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Sex-dependent differences in vulnerability to early risk factors for posttraumatic stress disorder: results from the AURORA study
- Stephanie Haering, Antonia V. Seligowski, Sarah D. Linnstaedt, Vasiliki Michopoulos, Stacey L. House, Francesca L. Beaudoin, Xinming An, Thomas C. Neylan, Gari D. Clifford, Laura T. Germine, Scott L. Rauch, John P. Haran, Alan B. Storrow, Christopher Lewandowski, Paul I. Musey, Jr., Phyllis L. Hendry, Sophia Sheikh, Christopher W. Jones, Brittany E. Punches, Robert A. Swor, Nina T. Gentile, Lauren A. Hudak, Jose L. Pascual, Mark J. Seamon, Claire Pearson, David A. Peak, Roland C. Merchant, Robert M. Domeier, Niels K. Rathlev, Brian J. O'Neil, Leon D. Sanchez, Steven E. Bruce, Steven E. Harte, Samuel A. McLean, Ronald C. Kessler, Karestan C. Koenen, Jennifer S. Stevens, Abigail Powers
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- Psychological Medicine , First View
- Published online by Cambridge University Press:
- 22 May 2024, pp. 1-11
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Background
Knowledge of sex differences in risk factors for posttraumatic stress disorder (PTSD) can contribute to the development of refined preventive interventions. Therefore, the aim of this study was to examine if women and men differ in their vulnerability to risk factors for PTSD.
MethodsAs part of the longitudinal AURORA study, 2924 patients seeking emergency department (ED) treatment in the acute aftermath of trauma provided self-report assessments of pre- peri- and post-traumatic risk factors, as well as 3-month PTSD severity. We systematically examined sex-dependent effects of 16 risk factors that have previously been hypothesized to show different associations with PTSD severity in women and men.
ResultsWomen reported higher PTSD severity at 3-months post-trauma. Z-score comparisons indicated that for five of the 16 examined risk factors the association with 3-month PTSD severity was stronger in men than in women. In multivariable models, interaction effects with sex were observed for pre-traumatic anxiety symptoms, and acute dissociative symptoms; both showed stronger associations with PTSD in men than in women. Subgroup analyses suggested trauma type-conditional effects.
ConclusionsOur findings indicate mechanisms to which men might be particularly vulnerable, demonstrating that known PTSD risk factors might behave differently in women and men. Analyses did not identify any risk factors to which women were more vulnerable than men, pointing toward further mechanisms to explain women's higher PTSD risk. Our study illustrates the need for a more systematic examination of sex differences in contributors to PTSD severity after trauma, which may inform refined preventive interventions.
316 Machine Learning to Predict Fluid Responsiveness in Hypotensive Children
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- Sarah B. Walker, Kyle S. Honegger, Michael S. Carroll, Debra E. Weese-Mayer, L. Nelson Sanchez-Pinto
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- Journal:
- Journal of Clinical and Translational Science / Volume 8 / Issue s1 / April 2024
- Published online by Cambridge University Press:
- 03 April 2024, p. 97
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OBJECTIVES/GOALS: Fluid boluses are administered to hypotensive, critically ill children but may not reverse hypotension, leading to delay of vasoactive infusion, end-organ damage, and mortality. We hypothesize that a machine learning-based model will predict which children will have sustained response to fluid bolus. METHODS/STUDY POPULATION: We will conduct a single-center retrospective observational cohort study of hypotensive critically ill children who received intravenous isotonic fluid of at least 10 ml/kg within 72 hours of pediatric intensive care unit admission between 2013 and 2023. We will extract physiologic variables from stored bedside monitors data and clinical variables from the EHR. Fluid responsive (FR) will be defined as a MAP increase by 310%. We will construct elastic net, random forest, and a long short-term memory models to predict FR. We will compare complicated course (multiple organ dysfunction on day 7 or death by day 28) between: 1) FRs and non-FRs, 2) predicted FRs and non-FRs, 3), FRs and non-FRs stratified by race/ethnicity, and 4) FRs and non-FRs stratified by sex as a biologic variable. RESULTS/ANTICIPATED RESULTS: We anticipate approximately 800 critically ill children will receive 2,000 intravenous isotonic fluid boluses, with a 60% rate of FR. We anticipate being able to complete all three models. We hypothesize that the model with the best performance will be the long short-term memory model and the easiest to interpret will be the tree-based random forest model. We hypothesize non-FRs will have a higher complicated course than FRs and that predicted non-FRs will have a higher rate of complicated course than FRs. Based on previous adult studies, we hypothesize that there will be a higher rate of complicated course in patients of black race and/or Hispanic ethnicity when compared to non-Hispanic white patients. We also hypothesize that there will be no difference in complicated course when comparing sex as a biologic variable. DISCUSSION/SIGNIFICANCE: We have a critical need for easily-deployed, real-time prediction of fluid response to personalize and improve resuscitation for children in shock. We anticipate the clinical application of such a model will decrease time with hypotension for critically ill children, leading to decreased morbidity and mortality.
Relationships between functional alpha and beta diversities of flea parasites and their small mammalian hosts
- Boris R. Krasnov, Irina S. Khokhlova, M. Fernanda López Berrizbeitia, Sonja Matthee, Juliana P. Sanchez, Georgy I. Shenbrot, Luther van der Mescht
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- Journal:
- Parasitology / Volume 151 / Issue 4 / April 2024
- Published online by Cambridge University Press:
- 04 March 2024, pp. 449-460
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We studied the relationships between functional alpha and beta diversities of fleas and their small mammalian hosts in 4 biogeographic realms (the Afrotropics, the Nearctic, the Neotropics and the Palearctic), considering 3 components of alpha diversity (functional richness, divergence and regularity). We asked whether (a) flea alpha and beta diversities are driven by host alpha and beta diversities; (b) the variation in the off-host environment affects variation in flea alpha and beta diversities; and (c) the pattern of the relationship between flea and host alpha or beta diversities differs between geographic realms. We analysed alpha diversity using modified phylogenetic generalized least squares and beta diversity using modified phylogenetic generalized dissimilarity modelling. In all realms, flea functional richness and regularity increased with an increase in host functional richness and regularity, respectively, whereas flea functional divergence correlated positively with host functional divergence in the Nearctic only. Environmental effects on the components of flea alpha diversity were found only in the Holarctic realms. Host functional beta diversity was invariantly the best predictor of flea functional beta diversity in all realms, whereas the effects of environmental variables on flea functional beta diversity were much weaker and differed between realms. We conclude that flea functional diversity is mostly driven by host functional diversity, whereas the environmental effects on flea functional diversity vary (a) geographically and (b) between components of functional alpha diversity.
EMU/GAMA: A technique for detecting active galactic nuclei in low mass systems
- Jahang Prathap, Andrew M. Hopkins, Aaron S.G. Robotham, Sabine Bellstedt, José Afonso, Ummee T. Ahmed, Maciej Bilicki, Malcolm N. Bremer, Sarah Brough, Michael J.I. Brown, Yjan Gordon, Benne W. Holwerda, Denis Leahy, Ángel R. López-Sánchez, Joshua R. Marvil, Tamal Mukherjee, Isabella Prandoni, Stanislav S. Shabala, Tessa Vernstrom, Tayyaba Zafar
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- Journal:
- Publications of the Astronomical Society of Australia / Volume 41 / 2024
- Published online by Cambridge University Press:
- 21 February 2024, e016
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We propose a new method for identifying active galactic nuclei (AGN) in low mass ($\mathrm{M}_*\leq10^{10}\mathrm{M}_\odot$) galaxies. This method relies on spectral energy distribution (SED) fitting to identify galaxies whose radio flux density has an excess over that expected from star formation alone. Combining data in the Galaxy and Mass Assembly (GAMA) G23 region from GAMA, Evolutionary Map of the Universe (EMU) early science observations, and Wide-field Infrared Survey Explorer (WISE), we compare this technique with a selection of different AGN diagnostics to explore the similarities and differences in AGN classification. We find that diagnostics based on optical and near-infrared criteria (the standard BPT diagram, the WISE colour criterion, and the mass-excitation, or MEx diagram) tend to favour detection of AGN in high mass, high luminosity systems, while the “ProSpect” SED fitting tool can identify AGN efficiently in low mass systems. We investigate an explanation for this result in the context of proportionally lower mass black holes in lower mass galaxies compared to higher mass galaxies and differing proportions of emission from AGN and star formation dominating the light at optical and infrared wavelengths as a function of galaxy stellar mass. We conclude that SED-derived AGN classification is an efficient approach to identify low mass hosts with low radio luminosity AGN.
Somatic multicomorbidity and disability in patients with psychiatric disorders in comparison to the general population: a quasi-epidemiological investigation in 54,826 subjects from 40 countries (COMET-G study)
- Konstantinos N. Fountoulakis, Grigorios N. Karakatsoulis, Seri Abraham, Kristina Adorjan, Helal Uddin Ahmed, Renato D. Alarcón, Kiyomi Arai, Sani Salihu Auwal, Michael Berk, Sarah Bjedov, Julio Bobes, Teresa Bobes-Bascaran, Julie Bourgin-Duchesnay, Cristina Ana Bredicean, Laurynas Bukelskis, Akaki Burkadze, Indira Indiana Cabrera Abud, Ruby Castilla-Puentes, Marcelo Cetkovich, Hector Colon-Rivera, Ricardo Corral, Carla Cortez-Vergara, Piirika Crepin, Domenico De Berardis, Sergio Zamora Delgado, David De Lucena, Avinash De Sousa, Ramona Di Stefano, Seetal Dodd, Livia Priyanka Elek, Anna Elissa, Berta Erdelyi-Hamza, Gamze Erzin, Martin J. Etchevers, Peter Falkai, Adriana Farcas, Ilya Fedotov, Viktoriia Filatova, Nikolaos K. Fountoulakis, Iryna Frankova, Francesco Franza, Pedro Frias, Tatiana Galako, Cristian J. Garay, Leticia Garcia-Álvarez, Maria Paz García-Portilla, Xenia Gonda, Tomasz M. Gondek, Daniela Morera González, Hilary Gould, Paolo Grandinetti, Arturo Grau, Violeta Groudeva, Michal Hagin, Takayuki Harada, Tasdik M. Hasan, Nurul Azreen Hashim, Jan Hilbig, Sahadat Hossain, Rossitza Iakimova, Mona Ibrahim, Felicia Iftene, Yulia Ignatenko, Matias Irarrazaval, Zaliha Ismail, Jamila Ismayilova, Asaf Jakobs, Miro Jakovljević, Nenad Jakšić, Afzal Javed, Helin Yilmaz Kafali, Sagar Karia, Olga Kazakova, Doaa Khalifa, Olena Khaustova, Steve Koh, Svetlana Kopishinskaia, Korneliia Kosenko, Sotirios A. Koupidis, Illes Kovacs, Barbara Kulig, Alisha Lalljee, Justine Liewig, Abdul Majid, Evgeniia Malashonkova, Khamelia Malik, Najma Iqbal Malik, Gulay Mammadzada, Bilvesh Mandalia, Donatella Marazziti, Darko Marčinko, Stephanie Martinez, Eimantas Matiekus, Gabriela Mejia, Roha Saeed Memon, Xarah Elenne Meza Martínez, Dalia Mickevičiūtė, Roumen Milev, Muftau Mohammed, Alejandro Molina-López, Petr Morozov, Nuru Suleiman Muhammad, Filip Mustač, Mika S. Naor, Amira Nassieb, Alvydas Navickas, Tarek Okasha, Milena Pandova, Anca-Livia Panfil, Liliya Panteleeva, Ion Papava, Mikaella E. Patsali, Alexey Pavlichenko, Bojana Pejuskovic, Mariana Pinto Da Costa, Mikhail Popkov, Dina Popovic, Nor Jannah Nasution Raduan, Francisca Vargas Ramírez, Elmars Rancans, Salmi Razali, Federico Rebok, Anna Rewekant, Elena Ninoska Reyes Flores, María Teresa Rivera-Encinas, Pilar Saiz, Manuel Sánchez de Carmona, David Saucedo Martínez, Jo Anne Saw, Görkem Saygili, Patricia Schneidereit, Bhumika Shah, Tomohiro Shirasaka, Ketevan Silagadze, Satti Sitanggang, Oleg Skugarevsky, Anna Spikina, Sridevi Sira Mahalingappa, Maria Stoyanova, Anna Szczegielniak, Simona Claudia Tamasan, Giuseppe Tavormina, Maurilio Giuseppe Maria Tavormina, Pavlos N. Theodorakis, Mauricio Tohen, Eva Maria Tsapakis, Dina Tukhvatullina, Irfan Ullah, Ratnaraj Vaidya, Johann M. Vega-Dienstmaier, Jelena Vrublevska, Olivera Vukovic, Olga Vysotska, Natalia Widiasih, Anna Yashikhina, Panagiotis E. Prezerakos, Daria Smirnova
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- Journal:
- CNS Spectrums / Volume 29 / Issue 2 / April 2024
- Published online by Cambridge University Press:
- 25 January 2024, pp. 126-149
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Background
The prevalence of medical illnesses is high among patients with psychiatric disorders. The current study aimed to investigate multi-comorbidity in patients with psychiatric disorders in comparison to the general population. Secondary aims were to investigate factors associated with metabolic syndrome and treatment appropriateness of mental disorders.
MethodsThe sample included 54,826 subjects (64.73% females; 34.15% males; 1.11% nonbinary gender) from 40 countries (COMET-G study). The analysis was based on the registration of previous history that could serve as a fair approximation for the lifetime prevalence of various medical conditions.
ResultsAbout 24.5% reported a history of somatic and 26.14% of mental disorders. Mental disorders were by far the most prevalent group of medical conditions. Comorbidity of any somatic with any mental disorder was reported by 8.21%. One-third to almost two-thirds of somatic patients were also suffering from a mental disorder depending on the severity and multicomorbidity. Bipolar and psychotic patients and to a lesser extent depressives, manifested an earlier (15–20 years) manifestation of somatic multicomorbidity, severe disability, and probably earlier death. The overwhelming majority of patients with mental disorders were not receiving treatment or were being treated in a way that was not recommended. Antipsychotics and antidepressants were not related to the development of metabolic syndrome.
ConclusionsThe finding that one-third to almost two-thirds of somatic patients also suffered from a mental disorder strongly suggests that psychiatry is the field with the most trans-specialty and interdisciplinary value and application points to the importance of teaching psychiatry and mental health in medical schools and also to the need for more technocratically oriented training of psychiatric residents.
EMU/GAMA: Radio-detected galaxies are more obscured than optically selected galaxies
- U. T. Ahmed, A. M. Hopkins, J. Ware, Y. A. Gordon, M. Bilicki, M. J. I. Brown, M. Cluver, G. Gürkan, Á. R. López-Sánchez, D. A. Leahy, L. Marchetti, S. Phillipps, I. Prandoni, N. Seymour, E. N. Taylor, E. Vardoulaki
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- Journal:
- Publications of the Astronomical Society of Australia / Volume 41 / 2024
- Published online by Cambridge University Press:
- 17 January 2024, e021
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We demonstrate the importance of radio selection in probing heavily obscured galaxy populations. We combine Evolutionary Map of the Universe (EMU) Early Science data in the Galaxy and Mass Assembly (GAMA) G23 field with the GAMA data, providing optical photometry and spectral line measurements, together with Wide-field Infrared Survey Explorer (WISE) infrared (IR) photometry, providing IR luminosities and colours. We investigate the degree of obscuration in star-forming galaxies, based on the Balmer decrement (BD), and explore how this trend varies, over a redshift range of $0<z<0.345$. We demonstrate that the radio-detected population has on average higher levels of obscuration than the parent optical sample, arising through missing the lowest BD and lowest mass galaxies, which are also the lower star formation rate (SFR) and metallicity systems. We discuss possible explanations for this result, including speculation around whether it might arise from steeper stellar initial mass functions in low mass, low SFR galaxies.
Circular agriculture practices enhance phosphorus recovery for large-scale commercial farms under tropical conditions
- S. G. Moreira, G. Hoogenboom, M. R. Nunes, P. A. Sanchez
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- The Journal of Agricultural Science / Volume 161 / Issue 6 / December 2023
- Published online by Cambridge University Press:
- 08 January 2024, pp. 763-777
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The objective of this research was to assess the adoption of circular agricultural practices as a tool to improve the recovery use efficiency of phosphorus (P) applied to tropical soils. Two Brazilian farms (1 and 2) that are under long-term no-till and cropped year-round with cover and/or cash crops were used in this study. Soybean, maize and common bean were grown during the summer season (October–February), followed by wheat, common bean and maize during the winter season (February–August). Brachiaria ruziziensis was intercropped with off-season maize. Farm 1 also grew sweet potatoes in rotation with grains. In the integrated crop–livestock system, the leftovers from the silos and crop residues were used to feed beef cattle, while the residues not used in the confinement were turned into compost and applied in the production fields. During the last 3 years, 80 (farm 1) and 71 (farm 2) kg/ha/year of P-fertilizer was applied to meet the demand of the different crops and 56% (farm 1) and 58% (farm 2) of P-fertilizer was exported through the crops and livestock. P-recovery represented more than 50% on both farms. Around 60% of the P consumed by animals was excreted in the form of faeces and urine and the animal manure was used to produce organic compost. Therefore, most of the P consumed by the livestock was returned back to the field to serve as organic fertilizer. This study showed that circular agricultural practices can enhance P-recovery.
Cost-effectiveness of social media advertising as a recruitment tool: A systematic review and meta-analysis
- Vladislav Tsaltskan, Roel Sanchez Baez, Gary S. Firestein
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- Journal:
- Journal of Clinical and Translational Science / Volume 7 / Issue 1 / 2023
- Published online by Cambridge University Press:
- 07 August 2023, e180
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Background:
Recruitment of study participants is challenging and can incur significant costs. Social media advertising is a promising method for recruiting clinical studies and may improve cost efficiency by targeting populations likely to match a study’s qualifications. Prior systematic reviews of social media as a recruitment tool have been favourable, however, there are no meta-analyses of its cost-effectiveness.
Methods:Studies evaluating recruitment costs through social media and non-social media methods were identified on MEDLINE and EMBASE. Articles were screened through a two-step process in accordance with PRISMA guidelines. Cost data were extracted from selected articles and meta-analyzed using the Mantel-Haenszel method. The primary outcome was the relative cost-effectiveness of social media compared to non-social media recruitment, defined as the odds ratio of recruiting a participant per US dollar spent. The secondary outcome was the cost-effectiveness of social media recruitment compared to other online recruitment methods only.
Results:In total, 23 studies were included in the meta-analysis. The odds ratio of recruiting a participant through social media advertising compared to non-social media methods per dollar spent was 1.97 [95% CI 1.24–3.00, P = 0.004]. The odds ratio of recruiting a participant through social media compared to other online methods only was 1.66 [95% CI 1.02–2.72, P = 0.04].
Conclusions:Social media advertising may be more cost-effective than other methods of recruitment, however, the magnitude of cost-effectiveness is highly variable between studies. There are limited data on newer social media platforms and on difficult-to-reach populations such as non-English speakers or older individuals.
Predictors of transition from paliperidone palmitate 1 and 3 months (PP1M & PPP3M) to paliperidone palmitate 6 months (PP6M)
- P. J. Escobedo-Aedo, J. Merayo-Cano, S. Sánchez Alonso, S. Ovejero, L. Muñoz Lorenzo, L. Mata Iturralde
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S438
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Introduction
Schizophrenia is a severe, chronic, mental disease. Its stability relies upon a multidisciplinary treatment, where pharmacological treatment is a key aspect. Long-acting injectable antipsychotics (LAIs) have proved efficacy in improving adherence, reducing hospitalizations and relapses, compared with oral treatment[1,2]. Paliperidone palmitate is a long-acting antipsychotic, approved by FDA in 2009 for acute and chronic treatment in schizophrenia. To date, long evidence exists regarding treatment efficacy of paliperidone palmitate 1 month (PP1M) and paliperidone palmitate 3 month (PP3M)[3]. In September 2021 a new long-acting medication was approved for schizophrenia treatment, that is, paliperidone palmitate 6 months (PP6M). This is the first LAI with 6 months duration of treatment, which means, only 2 administrations per year.
We here analyzed the factors explaining transitioning from PP1M and PP3M to PP6M treatment in a population previously described somewhere else[4].
ObjectivesTo identify the variables explaining the transition from other long-acting formulations (PP1M and PP3M) to the new biannual formulation (PP6M) in our clinical practice.
Methods123 patients, previously diagnosed with psychotic disorders, in follow-up in our clinical center Fundación Jiménez Díaz Hospital, was analyzed. Sociodemographic factors and clinical evolution were compared in order to identify factors predicting transitioning from PP1M and PP3M to PP6M.
ResultsIn the PP1M group, patients transitioning to PP6M had more than 6 years of evolution of disease ans active consummation of drugs, compared with patients who stayed on PP1M. Other sociodemographic were similar in both groups. Only 1 patient was readmitted in hospital since transition to PP6M and no emergency visits were accounted for people transitioned.
In the PP3M group, the majority of people transitioning to PP6M were under polypharmacy of which, 42% were on clozapine treatment. The percentage of people with schizophrenia diagnosis was significantly less than in the no transitioning group, though it remained the principal diagnosis. No other significant difference was found with regard to sociodemographic variables. Additionally, no emergency visits nor readmissions to hospital were accounted in this group.
Finally, the PP3M transitioned to PP6M significantly more than PP1M group. Although no clear variable explained this situation.
ConclusionsWith these results, we conclude that chronicity and drugs consummation were the main variables explaining transitioning from PP1M to PP6M. In the other hand, the main variable explaining transitioning from PP3M to PP6M was polypharmacy.
These results are preliminary and, therefore, should be taken cautiously. We will probably dilucidated future tendency in these treatment use in the upcoming months.
Disclosure of InterestNone Declared
A cross-sectional descriptive study to assess the impact of the “open door” policy on patient satisfaction
- M. Campillo, J. Marti, L. Rius, S. Garcia Fernandez, M. Olivero, G. Sanchez Tomico, G. Brusco-Passalaqua, E. Pechuan, T. Vates, R. Sanchez
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S910
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Introduction
Since the beginning of the modern psychiatry the acute units have established a “locked door” policy. Some studies show that this condition may increase patient’s discomfort and affect the perception of health quality of care (Boyer L, 2009, Eur Psychiatry Dec;24(8):540-9). Lately, several European countries such as Germany, Switzerland and Spain are starting to implement the “open-door” policy but its impact on patient’s satisfaction is still unknown (Hochstrasser, L, Frontiers in Psychiatry, 9(57). https://doi.org/10.3389/fpsyt.2018.00057) .
ObjectivesTo help characterize the advantages of the “open-door” policy implemented in an acute inpatient psychiatric unit in order to assess the patient’s view of it.
MethodsThis is a descriptive observational study carried out at an inpatient psychiatric unit. Data were collected after the implementation of the open door policy on June 2019, assessing the patient satisfaction of 31 subjects who completed the SATISPSY-22 scale at the time of discharge. Results are described using the average and its standard deviation.
ResultsResults show scores in all items above 50 points, being the care team and the quality of care the most valued ones with 82 and 79 points respectively. The overall score is above 65 points (Fig. 1).
Image:
ConclusionsIn line with previous studies, our data suggests that the main impact of the “open-door” policy implementation is on patients’ perception of the care, being Quality of care and satisfaction with the Staff the items with highest scores. This could be explained by patients trusting more in the Care team, which would help enhance the therapeutic relationship improving therapeutic adherence, treatment adequacy and the outcome. Nevertheless, the Feeling related to hospitalisation was found to be the item with the lowest score. This could mean strategies should focus on improving patient’s insight regarding their clinical state and their need to be admitted. Our study supports the hypothesis that open-door policy in acute psychiatric units is seen positively by patients and that further research should be carried.
Disclosure of InterestNone Declared
Differential diagnosis of late onset psychotic symptoms. A case report.
- J. Sánchez Rodríguez, S. Puyal González, M. Paz Otero, E. Lozano Bori, A. García Recio
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S1063
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Introduction
We present the case of a sixty-seven-year-old woman who is examined for the first time in the emergency room because of a nine-month clinical picture that involves psychotic symptoms. The patient exhibits persecutory delusions that started after she shared some private information on social media. These symptoms also entail emotional distress and behavioral disturbances. She has never experienced hallucinations, but she does present delusional interpretations of the environment. Her clinical history reveals abnormalities of premorbid personality, including paranoid and immature features.
Objectives(1) We will be carrying out a differential diagnosis of late onset psychotic symptoms. We will as well be exploring the concept of Paraphrenia and analyzing its differential features in order to stablish the most suitable diagnosis for the case.
(2) The relationship between abnormalities in premorbid personality and psychotic symptoms will be covered, reviewing the available literature on this matter, and relating it to the patient’s symptomatology.
MethodsA review of the patient’s clinical history will be carried out, considering her biography, the testimony of her family and the complementary tests performed during the hospitalization period.
A bibliographic review of the available scientific literature will also be developed involving disorders that could explain psychotic symptoms in the elderly, as well as the term Paraphrenia, which describes specific features in a psychotic episode but is not included in the diagnostic manuals.
Results(1) The symptomatology that our patient exhibits may be considered atypical given the late stage of its onset and its specific features.
(2) The case could be explained under the category of Delusional Disorder. From a psychopathological point or view, it could also fit under de diagnosis of Paraphrenia as described by Ravindran et al.
(3) Pathological personality traits were assessed in premorbid personality which included paranoid and immature features.
ConclusionsIt could be useful to review the concept of the “paranoid spectrum” as proposed by some authors regarding some patient’s psychotic symptoms that don’t exactly fit any of the nowadays diagnostic categories. “Paraphrenia” could be understood as a distinct clinical entity for patients who show psychotic disorders but keep affective warmth and lack though deterioration and grossly disorganized behavior.
Most patients with late life paranoid psychoses have abnormal premorbid personalities, most usually of schizoid or paranoid type. There’s a decent amount of consensus in viewing the premorbid personality as having been abnormal as an early marker of impending psychosis.
Reformulating the way we approach diagnosis of psychotic symptoms of late onset could help us identify vulnerable patients on a premorbid stage and better classify and understand atypical entities.
Disclosure of InterestNone Declared
Effect of aripiprazole once-monthly 400mg (AOM400) on hospitalisation prevention and use of healthcare resources in schizophrenia patients, a study based on real clinical practice on schizophrenia: AMBITION Study
- V. Sanchez-Gistau, M. J. Moreno, S. Gómez-Lus, A. Sicras Mainar, B. Crespo-Facorro
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S494
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Introduction
Schizophrenia is a large and increasing burden for patients from early stages of the disease. Long-acting injectable antipsychotics (LAIs), like aripiprazole once-monthly 400 mg (AOM400), have demonstrated an improvement in treatment adherence compared to oral formulations, with a consequent reduction in time to remission and risk of relapse.
ObjectivesThis study aims to compare the hospitalisation rate in individuals with schizophrenia who started their treatment with AOM400 or atypical oral antipsychotics (OA) in a real-world setting in Spain.
MethodsThis is an observational and retrospective study based on the electronic medical records of the BIG-PAC database. Adults diagnosed with schizophrenia who initiated treatment with AOM400 or atypical OA (olanzapine, risperidone, paliperidone, aripiprazole or asenapine) from 01/01/2017 to 31/12/2019 were included. A 1:1 propensity score matching (PSM) was conducted to match individuals from both cohorts. Healthcare resource use and treatment persistence (with AOM400 or OA) were also analysed after 12 months.
ResultsAfter the PSM, 1,017 individuals with similar baseline characteristics were included in each cohort (total population: 2,024 individuals). At index date (treatment initiation) patients were 41.4 years (standard deviation, SD: 10.6), 54.6% were male and had received 1.6 (SD: 0.9) previous antipsychotic treatments. During the follow-up period, the AOM400 cohort had a 40% lower risk of hospitalisation than the OA cohort (hazard ratio, HR: 0.60 [95% confidence interval, CI: 0.49 – 0.74]). The median time to the first hospitalisation was longer in individuals with AOM400 compared to those with OA (197 compared to 174 days; p<0.004), whereas median length of hospital stay were shorter (6 and 11 days for AOM400 and OA, respectively; p<0.001). The AOM400 cohort also required fewer visits to primary care, specialized care and emergency rooms than the OA cohort (p≤0.005). After 12 months, the AOM cohort was more persistent than the OA cohort (64.9% compared to 53.7%; p<0.001).
ConclusionsAOM400 reduces the number and duration of hospitalisations and improves treatment persistence compared to atypical OA. Our results suggest that the use of AOM400 may reduce the burden of schizophrenia in Spain.
Disclosure of InterestNone Declared
Smoking treatments for patients with mental illness: case presentation and a brief literature review
- F. Garcia Sanchez, M. Gutierrez Rodriguez, C. Moreno Menguiano, M. A. Corral Alonso, J. J. Vazquez Vazquez, S. M. Bañon Gonzalez, V. Voces Domingo, J. A. Casado de la Hera
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S756
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Introduction
Smoking prevalence in patients with mental illness ranges between two to 4 times higher than general population. This higher prevalence has a multifactorial origin, and some of the possible causes are still unknown.
They have a higher prevalence of tobacco-associated diseases and higher mortality.
Additionally, these patients have greater difficulty in treating and quitting smoking.
A relationship has been found between severity of mental illness and smoking. Risk of suicide seems to be higher in patients with higher tobacco consumption. Schizophrenia is the mental illness that has been most closely related to smoking, with a prevalence close to 90%.
ObjectivesThe aim of this work is reviewing the current bibliography referring to smoking treatments for patients with mental illness
MethodsA literature search using electronic manuscripts available in PubMed database published during the last ten years and further description and discussion of a single-patient clinical case
ResultsThe treatment of tobacco dependence in patients with mental illnesses is sometimes waited until there is psychiatric stability, which can take a long time in those cases with more severe mental disorders, which can have negative physical and psychiatric consequences.
The combined treatment of cognitive behavioral therapy and pharmacological treatment is the most effective approach. Nicotine replacement therapy can be useful, while combined use of antidepressants or anxiolytics is also recommended.
Bupropion has shown efficacy. In patients with schizophrenia it does not seem to worsen positive symptomatology, but improving the negative one. It should not be used in patients with bipolar disorder or bulimia.
Varenicline has shown efficacy in the general population, but limitations were established in patients with mental illness, although it is the drug that has shown greater efficacy. However, is not currently available in our country.
Cytisine is a drug with limited number of studies in the psychiatric population but it may be a reasonable treatment alternative.
ConclusionsThe prevalence of tobacco use in patients with mental illness is higher than the general population, especially in paranoid schizophrenia. The consequences on physical health and the evolution of psychiatric illness are very relevant. Based on above, a multidisciplinary and coordinated management involving psychiatrists and other specialists in the treatment of these patients should be desirable.
Disclosure of InterestNone Declared
Efficacy of paliperidone palmitate 3-month formulation in preventing hospital admissions and emergency room visits. 66 months of follow-up
- S. L. Romero Guillena, B. O. Plasencia Garcia de Diego, J. Gomez Gonzalez, F. Gotor Sánchez-Luengo
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S487
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Introduction
Paliperidone Palmitate 3-month formulation (PP3M) has shown a significantly longer time to relapse compared to placebo, with similar efficacy and safety to Paliperidone Palmitate 1-month (PP1M) (Carpiniello et al. Drug Des. Devel. Ther. 2016; 10 1731–1742).
ObjectivesThe main objective of this study was to determine the effectiveness of PP3M in preventing hospital admissions and emergency room visits, in people with non-acute schizophrenia in a naturalistic psychiatric outpatient setting
MethodsSample: 30 people with diagnosis of schizophrenia (DSM 5 criteria), who had started treatment with PP3M, after being stabilized with PP1M (the dose was not modified in the four months prior to inclusion in the study)
Quarterly basis, the following evaluations were performed during a follow-up period of 66 months:
The Clinical Global Impression-Schizophrenia scale (CGI-SCH)
Treatment adherence, concomitant medication and the number of hospitalizations and emergency visits
Efficacy values: Percentage of patients who remained free of admissions at the end of 66 months of follow-up.
Other evaluation criteria: Percentage of patients who never visited the emergency department at the end of 66 months of follow-up. Average change from baseline visit to the final evaluation as assessed by score obtained on the following scale: GSI-SCH, percentage of patients on antipsychotic monotherapy and treatment adherence rate.
ResultsThe mean dose of PP3M was 401. 55 mg
The percentage of patients who remained free of admissions at the end of the 66 months was 83.25% and the percentage of patients who never visited the emergency department at the end of 66 months was 79.92%
Mean variations from baseline scores at 66 months were: (-0.36 ±0-37) on the GCI-SCH.
The percentage of patients on antipsychotic monotherapy at the end of the 66 months was 76.56%
The rate of adherence was 86.58%
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ConclusionsIn our study, we found that paliperidone palmitate 3-month formulation was effective in reducing the number of admissions and visits to the emergency department, under conditions of daily clinical practice.
Disclosure of InterestNone Declared
Antiviral and Anti-Inflammatory Activities of Fluoxetine in a SARS-CoV-2 Infection Mouse Model
- D. Péricat, S. A. Leon-Icaza, M. Sánchez-Rico, C. Mühle, I. Zoicas, F. Schumacher, R. Planès, R. Mazars, G. Gros, A. Carpinteiro, K. A. Becker, J. Izopet, N. Strub-Wourgaft, P. Sjö, O. Neyrolles, B. Kleuser, F. Limosin, E. Gulbins, J. Kornhuber, E. Meunier, N. Hoertel, C. Cougoule
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, pp. S119-S120
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Introduction
The coronavirus disease 2019 (COVID-19) pandemic continues to cause significant morbidity and mortality worldwide. Since a large portion of the world’s population is currently unvaccinated or incompletely vaccinated and has limited access to approved treatments against COVID-19, there is an urgent need to continue research on treatment options, especially those at low cost and which are immediately available to patients, particularly in low- and middle-income countries. Prior in vitro and observational studies have shown that fluoxetine, possibly through its inhibitory effect on the acid sphingomyelinase/ceramide system, could be a promising antiviral and anti-inflammatory treatment against COVID-19.
ObjectivesThe aim of this sudy was to test the potential antiviral and anti-inflammatory activities of fluoxetine against SARS-CoV-2 in a K18-hACE2 mouse model of infection, and against several variants of concern in vitro, and test the hypothesis of the implication of ceramides and/or their derivatives hexosylceramides.
MethodsWe evaluated the potential antiviral and anti-inflammatory activities of fluoxetine in a K18-hACE2 mouse model of SARS-CoV-2 infection, and against variants of concern in vitro, i.e., SARS-CoV-2 ancestral strain, Alpha B.1.1.7, Gamma P1, Delta B1.617 and Omicron BA.5.
ResultsFluoxetine, administrated after SARS-CoV-2 infection, significantly reduced lung tissue viral titres (Figure 1) and expression of several inflammatory markers (i.e., IL-6, TNFα, CCL2 and CXCL10) (Figure 2). It also inhibited the replication of all variants of concern in vitro. A modulation of the ceramide system in the lung tissues, as reflected by the increase in the ratio HexCer 16:0/Cer 16:0 in fluoxetine-treated mice, may contribute to explain these effects (Figure 3).
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ConclusionsOur findings demonstrate the antiviral and anti-inflammatory properties of fluoxetine in a K18-hACE2 mouse model of SARS-CoV-2 infection, and its in vitro antiviral activity against variants of concern, establishing fluoxetine as a very promising candidate for the prevention and treatment of SARS-CoV-2 infection and disease pathogenesis.
Disclosure of InterestNone Declared
Mothers and fathers with schizophrenia: Treatment and quality of life
- S. Perez-Sanchez, I. Martin Herrero
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S1089
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Introduction
Schizophrenia is a chronic disease that deteriorates the functionality of patients, especially when raising a family and caring for children. We are interested in analyzing the characteristics of mothers and fathers diagnosed with schizophrenia and their degree of global activity when switching from oral treatments to injectable treatments.
Objectives1 To evaluate the quality of life and functional level of mothers with schizophrenia treated with quarterly paliperidone palmitate. 2. To compare the quality of life and functional level when switching from oral treatment to long-acting injectables.
MethodsParticipants were 3 mothers and 3 fathers, 33-40 years old, with a diagnosis of schizophrenia in monotherapy who changed treatment with monthly paliperidone palmitate to quarterly paliperidone palmitate LD IM (525 mg/every 12 weeks). Retrospective data collection. QLS quality of life scale.
ResultsSix patients were included, caregivers of 1 child (80%), 2 children (20%) who met the inclusion criteria and completed the questionnaires. After its application and correction by means of non-parametric tests (N<30). During oral treatment, scores are observed in the QLS questionnaire of: intrapsychic functions mean 34.2, interpersonal relationships mean 19, instrumental role mean 8, daily activities mean 8. After 12 months of treatment with intramuscular paliperidone palmitate (injectable every 12 weeks ) scores were obtained: intrapsychic functions mean 36, interpersonal relationships mean 23, instrumental role mean 15, daily activities mean 11. A better functioning of the patients was observed in the instrumental categories and daily activities. As well as the patients referred better adherence to treatment.
ConclusionsIn our experience, injectable long-acting Paliperidone Palmitate every 12 weeks is associated with the perception of a better quality of life in parents with schizophrenia and increases administration facilities as well as planning in their daily lives.
Disclosure of InterestNone Declared
Patient satisfaction in an “open-door” acute inpatient psychiatric unit
- M. Campillo, L. Rius, S. Garcia, M. Olivero, G. Sanchez Tomico, M. Martinez Garcia, I. Garcia Velasco, C. Monserrat, A. Pratdesava, R. Sanchez
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S903
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Introduction
Traditionally, psychiatric wards had established a “locked door” policy but secluded conditions may increase patient’s discomfort1 that could affect the perception of health quality of care2. Recently, the “open-door” policy is being adopted in several European countries but its impact on patient satisfaction remains unknown (Schreiber, LK. BMC Psychiatry. 2019 May 14;19(1):149). Since 2019 our psychiatric hospital has implemented the open-door policy.
ObjectivesThe aim of this study is to investigate the impact of the “open-door” policy on patient satisfaction during their stay in the acute inpatient unit of our psychiatric hospital.
MethodsThis is an observational study. Prior to the implementation of the open door policy 31 patient satisfaction data was collected between October 2018 to April 2019 and it was also assessed with 31 subjects between July to October 2019, after the implementation of the open “door-policy”. The inclusion criteria were being >18 years old, reading Spanish correctly and with a length of stay >72 hours. The patients with dementia disorder and intellectual disability where excluded from the study. We used the Satispsy-22-E scale, a self-administered questionnaire (Frías, V., et al. 2018. Psychiatry Res. Oct;268:8-14). It assesses patient’s experience of hospitalization through 22 items distributed into 6 dimensions. The score range is from 0 to 100. Differences in Satispsy-22-E scores were analysed by applying ANOVA using the IBM-SPSS (v. 25).
ResultsTotal scores in Satispsy-22 are provided in Figure 1. We found that patient satisfaction was increased in the dimensions of “personal experience” and “food” (p<0.05). No significant differences were found in staff, quality of care, information, activity dimensions and Total score (Table 2).
Dimension F-Test Statistic Value Staff 1.402 p=0.241 Quality of Care 841 p=0.362 Personal Experience 4.071 p=0.048* Information 656 p=0.420 Activity 434 p=0.512 Food 4.507 p=0.037* TOTAL 3.645 p=0.61 Image:
ConclusionsOur results provide preliminary evidence indicating that the open-door policy could have a positive impact on patient satisfaction, especially in relation to the personal experience on an acute inpatient psychiatric unit.
Disclosure of InterestNone Declared
Mindfulness, Attention, and Impulsivity in Bipolar Disorder
- N. E. Fares-Otero, B. Solé, S. Martin-Parra, F. Piazza, J. Sanchez-Moreno, E. Vieta, A. Martinez-Aran
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, pp. S84-S85
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Introduction
Bipolar disorder (BD) is a chronic mental disorder characterized by mood instability1. BD is further related to neurocognitive and functional disruptions that remain remarkably stable even when patients are euthymic, leading to poor well-being and quality of life. Mindfulness means paying attention on purpose, in the present moment, and involves different facets such as observing, describing, acting with awareness, non-judging and non-reacting of inner experience. It remains unclear whether mindfulness and its specific facets are differentially associated with different aspects of attention and trait impulsivity in individuals with BD.
ObjectivesTo examine associations between different mindfulness facets, and different aspects of attention and trait impulsivity in BD.
MethodsThis study was approved by the Hospital Clínic Ethics and Research Board (HCB/2017/0432). After informed consent, 94 outpatients, M age = 45.57, SD = 9.8, range 19-61 years, 41.5% Male, 63.8% BD-I according to DSM-5 criteria, in partial or total remission based on Young Mania Rating Scale (YMRS; M = 1.81, SD = 2.11) and Hamilton Depression Rating Scale (HDRS; M = 5.46, SD = 3.71) were enrolled in this study. Participants were evaluated using the Five Facet Mindfulness Questionnaire (FFMQ) to assess Mindfulness, the Trail Making Test (TMT-A) and the Conner’s Continuous Performance test (CPT-II) to assess Attention, and the Barratt Impulsiveness Scale (BIS-11) to assess Impulsivity. Pearson correlations were performed, and statistical significance was evaluated two-sided at the 5% threshold.
ResultsMindfulness-Describing was negatively associated with Cognitive and Non-Planning Impulsivity (r = -.43 and -.28, p < .001), Mindfulness-Acting with Awareness was negatively associated with Cognitive, Motor and Non-Planning Impulsivity (r = -.27 to -.45, p < .001), Mindfulness Non-Judging (r = -.33 and -.34, p < .001) and Non-Reacting (r = -.30 and -.46, p < .001) of inner experience were negatively associated with Cognitive and Motor Impulsivity. No associations were found between neither Mindfulness nor Impulsivity with any aspects of Attention.
ConclusionsPreliminary findings suggest that better performance in specific facets of mindfulness (describing, acting with awareness, non-judging or reacting of inner experience) may be related to a decrease in different aspects of trait impulsivity. Further longitudinal and interventional research is needed on underlying mechanisms. Nonetheless, our study suggests the need for including mindfulness-based approaches to improve behavioral and functional outcomes for those with BD.
FundingThis work was supported by the European Union Horizon 2020 research and innovation program (EU.3.1.3. Treating and managing disease: Grant 945151), CIBERSAM, FIS PI17/00941 ISCIII, European Regional Development Fund.
References1. Carvalho AF, Firth J, Vieta E. Bipolar Disorder. N Engl J Med. 2020;383(1):58-66. doi:10.1056/NEJMra1906193
Disclosure of InterestNone Declared
Resistant depression. Clinical manifestations and diagnosis. Purposely a case
- S. M. Bañón González, N. Ogando Portilla, O. Sobrino cabra, B. Gamo Bravo, F. García Sánchez
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S844
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Introduction
The term “depression” can be used in different senses: it can be a syndrome, a mood state, a mental disorder, and all of them are distinct clinical conditions…There are no pathognomonic features of bipolar/unipolar depression. A good medical history is the most important component of the evaluation. We have to use clinical variables and differential epidemiology for a correct diagnosis.
ObjectivesThey both analyze clinical, psychopathological and epidemiological characteristics of resistant depression and they review causes, incidence, prevalence, diagnostic, therapeutic tools and the importance of maintaining the treatment, because the abandonment of the treatment is a good predictor of possible relapses.
MethodsA literature Review of the last five years concerning resistant depression has been done: prevalence, incidence, pathogenesis and its relationship with other psychiatric disorders encoded in DSM-V.
ResultsUnipolar major depression (major depressive disorder) is characterized by a history of one or more major depressive episodes and no previous history of mania or hypomania symptoms. A major depressive episode is presented with five or more of the following nine symptoms for at least two consecutive weeks; at least one of them must be either a depressed mood or a loss of interest or pleasure. In addition, the symptoms must cause significant distress or psychosocial impairment, and not be a direct result of a substance or general medical condition.
ConclusionsSymptoms of unipolar depression in adults can overlap with symptoms of other psychiatric and general medical disorders. Unipolar depression needs to be distinguished from these other disorders to prevent inappropriate treatment.
Disclosure of InterestNone Declared
Sociodemographic and clinical characteristics of the population with a first psychotic episode attended in the mental health services of area 5 of Madrid (Spain)
- J. Garde González, P. Herrero Ortega, A. Oliva Lozano, I. I. Louzao Rojas, M. P. Vidal-Villegas, A. Muñoz-Sanjosé, M. P. Sánchez-Castro, G. Lahera, S. Sánchez Quílez, M. F. Bravo-Ortiz, O. B. O. A.-M. Group
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S443
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Introduction
Risk of functional impairment and progression to chronic illness in people with a first episode of psychosis (FEP) has motivated early intervention programs, showing promising results. Defining the characteristics of people with FEP at local level enables the clinicians to adjust interventional models to the reality of the population. The area 5 of Madrid (Spain) is referred to La Paz University Hospital and it serves a catchment area of roughly 527,000 people.
ObjectivesWe aim to identify sociodemographic and clinical characteristics of patients in the area 5 of Madrid (Spain) who meet the criteria of FEP.
MethodsA descriptive retrospective study including 179 people (age range 18-40 years) who were attended in mental health services of La Paz University Hospital (area 5 of Madrid, Spain), between January 2019 and May 2020, having suffered a psychotic episode in the last five years.
ResultsThe average age of people with FEP was 29.32 years, with a higher proportion of men (62%). The mean duration of untreated psychosis (DUP) was 3.64 months and 47% of patients consume cannabis. We found disparities in DUP among the different districts in the area and we also observed differences depending on the district for inclusion in rehabilitation programs or psychotherapy. The following averages were obtained for the aggregate sample: 1.01 hospitalization/year, 1.42 emergency room visits/year, 1.81 years of illness and a mean dosage equivalent to olanzapine 6.75 mg/day. The incidence of psychosis in our area has been 7.01 cases per 100000 inhabitants/year.
ConclusionsThe incidence of psychosis has been as expected according to data recorded at previous studies in Spain. The results obtained in our sample have included a lower DUP and a higher use of cannabis than those described in the literature. We have also found differences when observing the inclusion of patients in different treatments (psychotherapy, rehabilitation), which may be related to the differences in the DUP by districts. Further exploration in this field is needed to draw causal conclusions.
Disclosure of InterestNone Declared