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Gut permeability and low-grade inflammation in bipolar disorder
- M. Couce, G. Paniagua, L. González-Blanco, A. García-Fernández, C. Martínez-Cao, P. Sáiz, J. Bobes, M. P. García-Portilla
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, pp. S385-S386
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Introduction
Systemic inflammation has been increasingly related to bipolar disorder -BD- (Tanaka et al. Neurosci Res 2017;115 59-63). Intestinal bacterial translocation has been postulated as one of the causes of this inflammation (Nguyen et al. J Psychiatr Res 2018;99 50-61). A possible pathway is through the lipopolysaccharide, which is presented to CD14 through lipopolysaccharide binding protein (LBP) leading to a release of systemic inflammatory markers like C-reactive protein (CPR) (Funda et al. Infect Immun 2001;69 3772-81).
Objectives1) Describe gut permeability in patients with BD through the determination of intestinal inflammatory markers (LBP, sCD14) in plasma; 2) Analyze variables associated with intestinal inflammation.
MethodsCross-sectional study of 38 patients with BD [mean age=45.50 (SD=10.93; range 23-68); males=15 (39.5%)], recruited from mental health outpatient clinics in Oviedo (Spain).
Assessment: Pro-inflammation biomarkers [CRP (mg/dL), Erythrocyte Sedimentation Rate (ESR) (mm/h), Neutrophil/Lymphocyte, Monocyte/Lymphocyte, Platelet/Lymphocyte and Systemic Immune Inflammation Indexes]. Indirect markers of intestinal bacterial translocation [LBP, soluble CD14 (sCD14)]. Dichotomous variables were created for LBP, considering LBP ≥15 μg/dL as increased gut permeability; and for CPR, considering CRP≥0.3 as systemic inflammation. Metabolic syndrome [ATPIII criteria: glucose, HDL, triglycerides (mg/dl), arterial pressure (mmHg), abdominal circumference (cm)], body mass index (BMI) (kg/m2), smoking, cannabis or alcohol use.
Statistical analyses: t-Student test, multiple linear regression analyses.
ResultsAverage LBP was 14.60 μg/dL (SD=6.4) and 15 patients (39.5%) had increased gut permeability. Moreover, average CPR was 0.40 mg/dL (SD=0.58) and 16 patients (47.1%) showed systemic inflammation. There were no patients with increased levels of sCD14.
Associations were found between LBP and CPR (r=0.357; p=0.032), cannabis use in the last month (t=-2.293; p=0.029), BMI (r=0.433; p=0.008) and abdominal obesity (t=3.006; p=0.005); but no with age or sex.
Subsequently, a multiple linear regression model for LBP was calculated with variables previously mentioned, and age (based on expert criteria). The overall regression was statistically significant (R2=0.49, F=9.273, p<0.001). It was found that CPR, abdominal obesity, and cannabis use in the last month significantly predicted LBP levels (table 1).
Table 1. Multiple linear regression analyses to LBP B SE β t p CPR 4.842 1.529 0.439 3.167 0.004 Abdominal obesity 4.810 1.849 0.362 2.601 0.014 Cannabis use -5.048 2.273 -0.296 -2.221 0.034 ConclusionsMore than one third of patients with BD had increased gut permeability. Almost 50% had systemic inflammation. Intestinal permeability was directly related to abdominal obesity and systemic inflammation, but inversely related to cannabis use.
Disclosure of InterestNone Declared
Syndrome of inappropiate antidiuretic hormone secretion (SIADH) secondary to sertraline: case report and literature review
- C. Cardenes-Moreno, S. Yelmo-Cruz, I. Perez-Sagaseta, J. J. Tascon-Cervera, J. Dorta-Gonzalez, A. Crisostomo-Siverio, L. Torres-Tejera, M. Paniagua-Gonzalez, S. Canessa, M. R. Cejas-Mendez
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S556
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Introduction
Currently, in addition to their frequent use in community medicine, the use of antidepressants is a fundamental pillar of pharmacological treatments used in psychiatry. Due to this frequent use, we must be aware of the possible side effects, in particular the SIADH produced in this clinical case by SSRIs. There are already described cases of this association including other antidepressants and many different types of drugs.
ObjectivesTo review the current literature on the management of this pathology when it is secondary to the use of frequently used drugs such as SSRIs.
MethodsWe report the case of a 64-year-old woman hospitalised in the psychiatric department for malnutrition secondary to unspecified eating disorder (ED). During admission, treatment with sertraline was started with ascending doses up to 100mg, subsequently producing slight edema with the following analytical results: plasma Na: 123 mEq/L (135-145), plasma osmolarity: 250 mOsm/kg (275-300), urinary Na: 174 mEq/L (>40), fulfilling diagnostic criteria for SIADH.
Afterwards, we reduced sertraline until discontinuation and started treatment with water restriction and urea (30 grams/24 hours) during admission and after discharge. During admission, we observed disappearance of the edema and partial improvement of the analytical values (Na:131 mEq/L), which were normalised with home treatment of daily urea.
ResultsThe precise prevalence of SIADH from the use of SSRIs is unknown, it is known that patients older than 65 are at higher risk of developing severe hyponatraemia in the first 5 weeks after initiation. Similarly, treatment with water and urea restriction, together with discontinuation of SSRIs, appears to be sufficient.
ConclusionsSSRIs can cause SIADH a reversible but potentially life-threatening pathology, and we need to be aware of this possibility especially in the older population and being able to handle it
Disclosure of InterestNone Declared
Fahr’s Disease: a case report of a patient with neuropsychiatric symptoms
- I. Perez-Sagaseta, S. Yelmo-Cruz, C. Cardenes-Moreno, L. Torres-Tejera, A. Crisostomo-Siverio, J. Dorta-Gonzalez, J. J. Tascon-Cervera, M. Paniagua-Gonzalez, S. Canessa, M. R. Cejas-Mendez
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, pp. S769-S770
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Introduction
Fahr’s disease (FD) is a rare disorder consisting of bilateral and symmetrical calcium deposits in basal ganglia and cerebral cortex. These lesions are associated with neurological and psychiatric symptoms such as a rigid hypokinetic syndrome, mood disorders and memory and concentration abnormalities. It can be idiopathic or secondary to endocrine disorders, infectious diseases or mitochondrial myopathies.
ObjectivesTo highlight the importance of considering organic causes when evaluating patients presenting atypical psychiatric symptoms and claim the role of neuroimaging.
MethodsCase report and non-systematic review of literature: sources obtained from Pubmed database.
ResultsA 69-year-old man, native of Syracuse (Italy), was admitted to the Psychiatry Unit in February 2022 presenting behavioural disturbances and irritability. In July 2021 he presented the same symptoms, being mistakenly diagnosed with Bipolar Disease type I. He has no previous psychiatric history. He started with changes in his personality, short-term memory loss, aggressiveness and disorganized behaviour at the age of 66. At admission he was talkative and hyperfamiliar, presenting delusions of grandiosity, exalted affectivity and insomnia. Neurological examination showed short-term memory problems, signs of frontal disinhibition and abnormal glabellar tap sign. Blood tests, CT brain and MRI were performed to rule out organic underlying causes. Neuro-imaging found bilateral and symmetric calcifications in globus pallidus, thalamus and corpus striatum, in favour of FD. Secondary causes (abnormalities in the PTH, vitamin disorders and infectious diseases such as HIV, brucellosis or neurosyphilis) where discarded, allowing us to conclude it was probably a primary case of FD. Valproate was started as a mood stabilizer and anticonvulsant. Genetic tests were indicated.
ConclusionsFD should be considered as a differential diagnosis in the evaluation of psychiatric symptoms, especially when atypical and/or presented with neurological symptoms. The role of neuro-imaging is essential.
Disclosure of InterestNone Declared
Anorexia nervosa and Wernicke-Korsakoff syndrome: case report an literature review
- S. Yelmo-Cruz, J. J. Tascon-Cervera, I. Perez-Sagaseta, C. Cardenes-Moreno, L. Torres-Tejera, A. Crisostomo-Siverio, E. Diaz-Mesa, J. Dorta-Gonzalez, M. Paniagua-Gonzalez, S. Canessa, A. L. Morera-Fumero, M. R. Cejas-Mendez
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- Journal:
- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S424
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Introduction
Wenicke-Korsakoff syndrome (WKS) is a neurological disorder caused by thiamine deficiency. Wernicke Encephalopathy (WE) is the acute phase and the chronic phase is called Korsakoff-syndrome (KS).
ObjectivesTo review the current literature on the management of WKS in a patient with anorexia nervosa.
MethodsWe report the case of a 63-year-old woman admitted to the Psychiatry Unit after weight loss in the last 3 months (from 39 kg to 33,500 kg). She only made one meal a day. By exploration and analysis, neoplastic disease is ruled out (thoraco-abdomino-pelvic CT without pathological findings). She has maintained restrictive intakes for more than 30 years. A long-term anorexia nervosa (AN) is suspected, with a worsening of restrictive behavior in recent months. Upon admission, she has a weight of 33,500 kg and a BMI of 14,10. She has a left palpebral ptosis and an alteration of the anterograde memory as well as affectation of executive functions. Progressive oral diet is started, and due to the suspicion of a WKS, thiamine ev is started for a week and then continued with oral thiamine. Thiamine levels are extracted once the ev treatment has begun, so we do not have previous levels to know if they were decreased. Brain MRI shows bilateral hyperintensities in white matter and at supratentorial level in T2 and FLAIR. After a month and a half of admission, the patient has progressively regained weight, has managed to make adequate intakes and has improvement in memory.
ResultsAn adverse consequence of severe malnutrition in AN due to severe food restriction and purging behavior is thiamine deficiency, and also global cerebral atrophy and concomitant cognitive deficits can be found. Thiamine deficiency occurs in 38% of individuals with AN and is often unrecognized. WKS is caused by thiamine deficiency, and WE is the acute phase of this syndrome (presentation of triad can vary). The chronic phase is KS and consists in amnesia with confabulations. WKS typically develops after malnourishment in alcoholic patients but can be associated in nonalcoholic such as prolonged intravenous feeding, hyperemesis, anorexia nervosa, refeeding after starvation, thyrotoxicosis, malabsorption syndromes; hemodialysis; peritoneal dialysis; AIDS; malignancy. WKS is a clinical diagnosis, and no specific abnormalities have been found in cerebrospinal fluid, brain imaging or electroencephalograms. MRI has a sensitivity of 53%, but high specificity of 93%, and shows an increased signal in T2 and FLAIR sequences, bilaterally symmetrical in the paraventricular regions of the thalamus, the hypothalamus, mamillary bodies, the periaquedutal region, the floor of the fourth ventricle and midline cerebellum.
ConclusionsIf the disorder is suspected, thiamine should be initiated immediately in order to prevent irreversible brain damage, with an estimated mortality rate of about 20%, or to the chronic form of the WE in up to 85% of survivors
Disclosure of InterestNone Declared
Insomnia associated with neutrophil/lymphocyte ratio in female patients with schizophrenia
- G. Paniagua, L. González-Blanco, F. Dal Santo, C. Martínez-Cao, C. Moya-Lacasa, M. Valtueña-García, E. Martín Gil, L. García-Alvarez, P.A. Saiz, M.P. García-Portilla, J. Bobes
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- Journal:
- European Psychiatry / Volume 64 / Issue S1 / April 2021
- Published online by Cambridge University Press:
- 13 August 2021, p. S806
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Introduction
Worse sleep quality and increased inflammatory markers in women with schizophrenia (Sch) have been reported (Lee et al. 2019). However, the physiological mechanisms underlying the interplay between sleep and the inflammatory pathways are not yet well understood (Fang et al. 2016).
ObjectivesAnalyze the relationship between Neutrophil/Lymphocyte (NLR), Monocyte/Lymphocyte (MLR) and Platelet/Lymphocyte (PLR) ratios, and insomnia in Sch stratified by sex.
MethodsFinal sample included 176 Sch patients (ICD-10 criteria) [mean age: 38.9±13.39; males: 111(63.1%)]. Assessment: PANSS, Calgary Depression Scale (CDSS), and Oviedo Sleep Questionnaire (OSQ) to identify a comorbid diagnosis of insomnia based on ICD-10. Fasting counting blood cell were performed to calculate ratios. Statistics: U Mann-Whitney, logistic regression.
ResultsInsomnia as comorbid diagnosis was present in 22 Sch (12.5%) with no differences between sex [14 males (12.6%), 8 females (12.3%)], neither in their age. Female patients with insomnia showed increased NLR [2.44±0.69 vs. 1.88±0.80, U=122.00 (p=0.034)]. However, no differences in PLR and MLR were found, neither in any ratio in males. Regression models using insomnia as dependent variable and covariates (age, PANSS-positive, PANSS-negative, CDSS) were estimated. Females: presence of insomnia was associated with NLR [OR=3.564 (p=0.032)], PANSS-positive [OR=1.263 (p=0.013)] and CDSS [OR=1.198 (p=0.092)]. Males: only PANSS-positive [OR=1.123 (p=0.027)] and CDSS scores [OR=1.220 (p=0.005)] were associated with insomnia.
ConclusionsNLR represent an inflammatory marker of insomnia in Sch but only in female patients. Improving sleep quality in these patients could help to decrease their inflammatory response.
DisclosureNo significant relationships.