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Prevention of Hospital Associated Venous Thromboembolism in Psychiatric Inpatients- a Survey of Current Practice Within Mental Health Trusts in England
- Ashma Mohamed, Michael Cheah, Josie Jenkinson, Beverley Hunt, Jo Jerrome, Audrey Purcell
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- Journal:
- BJPsych Open / Volume 8 / Issue S1 / June 2022
- Published online by Cambridge University Press:
- 20 June 2022, pp. S139-S140
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Aims
General hospital inpatients are routinely risk assessed for hospital associated venous thromboembolism (HAT) and given appropriate thromboprophylaxis if indicated. However, mental health trusts have not taken a similar approach in psychiatric inpatients, despite known risk factors, including some unique to psychiatric inpatients. We explored current practice of HAT prevention in English psychiatric inpatients.
MethodsA Freedom of Information Act (FOI) request was sent to all 71 English mental health trusts, asking whether there was a Venous Thromboembolism (VTE) policy, whether a VTE risk assessment tool was being used, what is looked like, and the incidence of HAT in their psychiatric inpatients i.e., VTE during admission or occurring up to 90 days post discharge.
ResultsWe received 54 unique responses (76%) to the FOI. Of these, 36 (86%) shared their VTE policy, 26 (72%) of which had been adapted for this population; 38 (90%) shared their VTE risk assessment tool, of which 17 (45%) were adapted from the Department of Health VTE risk assessment tool.
Only five trusts out of 42 (12%) monitored VTE events up to 90 days post-discharge and 4 of these shared their monitoring policy. Only 18 (43%) were able to provide data on the number of psychiatric patients diagnosed with a VTE during their stay and up to 90 days post discharge between February 2016–2021, 6 (14%) said they would incur costs to collect this data and 9 (21%) were unable to access this data. Where information was provided, the number of HAT events ranged from 0–224 within each trust. Of the 18 trusts who provided data, a total of 514 events were recorded between Feb 2016-Feb 2021, but none of the trusts were able to confirm if this included VTE events up to 90 days post discharge.
ConclusionOur FOI survey suggest a high incidence of VTE in psychiatric patients and indicate wide variation in HAT prevention in English hospitalised psychiatric patients. Most had a VTE Trusts had a policy in place, with 45% having a VTE risk assessment tool that listed risk factors unique to psychiatric patients, adapting VTE risk assessment tools in this way may lead to a greater use of thromboprophylaxis. The lack of access to data on HAT by mental health trusts is concerning. Further research is required to understand the rates of VTE, validate a VTE risk assessment tool and conduct trials looking at the benefit of thromboprophylaxis in psychiatric inpatients.
The blues, and an almost shocking surprise – Unexpected PE in a catatonic patient, that almost had ECT
- Michael Cheah, Ashma Mohamed, Anand Mathilakath
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- Journal:
- BJPsych Open / Volume 7 / Issue S1 / June 2021
- Published online by Cambridge University Press:
- 18 June 2021, p. S130
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Aims
To present a case of a near-miss, where an unexpected Pulmonary Embolism (PE) was identified in a patient with psychotic depression and catatonia, who almost had Electroconvulsive Therapy (ECT). Our aim is to highlight the importance of Venous-Thrombo Embolism (VTE) risk assessment in all psychiatric inpatients, particularly those with catatonia, and those about to undergo ECT.
MethodA 53-year-old female admitted with her first presentation of psychotic depression, catatonia, poor oral intake, and significant weight loss in the community for months prior to admission. She was recommended for emergency ECT as the severity of her self-neglect was becoming life threatening. Her first ECT session was cancelled due to low potassium levels prior to ECT, which proved to be a fortunate event. She developed sudden onset chest pain the next day, and following further medical investigations; was diagnosed to have a bilateral PE, and subsequently treated with Apixaban. Due to the potential risk of ECT dislodging the clots, treatment was done by optimising medication alone; Venlafaxine 300 mg, Mirtazapine 45 mg, Haloperidol 6 mg. She made a slow but successful recovery, and was discharged home, with ongoing support from Early Intervention in Psychosis services.
ResultWe conducted a literature search, and it is well known that there is an increased risk of VTE in catatonic patients, as well as other psychiatric inpatients; due to anti-psychotic medication. Furthermore, cases have been reported where ECT was associated with increased risk of death in patients with known VTE/PE.
On retrospective review of the patient's risks of developing VTE in the community, it was clear, that she was at very high risk of developing VTE. It was also noted that she should have had a VTE risk assessment on admission, in accordance with NICE guidelines; where all acute psychiatric inpatients should have this assessed as soon as possible.
ConclusionThrough a process of assessment and treatment, VTE is often preventable. Identification of high-risk patients on admission to hospital is therefore crucial. It is thus, imperative that a comprehensive VTE risk assessment is completed on admission and regularly reviewed.
This case highlights the risk of missing VTE assessments in WAA Inpatients, particularly those with catatonia, about to undergo ECT, which could have been fatal. As such, VTE/PE risk assessment in such patients, about to undergo ECT, is particularly crucial.
Clinicians need to have a high index of suspicion of VTE/PE, particularly in patients with catatonia.