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Antipsychotic Drugs and Risk of Developing Venous Thromboembolism and Pulmonary Embolism: A Systematic Review and Meta-Analysis

[ Vol. 18 , Issue. 6 ]

Author(s):

Omid Arasteh, Homa Nomani, Hamed Baharara, Seyed A. Sadjadi, Amir H. Mohammadpour*, Vahid Ghavami*, Thozhukat Sathyapalan and Amirhossein Sahebkar*   Pages 632 - 643 ( 12 )

Abstract:


Background: Antipsychotic (AP) medications are the cornerstone treatment for schizophrenia and some other psychiatric diseases. However, some observational studies suggest that these medications might increase the risk of venous thromboembolism (VTE) and pulmonary embolism (PE).

Objectives: The aim of this study was to assess whether AP medications are associated with the development of VTE or PE, and to assess the risk based on any type of AP drugs, quality of studies and after adjustment of risk factors.

Data Sources: To identify relevant studies, we searched PubMed and EMBASE databases up to February 2019. We also searched the reference lists of relevant articles for related studies.

Study Selection: Twenty studies fulfilled the eligibility criteria and were included in our meta-analysis after screening relevant observational cohort and case-control studies.

Primary Outcome: The primary outcome of our meta-analysis was the occurrence of all VTE or PE only attributed to exposure to AP medications compared with non-exposure to AP medications.

Results: Exposure to AP drugs was associated with a significant increase in the risk of VTE (RR 1.53, 95% CI 1.30-1.80, I2 = 85%) and PE (RR 3.69, 95% CI 1.23-11.07, I2 = 90%). In the subgroup metaanalysis, the use of low-potency AP drugs was associated with a higher risk of VTE, (RR 1.90, 95% CI 1.04-3.47, I2 = 78%).

Conclusion: AP exposure was associated with a 1.5-fold increase in the risk of VTE and a 3.7-fold increase in the risk of PE. Low-potency AP drugs were associated with a higher risk of VTE. However, high heterogeneity among studies limits the generalizability of the results.

Keywords:

Antipsychotics, venous thromboembolism, pulmonary embolism, meta-analyses, antipsychotics drugs, psychiatric disorders.

Affiliation:

Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Department of Psychiatry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Department of Biostatistics and Epidemiology, School of Health, Mashhad University of Medical Sciences, Mashhad, Department of Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull HU3 2RW, Halal Research Center of IRI, FDA, Tehran

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