Abstract Title:

Omega-3 consumption and sudden cardiac death in schizophrenia.

Abstract Source:

Prostaglandins Leukot Essent Fatty Acids. 2009 Oct;81(4):241-5. Epub 2009 Jul 22. PMID: 19628381

Abstract Author(s):

Fulvio A Scorza, Roberta M Cysneiros, Vera C Terra, Carla A Scorza, Esper A Cavalheiro, Miriam O Ribeiro, Wagner F Gattaz


People with schizophrenia show a two- to three-fold increased risk to die prematurely. Mortality is accounted for by a combination of factors (patients' life style, suicide, premature cardiovascular disease, metabolic syndromes and, not so often mentioned, sudden death). The cause of sudden death in schizophrenia is unknown, but cardiac arrhythmia plays a potential role. Patients with schizophrenia are at high risk for cardiovascular disease, and some antipsychotics may be associated with cardiovascular adverse events (e.g., electrocardiograph QT interval prolongation), suggesting that this could lead to sudden cardiac death. Animal and clinical studies have shown that omega-3 fatty acids could be useful in the prevention and treatment of schizophrenia. As omega-3 fatty acids have been considered a cardioprotector agent, reducing cardiac arrhythmias and hence sudden cardiac deaths and given their relative safety and general health benefits, our update article summarizes the knowledge by the possible positive effects of omega-3 supplementation and fish consumption against sudden cardiac death in patients with schizophrenia. However, fish species should be selected with caution due to contamination with toxic methylmercury.

Study Type : Human Study

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Sayer Ji
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