Abstract
PurposeQT prolongation is one of the main unwanted cardiac effects caused by drugs, such as anti-psychotics and anti-depressants, inducing mainly via hERG channel dysfunction. The precise and underlying mechanism of adverse effects on hERG channel are still indecisive, but these effects limit their use in patients with cardiac risk factors. The aim of this review was studying mechanism of Long-term QT syndrome induction via hERG channel dysfunction by these Drugs. MethodSearch was performed in PubMed, and Scopus. All human, animals, and cell lines studies, English and full text publications were included. Among 1280 papers, 23 studies were eligible for more assessments. Quality of studies cheeked by two researchers independently. Key findingmost of studies were done on anti-psychotic drugs, especially typical class. Most used investigated method to long-term QT induction was patch clamp. Significanceresults suggests in susceptible cases with heart risk factors, these drugs should be taken with caution and monitored.
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