Effects of Bariatric Surgery on Heart Rhythm Disorders: a Systematic Review and Meta-Analysis
- PMID: 33712936
- DOI: 10.1007/s11695-021-05314-z
Effects of Bariatric Surgery on Heart Rhythm Disorders: a Systematic Review and Meta-Analysis
Abstract
The aim of this systematic review is to provide an overview of the literature on the effects of bariatric surgery on obesity-associated electrocardiogram (ECG) abnormalities and cardiac arrhythmias. Fourteen studies were included with a methodological quality ranging from poor to good. Majority of the studies showed a significant decrease of QT interval and related measures after bariatric surgery. Seven studies were included in the meta-analysis on effects of bariatric surgery on QTc interval and a significant decrease in QTc interval of - 33.6 ms, 95%CI [- 49.8 to - 17.4] was seen. Bariatric surgery results in significant decrease in QTc interval and P-wave dispersion, i.e., a normalization of initial pathology. The effects on atrial fibrillation are conflicting and not yet fully understood.
Keywords: Atrial fibrillation; Bariatric surgery; Heart rhythm disorders; Metabolic surgery; Obesity.
Comment in
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Response to: "QT Interval Shortening After Bariatric Surgery-Mind the Heart Rate Correction Equation".Obes Surg. 2021 Oct;31(10):4638-4639. doi: 10.1007/s11695-021-05503-w. Epub 2021 Jun 1. Obes Surg. 2021. PMID: 34061301 No abstract available.
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QT Interval Shortening After Bariatric Surgery: Mind the Heart Rate Correction Equation.Obes Surg. 2021 Oct;31(10):4637. doi: 10.1007/s11695-021-05502-x. Epub 2021 Jun 3. Obes Surg. 2021. PMID: 34081272 No abstract available.
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