Left atrial function in obese and non-obese patients undergoing percutaneous pulmonary vein isolation

Heart and Vessels
Małgorzata CichońKatarzyna Mizia-Stec

Abstract

Obesity constitutes a risk factor for atrial fibrillation (AF) and modifies the efficacy of invasive AF treatment. Left atrial (LA) global longitudinal strain (GLS), which is measured using speckle-tracking echocardiography (STE), is one of the new methods that are helpful in evaluating the function of LA. The aim of the study was to evaluate LA function in obese and non-obese patients that were undergoing percutaneous pulmonary vein isolation (PVI) before and 6 months after the procedure. 89 patients (F/M: 31/58; mean age: 55.8 ± 9.8 years) with paroxysmal or persistent symptomatic AF that had been qualified for percutaneous PVI were prospectively enrolled in the study. Body mass index (BMI) constituted as a discriminating factor for the study groups: obese group: BMI ≥ 30 kg/m2 (29 patients, F/M: 13/16, mean age: 55.13 ± 10.1 years) and non-obese group BMI < 30 kg/m2 (60 patients, F/M: 18/42, mean age: 57.17 ± 9.0 years). Transthoracic echocardiography (TTE) with LA GLS and segmental longitudinal strain were analysed 1 day before and 6 months after PVI. PVI efficacy was evaluated 6 months after PVI via a seven-day Holter monitoring. Baseline analysis revealed significantly lower two-chamber (2-Ch) LA GLS in the obese patients...Continue Reading

References

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Citations

Mar 30, 2019·Heart and Vessels·Yoshiro InoueYoshiaki Maruyama
Nov 16, 2021·Frontiers in Cardiovascular Medicine·Yan WenFrank R Heinzel

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Software Mentioned

Echo
Statistica
VVI
QLab
Pac
TomTec
EchoPAC

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