• Malik Faisal Iftikhar, Muhammad Omer Rehman Rana, Ather Naeem, Muhammad Saad Waqas, Malik Hasnat Ul Hassan Khan, Umer Khiyam, Waheed Akhtar, Amin Mehmoodi, and Jahanzeb Malik.
• Department of Cardiology, Pakistan Institute of Medical Sciences, Islamabad, Pakistan.
• Medicine (Baltimore). 2024 Jun 28; 103 (26): e38724e38724.

AbstractThis retrospective study aims to explore the sex disparity in dual antiplatelet therapy (DAPT) noncompliance among left main stem percutaneous coronary intervention (PCI) patients with drug-eluting stent (DES) and identify predictors associated with non-adherence. Data were collected from the medical records of 1585 patients, including 1104 males and 481 females, who underwent left main stem PCI with DES. Baseline characteristics, angiographic features, and DAPT compliance rates at 1 month and 12 months were analyzed. Univariate logistic regression was used to identify predictors of DAPT noncompliance. The overall DAPT noncompliance rate at 1 month was 8.5%, increasing to 15.5% at 12 months. Females exhibited slightly higher noncompliance rates than males at both 1 month (15.6% vs 14.5%) and 12 months (28.1% vs 19.0%), although the difference was not statistically significant. Smoking status showed a modest impact on non-adherence, with current smokers exhibiting a lower noncompliance rate (14.9% at 1 month). Prior coronary artery disease history was associated with increased noncompliance at 12 months (18.9%). Angiographic characteristics, including lesion location and Syntax score, had no consistent association with DAPT noncompliance. This study highlights sex disparity in DAPT noncompliance among patients undergoing left main stem PCI with DES. Comorbidities, socioeconomic status, smoking status, and prior coronary artery disease history were identified as predictors of non-adherence.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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