• Am. J. Med. · Oct 2023

    Percutaneous Coronary Intervention of Chronic Total Occlusion Associated with Higher Inpatient Mortality and Complications Compared to Non-CTO lesions.

    • Allistair Nathan, Mehrtash Hashemzadeh, and Mohammad Reza Movahed.
    • University of Arizona College of Medicine-Phoenix.
    • Am. J. Med. 2023 Oct 1; 136 (10): 994999994-999.

    BackgroundPercutaneous coronary intervention (PCI) in patients with chronic total occlusion is commonly performed despite unclear long-term benefits. The goal of this study was to evaluate the postprocedural outcome of patients with chronic total occlusion intervention.MethodsThe National Inpatient Sample database, years 2016-2020, was studied using International Classification of Diseases, Tenth Revision codes. Patients with chronic total occlusion interventions were compared with patients without chronic total occlusion. We evaluated postprocedural mortality and complications.ResultsPCI in patients with chronic total occlusion was associated with higher total inhospital mortality and all postprocedural complications. A weighted total of 10,059,269 patients underwent PCI, with 259,574 having chronic total occlusion. The chronic total occlusion group had a 3.17% mortality rate vs 2.57% of nonchronic total occlusion PCIs (odds ratio [OR] 1.24; 95% confidence interval [CI], 1.18-1.31; P < .001). Using multivariate analysis adjusting for basline charcteristics and high risk features such as age, sex, race, diabetes mellitus, chronic kidney disease, systolic heart failure, 3-vessel PCI, hypertension, chronic obstructive pulmonary disease, ST-elevation myocardial infarction, non-ST-elevation myocardial infarction, prior PCI, history of coronary artery bypass graft, history of anemia, smoking status, atrial fibrillation/flutter, valvular heart disease, and , history of stroke, chronic total occlusion PCI remained significantly associated with higher total mortality (OR 1.07; 95% CI, 1.02-1.13; P = .02). Patients with chronic total occlusion compared with nonchronic total occlusion PCI had also higher rates of myocardial infarction (OR 2.85; 95% CI, 2.54-3.21; P < .001), coronary perforation (OR 6.01; 95% CI, 5.25-6.89; P < .001), tamponade (OR 3.36; 95% CI, 2.91-3.88; P < .001), contrast-induced nephropathy (OR 2.05; 95% CI, 1.45-2.90; P < .001), procedural bleeding (OR 3.57; 95% CI, 3.27-3.89; P < .001), and acute postprocedural respiratory failure (OR 2.07; 95% CI, 1.81-2.36; P < .001). All postprocedural complications were more than 3 times the nonchronic total occlusion patients (OR 3.45; 95% CI, 3.24-3.67; P < .001).ConclusionUsing a large national inpatient database, PCI performed in patients with chronic total occlusion was associated with significantly much higher mortality and postprocedural complications compared with PCI in nonchronic total occlusion patients.Published by Elsevier Inc.

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