Thirty-Day Readmissions After Chronic Total Occlusion Percutaneous Coronary Intervention in the United States: Insights From the Nationwide Readmissions Database.

Cardiovasc Revasc Med 2020 Aug 26;21(8):992-997. Epub 2019 Dec 26.

Division of Cardiology, Department of Medicine, West Virginia University, Morgantown, WV, United States of America; Department of Cardiovascular Diseases, Mayo Clinic College of Medicine, Rochester, MN, United States of America. Electronic address:

Background: Several studies have investigated early readmissions after percutaneous coronary interventions (PCIs). However, studies investigating 30-day readmission following PCI for chronic total occlusion (CTO) are lacking.

Methods: The National-Readmission-Database (NRD) was queried to identify patients undergoing elective CTO PCI between January 1, 2016 and December 31, 2016. We assessed the incidence, predictors, and cost of 30-day readmissions.

Results: A total of 30,579 CTO PCIs were identified in the NRD. After excluding patients who had acute myocardial infarction (n = 14,852), the final cohort included 15,907 patients. In this group of patients, 254 patients (1.5%) expired during their index admission and, 1600 patients (10%) had an unplanned readmission within 30 days. Cardiac causes constituted 54.2% of all causes of readmission. During the readmission, 15.8% of patients had coronary angiography, 8.4% underwent PCI, and 0.9% underwent bypass grafting. Independent predictors of 30-day readmission included baseline characteristics [age (OR 0.99, 95%CI 0.98-0.99), female (OR 1.14, 95%CI 1.01-1.28), lung disease (OR 1.36, 95%CI 1.20-1.55), heart failure (OR 1.42, 95%CI 1.24-1.62), anemia (OR 1.30, 95%CI 1.12-1.50), vascular disease (OR 1.18, 95%CI 1.03-1.35), history of stroke (OR 1.50, 95%CI 1.28-1.76) and the presence of a defibrillator (OR 1.68, 95%CI 1.39-2.03)], and procedural complications [acute kidney injury (OR 1.55, 95%CI 1.33-1.80) and gastrointestinal bleeding (OR 1.67, 95%CI 1.03-2.71)].

Conclusions: One-tenth of patients undergoing CTO PCI are readmitted within 30-days, mostly for cardiac causes. The majority undergo angiography but <10% receive revascularization. Certain patient and procedural characteristics independently predicted 30-day readmission.

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http://dx.doi.org/10.1016/j.carrev.2019.12.025DOI Listing
August 2020

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