Percutaneous coronary intervention and 30-day unplanned readmission with chest pain in the United States (nationwide readmissions database)

Sykes, R. A. , Mohamed, M. O., Kwok, C. S., Mamas, M. A. and Berry, C. (2021) Percutaneous coronary intervention and 30-day unplanned readmission with chest pain in the United States (nationwide readmissions database). Clinical Cardiology, 44(3), pp. 291-306. (doi: 10.1002/clc.23543) (PMID:33590937) (PMCID:PMC7943906)

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Abstract

Percutaneous coronary intervention (PCI) improves anginal chest pain in most, but not all, treated patients. PCI is associated with unplanned readmission for angina and non‐specific chest pain within 30‐days of index PCI. Patients with an index hospitalization for PCI between January–November in each of the years 2010–2014 were included from the United States Nationwide Readmissions Database. Of 2 723 455 included patients, the 30‐day unplanned readmission rate was 7.2% (n = 196 581, 42.3% female). This included 9.8% (n = 19 183) with angina and 11.1% (n = 21 714) with non‐specific chest pain. The unplanned readmission group were younger (62.2 vs 65.1 years; P < 0.001), more likely to be females (41.0% vs 34.2%; P < 0.001), from the lowest quartile of household income (32.9% vs 31.2%; P < 0.001), have higher prevalence of cardiovascular risk factors or have index PCI performed for non‐acute coronary syndromes (ACS) (OR:3.46, 95%CI 3.39–3.54). Factors associated with angina readmissions included female sex (OR:1.28, 95%CI 1.25–1.32), history of ischemic heart disease (IHD) (OR:3.28, 95%CI 2.95–3.66), coronary artery bypass grafts (OR:1.79, 95%CI 1.72–2.86), anaemia (OR:1.16, 95%CI 1.11–1.21), hypertension (OR:1.13, 95%CI 1.09, 1.17), and dyslipidemia (OR:1.10, 95%CI 1.06–1.14). Non‐specific chest pain compared with angina readmissions were younger (mean difference 1.25 years, 95% CI 0.99, 1.50), more likely to be females (RR:1.13, 95%CI 1.10, 1.15) and have undergone PCI for non‐ACS (RR:2.17, 95%CI 2.13, 2.21). Indications for PCI other than ACS have a greater likelihood of readmission with angina or non‐specific chest pain at 30‐days. Readmissions are more common in patients with modifiable risk factors, previous history of IHD and anaemia.

Item Type:Articles
Additional Information:Funding information: British Heart Foundation, Grant/Award Numbers: PG/17/2532884, RE/13/5/30177, RE/18/6/34217.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Berry, Professor Colin and Sykes, Dr Robert
Authors: Sykes, R. A., Mohamed, M. O., Kwok, C. S., Mamas, M. A., and Berry, C.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:Clinical Cardiology
Publisher:Wiley
ISSN:0160-9289
ISSN (Online):1932-8737
Published Online:16 February 2021
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Clinical Cardiology 44(3): 291-306
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
303944BHF Centre of ExcellenceRhian TouyzBritish Heart Foundation (BHF)RE/18/6/34217CAMS - Cardiovascular Science
190814BHF centre of excellenceRhian TouyzBritish Heart Foundation (BHF)RE/13/5/30177Institute of Cardiovascular & Medical Sciences