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In‐hospital outcomes of percutaneous mitral valve repair in patients with chronic obstructive pulmonary disease: insights from the national inpatient sample database
Journal article   Peer reviewed

In‐hospital outcomes of percutaneous mitral valve repair in patients with chronic obstructive pulmonary disease: insights from the national inpatient sample database

Mohammed Osman, Muhammad Zia Khan, Peter D. Farjo, Muhammad U. Khan, Safi U. Khan, Mina M. Benjamin, Muhammad Bilal Munir and Sudarshan Balla
Catheterization and cardiovascular interventions, Vol.97(1), pp.E104-E112
01/01/2021
DOI: 10.1002/ccd.28913
PMCID: PMC7644582
PMID: 32374943

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Abstract

Abstract Objectives We aimed to assess the in‐hospital outcomes in patients with mitral regurgitation treated with percutaneous mitral valve repair (PMVR) among patients with chronic obstructive pulmonary disease (COPD). Background There is lack of data on the outcomes of PMVR for mitral regurgitation in patients with COPD. Methods We analyzed the national inpatient sample (NIS) database from January 2012 to December 2016. Results A total of 9125 patients underwent PMVR in the period between January 2012 and December 2016, of whom 2,495 (27.3%) patients had concomitant COPD. Comparing COPD patients to non‐COPD patients, COPD patients had higher proportion of females (48.3% vs. 46.6%, p = .16), were younger (75.8 ± 10.0 years vs. 76.4 ± 12.2 years; p = .04), had higher prevalence of peripheral vascular disease (17.4% vs. 13.5%; p  < .01) and renal failure (39.3% vs. 37%; p  < .01). After propensity matching, there was no significant difference in mortality among the COPD group versus non‐COPD patients (2.6% vs. 2.9%; p = .6). Patients with COPD had higher proportion of in‐hospital morbidities including St‐segment elevation myocardial infarction (1.8% vs. 1.0%; p = .02), cardiogenic shock (1.4% vs. 0.4%; p  < .01), vascular complications (2% vs. 0.8; p  < .01), pneumothorax (1% vs. 0.4%; p  < .01), and septic shock (1.2% vs. 0.4%; p  < .01). Moreover, surrogates of severe disability (mechanical intubation and non‐home discharges), cost of hospitalization, and length of stay were higher in the COPD group. Conclusions There was no difference in mortality between the COPD and non‐COPD patients after PMVR. Moreover, we observed higher rates of in‐hospital morbidities, surrogates of severe disability, and higher resources utilization by the COPD group.

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