Abstract:
BACKGROUND:Obesity can lead to increased oxidative stress which is one of the proposed mechanisms in the etiopathogenesis of takotsubo cardiomyopathy (TCM). HYPOTHESIS:The presence of obesity adversely impacts clinical outcomes in TCM patients. METHODS:We queried the Nationwide Inpatient Sample database (2010-2014) to identify adult patients admitted with a principal diagnosis of TCM with and without obesity. We compared the categorical and continuous variables by Pearson χ2 and Student t test, respectively, in propensity-score matched cohorts. RESULTS:The study cohort comprised 612 obese TCM (weighted n = 3034) and 5696 nonobese TCM (weighted n = 28 186) patients. Obese TCM patients were more often younger and private-insurance enrollees. Cardiac complications including acute myocardial infarction (9.0% vs 7.4%; P = 0.04), cardiac arrest (2.3% vs. 0.4%; P < 0.001), cardiogenic shock (4.3% vs. 3.2%; P = 0.03), congestive heart failure (5.0% vs. 3.8%; P = 0.02), respiratory failure (12.9% vs. 11.0%; P = 0.021) and use of mechanical hemodynamic support (Impella; 0.2% vs. 0.0%, P = 0.02) were significantly higher among obese TCM patients. There were no significant differences between the 2 groups in all-cause mortality (1.0% vs. 0.8%; P = 0.35), arrhythmia (24.5% vs. 22.7%, P = 0.123), length of stay (3.7 ±3.5 vs. 3.7 ±3.6 days; P = 0.68), and total hospital charges ($40 780.16 vs. $42 575.14; P = 0.08). CONCLUSIONS:Obese TCM patients were more susceptible to developing TCM-related cardiac complications than were nonobese TCM patients, without any impact on all-cause in-hospital mortality, LOS, and hospital charges.
journal_name
Clin Cardioljournal_title
Clinical cardiologyauthors
Desai R,Singh S,Baikpour M,Goyal H,Dhoble A,Deshmukh A,Kumar G,Sachdeva Rdoi
10.1002/clc.22999subject
Has Abstractpub_date
2018-08-01 00:00:00pages
1028-1034issue
8eissn
0160-9289issn
1932-8737journal_volume
41pub_type
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