Bariatric Surgery and Hospitalization for Heart Failure in Morbidly Obese Patients

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Bariatric Surgery and Hospitalization for Heart Failure in Morbidly Obese Patients Gursukhmandeep Singh Sidhu 1 & Rohan Samson 1 & Karnika Ayinapudi 1 & Thierry H. Le Jemtel 1 Received: 19 February 2020 / Revised: 11 June 2020 / Accepted: 17 June 2020 # Springer Science+Business Media, LLC, part of Springer Nature 2020

Abstract Background Bariatric surgery may improve heart failure outcome in morbidly obese patients. However, the safety of bariatric surgery has not been investigated in morbidly obese patients hospitalized for heart failure. We evaluated the effects of bariatric surgery on parameters of hospitalization for heart failure in morbidly obese patients. Methods We analyzed administrative discharge data of morbidly obese patients with heart failure as a primary diagnosis. Propensity score matching was performed to assess parameters of hospitalization in morbidly obese patients with and without a history of bariatric surgery. The discharges with diastolic heart failure codes were analyzed separately. Results Morbid obesity was coded in 4.4% of all discharges. Heart failure was the primary diagnosis in 6.0% of discharges with morbid obesity codes. Only 1% of discharges with morbid obesity and heart failure as primary diagnosis codes were coded for bariatric surgery. Length of stay (p < 0.001), in-hospital mortality (p < 0.001), and the estimated cost of hospitalizations (p < 0.007) were lower in discharges with than without bariatric surgery codes. Length of stay was shorter and in-hospital mortality was lower in discharges with codes for diastolic heart failure and bariatric surgery than with codes for only diastolic heart failure (p < 0.042 and p < 0.001 respectively). Conclusion When hospitalized for heart failure, morbidly obese patients who underwent bariatric surgery fare as well as or slightly better than their counterparts who did not. Keywords Bariatric surgery . Hospitalizations . Mortality . Heart failure . Diastolic dysfunction

Abbreviations I C D - 9 -International Classification of Diseases-Ninth CM Revision-Clinical Modification CCS, Clinical Classifications Software MO Morbidly obese HF Heart failure LVEF Left ventricular ejection fraction BAS Bariatric surgery DHF Diastolic heart failure

Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11695-020-04787-8) contains supplementary material, which is available to authorized users. * Thierry H. Le Jemtel [email protected] 1

Section of Cardiology, John W. Deming Department of Medicine, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA

OSA CAD SMD NIS

Obstructive sleep apnea Coronary artery disease Standardized mean difference National Inpatient Sample

Introduction The association between obesity and heart failure (HF) is paradoxical: obese patients are at increased risk for HF, but when they develop HF, obese patients have a more favorable outcome than their normal-weight counterparts [1–3]. The safety of bariatric surgery (BAS) has not