Abstract
Introduction Obesity paradox has been described in heart failure but data on in-hospital outcomes and readmission rates in Heart Failure with Preserved Ejection Fraction (HFpEF) in relation to body mass index (BMI) is limited. Hypothesis We hypothesized that mortality and readmissions would be lower in an obese population. Methods National Readmission Database 2016 was queried for adult patients with principal discharge diagnosis of HFpEF (I50.30-I50.33) and also had ICD 10 codes for BMI listed. Patients who died during index hospitalization were excluded from readmission analysis. Results 87041 patients met inclusion criteria and were divided in 3 groups: Non-Obese (BMI Conclusions HFpEF related readmissions were significantly higher in the morbidly obese group and obesity paradox was not observed for readmission rate in this cohort. In-hospital mortality was significantly high in non-obese group but length of stay (LOS) and total hospitalization charges were similar in non-obese and morbidly obese groups. In-hospital complications of AKI and readmissions due to AKI were significantly high in the obese and morbidly obese groups and needs further investigation.
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