Background: Bariatric surgery (BS) has proved to reduce comorbidity burden among patients with established cardiovascular diseases (CVD). However, its impact on mortality and hospital outcomes remains to be investigated among this population of patients.
Methods: National Inpatient Sample (NIS) database was queried to identify admission cases with CVD during 2019. Mortality rate and hospital outcomes were compared according to the types of CVD and history of BS.
Results: Out of 7,803,805 hospitalizations during 2019, data of 38,354 patients with a history of BS was stratified according to the types of CVD (Table1). History of BS was associated with lower mortality among all CVD subtypes. However, its impact on reducing the length of stay was only statistically significant among established cases of heart failure, atrial fibrillation, peripheral vascular diseases, and aortic dissection/aneurysm. Regardless, previous BS was not associated with lower cost of hospitalization among patients admitted with CVD. Among BS procedures, sleeve gastrectomy played a more beneficial role than gastric bypass among CVD patients.
Conclusion: Bariatric surgery is associated with reduced mortality and length of hospitalization among patients with established CVD with sleeve gastrectomy having a more desirable outcome. However, its impact on acute cases of CVD such as myocardial infarction and cerebrovascular accident remains unclear. 


Bariatric Surgery is Associated with Better Outcomes Among Hospitalized Patients with Established Cardiovascular Diseases in the United States: An Insight from the National Inpatient Sample Data 2019

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Bariatric Surgery is Associated with Better Outcomes Among Hospitalized Patients with Established Cardiovascular Diseases in the United States: An Insight from the National Inpatient Sample Data 2019

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