Abstract
Risk factors for heart disease include arterial hypertension, high cholesterol, tobacco abuse, and obesity. There is a paucity of data regarding role of ethnicity in bariatric surgery (BS) outcomes. The study's aim is to determine if ethnicity plays a significant role in BS outcomes, heart age, and cardiovascular risk. We conducted a retrospective review of data collected concurrently from patients who underwent BS from 2010 to 2015. We analyzed demographics, comorbidities, heart age, and cardiovascular risk-score at surgery and 12-month follow-up. Ethnicities categorized were Caucasian and African American. Heart age was calculated using the Framingham Study Heart Age Calculator and cardiovascular risk-score using the Atherosclerotic Cardiovascular Disease Risk Calculator. A total of 292 patients presented all the variables needed to calculate heart age and cardiovascular risk score. This patient population was composed of 85% Caucasians and 15% African American. Female gender represented 67% (N = 202) of patients with mean age of 52.6 ± 10.7years. LSG was the most prevalent procedure performed in 73.2% (N = 213) of patients. Mean BMI pre-operatively versus post-operatively by ethnicity was 41.46 ± 4.66 vs 30.08 ± 4.34 Caucasians and 41.90 ± 4.69 vs 32.08 ± 4.68 African Americans. Mean heart age pre-operatively versus post-operatively by ethnicity was 71.35 ± 14.59 vs 62.45 ± 16.12 (p < 0.0001) for Caucasians and 71.38 ± 14.30 vs 65.91 ± 16.61 (p = 0.11) for African Americans. The mean cardiovascular risk scores pre-operatively versus post-operatively by ethnicity were 0.24 ± 0.20 vs 0.15 ± 0.14 (p < 0.0001) for Caucasians and 0.20 ± 0.19 vs 0.16 ± 0.17 (p = 0.23) for African Americans. Ethnicity does not seem to impact weight loss after BS. However, we found a significant ethnicity-elated difference in reduction of heart age and cardiovascular risk.
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