Original article
Laparoscopic sleeve gastrectomy versus Roux-en-Y gastric bypass in cardiovascular risk reduction: A match control study

https://doi.org/10.1016/j.soard.2018.09.488Get rights and content

Abstract

Background

There is a paucity of studies comparing risk reduction of the atherosclerotic cardiovascular disease (ASCVD) and Framingham-body mass index (BMI) Coronary Heart risk score after a laparoscopic Roux-en-Y gastric bypass (RYGB), and few studies have assessed the efficacy of laparoscopic sleeve gastrectomy (SG) in reducing cardiovascular risk.

Objective

Our goal in this study was to compare the impact of SG and RYGB on cardiovascular risk reduction.

Setting

U.S. university hospital.

Methods

We retrospectively reviewed the records of all SG or RYGB cases at our institution between 2010 and 2015. Patients who met the criteria for calculating the ASCVD 10-year and Framingham-BMI score were included in the study. Propensity score matching was used to match SG and RYGB on demographic characteristics and co-morbidities.

Results

Of the 1330 bariatric patients reviewed in the study period, 219 (19.3%) patients met the criteria for risk score calculation. SG was the most prevalent surgery in 72.6% (N = 159) of cases compared with RYGB in 27.4% (N = 60) of cases. At 12-month follow-up, ASCVD 10-year score had an absolute risk reduction of 3.9 ± 6.5% in SG patients and 2.9 ± 5.8% in RYGB patients (P = .3). Framingham-BMI score absolute risk reduction was 11.0 ± 12.0% in SG and 9.0 ± 11.0% in RYGB patients (P = .4), and the decrease in estimated heart age was 12.1 ± 15.6 years in SG versus 9.2 ± 9.6 years in RYGB (P = .1). The percentage of estimated BMI loss at 1 year was 68.1 ± 23.3% in SG versus 74.2 ± 24.8% in RYGB (P = .1).

Conclusion

Our results suggest that SG and RYGB are equally effective in improving cardiovascular risk and decreasing the estimated vascular/heart age at 12-month follow-up.

Section snippets

Methods

After institutional review board approval, we retrospectively reviewed our prospectively collected electronic database of patients who underwent either SG or RYGB from December 2010 to December 2015 at our institution. We included all patients who met the criteria for calculating the Framingham-body mass index 10-year risk score (FRS-BMI) and the ASCVD 10-year risk score, namely patients between 30 and 74 years of age without cardiovascular disease (CVD) at baseline examination. The FRS-BMI

Results

Of 1330 bariatric patients reviewed, 219 (16.4%) met the criteria for both the Framingham-BMI 10-year and ASCVD risk score calculation. Laparoscopic SG was the most prevalent surgery at 72.6% (N = 159) compared with RYGB at 27.4% (N = 60) of cases. Demographic characteristics of the 2 procedures before matching are reported in Table 1. Regarding the metabolic panel, both procedures were comparable in the preoperative setting, and the ASCVD 10-year and lifetime ASCVD risk scores and the FRS-BMI

Discussion

Bariatric surgery has demonstrated to be the most effective treatment for obesity, with most studies showing positive outcomes not only regarding weight loss but also resolution of severe co-morbidities, such as sleep apnea, type 2 diabetes, and CVD [8], [17], [18].

In recent years, several studies have tried to assess the metabolic effect of bariatric surgery, mostly after RYGB and its related weight loss and potential cardiovascular risk reduction [11].

Laparoscopic SG has become the preferred

Conclusion

SG and RYGB seem to be equally effective in improving cardiovascular risk and decreasing the estimated vascular/heart age at 12 months of follow-up.

Disclosures

The authors have no commercial associations that might be a conflict of interest in relation to this article.

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