Digestive diseases and sciences · 2021
Incidence of Symptomatic Cholelithiasis Following Laparoscopic Roux-en-Y Gastric Bypass Is Comparable to Laparoscopic Sleeve Gastrectomy: A Cohort Study.
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Golzarand Mahdieh, Toolabi Karamollah, Parsaei Reza, Eskandari Delfan Sina
Аннотация
BACKGROUND: A few comparative studies have assessed the incidence of symptomatic cholelithiasis after laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB). However, they have shown inconsistent results. The present study has been designed based on comparing LSG and LRYGB regarding the incidence of symptomatic cholelithiasis and determining factors related to symptomatic cholelithiasis development after these procedures.
METHODS: This retrospective cohort study was conducted on 1163 patients aged ≥ 18 years old who underwent LRYGB (n = 377) or LSG (n = 786) from July 2006 to November 2019. The participants had no previous history of gallstones. A Cox-proportional hazard regression was used to assess associations between the types of procedures and the risk of symptomatic cholelithiasis. The univariable and then multivariable analysis were used to reveal the predictors of symptomatic cholelithiasis.
RESULTS: The mean person-time follow-up was 34 months (95% CI: 32.2 to 36.1 months). The incidence of symptomatic cholelithiasis was 8.3% over the follow-up period. There was no significant association between the risk of symptomatic cholelithiasis development and the type of surgical procedure (HR: 1.35, 95% CI: 0.75 to 2.41). Females had a 2.3-fold higher risk of symptomatic cholelithiasis than males, according to the multivariable Cox regression (HR: 2.31, 95% CI: 1.23 to 4.33). In addition, there was an inverse association between the administration of UDCA and the incidence of symptomatic cholelithiasis (HR: 0.13, 95% CI: 0.01 to 0.99). Our findings indicated that age, baseline body mass index (BMI), percentage of weight loss (%WL) after three and six months following surgery, postoperative pregnancy, and obesity-related comorbidities did not predict the risk of symptomatic cholelithiasis.
CONCLUSION: The present study illustrates no significant differences between LRYGB and LSG regarding symptomatic cholelithiasis occurrence. Our findings indicate that administration of UDCA has a protective effect against symptomatic cholelithiasis while, female gender is the main predictor of symptomatic cholelithiasis.
METHODS: This retrospective cohort study was conducted on 1163 patients aged ≥ 18 years old who underwent LRYGB (n = 377) or LSG (n = 786) from July 2006 to November 2019. The participants had no previous history of gallstones. A Cox-proportional hazard regression was used to assess associations between the types of procedures and the risk of symptomatic cholelithiasis. The univariable and then multivariable analysis were used to reveal the predictors of symptomatic cholelithiasis.
RESULTS: The mean person-time follow-up was 34 months (95% CI: 32.2 to 36.1 months). The incidence of symptomatic cholelithiasis was 8.3% over the follow-up period. There was no significant association between the risk of symptomatic cholelithiasis development and the type of surgical procedure (HR: 1.35, 95% CI: 0.75 to 2.41). Females had a 2.3-fold higher risk of symptomatic cholelithiasis than males, according to the multivariable Cox regression (HR: 2.31, 95% CI: 1.23 to 4.33). In addition, there was an inverse association between the administration of UDCA and the incidence of symptomatic cholelithiasis (HR: 0.13, 95% CI: 0.01 to 0.99). Our findings indicated that age, baseline body mass index (BMI), percentage of weight loss (%WL) after three and six months following surgery, postoperative pregnancy, and obesity-related comorbidities did not predict the risk of symptomatic cholelithiasis.
CONCLUSION: The present study illustrates no significant differences between LRYGB and LSG regarding symptomatic cholelithiasis occurrence. Our findings indicate that administration of UDCA has a protective effect against symptomatic cholelithiasis while, female gender is the main predictor of symptomatic cholelithiasis.