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Saudi J Gastroenterol. 2020 Feb 7. doi: 10.4103/sjg.SJG_472_19. [Epub ahead of print]

Incidence of symptomatic cholelithiasis after laparoscopic sleeve gastrectomy and its association with rapid weight loss.

Author information

1
Department of Surgery, King Saud University, Riyadh, Kingdom of Saudi Arabia.
2
Department College of Medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia.

Abstract

Background/Aim:

The worldwide prevalence of obesity has increased dramatically over the past years. In the Arab region, 66%-75% of adults and 25%-40% of children are either overweight or obese. Bariatric surgery has become the most effective approach for managing obesity and its co-morbidities. An expected outcome of bariatric surgery is cholelithiasis, which is one of the established risk factors of rapid weight loss. The aim of this study is to detect the incidence of symptomatic cholelithiasis among bariatric patients.

Patients and Methods:

A retrospective cohort study on 711 patients aged between 18 and 60 who underwent laparoscopic sleeve gastrectomy (LSG) was conducted at King Saud University Medical City from January 2016 to January 2018.

Results:

The postoperative incidence of symptomatic cholelithiasis was 3.5%. The mean duration of symptom development was 12.4 months. The rates of weight loss at 6 and 12 months for patients with symptomatic cholelithiasis were 28.94 ± 4.89% and 38.51 ± 6.84%, respectively (P = 0.002), which were significantly higher than in patients without symptomatic cholelithiasis during the same follow-up period (24.41 ± 6.6% and 32.29 ± 10.28%), respectively; (P = 0.012).

Conclusion:

We found a 3.5% incidence of symptomatic cholelithiasis among post-LSG patients in a period of 2 years. Rapid weight loss was the only risk factor that contributed to the development of post-LSG gallbladder disease.

Statistical Analysis Used:

Results were expressed as absolute numbers and percentages for categorical variables and as mean and standard deviation for continuous variables. A paired sample t-test was performed to determine significant differences between means at different time stamps. Statistical analysis was performed using the Statistical Package for the Social Sciences (SPSS) version 23.0.

KEYWORDS:

Bariatric surgery; cholelithiasis; gallstones; laparoscopic sleeve gastrectomy; weight loss

PMID:
32031160
DOI:
10.4103/sjg.SJG_472_19

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