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You are here: Home / Abstracts / INCIDENCE OF GALLSTONE FORMATION AFTER BARIATRIC SURGERY. A PROSPECTIVE STUDY AND FOLLOW UP

INCIDENCE OF GALLSTONE FORMATION AFTER BARIATRIC SURGERY. A PROSPECTIVE STUDY AND FOLLOW UP

Juan E Contreras, Professor, Jorge Bravo, MD, Ismael Court, MD. Clinica Santa maria

Background: Chilean prevalence of  cholelithiasis is 13.1% in men and 36.7% women and 70 % of population has overweight or obesity.

Objective: The aim is to evaluate the incidence of cholelithiasis after bariatric surgery.

Methods: It is a prospective one year study of 444 patient  operated by obesity, of which 86% Sleeve Gastrectomy and 14% Gastric Bypass.

Follow up until 5 years. Average age 38 years, weight preop average 100 Kgs and average BMI 36.27

A total of 345 cases were  included after exclusion criterion

(previous and concomitant chlolecisthectomy and revision surgery)

All patients have ultrasound study at third month after de bariatric surgery. 163 patients lost the follow up and were discarded .Total included was 182 ( 155 sleeve and 27 Bypass )

Results: 86 patients developed Cholelithiasis ( 47%) after bariatric procedure. Women than men ratio of 2,2: 1.

Presentation with 73 % with asyntomatic cholelitiasis and 21 % with acute cholecistitis or pain

75 cases of 155 (48 %)  in  Sleeve Gastrectomy and Bypass with  11 cases of 27(40  % ).

65 % of patients under 40 years developed cholelithiasis, and older than 40 years it was 35 %.

In 65 % Cholelithiasis  were detected at first year of F.U.Obesity grade I and  II it was associated with higher prevalence of cholelithiasis compared to III-IV. 86 % and 14 % respectively.

Fast and effective  EWL were associated with increased incidence of cholelithiasis.

Conclusion: patients undergoing bariatric surgery suffer a significant incidence of cholelithiasis during the first  year.


Presented at the SAGES 2017 Annual Meeting in Houston, TX.

Abstract ID: 91662

Program Number: P191

Presentation Session: Poster Session (Non CME)

Presentation Type: Poster

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