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The use of perioperative antibiotic prophylaxis in the treatment of acute cholecystitis, a randomized, multicenter, non-inferiority trial

To provide high level of evidence that omitting perioperative antibiotic prophylaxis does not increase the postoperative infection rate, in patients with acute calculous cholecystitis undergoing laparoscopic cholecystectomy.

Kumar clamp versus Olsen cAtheter for Laparoscopic intraoperative cholAngiography (KOALA)

To assess whether cholangiography using the Kumar clamp is faster and easier than using the Olsen catheter.

Diagnostic accuracy of MRI for gallbladder polyps;
a prospective diagnostic pilot study

Primairy objective: To determine the diagnostic accuracy of MRI for the (differential) diagnosis of GB polyps and the differentiation between true and pseudo polyps in patients with suspected GB polyp(s) on previous imaging modality (TAUS) by using…

Ursodeoxycholic acid for the prevention of symptomatic gallstone disease after Roux-en-Y Gastric Bypass and Sleeve Gastrectomy.

This study is designed to provide evidence regarding the prophylactic use of UDCA in preventing symptomatic gallstone disease after RYGB and Sleeve Gastrectomy.