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Direct dissolution of gallstones with methyl tert-butyl ether (MTBE) via endoscopic transpapillary catheterization in the gallbladder (ETCG)



Direct dissolution of gallstones with methyl tert-butyl ether (MTBE) via endoscopic transpapillary catheterization in the gallbladder (ETCG)



Journal of Gastroenterology 29(4): 486-494



In a pilot study of direct dissolution therapy of gallstones with methyl tert-butyl ether (MTBE), endoscopic transpapillary catheterization in the gallbladder (ETCG) was performed. Complete dissolution was seen in 8 out of 12 (66%) patients and partial dissolution was seen in 2 (16%) patients. In one of the 8 complete dissolution patients, combined extracorporeal shock wave lithotripsy (ESWL) and dissolution therapy was carried out successfully. These 8 patients were followed up for 12-20 months with regular ultrasonography. During this period, 1 patient underwent laparoscopic cholecystectomy due to stone recurrence. Thickening of the gallbladder wall was seen in 2 patients, but there were no other complications. Using Tsuchiya's classification based on ultrasound, complete dissolution was seen in type Ia stones. This pilot study suggests that the direct dissolution of gallstones with MTBE via ETCG might be a useful and safe non-invasive treatment in patients with cholesterol stones in preserved gallbladders.

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Accession: 045797739

Download citation: RISBibTeXText

PMID: 7951860

DOI: 10.1007/bf02361248


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