Endoscopic biliary drainage.

Abstract

Endoscopic biliary drainage (EBD) has become an established method of relieving posthepatic jaundice. This study comprises 399 patients in whom 472 EBD procedures were performed during a 5 year period; 272 patients had malignant obstruction, 36 had a benign stricture, 79 had common duct stones and 12 patients had other benign conditions requiring drainage. A 7F double pigtail endoprosthesis was used in the majority of patients and was inserted with an Olympus JF-1T duodenoscope. Ninety-two per cent of the prostheses were correctly positioned, and 88 per cent of these functioned well with relief of symptoms. The 30-day mortality was 22 per cent and one-third of these deaths were due to the procedure, septicaemia being the dominant hazard. This was more marked if the obstruction was not relieved satisfactorily. Antibiotic cover was not used routinely and had not been prescribed in any of the fatal cases. This omission probably made a significant contribution to the septicaemia. Acute pancreatitis and haemorrhage were rare complications and both were probably related to the coincidental sphincterotomy. Prostheses intended for permanent relief of malignant obstruction remained patent for 2-3 months (median) with a wide range of 1-618 days. Survival among these patients is so short, that one or two EBD procedures will keep the majority of patients free from symptoms related to biliary obstruction, and only two patients needed more than three procedures. Fifty-one patients with pancreatic head carcinoma had EBD as a bypass before an intended operation. Only 16 patients actually had a resection. The median survival among the 51 patients was 106 days (compared with 59 days among 100 patients with a permanent prosthetic bypass). Only one patient with a very small periampullary carcinoma has survived for more than 3 years. Forty-seven patients are dead. Among the 51 patients in whom radical resection was intended two-thirds were actually treated by permanent surgical or prosthetic bypass.