Abstract:
BACKGROUND:Common bile duct stenosis occurs in up to 30% of patients with chronic pancreatitis. Most such stenoses are found incidentally during ERCP, but others manifest as obstructive jaundice, recurrent cholangitis, secondary biliary cirrhosis, or choledocholithiasis. Operative drainage has been the main treatment despite the potentially high morbidity in patients with chronic pancreatitis. Endoscopic biliary drainage with a single stent has been successful in the short term. The aim of this study was to determine the long-term benefit of a single stent vs. multiple simultaneous stents for treatment of patients with chronic pancreatitis and symptoms because of distal common bile duct stenosis. METHODS:Twelve consecutive patients with chronic pancreatitis and common bile duct stenosis underwent endoscopic placement of multiple simultaneous stents and were followed prospectively (Group II). Results were compared with a group of 34 patients in whom a single stent was placed before the start of the present study (Group I). All 46 patients (35 men, 11 women; age range 30-71 years) had chronic pancreatitis and common bile duct stenosis, and presented with symptoms indicative of obstruction (abdominal pain, jaundice, elevated biochemical tests of liver function, acute pancreatitis, cholangitis). The 34 patients in Group I had single stent (10F, 7-9 cm) placement, with exchange at 3 to 6 month intervals (1-4 exchanges) over a mean of 21 months. The 12 patients in Group II underwent placement of multiple simultaneous stents at 3-month intervals (single 10F stents added sequentially) over a mean of 14 months. Mean follow-up was 4.2 years in Group I and 3.9 years for Group II. Factors assessed included symptoms, biochemical tests of liver function, diameter of common bile duct stenosis, and complications. RESULTS:In Group I, (34 patients), a total of 162 single stent placement/exchanges were performed (mean 5/patient). In Group II (12 consecutive patients), 8 patients had 4 (10F) stents placed simultaneously, and 4 patients had 5 (10F) stents. At the end of the treatment period, near normalization of biochemical tests of liver function was observed for all patients in Group II, whereas only marginal benefit was noted for patients in Group I. Four patients in Group I had recurrent cholangitis (6 episodes), whereas no patient in Group II had post-procedure cholangitis. In the 12 patients with multiple stents, distal common bile duct stenosis diameter increased from a mean of 1.0 mm to 3.0 mm after treatment; no change in diameter was noted in patients treated with a single stent. CONCLUSIONS:Distal common bile duct stenosis secondary to chronic pancreatitis can be treated long term by stent placement. Multiple, simultaneous stents appear to be superior to single stent placement and may provide good long-term benefit. The former resulted in near normalization of biochemical tests of liver function and an increase in distal common bile duct diameter. Multiple stent placement may obviate the need for surgical diversion procedures.
journal_name
Gastrointest Endoscjournal_title
Gastrointestinal endoscopyauthors
Catalano MF,Linder JD,George S,Alcocer E,Geenen JEdoi
10.1016/s0016-5107(04)02275-8keywords:
subject
Has Abstractpub_date
2004-12-01 00:00:00pages
945-52issue
6eissn
0016-5107issn
1097-6779pii
S0016-5107(04)02275-8journal_volume
60pub_type
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