Long-term follow-up of common bile duct diameter after endoscopic sphincterotomy in patients with common bile duct stones.
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Date
2010-01
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Abstract
Background and Aims To determine the time to normalization of common bile duct (CBD) diameter after endoscopic sphincterotomy and stone extraction in patients with choledocholithiasis.
Methods Patients with CBD dilation due to choledocholithiasis
were enrolled. CBD diameter was measured by
transabdominal ultrasonography before, and repeated after one,
three, six and twelve months after endoscopic sphincterotomy
and stone extraction, until normalization of CBD diameter.
Results Of 115 cases enrolled over a 36-month period, CBD
diameter reversed to normal in 71 (61.7%) patients after one
month. Of the remaining 44 patients, CBD diameter reversed
to normal in 36 patients (including 3 in whom repeat ERCP
revealed choledocholithiasis) at the end of three months.
CBD diameter had not reversed to normal diameter in 8
(18.2%) patients; none of these patients had symptoms. Two
of them had asymptomatic dilated CBD after 6 months with
no abnormal liver function tests (LFT); the duct reversed to
normal at the last follow-up (month 12).
Conclusions Asymptomatic CBD dilation may persist in
a minority of patients (18% at the end of 3 months) after
removal of CBD stones. A dilated CBD can be attributed to
retained choledocholithiasis within the first month, if it is associated with symptoms and abnormal LFT.
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Keywords
Cholangiopancreatography endoscopic retrograde, choledocholithiasis, sphincterotomy
Citation
Kolahdoozan Shadi, Sotoudehmanesh Rasoul, Khatibian Morteza, Ali-Asgari Ali, Shahraeeni Shadi, Zeinali Fatemeh. Long-term follow-up of common bile duct diameter after endoscopic sphincterotomy in patients with common bile duct stones. Indian Journal of Gastroenterology. 2010 Jan-Feb; 29(1): 28-31.