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Gastrointest Endosc. 1998 Jan;47(1):28-32.

Influence of biliary drainage catheter on bile duct wall thickness as measured by intraductal ultrasonography.

Author information

1
Department of Gastroenterology, Jichi Medical School, Yakushiji, Tochigi, Japan.

Abstract

OBJECTIVE:

To determine the influence of biliary drainage catheter placement on bile duct wall thickness, we performed intraductal ultrasonography (IDUS) in patients before and after biliary drainage.

METHODS:

Patients underwent IDUS before and after either short-term (n = 9, 6 to 8 days) or long-term (n = 9, 14 to 35 days) biliary drainage using a thin (2.0 mm diameter), 20 MHz probe inserted by means of a transpapillary route or a percutaneous tract. The bile duct wall thickness (mean +/- standard deviation) was retrospectively measured at the upper portion of the common hepatic duct.

RESULTS:

The bile duct wall thickness increased from 0.8+/-0.4 mm (predrainage) to 2.0+/-1.6 mm (post-drainage) in the long-term group (p < 0.001) but was not significantly increased in the short-term group.

CONCLUSIONS:

The bile duct wall thickness as measured on IDUS appears to be increased after placement of biliary drainage catheters.

PMID:
9468420
DOI:
10.1016/s0016-5107(98)70295-0
[Indexed for MEDLINE]

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