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Initial experience with catheter probe US when using a multibending endoscope.

Abstract：

BACKGROUND:High-frequency catheter probe US provides detailed images when the scanning plane is perpendicular to the area of interest and the latter is within the focal zone. A multibending endoscope has been developed that has two bending sections that can be deflected independently. The aim of this study was to determine whether this new endoscope enhances high-frequency catheter probe US. METHODS:High-frequency catheter probe US was performed with the multibending endoscope in 33 patients with upper-GI lesions. The endoscope was carefully maneuvered until the scanning plane was perpendicular to the area of interest and the target area was within the focal zone of the probe. The effects of deflecting the second bending section on the image and on the rotating elements in the probe were evaluated. RESULTS:For 28 lesions, no improvement was observed with use of both bending sections. However, for 5 lesions, the US image was improved by use of the second bending section. These lesions were located in the stomach on the lesser or greater curve. In no instance did deflection of both bending sections result in uneven rotation of the mechanical elements in the probe. CONCLUSIONS:For certain lesions, US images obtained with a catheter probe can be improved by using an endoscope with a second bending section.

journal_name

Gastrointest Endosc

journal_title

Gastrointestinal endoscopy

authors

Yoshida S,Tanaka S,Kamino D,Nakao M,Oka S,Kitadai Y,Hayakawa N,Haruma K,Chayama K

doi

10.1016/s0016-5107(04)01270-2

keywords:

subject

Has Abstract

pub_date

2004-06-01 00:00:00

pages

889-94

issue

7

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(04)01270-2

journal_volume

59

pub_type

杂志文章

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