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KMID : 1188320100040010076
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Gut and Liver
2010 Volume.4 No. 1 p.76 ~ p.83
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Feasibility of the Mucosa-Tracking Technique in Precut Papillotomy with the Iso-Tome as an Alternative to the Needle-Knife Technique
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Park Sang-Heum
Park Do-Hyun
Lee Tae-Hoon
Lee Ho-Sung
Lee Yong-Sub
Lee Sae-Hwan
Lee Chang-Kyun
Lee Suck-Ho
Chung Il-Kwun
Kim Hong-Soo
Lee Hyo-Jin
Kim Sun-Joo
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Abstract
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Background/Aims: The aim of this study was to evaluate whether the mucosa-tracking technique is effective for improving precutting-related pancreatitis and the sustained failure of bile duct cannulation in precut papillotomy (PP) with the Iso-Tome (MTW Endoskopie).
Methods: From September 2004 to June 2006, PP was performed with the Iso-Tome if biliary cannulation failed by conventional methods for approximately 5 minutes. The pink intrapapillary mucosa (PIPM) exposed by PP was tracked and classified into four groups: fully exposed and oriented to the direction of the bile duct (group A) or the pancreatic duct (group B), partially exposed (group C), or unexposed (group D). The success rate of bile duct cannulation (SRBC), the procedure time required for successful bile duct cannulation (PTBC), and the complications in the first session were compared between the mucosa-exposed groups (MEGs; group A, B, and C) and the mucosa-unexposed group (MUEG; group D).
Results: A total of 59 patients (25 females, 34 males) with a mean age of 65.2 years were enrolled. The MEGs and MUEG comprised 52 (88.1%) and 7 (11.9%) patients, respectively. SRBC in the first session was 86.4% (51/59) in total and 92.3% (48/52) in the MEGs, compared to only 42.9% (3/7) in the MUEG (p=0.005). The mean PTBC in the MEGs and MUEG was 8.7 minutes and 16.3 minutes, respectively (p=0.23). Complications occurred in 6.8% of the patients (4/59; all pancreatitis); there were no differences between the MEGs (5.8%, 3/52) and MUEG (14.3%, 1/7; p=0.41). All four patients with pancreatitis were managed medically.
Conclusions: The mucosa-tracking technique in PP with the Iso-Tome is a feasible and useful method of enhancing SRBC. PIPM is an important endoscopic landmark for successful PP.
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KEYWORD
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Precut papillotomy, Iso-Tome, Mucosa- tracking technique, Pink intrapapillary mucosa
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