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KMID : 1038120150480020136
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Clinical Endoscopy
2015 Volume.48 No. 2 p.136 ~ p.141
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Use of a Double-Channel Gastroscope Reduces Procedural Time in Large Left-Sided Colonic Endoscopic Mucosal Resections
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Voudoukis Evangelos
Tribonias Georgios
Tavernaraki Aikaterini
Theodoropoulou Angeliki
Vardas Emmanouil
Paraskeva Konstantina
Chlouverakis Gregorios
Paspatis A. Gregorios
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Abstract
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Background/Aims: Endoscopic mucosal resection (EMR) of large colorectal lesions is associated with increased procedural time. The objective of this study was to evaluate the effect of double-channel gastroscope (DCG) use on the procedural time of EMRs in the rectosigmoid area.
Methods: All EMRs for sessile or flat rectosigmoid lesions ≥2 cm performed between July 2011 and September 2012 were retrospectively analyzed.
Results: There were 55 lesions ≥2 cm in the rectosigmoid area in 55 patients, of which 26 were removed by EMR using a DCG (DC group) and 29 by using an ordinary colonoscope or gastroscope (OS group). The mean size of the removed polyps, morphology, adverse effects, and other parameters were similar between the two groups. The mean procedural time was significantly lower in the DC group than in the OS group (24.4±18.3 minutes vs. 36.3±24.4 minutes, p=0.015). Moreover, in a subgroup of patients with polyps >40 mm, the statistical difference in the mean procedural time between the DC and OS groups was even more pronounced (33±21 minutes vs. 58.7±20.6 minutes, p=0.004).
Conclusions: Our data suggest that the use of a DCG in the resection of large nonpedunculated rectosigmoid lesions significantly reduces the procedural time.
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KEYWORD
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Endoscopic mucosal resection, Double-channel gastroscope, Polypectomy, Colonoscopy
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