Double Channel ESD method using EEMR-tube for superficial carcinoma of the esophagus

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  • Chino Osamu
    Department of Surgery, Tokai University School of Medicine, Tokyo Hospital
  • Shimada Hideo
    Department of Surgery, Tokai University School of Medicine, Oiso Hospital
  • Ozawa Soji
    Department of Surgery, Tokai University School of Medicine
  • Makuuchi Hiroyasu
    Tokai University School of Medicine

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Other Title
  • 食道表在癌に対するEEMR-tube併用Double-channel ESD法の手技

Abstract

<p> ESD was performed for 118 cases of superficial esophageal carcinoma (144 lesions) . Of the cases, 110 lesions (76.4%) were treated using the double channel (DC) ESD with the Clutch Cutter and an EEMR-tube. En bloc resection was possible in 100% of the cases, which prevented bleeding. However, perforation occurred in 2 cases (1.3%) , which were treated conservatively. The DC method with the EEMR-tube did not cause any perforations. Complete resection was performed in 95.8% of cases without local recurrence or metastasis. The DC method with the EEMR-tube allows for countertraction by grasping the cut end with fine V-shaped forceps through the side channel. This method allows endoscopists to 1) create a better operative field, 2) maintain a good stable view, 3) change the retraction direction by rotating the EEMR-tube, 4) alter the retraction point during the procedure, 5) avoid interrupting the procedure by alternating between the forceps and the devices, 6) easily detect vascular structure and stop bleeding. The procedure should be performed under general anesthesia in an operating room to avoid respiratory complications and limit the stress on endoscopists.</p>

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