BACKGROUND: The methods for preventing post-polypectomy bleeding (PPB) are not standardised and there are groups that use hemoclips for this purpose. OBJECTIVE: To study whether the use of hemoclips reduces PPB complications. MATERIALS AND METHODS: Prospective, randomised study of patients with pedunculated polyps larger than 10 mm. The patients were included in two groups (hemoclip before polypectomy -HC- and standard polypectomy -SP-). This study has been registered with the trial registration number NCT01565993. RESULTS: 105 polypectomies were performed (98 patients), 66 (62.9%) in the HC group. The total rate of complications was 10,6% in the HC group (4.5% early bleeding, 1.5% severe delayed bleeding, 4,5% mucosal burns, 1.5% perforation). In the SP group, the rate of total complications was 7,7%, (7,7% early bleeding, no significant differences). In view of the unexpected increase in the morbidity of the hemoclip group, the study was suspended without reaching the sample size. In an ad hoc analysis, which includes the standard polypectomy patients who refused to participate in the study (35 polyps), the total morbidity was 5,7% (no perforations and 2 patients with premature bleeding).When we compared the morbidity of the HC group to the morbidity of SP group plus R group (74 polyps), we also failed to detect any significant differences in terms of PPB, but did in terms of perforation. CONCLUSION: The prophylactic use of hemoclips in polypectomies of large pedunculated polyps leads to a further risk of mucosal burns and perforation that is not acceptable, and does not reduce the risk of PPB.
RCT Entities:
BACKGROUND: The methods for preventing post-polypectomy bleeding (PPB) are not standardised and there are groups that use hemoclips for this purpose. OBJECTIVE: To study whether the use of hemoclips reduces PPB complications. MATERIALS AND METHODS: Prospective, randomised study of patients with pedunculated polyps larger than 10 mm. The patients were included in two groups (hemoclip before polypectomy -HC- and standard polypectomy -SP-). This study has been registered with the trial registration number NCT01565993. RESULTS: 105 polypectomies were performed (98 patients), 66 (62.9%) in the HC group. The total rate of complications was 10,6% in the HC group (4.5% early bleeding, 1.5% severe delayed bleeding, 4,5% mucosal burns, 1.5% perforation). In the SP group, the rate of total complications was 7,7%, (7,7% early bleeding, no significant differences). In view of the unexpected increase in the morbidity of the hemoclip group, the study was suspended without reaching the sample size. In an ad hoc analysis, which includes the standard polypectomy patients who refused to participate in the study (35 polyps), the total morbidity was 5,7% (no perforations and 2 patients with premature bleeding).When we compared the morbidity of the HC group to the morbidity of SP group plus R group (74 polyps), we also failed to detect any significant differences in terms of PPB, but did in terms of perforation. CONCLUSION: The prophylactic use of hemoclips in polypectomies of large pedunculated polyps leads to a further risk of mucosal burns and perforation that is not acceptable, and does not reduce the risk of PPB.
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