Underwater endoscopic mucosal resection is associated with fewer recurrences and earlier curative resections compared to conventional endoscopic mucosal resection for large colorectal polyps

Background Studies comparing the efficacy and safety of conventional saline-assisted piecemeal endoscopic mucosal resection (EMR) to underwater EMR (UEMR) without submucosal lifting of colorectal polyps are lacking. The objective of this study was to compare the efficacy and safety of EMR to UEMR of...

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Veröffentlicht in:Surgical endoscopy 2017-10, Vol.31 (10), p.4174-4183
Hauptverfasser: Schenck, Robert J., Jahann, Darius A., Patrie, James T., Stelow, Edward B., Cox, Dawn G., Uppal, Dushant S., Sauer, Bryan G., Shami, Vanessa M., Strand, Daniel S., Wang, Andrew Y.
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container_end_page 4183
container_issue 10
container_start_page 4174
container_title Surgical endoscopy
container_volume 31
creator Schenck, Robert J.
Jahann, Darius A.
Patrie, James T.
Stelow, Edward B.
Cox, Dawn G.
Uppal, Dushant S.
Sauer, Bryan G.
Shami, Vanessa M.
Strand, Daniel S.
Wang, Andrew Y.
description Background Studies comparing the efficacy and safety of conventional saline-assisted piecemeal endoscopic mucosal resection (EMR) to underwater EMR (UEMR) without submucosal lifting of colorectal polyps are lacking. The objective of this study was to compare the efficacy and safety of EMR to UEMR of large colorectal polyps. Methods Two hundred eighty-nine colorectal polyps were removed by a single endoscopist from 7/2007 to 2/2015 using EMR or UEMR. 135 polyps (EMR: 62, UEMR: 73) that measured ≥15 mm and had not undergone prior attempted polypectomy were evaluated for rates of complete macroscopic resection and adverse events. 101 of these polyps (EMR: 46, UEMR: 55) had at least 1 follow-up colonoscopy and were studied for rates of recurrence and the number of procedures required to achieve curative resection. Results The rate of complete macroscopic resection was higher following UEMR compared to EMR (98.6 vs. 87.1%, p  = 0.012). UEMR had a lower recurrence rate at the first follow-up colonoscopy compared to EMR (7.3 vs. 28.3%, OR 5.0 for post-EMR recurrence, 95% CI: [1.5, 16.5], p  = 0.008). UEMR required fewer procedures to reach curative resection than EMR (mean of 1.0 vs. 1.3, p  = 0.002). There was no significant difference in rates of adverse events. Conclusions UEMR appears superior to EMR for the removal of large colorectal polyps in terms of rates of complete macroscopic resection and recurrent (or residual) abnormal tissue. Compared to conventional EMR, UEMR may offer increased procedural effectiveness without compromising safety in the removal of large colorectal polyps without prior attempted resection.
doi_str_mv 10.1007/s00464-017-5474-4
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The objective of this study was to compare the efficacy and safety of EMR to UEMR of large colorectal polyps. Methods Two hundred eighty-nine colorectal polyps were removed by a single endoscopist from 7/2007 to 2/2015 using EMR or UEMR. 135 polyps (EMR: 62, UEMR: 73) that measured ≥15 mm and had not undergone prior attempted polypectomy were evaluated for rates of complete macroscopic resection and adverse events. 101 of these polyps (EMR: 46, UEMR: 55) had at least 1 follow-up colonoscopy and were studied for rates of recurrence and the number of procedures required to achieve curative resection. Results The rate of complete macroscopic resection was higher following UEMR compared to EMR (98.6 vs. 87.1%, p  = 0.012). UEMR had a lower recurrence rate at the first follow-up colonoscopy compared to EMR (7.3 vs. 28.3%, OR 5.0 for post-EMR recurrence, 95% CI: [1.5, 16.5], p  = 0.008). UEMR required fewer procedures to reach curative resection than EMR (mean of 1.0 vs. 1.3, p  = 0.002). There was no significant difference in rates of adverse events. Conclusions UEMR appears superior to EMR for the removal of large colorectal polyps in terms of rates of complete macroscopic resection and recurrent (or residual) abnormal tissue. Compared to conventional EMR, UEMR may offer increased procedural effectiveness without compromising safety in the removal of large colorectal polyps without prior attempted resection.</description><identifier>ISSN: 0930-2794</identifier><identifier>EISSN: 1432-2218</identifier><identifier>DOI: 10.1007/s00464-017-5474-4</identifier><identifier>PMID: 28342125</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Abdominal Surgery ; Adenomatous Polyps - pathology ; Adenomatous Polyps - surgery ; Adult ; Aged ; Aged, 80 and over ; Colon ; Colonic Polyps - pathology ; Colonic Polyps - surgery ; Colonoscopy ; Colonoscopy - methods ; Colorectal Neoplasms - pathology ; Colorectal Neoplasms - surgery ; Endoscopic Mucosal Resection - methods ; Endoscopy ; Female ; Gastroenterology ; Gynecology ; Hepatology ; Humans ; Intestinal Mucosa - pathology ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Neoplasm Recurrence, Local - surgery ; Proctology ; Retrospective Studies ; Surgery</subject><ispartof>Surgical endoscopy, 2017-10, Vol.31 (10), p.4174-4183</ispartof><rights>Springer Science+Business Media New York 2017</rights><rights>Surgical Endoscopy is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-d9d92d0018b9b84c242a4a990e988f01585e64487309a8c55b4fc4e5baceeff53</citedby><cites>FETCH-LOGICAL-c372t-d9d92d0018b9b84c242a4a990e988f01585e64487309a8c55b4fc4e5baceeff53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00464-017-5474-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00464-017-5474-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28342125$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Schenck, Robert J.</creatorcontrib><creatorcontrib>Jahann, Darius A.</creatorcontrib><creatorcontrib>Patrie, James T.</creatorcontrib><creatorcontrib>Stelow, Edward B.</creatorcontrib><creatorcontrib>Cox, Dawn G.</creatorcontrib><creatorcontrib>Uppal, Dushant S.</creatorcontrib><creatorcontrib>Sauer, Bryan G.</creatorcontrib><creatorcontrib>Shami, Vanessa M.</creatorcontrib><creatorcontrib>Strand, Daniel S.</creatorcontrib><creatorcontrib>Wang, Andrew Y.</creatorcontrib><title>Underwater endoscopic mucosal resection is associated with fewer recurrences and earlier curative resections compared to conventional endoscopic mucosal resection for large colorectal polyps</title><title>Surgical endoscopy</title><addtitle>Surg Endosc</addtitle><addtitle>Surg Endosc</addtitle><description>Background Studies comparing the efficacy and safety of conventional saline-assisted piecemeal endoscopic mucosal resection (EMR) to underwater EMR (UEMR) without submucosal lifting of colorectal polyps are lacking. The objective of this study was to compare the efficacy and safety of EMR to UEMR of large colorectal polyps. Methods Two hundred eighty-nine colorectal polyps were removed by a single endoscopist from 7/2007 to 2/2015 using EMR or UEMR. 135 polyps (EMR: 62, UEMR: 73) that measured ≥15 mm and had not undergone prior attempted polypectomy were evaluated for rates of complete macroscopic resection and adverse events. 101 of these polyps (EMR: 46, UEMR: 55) had at least 1 follow-up colonoscopy and were studied for rates of recurrence and the number of procedures required to achieve curative resection. Results The rate of complete macroscopic resection was higher following UEMR compared to EMR (98.6 vs. 87.1%, p  = 0.012). UEMR had a lower recurrence rate at the first follow-up colonoscopy compared to EMR (7.3 vs. 28.3%, OR 5.0 for post-EMR recurrence, 95% CI: [1.5, 16.5], p  = 0.008). UEMR required fewer procedures to reach curative resection than EMR (mean of 1.0 vs. 1.3, p  = 0.002). There was no significant difference in rates of adverse events. Conclusions UEMR appears superior to EMR for the removal of large colorectal polyps in terms of rates of complete macroscopic resection and recurrent (or residual) abnormal tissue. 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Public Health</topic><topic>Middle Aged</topic><topic>Neoplasm Recurrence, Local - surgery</topic><topic>Proctology</topic><topic>Retrospective Studies</topic><topic>Surgery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schenck, Robert J.</creatorcontrib><creatorcontrib>Jahann, Darius A.</creatorcontrib><creatorcontrib>Patrie, James T.</creatorcontrib><creatorcontrib>Stelow, Edward B.</creatorcontrib><creatorcontrib>Cox, Dawn G.</creatorcontrib><creatorcontrib>Uppal, Dushant S.</creatorcontrib><creatorcontrib>Sauer, Bryan G.</creatorcontrib><creatorcontrib>Shami, Vanessa M.</creatorcontrib><creatorcontrib>Strand, Daniel S.</creatorcontrib><creatorcontrib>Wang, Andrew Y.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing &amp; 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Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Surgical endoscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schenck, Robert J.</au><au>Jahann, Darius A.</au><au>Patrie, James T.</au><au>Stelow, Edward B.</au><au>Cox, Dawn G.</au><au>Uppal, Dushant S.</au><au>Sauer, Bryan G.</au><au>Shami, Vanessa M.</au><au>Strand, Daniel S.</au><au>Wang, Andrew Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Underwater endoscopic mucosal resection is associated with fewer recurrences and earlier curative resections compared to conventional endoscopic mucosal resection for large colorectal polyps</atitle><jtitle>Surgical endoscopy</jtitle><stitle>Surg Endosc</stitle><addtitle>Surg Endosc</addtitle><date>2017-10-01</date><risdate>2017</risdate><volume>31</volume><issue>10</issue><spage>4174</spage><epage>4183</epage><pages>4174-4183</pages><issn>0930-2794</issn><eissn>1432-2218</eissn><abstract>Background Studies comparing the efficacy and safety of conventional saline-assisted piecemeal endoscopic mucosal resection (EMR) to underwater EMR (UEMR) without submucosal lifting of colorectal polyps are lacking. The objective of this study was to compare the efficacy and safety of EMR to UEMR of large colorectal polyps. Methods Two hundred eighty-nine colorectal polyps were removed by a single endoscopist from 7/2007 to 2/2015 using EMR or UEMR. 135 polyps (EMR: 62, UEMR: 73) that measured ≥15 mm and had not undergone prior attempted polypectomy were evaluated for rates of complete macroscopic resection and adverse events. 101 of these polyps (EMR: 46, UEMR: 55) had at least 1 follow-up colonoscopy and were studied for rates of recurrence and the number of procedures required to achieve curative resection. Results The rate of complete macroscopic resection was higher following UEMR compared to EMR (98.6 vs. 87.1%, p  = 0.012). UEMR had a lower recurrence rate at the first follow-up colonoscopy compared to EMR (7.3 vs. 28.3%, OR 5.0 for post-EMR recurrence, 95% CI: [1.5, 16.5], p  = 0.008). UEMR required fewer procedures to reach curative resection than EMR (mean of 1.0 vs. 1.3, p  = 0.002). There was no significant difference in rates of adverse events. Conclusions UEMR appears superior to EMR for the removal of large colorectal polyps in terms of rates of complete macroscopic resection and recurrent (or residual) abnormal tissue. Compared to conventional EMR, UEMR may offer increased procedural effectiveness without compromising safety in the removal of large colorectal polyps without prior attempted resection.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>28342125</pmid><doi>10.1007/s00464-017-5474-4</doi><tpages>10</tpages></addata></record>
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subjects Abdominal Surgery
Adenomatous Polyps - pathology
Adenomatous Polyps - surgery
Adult
Aged
Aged, 80 and over
Colon
Colonic Polyps - pathology
Colonic Polyps - surgery
Colonoscopy
Colonoscopy - methods
Colorectal Neoplasms - pathology
Colorectal Neoplasms - surgery
Endoscopic Mucosal Resection - methods
Endoscopy
Female
Gastroenterology
Gynecology
Hepatology
Humans
Intestinal Mucosa - pathology
Male
Medicine
Medicine & Public Health
Middle Aged
Neoplasm Recurrence, Local - surgery
Proctology
Retrospective Studies
Surgery
title Underwater endoscopic mucosal resection is associated with fewer recurrences and earlier curative resections compared to conventional endoscopic mucosal resection for large colorectal polyps
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