{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T10:14:51Z","timestamp":1780049691677,"version":"3.53.1"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2022,3,15]],"date-time":"2022-03-15T00:00:00Z","timestamp":1647302400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Annals of Gastroent Surgery"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>Sphincter\u2010preserving operations for ultra\u2010low rectal cancer include low anterior and intersphincteric resection. In low anterior resection, the distal rectum is divided by a transabdominal approach, which is technically demanding. In intersphincteric resection, a perineal approach is used. We aimed to evaluate whether robotic\u2010assisted surgery is technically superior to laparoscopic surgery for ultra\u2010low rectal cancer. We compared the frequency of low anterior resection in cases of sphincter\u2010preserving operations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>We investigated 183 patients who underwent sphincter\u2010preserving robotic\u2010assisted or laparoscopic surgery for ultra\u2010low rectal cancer (lower border within 5\u00a0cm of the anal verge) between April 2010 and March 2020. The frequency of low anterior resection was compared between laparoscopic and robotic\u2010assisted surgeries. The clinicopathological factors associated with an increase in performing low anterior resection were analyzed by multivariate analyses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Overall, 41 (22.4%) and 142 (77.6%) patients underwent laparoscopic and robotic\u2010assisted surgery, respectively. Patient characteristics were similar between the groups. Low anterior resection was done significantly more frequently in robotic\u2010assisted surgery (67.6%) than in laparoscopic surgery (48.8%) (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.04). Multivariate analyses showed that tumor distance from the anal verge (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;\u00a00.01) and robotic\u2010assisted surgery (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.02) were significantly associated with an increase in the performance of low anterior resection. The rate of postoperative complications or pathological results was similar between the groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Compared with laparoscopic surgery, robotic\u2010assisted surgery significantly increased the frequency of low anterior resection in sphincter\u2010preserving operations for ultra\u2010low rectal cancer. Robotic\u2010assisted surgery has technical superiority over laparoscopic surgery for ultra\u2010low rectal cancer treatment.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ags3.12564","type":"journal-article","created":{"date-parts":[[2022,3,15]],"date-time":"2022-03-15T11:08:44Z","timestamp":1647342524000},"page":"643-650","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Comparison between robotic\u2010assisted and laparoscopic sphincter\u2010preserving operations for ultra\u2010low rectal cancer"],"prefix":"10.1002","volume":"6","author":[{"given":"Tadahiro","family":"Kojima","sequence":"first","affiliation":[{"name":"Division of Colon and Rectal Surgery Shizuoka Cancer Center  Shizuoka 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