{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T23:52:22Z","timestamp":1783036342616,"version":"3.54.6"},"reference-count":27,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2012,8,15]],"date-time":"2012-08-15T00:00:00Z","timestamp":1344988800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Asan Institute for Life Sciences","award":["2011-069"],"award-info":[{"award-number":["2011-069"]}]},{"name":"Korea Health 21 R&D Project","award":["A062254"],"award-info":[{"award-number":["A062254"]}]},{"name":"Center for Development and Commercialization of Anti-Cancer Therapeutics","award":["A102059"],"award-info":[{"award-number":["A102059"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Robotics Computer Surgery"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Although open resection using a sphincter\u2010saving operation (SSO) remains the standard of care for rectal cancer, few studies have compared open and robot\u2010assisted (RA) SSOs. This study aimed to compare the operative features, functional outcomes, and oncological validity of open and RA SSO for rectal cancer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 200 rectal cancer patients undergoing curative SSO were enrolled prospectively. The open and RA groups (n\u2009=\u2009100, respectively) were matched for clinical stage and operation type.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean operation time was significantly longer in the RA group than in the open group (188 vs. 103\u2009min, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001), but it was significantly reduced in the latter half of the RA patients compared with that in the first half (164 vs. 214\u2009min, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The mean distal resection margin was significantly longer in the RA than in the open group (2.7 vs. 1.9\u2009cm; <jats:italic>P<\/jats:italic>\u2009=\u20090.001), but only one patient in either group had positive circumferential resection margin. Bowel peristalsis returned one day earlier in the RA than in the open group (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). Postoperative complication rates and anorectal functional outcomes were comparable between the two groups. The operator's physical discomfort, assessed on a visual analog scale, was significantly lower in the RA than in the open group (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>According to this short\u2010term study, the RA SSO showed equivalent oncological safety, functional outcome, and morbidities to open SSO. Although the operation takes longer, the robotic system enables a technically versatile SSO with fine dissection in a limited surgical field. Copyright \u00a9 2012 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/rcs.1452","type":"journal-article","created":{"date-parts":[[2012,8,15]],"date-time":"2012-08-15T09:05:09Z","timestamp":1345021509000},"page":"468-475","source":"Crossref","is-referenced-by-count":36,"title":["Open versus robot\u2010assisted sphincter\u2010saving operations in rectal cancer patients: techniques and comparison of outcomes between groups of 100 matched patients"],"prefix":"10.1002","volume":"8","author":[{"given":"Jin C.","family":"Kim","sequence":"first","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sung S.","family":"Yang","sequence":"additional","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tae Y.","family":"Jang","sequence":"additional","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Y.","family":"Kwak","sequence":"additional","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Myung J.","family":"Yun","sequence":"additional","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seok B.","family":"Lim","sequence":"additional","affiliation":[{"name":"Medical Faculties and Associates, Department of Surgery University of Ulsan College of Medicine and Institute of Innovative Cancer Research, Asan Medical Center  Seoul 138\u2010736 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,8,15]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2007.08.007"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-984865"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/rcs.1432"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11605-011-1547-1"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/bjs.7160"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-010-0909-3"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-009-0435-3"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-010-1243-3"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/DCR.0b013e3182060152"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-010-1166-z"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0b013e318070d587"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00595-011-0048-x"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11701-007-0016-z"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02050307"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/DCR.0b013e3181b13536"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-010-1134-7"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0b013e3181c79114"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-007-9544-z"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-008-0184-6"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11605-010-1165-3"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2007.12.7027"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1093\/jnci\/93.8.583"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1002\/ssu.8"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/s003840050158"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9610(00)00252-X"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1445-2197.2004.02954.x"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02554748"}],"container-title":["The 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