{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T20:40:05Z","timestamp":1782506405585,"version":"3.54.5"},"reference-count":26,"publisher":"Korean Society of Cerebrovascular Surgeons\/Korean Society of Endovascular Surgery","issue":"3","license":[{"start":{"date-parts":[[2023,5,16]],"date-time":"2023-05-16T00:00:00Z","timestamp":1684195200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["the-jcen.org"],"crossmark-restriction":true},"short-container-title":["J Cerebrovasc Endovasc Neurosurg"],"published-print":{"date-parts":[[2023,9,30]]},"abstract":"<jats:p>Objective: Microvascular anastomosis, particularly side-to-side (STS) bypass, is a complex surgical procedure. While several suture techniques exist, none of them is superior to the others. We assessed the association between various STS bypass techniques and vessel twisting using chicken wing training models.Methods: Three suture techniques were compared over an anterior wall suture procedure. The unidirectional continuous suture (UCS) group used a downward \u201cright-to-left\u201d continuous suture. The reverse continuous suture (RCS) group used a downward \u201cleft-to-right\u201d continuous suture. The interrupted suture (IS) group used the standard interrupted suture. The number of samples in each of the three groups was 30 (n=90). We compared the incidence of vessel twisting and rotation angles across groups.Results: Vessel twisting occurred in 96.7%, 56.7%, and 0% of the cases in the UCS, IS, and RCS groups, respectively. The incidence of vessel twisting differed significantly in all 3 groups (&lt;i&gt;p&lt;\/i&gt;&lt;0.001), with an apparent trend (&lt;i&gt;p&lt;\/i&gt;=0.002). The mean rotation angles were 201\u02da\u00b190.6\u02da, 102\u02da\u00b1107.6\u02da, and 0\u02da in the UCS, IS, and RCS groups, respectively, which were significantly different (&lt;i&gt;p&lt;\/i&gt;&lt;0.001). On excluding cases without twisting, the rotation angles of twisted vessels in the UCS and IS groups were 207.9\u02da\u00b183.7\u02da and 180\u02da\u00b177.9\u02da, respectively, which yielded a significant difference between these groups (&lt;i&gt;p&lt;\/i&gt;&lt;0.001).Conclusions: We found that the incidence and trend of vessel twisting differed significantly across suture techniques. The RCS technique may aid in preventing vessel twisting in the STS bypass procedure.<\/jats:p>","DOI":"10.7461\/jcen.2023.e2023.01.005","type":"journal-article","created":{"date-parts":[[2023,5,15]],"date-time":"2023-05-15T23:42:38Z","timestamp":1684194158000},"page":"260-266","update-policy":"https:\/\/doi.org\/10.7461\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["A comparison study of vessel twisting by different microsurgical suture techniques in a chicken wing artery side to side bypass training 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