{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T23:52:29Z","timestamp":1783036349464,"version":"3.54.6"},"reference-count":17,"publisher":"Georg Thieme Verlag KG","issue":"04","funder":[{"name":"Thailand Science Research and Innovation Fund Chulalongkorn University","award":["CU_FRB65_hea (16)_023_30_04"],"award-info":[{"award-number":["CU_FRB65_hea (16)_023_30_04"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Knee Surg"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A continuous adductor canal block (cACB) for pain control in total knee arthroplasty (TKA) is always performed by an anesthesiologist. A surgeon-performed cACB during surgery is somewhat questionable in terms of feasibility, reproducibility, and efficacy. This study was divided into two phases. In Phase 1 study, an experimental dissection of 16 cadaveric knees to expose the saphenous nerve and related muscles around the adductor canal was conducted. The extent of dye after injection via a catheter inserted into the adductor canal at the time of TKA was evaluated. In Phase II, a randomized controlled trial study comparing clinical outcomes between surgeon-performed (Group 1) and anesthesiologist-performed cACB (Group 2) during TKA in 63 patients was evaluated. The visual analogue scale (VAS) at rest and during movement at several time points and functional outcomes during hospitalization were compared. The Phase I study demonstrated surgeon-performed cACB during surgery feasible and reproducible with consistent dye extension into the adductor canal after injection via a catheter. In the Phase II study, 29 patients of Group 1 and 30 patients of Group 2 completed the evaluation with no differences in baseline parameters. The VAS during movement at 24 and 36\u2009hours, quadriceps strength, time up and go test, and knee motion at different time points, and total morphine consumption showed no differences between both groups. There were no procedure-related complications. The surgeon-performed cACB during surgery was feasible and reproducible with similar VAS scores and functional outcomes during hospitalization to anesthesiologist cACB. Level of evidence is Level I, prospective randomized trial.<\/jats:p>","DOI":"10.1055\/a-2062-0264","type":"journal-article","created":{"date-parts":[[2023,3,27]],"date-time":"2023-03-27T23:07:15Z","timestamp":1679958435000},"page":"282-290","source":"Crossref","is-referenced-by-count":4,"title":["Intraoperative Surgeon-Performed versus Conventional Anesthesiologist-Performed Continuous Adductor Canal Block in Total Knee Arthroplasty: A Randomized Controlled Trial"],"prefix":"10.1055","volume":"37","clinical-trial-number":[{"clinical-trial-number":"tctr20210129005","registry":"10.18810\/tctr"}],"author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0912-2229","authenticated-orcid":false,"given":"Chayut","family":"Chaiperm","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"},{"name":"Department of Orthopaedics, Bhumibol Adulyadej Hospital, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9634-8893","authenticated-orcid":false,"given":"Chotetawan","family":"Tanavalee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"},{"name":"Biologics for Knee Osteoarthritis Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wirinaree","family":"Kampitak","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chavarin","family":"Amarase","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"},{"name":"Biologics for Knee Osteoarthritis Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Srihatach","family":"Ngarmukos","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"},{"name":"Biologics for Knee Osteoarthritis Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aree","family":"Tanavalee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, King Chulalongkorn Memorial Hospital and Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"},{"name":"Biologics for Knee Osteoarthritis Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2023,4,18]]},"reference":[{"issue":"03","key":"ref1","doi-asserted-by":"crossref","first-page":"e0173107","DOI":"10.1371\/journal.pone.0173107","article-title":"Postoperative pain treatment after total knee arthroplasty: a systematic review","volume":"12","author":"A P Karlsen","year":"2017","journal-title":"PLoS One"},{"issue":"12","key":"ref2","doi-asserted-by":"crossref","first-page":"2872","DOI":"10.1016\/j.arth.2019.06.055","article-title":"Anesthesia and analgesia practices in total joint arthroplasty: a survey of the American Association of Hip and Knee Surgeons Membership","volume":"34","author":"C P Hannon","year":"2019","journal-title":"J Arthroplasty"},{"issue":"07","key":"ref3","doi-asserted-by":"crossref","first-page":"2466","DOI":"10.1016\/j.arth.2021.02.044","article-title":"Early postoperative pain after total knee arthroplasty is associated with subsequent 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Li","year":"2016","journal-title":"Int Orthop"},{"issue":"12","key":"ref7","first-page":"e6331","article-title":"Comparison of adductor canal block and femoral nerve block for early ambulation after primary total knee arthroplasty: a randomized controlled trial","volume":"11","author":"P Kukreja","year":"2019","journal-title":"Cureus"},{"issue":"10","key":"ref8","first-page":"CD012262","article-title":"Adductor canal blocks for postoperative pain treatment in adults undergoing knee surgery","volume":"2019","author":"A Schnabel","year":"2019","journal-title":"Cochrane Database Syst Rev"},{"issue":"S 05","key":"ref9","doi-asserted-by":"crossref","first-page":"S717","DOI":"10.1016\/j.jcot.2020.05.044","article-title":"Analgesic effectiveness of local infiltrative analgesia alone versus combined single dose adductor canal block with local infiltrative analgesia: a single centre case control study","volume":"11","author":"S Agarwala","year":"2020","journal-title":"J Clin Orthop 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