{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T06:28:52Z","timestamp":1790404132875,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2018,12,3]],"date-time":"2018-12-03T00:00:00Z","timestamp":1543795200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2018,12,3]],"date-time":"2018-12-03T00:00:00Z","timestamp":1543795200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>In the present study, the early results of sensor\u2010assisted versus manually balanced posterior\u2010stabilized total knee arthroplasty (TKA) for osteoarthritis with varus deformities were prospectively compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fifty patients undergoing sensor\u2010assisted TKA (group S) and 50 patients receiving manually balanced TKA (group M) were prospectively compared. The groups did not differ in terms of demographics, preoperative clinical status, or severity of deformity. The knee and function scores (KS and FS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and range of motion (ROM) were evaluated clinically. The mechanical axes and positions of components were assessed radiographically. In sensor\u2010assisted TKA, the medial and lateral compartment loads were compared based on the patellar positions of inversion and eversion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was no between\u2010group difference in the postoperative KS or FS (n.s., respectively). The average postoperative WOMAC score was 17.0\u00a0in group S and 18.0\u00a0in group M (n.s.). The ROM was 131.2\u00b0 in group S and 130.8\u00b0 in group M (n.s.). Neither the postoperative alignment of the mechanical axis nor the component positioning differed between the groups (n.s.). In sensor\u2010assisted TKA, the difference between the medial and lateral compartment loads was less than 15\u00a0lbs (6.8\u00a0kg) in each knee. The lateral compartment load increased after patellar eversion (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>There are concerns about the cost\u2013benefit ratio of the intraoperative load sensor, despite its advantage of more precisely assessing ligament balance without patellar eversion, which resulted in a smaller lateral gap. A long\u2010term follow\u2010up study with a large cohort is required.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>II.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-018-5314-7","type":"journal-article","created":{"date-parts":[[2018,12,3]],"date-time":"2018-12-03T05:29:15Z","timestamp":1543814955000},"page":"1671-1679","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["An intraoperative load sensor did not improve the early postoperative results of posterior\u2010stabilized TKA for osteoarthritis with varus deformities"],"prefix":"10.1002","volume":"27","author":[{"given":"Sang Jun","family":"Song","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery, College of Medicine Kyung Hee University Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Se 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This study was approved by the Institutional Review Board of our hospital.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"A informed consent form was signed by each patient.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}