{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T11:24:46Z","timestamp":1777375486360,"version":"3.51.4"},"reference-count":20,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2010,4,14]],"date-time":"2010-04-14T00:00:00Z","timestamp":1271203200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2010,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Two surgical strategies are possible in total knee arthroplasty (TKA): a measured resection technique, in which bone landmarks are used to guide resections equal to the distal and posterior thickness of the femoral component, or a gap\u2010balancing approach, in which equal collateral ligament tension in flexion and extension is sought before and as a guide to final bone cuts. In this study performed with computer assisted system, we compared the 2 different methods in 126 patients followed prospectively in order to analyze the effect of both the techniques on joint\u2010line (JL) maintenance, axial limb restoration and components position. The gap technique showed a statistical increase in the post\u2010operative value when compared with the measured resection technique, (<jats:italic>P<\/jats:italic> = 0.008). When comparing the two groups regarding to the pre\u2010operative deformity, we have found a statistical difference (<jats:italic>P<\/jats:italic> = 0.001) in case of moderate pre\u2010operative deformity (less than 10\u00b0), and the measured resection technique showed a slight superiority in preserving a joint line more faithful to the pre\u2010operative. We found an ideal alignment for the mechanical axis (180\u00b0 \u00b1 3\u00b0) (95% of cases). In six cases (5%), the mean post\u2010operative value exceeded (varus or valgus) the ideal value by more than 3\u00b0. In the frontal plane, a good alignment was observed for both femoral and tibial components without a significant difference between the two techniques. In the sagittal plane was found more alignment variability due to the different implants used and their ideal starting slope, from 7\u00b0 to 3\u00b0. Finally, the surgeon can use the approach with which he has more confidence; however, as the measured resection technique causes less reduction in the post\u2010operative joint\u2010line position, in case of shortening of patellar tendon or patella <jats:italic>infera<\/jats:italic>, this technique is preferable.<\/jats:p>","DOI":"10.1007\/s00167-010-1124-2","type":"journal-article","created":{"date-parts":[[2010,4,13]],"date-time":"2010-04-13T13:11:36Z","timestamp":1271164296000},"page":"1304-1310","source":"Crossref","is-referenced-by-count":42,"title":["Comparison between two computer\u2010assisted total knee arthroplasty: gap\u2010balancing versus measured resection technique"],"prefix":"10.1002","volume":"18","author":[{"given":"Domenico","family":"Tigani","sequence":"first","affiliation":[{"name":"VII Department of Orthopaedic Surgery Rizzoli Orthopaedic Institute University of Bologna Via Pupilli 1 40136 Bologna Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Sabbioni","sequence":"additional","affiliation":[{"name":"VII Department of Orthopaedic Surgery Rizzoli Orthopaedic Institute University of Bologna Via Pupilli 1 40136 Bologna Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Ben Ayad","sequence":"additional","affiliation":[{"name":"VII Department of Orthopaedic Surgery Rizzoli Orthopaedic Institute University of Bologna Via Pupilli 1 40136 Bologna Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Filanti","sequence":"additional","affiliation":[{"name":"VII Department of Orthopaedic Surgery Rizzoli Orthopaedic Institute University of Bologna Via Pupilli 1 40136 Bologna Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Rani","sequence":"additional","affiliation":[{"name":"VII Department of Orthopaedic Surgery Rizzoli Orthopaedic Institute University 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