title: Patellar tracking after total knee arthroplasty performed without lateral release.
abstract: There is limited clinical data on patellar maltracking in patients who have undergone total knee arthroplasty (TKA) without lateral release. We performed a retrospective review of 191 consecutive TKAs performed by one surgeon through the subvastus approach without lateral release from 2007 to 2008. Radiographic measurements were made using the preoperative and postoperative 2 years radiographs. Multivariate logistic regression analysis was performed to determine the risk factors for patellar maltracking after TKA performed without lateral release. TKA resulted in increases in the patellar tilt and displacement (P<0.05). The presence of preoperative patellar tilt and displacement were predictive of postoperative patellar tilt and displacement in patients who underwent TKA through the subvastus approach without lateral release (P<0.05).
authors: Department of Orthopedic Surgery, Uijongbu St. Mary's Hospital, The Catholic University of Korea, Uijongbu-Si, Kyonggi-Do, Republic of Korea.
authors: Chae-Gwan
authors: CG
authors: Kong
authors: Hyun-Min
authors: HM
authors: Cho
authors: Kyung-Hwan
authors: KH
authors: Suhl
authors: Min-Up
authors: MU
authors: Kim
authors: Yong
authors: Y
authors: In
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007593:Joint Instability / Q000000981:diagnostic imaging / Q000517:prevention & control*; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D010329:Patella / Q000601:surgery*; D011859:Radiography; D012189:Retrospective Studies; D016896:Treatment Outcome