title: [CORRECTION OF VARUS KNEE WITH REDUCTION OSTEOTOMY DURING TOTAL KNEE ARTHROPLASTY].
abstract: OBJECTIVE
  To evaluate the effectiveness of reduction osteotomy for correction of varus knee during total knee arthroplasty.
  
  
  METHODS
  A retrospective analysis was made on the clinical data of 16 patients (24 knees) who received reduction osteotomy for correcting varus knee during total knee arthroplasty between May 2010 and July 2012. There were 2 males (3 knees) and 14 females (21 knees), with an average age of 67 years (range, 57-79 years). The disease duration ranged from 3 to 15 years (mean, 9.1 years). The Knee Society Score (KSS) was 38.71 ± 10.04 for clinical score and 50.31 ± 14.31 for functional score. The range of motion (ROM) of the knee was (91.88 ± 13.01). The tibiofemoral angle was (9.04 ± 4.53)° of varus deformity. Reduction osteotomy was applied to correct varus knee.
  
  
  RESULTS
  The operation time was 85-245 minutes (mean, 165.5 minutes); the obvious blood loss was 10-800 mL (mean, 183.1 mL); the hospitalization time was 8-22 days (mean, 13.6 days). All incisions healed by first intention. No neurovascular injury or patellar fracture occurred. The follow-up duration ranged from 37 to 62 months (mean, 48 months). The tibiofemoral angle was corrected to (3.92 ± 1.89)° of valgus at 48 hours after operation. The lower limb alignment recovered to normal. The X-ray films showed no evidence of obvious radiolucent line, osteolysis, or prosthesis subsidence. The results of KSS were significantly improved to 84.21 ± 6.49 for clinical score and 85.31 ± 6.95 for functional score (t = 20.665, P = 0.000; t = 9.585, P = 0.000); and ROM of the knee was significantly increased to (105.83 ± 11.29)° (t = 8.333, P = 0.000) at last follow-up.
  
  
  CONCLUSIONS
  The effectiveness of reduction osteotomy for varus knee deformity during total knee arthroplasty is satisfactory. Proper alignment, ROM, and function of knee can be achieved.
authors.forename: Weiping
authors.initials: W
authors.lastname: Su
authors.forename: Jie
authors.initials: J
authors.lastname: Xie
authors.forename: Mingqing
authors.initials: M
authors.lastname: Li
authors.forename: Min
authors.initials: M
authors.lastname: Zeng
authors.forename: Pengfei
authors.initials: P
authors.lastname: Lei
authors.forename: Long
authors.initials: L
authors.lastname: Wang
authors.forename: Yihe
authors.initials: Y
authors.lastname: Hu
mesh_terms: D019645:Arthroplasty, Replacement, Knee; D001847:Bone Diseases; D005260:Female; D006801:Humans; D007717:Knee; D007719:Knee Joint / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D007720:Knee Prosthesis; D035002:Lower Extremity; D008297:Male; D061646:Operative Time; D020370:Osteoarthritis, Knee / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D010027:Osteotomy; D011859:Radiography; D016059:Range of Motion, Articular; D020127:Recovery of Function; D012189:Retrospective Studies; D013977:Tibia / Q000002:abnormalities / Q000000981:diagnostic imaging / Q000601:surgery*; D016896:Treatment Outcome