title: Functional outcomes after patellar autologous osteochondral transplantation.
abstract: OBJECTIVE
  The aim of the present study was to assess clinical evaluation of patients who underwent autologous osteochondral transplantation of the patella.
  
  
  METHODS
  This prospective study assessed outcomes of 20 patients who underwent patellar autologous osteochondral transplantation at four time-points: preoperatively, 3 days, 6 months, and 2 years after surgery. The following outcomes were assessed at each time-point: pain (VAS), gait, swelling, trophic status, muscle strength, patellar mobility, and range of motion. The Tegner scale was also applied for each time-point.
  
  
  RESULTS
  All parameters improved, except for patellar mobility, which did not show any change. Pain score decreased from 7.1 (SD 2.3) to 2.4 (SD 2.6) at the 2-year assessment; limping decreased from 70 % before surgery to 15 % 2 years later; swelling scores decreased from an average of 1.8 (SD 0.8) 3 days after surgery to 0.5 (SD 0.7) at the 2-year assessment; muscle strength increased from 3.9 (SD 0.8) to 4.7 (SD 0.7) points at final follow-up; and the range of motion increased from 84 (SD 16.2) to 132 (SD 10.7) degrees 2 years later. Tegner score before surgery ranged from 0 to 5, and after 2 years, it ranged from 5 to 9.
  
  
  CONCLUSIONS
  Autologous osteochondral transplantation for the treatment of patellar chondral lesion was associated with significant improvement in pain, gait, swelling, and range of motion 2 years after surgery, achieving scores similar to uninjured knees. Most of them were able to return to sports activity after 6 months (recreational level) and 2 years (competitive level).
  
  
  METHODS
  IV.
authors.affiliation: Centro de Traumatologia do Esporte, Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina/UNIFESP, Rua Borges Lagoa 783, 5º andar, São Paulo, Brazil. mcastur@yahoo.com.
authors.forename: Diego Costa
authors.initials: DC
authors.lastname: Astur
authors.affiliation: Instituto Cohen, São Paulo, Brazil.
authors.forename: Adilio
authors.initials: A
authors.lastname: Bernardes
authors.affiliation: Instituto Cohen, São Paulo, Brazil.
authors.forename: Saulo
authors.initials: S
authors.lastname: Castro
authors.affiliation: Centro de Traumatologia do Esporte, Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina/UNIFESP, Rua Borges Lagoa 783, 5º andar, São Paulo, Brazil.
authors.forename: Gustavo Gonçalves
authors.initials: GG
authors.lastname: Arliani
authors.affiliation: Instituto Cohen, São Paulo, Brazil.
authors.forename: Camila Cohen
authors.initials: CC
authors.lastname: Kaleka
authors.affiliation: Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo, São Paulo, Brazil.
authors.forename: Nelson
authors.initials: N
authors.lastname: Astur
authors.affiliation: Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina/UNIFESP, São Paulo, Brazil.
authors.forename: Moisés
authors.initials: M
authors.lastname: Cohen
mesh_terms: D000328:Adult; D001265:Athletic Injuries; D002358:Cartilage, Articular / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care; D010329:Patella / Q000601:surgery*; D011446:Prospective Studies; D016059:Range of Motion, Articular; D014182:Transplantation, Autologous; D016896:Treatment Outcome
keywords: Autologous osteochondral transplantation; Cartilage; Knee; Patellar chondral injury