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Harris JD, Hussey K, Saltzman BM, et al. Cartilage Repair With or Without Meniscal Transplantation and Osteotomy for Lateral Compartment Chondral Defects of the Knee: Case Series With Minimum 2-Year Follow-up. Orthop J Sports Med. 2014;2(10):2325967114551528doi: 10.1177/2325967114551528.
Harris, J. D., Hussey, K., Saltzman, B. M., McCormick, F. M., Wilson, H., Abrams, G. D., & Cole, B. J. (2014). Cartilage Repair With or Without Meniscal Transplantation and Osteotomy for Lateral Compartment Chondral Defects of the Knee: Case Series With Minimum 2-Year Follow-up. Orthopaedic journal of sports medicine, 2(10), 2325967114551528. https://doi.org/10.1177/2325967114551528
Harris, Joshua D, et al. "Cartilage Repair With or Without Meniscal Transplantation and Osteotomy for Lateral Compartment Chondral Defects of the Knee: Case Series With Minimum 2-Year Follow-up." Orthopaedic journal of sports medicine vol. 2,10 (2014): 2325967114551528. doi: https://doi.org/10.1177/2325967114551528
Harris JD, Hussey K, Saltzman BM, McCormick FM, Wilson H, Abrams GD, Cole BJ. Cartilage Repair With or Without Meniscal Transplantation and Osteotomy for Lateral Compartment Chondral Defects of the Knee: Case Series With Minimum 2-Year Follow-up. Orthop J Sports Med. 2014 Oct 13;2(10):2325967114551528. doi: 10.1177/2325967114551528. eCollection 2014 Oct. PMID: 26535271; PMCID: PMC4555547.
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Orthop J Sports Med. 2014 Oct 13;2(10):2325967114551528. doi: 10.1177/2325967114551528. eCollection 2014 Oct.

Cartilage Repair With or Without Meniscal Transplantation and Osteotomy for Lateral Compartment Chondral Defects of the Knee: Case Series With Minimum 2-Year Follow-up.

Orthopaedic journal of sports medicine

Joshua D Harris, Kristen Hussey, Bryan M Saltzman, Frank M McCormick, Hillary Wilson, Geoffrey D Abrams, Brian J Cole

Affiliations

  1. Center for Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, Texas, USA. ; Center for Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, Texas, USA.
  2. Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA.
  3. Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA. ; Department of Orthopaedic Surgery, Veterans Administration Palo Alto, Stanford University, Palo Alto, California, USA.

PMID: 26535271 PMCID: PMC4555547 DOI: 10.1177/2325967114551528

Abstract

BACKGROUND: Treatment decision making for chondral defects in the knee is multifactorial. Articular cartilage pathology, malalignment, and meniscal deficiency must all be addressed to optimize surgical outcomes.

PURPOSE: To determine whether significant clinical improvements in validated clinical outcome scores are observed at minimum 2-year follow-up after articular cartilage repair of focal articular cartilage defects of the lateral compartment of the knee with or without concurrent distal femoral osteotomy and lateral meniscus transplant.

STUDY DESIGN: Case series; Level of evidence, 4.

METHODS: Symptomatic adults who underwent surgical treatment (microfracture, autologous chondrocyte implantation [ACI], osteochondral autograft or allograft) of full-thickness lateral compartment chondral defects of the knee with or without a postmeniscectomy compartment or valgus malalignment by a single surgeon with minimum 2-year follow-up were analyzed. Validated patient-reported and surgeon-measured outcomes were collected pre- and postsurgery. Pre- and postoperative outcomes were compared via Student t tests.

RESULTS: Thirty-five subjects (mean age, 29.6 ± 10.5 years) were analyzed. Patients had been symptomatic for 2.51 ± 3.52 years prior to surgery and had undergone 2.11 ± 1.18 surgeries prior to study enrollment, with a mean duration of follow-up of 3.65 ± 1.71 years. The mean defect size was 4.42 ± 2.06 cm(2). Surgeries included ACI (n = 18), osteochondral allograft (n = 14), osteochondral autograft (n = 2), and microfracture (n = 1). There were 18 subjects who underwent concomitant surgery (14 lateral meniscus transplant, 3 distal femoral osteotomy, and 1 combined). Statistically significant (P < .05) and clinically meaningful improvements were observed at final follow-up in Lysholm, subjective International Knee Documentation Committee (IKDS), Knee Injury and Osteoarthritis Outcome Score (KOOS) subscales, Short Form-12 (SF-12) scores, and patient satisfaction. At follow-up, patients undergoing isolated articular cartilage surgery had a significantly higher KOOS quality of life subscore than did those undergoing articular cartilage surgery and lateral meniscus transplant (P = .039). Otherwise, there were no significant postoperative differences between the isolated and combined surgery groups in any outcome score. Five patients underwent 6 reoperations (1 revision osteochondral allograft, 5 chondroplasties). No patient was converted to knee arthroplasty.

CONCLUSION: In patients with lateral compartment focal chondral defects with or without lateral meniscal deficiency and valgus malalignment, surgical cartilage repair and correction of concomitant pathology can significantly improve clinical outcomes at 2-year follow-up with no significant differences between isolated and combined surgery and a low rate of complications and reoperations.

Keywords: articular cartilage repair; distal femoral osteotomy; knee; lateral compartment; meniscus transplantation

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