One-Step Cartilage Repair of Full-Thickness Knee Chondral Lesions Using a Hyaluronic Acid–Based Scaffold Embedded With Bone Marrow Aspirate Concentrate: Long-term Outcomes After Mean Follow-up Duration of 14 Years

医学 外科 软骨 骨关节炎 可视模拟标度 病变 软骨病 透明质酸 软骨损伤 关节软骨 病理 替代医学 解剖
作者
Graeme P. Whyte,Leandra Bizzoco,Alberto Gobbi
出处
期刊:American Journal of Sports Medicine [SAGE]
卷期号:52 (14): 3561-3568
标识
DOI:10.1177/03635465241287524
摘要

Background: One-step cell-based techniques of cartilage repair that lead to restoration of durable chondral tissue and long-term maintenance of joint function are cost-effective and ideal for routine use. Purposes: To examine the long-term clinical outcomes, after a mean follow-up duration of 14 years, of cartilage repair in the knee using a hyaluronic acid–based scaffold in association with bone marrow aspirate concentrate (HA-BMAC) and to evaluate the effect of age, lesion characteristics, and associated treatments on the outcome of this cartilage repair method. Study Design: Case series; Level of evidence, 4. Methods: Patients were followed prospectively for a mean duration of 14.0 years after undergoing treatment of knee full-thickness articular cartilage injury using HA-BMAC. Clinical evaluation consisted of the patient-reported scoring tools of the visual analog scale and the Knee injury and Osteoarthritis Outcome Score, which were completed preoperatively and at the time of final follow-up. Results: A total of 26 patients with a mean age of 48.3 years (17 male, 9 female) and median chondral lesion size of 6.6 cm 2 (range, 1-27 cm 2 ) were followed prospectively. There were 3 treatment failures, and 1 patient who underwent medial compartment unicompartmental arthroplasty 12 years after HA-BMAC treatment of patellar chondral injury. Of the 22 remaining patients, after a mean final follow-up duration of 14.0 years (range, 12-16 years), the median visual analog scale score of 0.6 was significantly decreased from the preoperative median score of 5.0 ( P < .001). The median Knee injury and Osteoarthritis Outcome Score Pain (92), Symptoms (86), Activities of Daily Living (96), Sports (85), and Quality of Life (88) subscale values were all increased compared with the preoperative scores ( P≤ .001). There was no correlation of clinical outcome score and body mass index. Conclusion: One-step cartilage repair of full-thickness chondral defects in the knee using an HA-BMAC led to successful long-term clinical outcomes and maintenance of joint junction after a mean follow-up duration of 14 years. Long-term clinical success in active, nonobese patients has been uniformly demonstrated across a wide range of patient ages and lesion types, including cases of multicompartment involvement, treatment of associated conditions, and large or bipolar chondral lesions.
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