Unfortunately, an isolated cartilage defect, without any underlying bone attached to the fragment, is not commonly repairable. J Bone Joint Surg Am. The defects cause deep ankle pain associated with weightbearing. Among the OLT, up to 94% of the lateral lesions are said to be secondary to trauma while only 62% of medial lesions are post-traumatic. A chondral defect refers to a focal area of damage to the articular cartilage (the cartilage that lines the end of the bones).  An osteochondral defect refers to a focal area of damage that involves both the cartilage and a piece of underlying bone. Overview focal injuries to the talar dome with variable involvement of the subchondral bone and cartilage resulting in osteochondral lesion of the talus (OLT) may be caused by traumatic event or result of repetitive microtrauma Numerous factors are considered when evaluating these disorders for the correct treatment and each scenario should be discussed in detail with your surgeon. Clipboard, Search History, and several other advanced features are temporarily unavailable. For arthroscopic repair techniques a hyaluronic acid membrane was used to support cells and specifically designed instrumentation was developed. Symptomatic traumatic osteochondral lesions of the knee remain a significant treatment challenge in a young active patient.5., 13. Please enable it to take advantage of the complete set of features! chondral-defect. This condition is also known as osteochondritis dissecans (OCD) of the talus or a talar osteochondral lesion (OCL). One technique for treating isolated cartilage defects is called a "microfracture". Mean AOFAS score before surgery was 57.1±17.2 and 92.6±10.5 (P<0.0005) at mean 59.5±26.5 months. eCollection 2020 Feb. Anal Bioanal Chem. An osteochondral ankle defect is a lesion of the talar cartilage and subchondral bone mostly caused by a single or multiple traumatic events, leading to partial or complete detachment of the fragment. This requires a detailed evaluation to be performed to assess the integrity of the remaining cartilage, the underlying bone and to look for evidence of healing capacity. The articulation of the talar dome and the trochlear surface (tibia and fibula) supports the weight of the body. A Comparative MRI Study of 44 Cases. The cartilage is often not viable when it is separated from the bone and therefore must be removed which can be done with an arthroscopic procedure. 2019 Dec;411(30):7943-7955. doi: 10.1007/s00216-019-02148-8. 81 patients (mean age 30±8 years) were evaluated in this study. The aims of this study are to describe evolution in cartilage repair from open field autologous chondrocyte implantation to regeneration by arthroscopic bone-marrow-derived cells (BMDCs) "one step" technique; to present the results of a series of patients consecutively treated and to compare in detail the different techniques used in order to establish the advantages obtained with the evolution in cartilage regenerative methods. Evolution in surgical technique, new biomaterials and more recently the use of BMDCs permitted a marked reduction in procedure morbidity and costs up to a "one step" technique able to overcome all the drawbacks of previous repair techniques. This site needs JavaScript to work properly. Operative treatment of osteochondral lesions of the talus. Some healthy flaps of cartilage can be repaired by special techniques.  This would need to be discussed in detail with your surgeon. The mean depth of the lesion was 4.0 ± 0.9 mm. Giannini S, Buda R, Battaglia M, Cavallo M, Ruffilli A, Ramponi L, Pagliazzi G, Vannini F. Am J Sports Med. Dr Joachim Feger ◉ and Assoc Prof Frank Gaillard ◉ ◈ et al. 71. The blood supply to the talus is not as rich as many other bones in the body, and as a result injuries to the talus sometimes are more difficult to heal than similar injuries in other bones. A 40-year-old with a history of recurrent patellar dislocation resulting in post-traumatic patellofemoral chondromalacia has persistent anterior knee pain and swelling 2 years after patellofemoral chondroplasty and synovectomy. Take advantage of the naive hyaline cartilage by open-field autologous chondrocyte implantation: a concise review of current literature literature! Joints for OCLs in the body weight when standing stages of the knee or underlying... Techniques. this would need to be routinely successful thought of differently as the treatments are significantly different as as. 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