scholarly journals Revision Meniscal Repair - Failure rates, clinical outcome and patient satisfaction

2019 ◽  
Vol 7 (6_suppl4) ◽  
pp. 2325967119S0022
Author(s):  
Andreas Fuchs ◽  
Ferdinand Kloos ◽  
Gerrit Bode ◽  
Kaywan Izadpanah ◽  
Norbert Südkamp ◽  
...  
Keyword(s):  
Patient Satisfaction ◽  
Clinical Outcome ◽  
Revision Surgery ◽  
Meniscal Repair ◽  
Sports Participation ◽  
Lysholm Score ◽  
Failure Rates ◽  
The Mean ◽  
High Level

Aims and Objectives: Failure of isolated primary meniscal repair must be expected in 14% - 28%. Patients requiring revision surgery may benefit from revision meniscal repair, however, the results of revision meniscal repair remain unclear. The purpose of this study was therefore to evaluate the clinical outcome and failure rates of revision meniscal repair in patients with re-tears or failed healing after previous isolated meniscal repair in stable knee joints. Materials and Methods: A chart review was performed to identify all patients undergoing revision meniscal repair between 08/2010 and 02/2016. Only patients without concomitant procedures, without ligamentous insufficiency, and a minimum follow-up of 24 months were included. The records of all patients were reviewed to collect patient demographics, injury patterns of the meniscus, and details about primary and revision surgery. Follow-up evaluation included failure rates, clinical outcome scores (Lysholm Score, KOOS Score), sporting activity (Tegner scale), and patient satisfaction. Results: A total of 12 patients with a mean age of 22 ± 5 years were included. The mean time between primary repair and revision repair was 27 ± 21 months. Reasons for failed primary repairs were traumatic re-tears in 10 patients (83%) and failed healing in two patients (17%). The mean follow-up period after revision meniscal repair was 43 months. Failure of revision meniscal repair occurred in 3 patients (25%). In two of these patients, re-revision repair was performed. At final follow-up, the mean Lysholm Score was 95.2 with a range of 90-100, representing a good to excellent result in all patients. The final assessment of the KOOS subscores also showed good to excellent results. The mean Tegner scale was 6.8 ± 1.8, indicating a relatively high level of sports participation. Ten patients (83%) were either very satisfied or satisfied with the outcome. Conclusion: In patients with re-tears or failed healing after previous isolated meniscal repair, revision meniscal repair results in good to excellent knee function, high level of sports participation, and high patient satisfaction. The failure rate is comparable to isolated meniscal repair. Therefore, revision meniscal repair is worthwhile in order to save as much meniscal tissue as possible.

scholarly journals Clinical Outcomes of Revision Meniscal Repair

2019 ◽  
Vol 7 (11_suppl6) ◽  
pp. 2325967119S0046
Author(s):  
Muhammad Sakti
Keyword(s):  
Revision Surgery ◽  
Primary Repair ◽  
Meniscal Repair ◽  
Lysholm Score ◽  
Patient Demographics ◽  
Outcome Scores ◽  
The Mean ◽  
Location Type ◽  
Record Review

Background: The failure rate after arthroscopic primary meniscal repair ranges from 5% to 43.5% (mean 15%). Patients requiring revision surgery may benefit from revision meniscal repair, however, the results of this procedure remain underreported. Objective: This was a retrospective study aim to evaluate the outcome of revision meniscal repair in patients with re-tears in Makassar’s hospitals from 2010 – 2017. Methods: A medical record review was performed to identify all patients undergoing revision meniscal repair between 2010 and 2017 in Makassar’s hospitals. Only patients with re-tears of the primary repaired meniscus were included. Surgical technique of primary and revision meniscus repair was detailed. The records of all patients were reviewed to collect patient demographics, affected side of the re-teared meniscus, reasons for failed primary repair, combined disorder, location of the tear, and duration between the primary and revision surgery. Follow-up evaluation included clinical outcome scores (Lysholm Score). Results: A total 9 of 15 patients (5 male and 4 female) with a mean age of 25.3 years (range, 19 to 44) and a mean BMI of 24.48 kg/m2 (range, 19.6 to 32.9) were included. Three lateral menisci and six medial meniscal repairs were revised at mean 23.3 months (range, 19 to 32) after primary repair. Reasons for failed primary repairs were traumatic re-tears in 4 patients (44%) and non-traumatic re-tears in 5 patients (56%). Patients undergoing isolated meniscal repair were found in 6 patients, 2 patients with ACL concomitant disorder, and 1 patient with osteoarthritis. Two tears occurred in the red-red zone and 7 in the red-white zone. At final follow-up, the mean Lysholm score significantly improved from 79.8 points (range, 75-84 points) at pre-revision to 88.1 (range, 80 to 97). Conclusion: Meniscal repair should always be considered when the anatomic conditions are favorable (location, type of tear, ACL status).

scholarly journals Failed Surgery for Patellar Tendinopathy in Athletes: Midterm Results of Further Surgical Management

2021 ◽  
Vol 9 (3) ◽  
pp. 232596712199455
Author(s):  
Nicola Maffulli ◽  
Francesco Oliva ◽  
Gayle D. Maffulli ◽  
Filippo Migliorini
Keyword(s):  
Surgical Management ◽  
Revision Surgery ◽  
Case Series ◽  
Sports Participation ◽  
Patellar Tendinopathy ◽  
Symptom Duration ◽  
Level Of Evidence ◽  
Training Time ◽  
The Mean

Background: Tendon injuries are commonly seen in sports medicine practice. Many elite players involved in high-impact activities develop patellar tendinopathy (PT) symptoms. Of them, a small percentage will develop refractory PT and need to undergo surgery. In some of these patients, surgery does not resolve these symptoms. Purpose: To report the clinical results in a cohort of athletes who underwent further surgery after failure of primary surgery for PT. Study Design: Case series; Level of evidence, 4. Methods: A total of 22 athletes who had undergone revision surgery for failed surgical management of PT were enrolled in the present study. Symptom severity was assessed through the Victorian Institute of Sport Assessment Scale for Patellar Tendinopathy (VISA-P) upon admission and at the final follow-up. Time to return to training, time to return to competition, and complications were also recorded. Results: The mean age of the athletes was 25.4 years, and the mean symptom duration from the index intervention was 15.3 months. At a mean follow-up of 30.0 ± 4.9 months, the VISA-P score improved 27.8 points ( P < .0001). The patients returned to training within a mean of 9.2 months. Fifteen patients (68.2%) returned to competition within a mean of 11.6 months. Of these 15 patients, a further 2 had decreased their performance, and 2 more had abandoned sports participation by the final follow-up. The overall rate of complications was 18.2%. One patient (4.5%) had a further revision procedure. Conclusion: Revision surgery was feasible and effective in patients in whom PT symptoms persisted after previous surgery for PT, achieving a statistically significant and clinically relevant improvement of the VISA-P score as well as an acceptable rate of return to sport at a follow-up of 30 months.

scholarly journals Prognostic Factors for Return to Sport After High Tibial Osteotomy: A Directed Acyclic Graph Approach

2019 ◽  
Vol 47 (8) ◽  
pp. 1854-1862 ◽  
Author(s):  
Alexander Hoorntje ◽  
P. Paul F.M. Kuijer ◽  
Berbke T. van Ginneken ◽  
Koen L.M. Koenraadt ◽  
Rutger C.I. van Geenen ◽  
...  
Keyword(s):  
Prognostic Factors ◽  
High Tibial Osteotomy ◽  
Directed Acyclic Graph ◽  
Return To Sport ◽  
Sports Participation ◽  
Lysholm Score ◽  
Tibial Osteotomy ◽  
Acyclic Graph ◽  
The Mean

Background: High tibial osteotomy (HTO) is increasingly used in young and physically active patients with knee osteoarthritis. These patients have high expectations, including return to sport (RTS). By retaining native knee structures, a return to highly knee-demanding activities seems possible. However, evidence on patient-related outcomes, including RTS, is sparse. Also, time to RTS has never been described. Furthermore, prognostic factors for RTS after HTO have never been investigated. These data may further justify HTO as a surgical alternative to knee arthroplasty. Purpose: To investigate the extent and timing of RTS after HTO in the largest cohort investigated for RTS to date and to identify prognostic factors for successful RTS. Study Design: Case-control study; Level of evidence, 3. Methods: Consecutive patients with HTO, operated on between 2012 and 2015, received a questionnaire. First, pre- and postoperative sports participation questions were asked. Also, time to RTS, sports level and frequency, impact level, the presymptomatic and postoperative Tegner activity score (1-10; higher is more active), and the postoperative Lysholm score (0-100; higher is better) were collected. Finally, prognostic factors for RTS were analyzed using a logistic regression model. Covariates were selected based on univariate analysis and a directed acyclic graph. Results: We included 340 eligible patients of whom 294 sufficiently completed the questionnaire. The mean follow-up was 3.7 years (± 1.0 years). Out of 256 patients participating in sports preoperatively, 210 patients (82%) returned to sport postoperatively, of whom 158 (75%) returned within 6 months. We observed a shift to participation in lower-impact activities, although 44% of reported sports activities at final follow-up were intermediate- or high-impact sports. The median Tegner score decreased from 5.0 (interquartile range [IQR], 4.0-6.0) presymptomatically to 4.0 (IQR, 3.0-4.0) at follow-up ( P < .001). The mean Lysholm score at follow-up was 68 (SD, ± 22). No significant differences were found between patients with varus or valgus osteoarthritis. The strongest prognostic factor for RTS was continued sports participation in the year before surgery (odds ratio, 2.81; 95% CI, 1.37-5.76). Conclusion: More than 8 of 10 patients returned to sport after HTO. Continued preoperative sports participation was associated with a successful RTS. Future studies need to identify additional prognostic factors.

Examination of refractory discoid lateral meniscus injury

2021 ◽  
Vol 29 (2) ◽  
pp. 230949902110220
Author(s):  
Fumiyoshi Kawashima ◽  
Hiroshi Takagi
Keyword(s):  
Lateral Meniscus ◽  
Meniscal Repair ◽  
Lysholm Score ◽  
The Body ◽  
Suture Repair ◽  
Discoid Lateral Meniscus ◽  
Short Term ◽  
Shift Type ◽  
The Mean

Background: Lateral discoid meniscus (LDM) should be treated and preserved with saucerization and/or suture repair. However, repair of the meniscal hoop structure is sometimes difficult due to displacement or large defects. In this study, we aimed to examine tear patterns based on the Ahn classification in those requiring meniscal repair and those undergoing subtotal meniscectomy. Methods: Twenty-three patients were evaluated (mean age, 27.4 years; mean follow-up period, 2.5 years). The following were evaluated: displacement morphology based on the Ahn classification, site of tear under arthroscopy, morphology, surgical procedure, Lysholm score at final postoperative follow-up, and clinical outcome of meniscus using Barrett’s criteria. Result: There were 16 knees without displacement (saucerization with suture repair, 13 knees; subtotal meniscectomy, 3 knees) and 10 knees with displacement (reduction with suture repair, 3 knees; subtotal meniscectomy, 7 knees). Subtotal meniscectomy was performed more often in cases with dislocation, especially in the central shift type as defined by the Ahn classification. The mean Lysholm score was 65.0 points preoperatively and 95.3 points postoperatively. Twenty-three knees (88%) were postoperatively categorized under the Barrett’s criteria as healing and 3 knees (12%) were categorized as non-healing. The number of non-healing cases that underwent subtotal meniscectomy was relatively small (1 of 10 knees), and the short-term results were not poor. Conclusion: Localized peripheral longitudinal tears tended to be repairable even with displacement, while peripheral tears covering the entire meniscus or with severe defects/tears in the body of the meniscus tended to be difficult to repair, leading to subtotal meniscectomy.

scholarly journals Cavovarus Foot Surgery Including a Peroneus Longus Transfer: A 2- to 6-Year Follow-up

2021 ◽  
Vol 6 (3) ◽  
pp. 247301142110210
Author(s):  
Anna E. Sprinchorn ◽  
Andrew D. Beischer
Keyword(s):  
Patient Satisfaction ◽  
Clinical Outcome ◽  
Ligament Reconstruction ◽  
Lateral Ligament ◽  
Foot Surgery ◽  
Peroneus Longus ◽  
First Metatarsal ◽  
Vas Score ◽  
The Mean

Background: The primary aim of this longitudinal study was to describe patient satisfaction and clinical outcome at least 2 years following cavovarus foot surgery, utilizing a peroneus longus to brevis transfer, lateral ligament reconstruction, and corrective osteotomies of the first metatarsal, occasionally with the added calcaneal osteotomy. Methods: Sixteen patients (17 feet) were examined in 2010-2012, 3.5 (range, 2-6.5) years after cavovarus foot surgery performed in 2004-2010 utilizing a peroneus longus to brevis transfer, lateral ligament reconstruction, and osteotomy of the first metatarsal with or without additional calcaneal osteotomy. The mean age at surgery was 45 years. Evaluation at baseline before surgery and at follow-up assessed patient satisfaction, using the American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot score. At follow-up, visual analog scale (VAS) score for pain at walking was recorded, and a clinical and radiographic evaluation was included. Results: The mean AOFAS score improved from 57 (SD 11) to 83 (SD 12.5) points, with an average score improvement of 25 score points (95% confidence interval 16-35, P < .0001). Postoperative VAS score for pain at walking was mean 2 (range, 0-6). All feet had a residual cavovarus both clinically and on the radiographs. Conclusion: Patient satisfaction and clinical outcome was shown to improve pre- to postsurgery at intermediate follow-up after peroneus longus to brevis transfer and metatarsal osteotomies with or without additional calcaneal osteotomies as part of a cavovarus foot correction. Level of Evidence: Level IV, case series.

scholarly journals Isolated revision meniscal repair – failure rates, clinical outcome, and patient satisfaction

2018 ◽  
Vol 19 (1) ◽  
Author(s):  
Andreas Fuchs ◽  
Ferdinand Kloos ◽  
Gerrit Bode ◽  
Kaywan Izadpanah ◽  
Norbert P. Südkamp ◽  
...  
Keyword(s):  
Patient Satisfaction ◽  
Clinical Outcome ◽  
Meniscal Repair ◽  
Failure Rates

scholarly journals How Consistent are the MRI Findings and the Clinical Outcomes after Meniscus Repair?

2014 ◽  
Vol 2 (11_suppl3) ◽  
pp. 2325967114S0013
Author(s):  
Hasan Bombaci ◽  
Fatih Cetinkaya ◽  
Kaan Meric
Keyword(s):  
Clinical Outcomes ◽  
Meniscal Repair ◽  
Meniscus Repair ◽  
Lysholm Score ◽  
Activity Score ◽  
Meniscus Tear ◽  
Mri Findings ◽  
Mri Examination ◽  
The Mean

Objectives: The meniscal repair is a preferred treatment whenever possible after meniscus tear. There are reports in the literature that MRI assessment is not useful to evaluate healing of the meniscus after repair. However, we have not found any study which compares the clinical outcomes of meniscus repair according to the MRI findings. The purpose of this study was to compare the MRI features and the clinical outcomes after meniscus repair. Methods: 32 patients underwent meniscus repair between January 2011 and June 2013. Twenty three of them accepted a control MRI examination at last follow-up visit. One patient was more than 130 kg in weight so it was not possible to perform MRI examination in our institution. Therefore, twenty-two patients (17 male, 5 female) were included in this study. The mean age was 31.81 (18-48). Preoperative clinical and radiological findings were obtained from the hospital registry. At last follow-up, the clinical examination and MRI assessment were performed. The results were compared statistically with the ANOVA method. Results: MRI assessment, obtained at the last follow-up, was performed blindly by the radiology specialist and senior surgeon and any conflicts between the two assessments were settled by using the preoperative MRI findings. In 10 patients (45.45%), the MRI examination revealed normal/nearly normal meniscal signal alteration, in three (13.64%), incomplete tear and in nine (40.91%), a vertical/complex tear signal located in the previously torn meniscus area. Post-operatively the mean Lysholm score was 91.40±10.57 and Tegner activity score, 4.59±1.62. Also, the Lysholm score (91.5±12.44, 94.33±5.50 and 90.33±10.34, respectively) and Tegner activity score (4.2±1.87, 6±1.00 and 4.5±1.33, respectively) were evaluated in each group separately, however the difference was not statistically significant (p>0.05). Conclusion: In the present study, there was no correlation between the MRI signals and clinical outcomes. The Lysholm score was found to be over 90 in 20 of the 22 knees in this series. In conclusion, the findings reveal that the meniscus fulfills its function as normal or nearly normal even though the MRI findings fail to prove healing, in the mean 19. 5 months’ period postoperatively.

Effect of Manipulation under Anesthesia of the First Knee in Staged Bilateral Total Knee Arthroplasty on Clinical Outcome and Satisfaction

2020 ◽  
Author(s):  
Jung-Won Lim ◽  
Yong-Beom Park ◽  
Dong-Hoon Lee ◽  
Han-Jun Lee
Keyword(s):  
Total Knee Arthroplasty ◽  
Patient Satisfaction ◽  
Clinical Outcome ◽  
Clinical Outcomes ◽  
Knee Arthroplasty ◽  
Knee Flexion ◽  
Functional Score ◽  
Manipulation Under Anesthesia ◽  
Total Knee

AbstractThis study aimed to evaluate whether manipulation under anesthesia (MUA) affect clinical outcome including range of motion (ROM) and patient satisfaction after total knee arthroplasty (TKA). It is hypothesized that MUA improves clinical outcomes and patient satisfaction after primary TKA. This retrospective study analyzed 97 patients who underwent staged bilateral primary TKA. MUA of knee flexion more than 120 degrees was performed a week after index surgery just before operation of the opposite site. The first knees with MUA were classified as the MUA group and the second knees without MUA as the control group. ROM, Knee Society Knee Score, Knee Society Functional Score, Western Ontario and McMaster Universities (WOMAC) score, and patient satisfaction were assessed. Postoperative flexion was significantly greater in the MUA group during 6 months follow-up (6 weeks: 111.6 vs. 99.8 degrees, p < 0.001; 3 months: 115.9 vs. 110.2 degrees, p = 0.001; 6 months: 120.2 vs. 117.0 degrees, p = 0.019). Clinical outcomes also showed similar results with knee flexion during 2 years follow-up. Patient satisfaction was significantly high in the MUA group during 12 months (3 months: 80.2 vs. 71.5, p < 0.001; 6 months: 85.8 vs. 79.8, p < 0.001; 12 months: 86.1 vs. 83.9, p < 0.001; 24 months: 86.6 vs. 85.5, p = 0.013). MUA yielded improvement of clinical outcomes including ROM, and patient satisfaction, especially in the early period after TKA. MUA in the first knee could be taken into account to obtain early recovery and to improve patient satisfaction in staged bilateral TKA.

scholarly journals FRI0418 SELECTIVE PATELLAR RESURFACING IN TOTAL KNEE ARTHROPLASTY FOR THE OSTEOARTHRITIC KNEE: A PROSPECTIVE STUDY

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 807.3-807
Author(s):  
I. Moriyama
Keyword(s):  
Total Knee Arthroplasty ◽  
Clinical Outcome ◽  
Knee Arthroplasty ◽  
Patellofemoral Joint ◽  
Osteoarthritis Of The Knee ◽  
Patellar Resurfacing ◽  
Criterion A ◽  
Total Knee ◽  
The Mean

Background:No widely accepted view or criteria currently exist concerning whether or not patellar replacement (resurfacing) should accompany total knee arthroplasty for osteoarthritis of the knee.1)2)3)Objectives:We recently devised our own criteria for application of patellar replacement and performed selective patellar replacement in accordance with this set of criteria. The clinical outcome was analyzed.Methods:The study involved 1150 knees on which total knee arthroplasty was performed between 2005 and 2019 because of osteoarthritis of the knee. The mean age at operation was 73, and the mean postoperative follow-up period was 91 months. Our criteria for application of patellar replacement are given below. Criterion A pertains to evaluation of preoperative clinical symptoms related to the patellofemoral joint: (a) interview regarding presence/absence of pain around the patella, (b) cracking or pain heard or felt when standing up from a low chair, (c) pain when going upstairs/downstairs. Because it is difficult for individual patients to identify the origin of pain (patellofemoral joint or femorotibial joint), the examiner advised each patient about the location of the patellofemoral joint when checking for these symptoms. Criterion B pertains to intense narrowing or disappearance of the patellofemoral joint space on preoperative X-ray of the knee. Criterion C pertains to the intraoperatively assessed extent of patellar cartilage degeneration corresponding to class 4 of the Outerbridge classification. Patellar replacement was applied to cases satisfying at least one of these sets of criteria (A-a,-b,-c, B and C). Postoperatively, pain of the patellofemoral joint was evaluated again at the time of the last observation, using Criterion A-a,-b,-c.Results:Patellar replacement was applied to 110 knees in accordance with the criteria mentioned above. There were 82 knees satisfying at least one of the Criterion sets A-a,-b,-c, 39 knees satisfying Criterion B and 70 knees satisfying Criterion C. (Some knees satisfied 2 or 3 of Criteria A, B and C).When the pain originating from patellofemoral joint (Criterion A) was clinically assessed at the time of last observation, pain was not seen in any knee of the replacement group and the non-replacement group.Conclusion:Whether or not patellar replacement is needed should be determined on the basis of the symptoms or findings related to the patellofemoral joint, and we see no necessity of patellar replacement in cases free of such symptoms/findings. When surgery was performed in accordance with the criteria on patellar replacement as devised by us, the clinical outcome of the operated patellofemoral joint was favorable, although the follow-up period was not long. Although further follow-up is needed, the results obtained indicate that selective patellar replacement yields favorable outcome if applied to cases judged indicated with appropriate criteria.References:[1]The Effect of Surgeon Preference for Selective Patellar Resurfacing on Revision Risk in Total Knee Replacement: An Instrumental Variable Analysis of 136,116 Procedures from the Australian Orthopaedic Association National Joint Replacement Registry.Vertullo CJ, Graves SE, Cuthbert AR, Lewis PL J Bone Joint Surg Am. 2019 Jul 17;101(14):1261-1270[2]Resurfaced versus Non-Resurfaced Patella in Total Knee Arthroplasty.Allen W1, Eichinger J, Friedman R. Indian J Orthop. 2018 Jul-Aug;52(4):393-398.[3]Is Selectively Not Resurfacing the Patella an Acceptable Practice in Primary Total Knee Arthroplasty?Maradit-Kremers H, Haque OJ, Kremers WK, Berry DJ, Lewallen DG, Trousdale RT, Sierra RJ. J Arthroplasty. 2017 Apr;32(4):1143-1147.Disclosure of Interests:None declared

scholarly journals Autologous Matrix-Induced Chondrogenesis for Treatment of Focal Cartilage Defects in the Knee: A Follow-up Study

2021 ◽  
Vol 9 (2) ◽  
pp. 232596712098187
Author(s):  
Justus Gille ◽  
Ellen Reiss ◽  
Moritz Freitag ◽  
Jan Schagemann ◽  
Matthias Steinwachs ◽  
...  
Keyword(s):  
Repeated Measures ◽  
Demographic Data ◽  
Case Series ◽  
Defect Size ◽  
Lysholm Score ◽  
Outcome Analysis ◽  
Cartilage Defects ◽  
Chondral Defects ◽  
The Mean

Background: Autologous matrix-induced chondrogenesis (AMIC) is a well-established treatment for full-thickness cartilage defects. Purpose: To evaluate the long-term clinical outcomes of AMIC for the treatment of chondral lesions of the knee. Study Design: Case series; Level of evidence, 4. Methods: A multisite prospective registry recorded demographic data and outcomes for patients who underwent repair of chondral defects. In total, 131 patients were included in the study. Lysholm, Knee injury and Osteoarthritis Outcome Score (KOOS), and visual analog scale (VAS) score for pain were used for outcome analysis. Across all patients, the mean ± SD age of patients was 36.6 ± 11.7 years. The mean body weight was 80.0 ± 16.8 kg, mean height was 176.3 ± 7.9 cm, and mean defect size was 3.3 ± 1.8 cm2. Defects were classified as Outerbridge grade III or IV. A repeated-measures analysis of variance was used to compare outcomes across all time points. Results: The median follow-up time for the patients in this cohort was 4.56 ± 2.92 years. Significant improvement ( P < .001) in all scores was observed at 1 to 2 years after AMIC, and improved values were noted up to 7 years postoperatively. Among all patients, the mean preoperative Lysholm score was 46.9 ± 19.6. At the 1-year follow-up, a significantly higher mean Lysholm score was noted, with maintenance of the favorable outcomes at 7-year follow-up. The KOOS also showed a significant improvement of postoperative values compared with preoperative data. The mean VAS had significantly decreased during the 7-year follow-up. Age, sex, and defect size did not have a significant effect on the outcomes. Conclusion: AMIC is an effective method of treating chondral defects of the knee and leads to reliably favorable results up to 7 years postoperatively.

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