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Osteochondral lesion of talus (OLT) is a foot and ankle disease characterized by ankle pain, which may impact the joint function and life quality. If managed improperly, it may lead to a further ankle arthritis, severely compromising the prognosis. The therapeutic effect of conservative treatment for OLT is still uncertain. Surgery is still the main treatment modality for OLT with various techniques. However, the optimized surgical technique is still inconclusive, furthermore, regeneration and repair of cartilage after debridement is also a great challenge for the treatment of OLT. Platelet-rich plasma (PRP) with good repair effect on cartilage injury is gradually applied in the treatment of OLT. However, there still lacks the unified understanding of the technique and specification of PRP for the treatment of OLT. Therefore, National Orthopedics Center of Shanghai Sixth People′s Hospital allied Foot Ankle Basic Research & Orthopedics Group, Chinese Association of Orthopedic Surgeons; Foot and Ankle Committee of Chinese Association of Sports Medicine Physicians; and Foot and Ankle Group of Orthopedic Specialized Branch of Shanghai Medical Association to organize related experts to formulate the Expert consensus on platelet- rich plasma treatment for osteochondral lesion of talus ( version2023). Fifteen recommendations were put forward upon PRP preparation, indications, contraindications and treatment methods of PRP for OLT, so as to standardize the PRP treatment for OLT.
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Lateral ankle avulsion fracture is a common sports injury that can lead to chronic lateral ankle instability and substantial deterioration of the joint function. Currently, problems such as misdiagnosis, inappropriate treatment, disparate outcomes and lack of standardization are usually met in the diagnosis and treatment of lateral ankle avulsion fracture. The Foot and Ankle Committee of Chinese Association of Sports Medicine Physicians thus organized a working group of experts in the field of sports medicine and ankle surgery from China to develop "An evidence-based clinical guideline for the diagnosis and treatment of lateral ankle avulsion fractures (2022 version)" in accordance with the principle of evidence-based medicine and scientificity and practicability. The guideline covered the topics of imaging diagnosis, indications and methods of non-operative and operative treatment as well as postoperative rehabilitation, in order to provide guidance for the diagnosis and treatment of lateral ankle avulsion fracture.
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Objective:To compare the mid-to long-term clinical outcomes between suture anchor and simple suture for acute injury to lateral ankle ligament (cauda equina tear near the insertion).Methods:This retrospective study included 146 patients (professional and semi-professional athletes) who had been treated for acute injury to lateral ankle ligament (cauda equina tear near the insertion) at Department of Sports Medicine, The Third Hospital Affiliated to Peking University from June 2007 to May 2017.They were 101 males and 45 females, with an age of (27.1±10.3) years (from 12 to 62 years). Depending on ligament repair techniques, the patients were divided into a suture anchor group of 81 cases subjected to reconstruction of the torn ligament with a 1.8 mm suture anchor, and a simple suture group of 65 cases subjected to direct suture of the torn ligament with a braided thread. The 2 groups were compared in terms of visual analog scale (VAS) pain scores, American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot scores and Tegner scores at preoperation and the last follow-up, time and level of postoperative motion recovery, proportion of limited joint motion, incidence of re-sprain and patient satisfaction.Results:There was no significant difference in the preoperative general data between the 2 groups, showing they were comparable ( P>0.05). The mean follow-up duration was (46.1±14.1) months (from 36 to 132 months). The VAS pain score, AOFAS ankle-hindfoot score and Tegner score at the last follow-up were significantly improved than those before operation in all the patients ( P<0.05). Postoperatively, there was no significant difference between the 2 groups in VAS pain score, AOFAS ankle-hindfoot score, Tegner score, incidence of re-sprain or proportion of limited joint motion ( P> 0.05). The suture anchor group was significantly better than the simple suture group in the level of postoperative motion recovery (92%±13% versus 89%±13%) and time of postoperative motion recovery [(4.2±1.1) months versus (4.6±1.0) months] ( P<0.05). Conclusions:Ligament repair, either by suture anchor or by simple suture, is a reliable procedure for patients with high sports demands after severe acute injury to the lateral ankle ligament. Compared with simple suture, suture anchor may accelerate postoperative motion recovery to the pre-injury level.
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Objective To compare the morphological variation of the fibular malleolar groove and fibrocartilaginous ridge injury in those with and without peroneal tendon dislocation using MRI.Methods Data of 45 patients (40 males,5 females;average age 23.4±7.7 years,11-44 years) with recurrent peroneal tendon dislocation treated from April 2010 to July 2017 and 45 patients (33 males,12 females;average age 41.6± 11.8 years,17-67 years)without dislocation treated from June 2015 to September 2017 were retrospectively analyzed.The morphological variation of the fibular malleolar groove and fibrocartilaginous ridge injury were compared between the two groups according to Rosenberg's classification (convex,the posterior cortex of the fibula bulges outward;concave,the posterior fibular surface has a shallow-to-deep depression;fiat,neither concavity nor convexity is found).Results In group of patients with recurrent peroneal tendon dislocation:concave,10 patients (22.2%,10/45);fiat,27 patients (60.0%,27/45);convex,8 patients (17.8%,8/45);fibrocartilaginous ridge injury,44 patients (97.8%,44/45).In group of patients without peroneal tendon dislocation:concave,16 patients (35.6%,16/45);flat,18 patients (40.0%,18/45);convex,11 patients (24.4%,11/45);fibrocartilaginous ridge injury,13 patients (28.9%,13/45).Conclusion According the results,significant difference has not been found in morphologic variations of the fibular malleolar groove between patients with and without recurrent peroneal tendon dislocation.Fibrocartilaginous ridge injury is common in MRI of patients with recurrent peroneal tendon dislocation.
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Objective@#To examine the surgical method and clinical outcome of primary repair of chronic Achilles tendon rupture.@*Methods@#From March 2012 to August 2017, clinical data of 35 consecutive patients with chronic Achilles tendon rupture who were treated with primary repair by the same group of doctors at Department of Sports Medicine, Peking University Third Hospital were retrospectively analyzed.There were 29 males and 6 females with age of (41.0±9.3)years(range:29-65 years). All the patients had unilateral tendon rupture with 22 cases on the left and 13 cases on the right. The preoperative and postoperative Visual Analogue Scale(VAS), American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Score(AOFAS), the Victorian Institute of Sport Assessment-Achilles(VISA-A), the Achilles tendon Total Rupture Score(ATRS) and the Tegner Activity Score of patients were collected and compared by paired-t test.@*Results@#The patients were followed up for (45.6±17.2) months (range:17-28 months).No serious postoperative complications such as infection or nerve damage and rerupture outcomes were reported. At the last follow-up,the VAS decreased from 1.0(2.0) (M(QR) preoperative to 0.0(0.8)(Z=-3.586, P=0.00), AOFAS increased from 64.3±12.5 to 97.0±5.0(t=-14.359, P=0.00), VISA-A increased from 51.3±9.8 to 87.8±18.0(t=-17.656, P=0.00), Tegner increased from 0.9±0.3 to 4.6±1.7(t=-12.524, P=0.00) and ATRS increased from 40.0±3.5 to 97.9±3.9(t=-64.133, P=0.00). Twenty-eight patients (80.0%) had returned to their preinjury activity levels, and 7 patients (20.0%) no longer participate in recreational sports. According to Arner-Lindholm curative effect evaluation criteria, 32 cases(91.4%) gained the excellent results, 1 case (2.9%) of good and 2 cases(5.7%) bad, and the percentage of the cases with the excellent or good results was 94.3%.All except 2 patients with bad results could perform a single-limb heel rise painlessly.@*Conclusions@#Primary repair is an efficient approach for chronic Achilles tendon rupture.The mid-and-long curative effect is satisfactory and stable. Compared with other surgical techniques, operation is relatively simple and economical.The primary repair is considerably safe, with few serious complications such as infection or nerve damage and reruptures.
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Objective@#To compare the morphological variation of the fibular malleolar groove and fibrocartilaginous ridge injury in those with and without peroneal tendon dislocation using MRI.@*Methods@#Data of 45 patients (40 males, 5 females; average age 23.4±7.7 years, 11-44 years) with recurrent peroneal tendon dislocation treated from April 2010 to July 2017 and 45 patients (33 males, 12 females; average age 41.6±11.8 years, 17-67 years) without dislocation treated from June 2015 to Septem-ber 2017 were retrospectively analyzed. The morphological variation of the fibular malleolar groove and fibrocartilaginous ridge in-jury were compared between the two groups according to Rosenberg’s classification (convex, the posterior cortex of the fibula bulg-es outward; concave, the posterior fibular surface has a shallow-to-deep depression; flat, neither concavity nor convexity is found).@*Results@#In group of patients with recurrent peroneal tendon dislocation: concave, 10 patients (22.2%, 10/45); flat, 27 patients (60.0%, 27/45); convex, 8 patients (17.8%, 8/45); fibrocartilaginous ridge injury, 44 patients (97.8%, 44/45). In group of patients without peroneal tendon dislocation: concave, 16 patients (35.6%, 16/45); flat, 18 patients (40.0%, 18/45); convex,11 patients (24.4%, 11/45); fibrocartilaginous ridge injury, 13 patients (28.9%, 13/45).@*Conclusion@#According the results, significant differ-ence has not been found in morphologic variations of the fibular malleolar groove between patients with and without recurrent pero-neal tendon dislocation. Fibrocartilaginous ridge injury is common in MRI of patients with recurrent peroneal tendon dislocation.
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Objective@#To investigate clinical outcomes of modified reattachment of superior peroneal retinaculum (SPR) for patients with recurrent peroneal tendon dislocation.@*Methods@#A total of 24 cases with recurrent peroneal tendon dislocation from December 2012 to June 2017 were treated with modified reattachment of SPR. There were 20 males and 4 females. The average age was 24.9±9.3 years (14-48 years). The average BMI was 23.18±3.50 kg/m2 (15.8-32.2 kg/m2). A 4-5 cm incision was made along the lateral margin of the fibula and curved distally around the fibular tip in line with the peroneal excursion. The superior peroneal retinaculum, peroneus longus and peroneus brevis were exposed. The periosteum and SPR were stripped from the fibula. The false pouch was formed. Two suture anchors were inserted into the postero-lateral ridge of the lateral malleolus without damaging the cartilaginous ridge, after which the SPR was reattached to the lateral malleolus with the anchored suture. The inner layer of the false pouch was incised, while the outer layer (periosteum) was sutured with the SPR in a pants-over-vest style. The following items, including American Orthopaedic Foot and Ankle Society (AOFAS) score, visual analogue scale (VAS), rate of return to previous sports level, time to return to sports activity, complication, and patients satisfaction were evaluated preoperatively and at the final follow-up.@*Results@#The average operation duration was 36.1±8.8 min (20-51 min). The blood loss was 1-10 ml, average 4.1±2.7 ml. The follow-up was carried out in 22 cases for mean 33.9±15.7 months (13-61 months). AOFAS score was improved from 77.8±7.8 points to 95.5±4.3 points significantly (t=-11.89, P<0.001). VAS score was reduced from 4.2±2.4 to 0.3±0.8 significantly (t=7.69, P<0.001). Mean duration return to sports activity was 5.0±1.9 months (3-10 months). A total of 20 patients (91%) returned to their previous sports level. Only one patient (5%) was found with limitation of range of motion, while two patients (9%) reported pain at the scar site without recurrence. The satisfaction rate was 91%.@*Conclusion@#Clinical outcomes of modified reattachment of SPR for patients with recurrent peroneal tendon dislocation was safe and effective.
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Objective To study the outcomes of autologous osteo-periosteal cylinder graft transplantation for Hepple V osteochondral lesions of the talus (OLT) with large subchondral cyst.Methods The data of 27 consecutive patients of OLT with subchondral cyst was retrospectively analyzed who were treated by autologous osteo-periosteal cylinder graft transplantation from October 2007 to September 2011.There were 26 males and 1 female with an average age of 35.8 years (range,22-53 years).Visual analogue score (VAS) for pain during daily activities,the American Orthopaedic Foot and Ankle Society (AOFAS) ankle and hindfoot score,and subjective satisfaction were investigated.The plain radiographs,magnetic resonance imaging (MRI) of the ankle,and second look arthroscopy were analyzed.Results All the 26 patients were followed up for 22.4 months.At the last follow-up,the VAS score decreased from 5.4±1.0 points preoperatively to 0.8±0.8 points postoperatively,and the mean (50%) AOFAS score improved from 73.9±3.1 points preoperatively to 93.0±6.5 points postoperatively.In 26 cases,the radiolucent area of cysts disappeared on plain radiographs.The mean magnetic resonance observation of cartilage repair tissue (MOCART) score was 57.2,though small subchondral bone cyst was still found in 3 cases on postoperative MRI.The mean (50%) ICRS arthroscopic score of cartilage repair was 9.2 points according to second look arthroscopy of 18 cases.There were 16 cases receiving excellent effect,8 good and 2 fair.The excellent and good rate was 92.3% (24/26).There were no major complications.Conclusion Autologous osteo-periosteal cylinder graft transplantation could repair the osteochondral defects.It yields satisfactory results,and is suitable for treating OLT with large subchondral cyst.
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Objective To study the magnetic resonance imaging (MRI) characteristic of bone bruises associated with acute anterior cruciate ligament (ACL) ruptures and to investigate the correlation between bone bruises and cartilage lesions. Methods The MRI findings of 37 cases of acute ACL ruptures associated with bone bruises were studied retrospestively. The classification and distribution of bone bruises were analyzed and the cartilage lesions were also observed under arthroscopy. Results A total of 57 independent bone bruises(type Ⅰ:14, type Ⅱ:32, type Ⅲ:3, type Ⅳ:6 and type Ⅴ:2) were documented by MRI in the 37 patients. 54 (94.7%) bone bruises located in lateral joint compartment with involvement of lateral femoral condyle in 31 and lateral tibial plateau in 23. Nine cases (15.8%) of articular cartilage lesions were found under arthroscopy in the area overlying bone bruises. Conclusion Bone bruises associated with acute ACL ruptures mainly located in the lateral compartment of knee, especially in anterior portion of lateral femoral condyle and posterior portion of lateral tibial plateau. Arthroscopic cartilage lesions were not corresponding to bone bruises.