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  1. Ozcelik IB, Jusoh MH, Cavit A
    Tech Hand Up Extrem Surg, 2024 Mar 01;28(1):16-18.
    PMID: 37702374 DOI: 10.1097/BTH.0000000000000453
    Ulnar impaction syndrome occurs when excessive load across the ulnocarpal joints results in pathologic changes, especially over the articular surface of the ulnar head and proximal ulnar corner of the lunate. The 2 main surgical options in ulnar impaction syndrome are ulnar shortening osteotomy and wafer procedure, whether open or arthroscopically, to decompress the ulnocarpal joint load. However, all of these techniques have their shortcomings and drawbacks. The current study demonstrates a novel technique to decompress the ulnocarpal joint load: the "reverse wafer procedure" for ulnar impaction syndrome. In this surgical technique, we resected the proximal ulnar side of the lunate instead of partial resection of the thin wafer of the distal ulnar head dome in the standard wafer procedure. This technique avoids iatrogenic central tear of triangular fibrocartilage and distal radioulnar joint portal arthroscopy, which is technically demanding while preserving the distal radioulnar joint.
    Matched MeSH terms: Arthroscopy/methods
  2. Yong CK
    Med J Malaysia, 2006 Dec;61 Suppl B:45-7.
    PMID: 17605180
    This is a report of a case of peroneal subluxation caused by peroneus quartus, a supernumerary muscle in the peroneal muscle group. Peroneus quartus' anatomy and its clinical relevance in lateral ankle pain, swelling and peroneal subluxation are described. It may be accurately diagnosed by peroneal tendoscopy. The technical note of this procedure is also described.
    Matched MeSH terms: Arthroscopy/methods*
  3. Samsudin O, Leong KK, Shukur MH, Tan KK, Ismail S
    Med J Malaysia, 2004 Dec;59 Suppl F:54-6.
    PMID: 15941164
    Pigmented villonodular synovitis (PVNS) is a distinct but rare clinical entity often presents late with a diagnostic difficulty. Its non-specific manifestations require exclusion of several chronic inflammatory disorders and other humorous lesions but all investigations including highly predictive magnetic resonance imaging (MRI) and arthroscopic examination are non-diagnostic demanding confirmatory tissue biopsy. A typical case of such lesion is presented to highlight some potential difficulties.
    Matched MeSH terms: Arthroscopy/methods
  4. Retrouvey H, Silvanathan J, Bleakney RR, Anastakis DJ
    J Foot Ankle Surg, 2018 01 05;57(3):587-592.
    PMID: 29307741 DOI: 10.1053/j.jfas.2017.10.004
    We report the first case of distal posterior tibial nerve injury after arthroscopic calcaneoplasty. A 59-year-old male had undergone right arthroscopic calcaneoplasty to treat retrocalcaneal bursitis secondary to a Haglund's deformity. The patient complained of numbness in his right foot immediately after the procedure. Two years later and after numerous assessments and investigations, a lateral plantar nerve and medial calcaneal nerve lesion was diagnosed. In the operating room, the presence of an iatrogenic lesion to the distal right lateral plantar nerve (neuroma incontinuity involving 20% of the nerve) and the medial calcaneal nerve (complete avulsion) was confirmed. The tarsal tunnel was decompressed, and both the medial and the lateral plantar nerve were neurolyzed under magnification. To the best of our knowledge, our case report is the first to describe iatrogenic posterior tibial nerve injury after arthroscopic calcaneoplasty. It is significant because this complication can hopefully be avoided in the future with careful planning and creation of arthroscopic ports and treated appropriately with early referral to a nerve specialist if the patient's symptoms do not improve within 3 months.
    Matched MeSH terms: Arthroscopy/methods
  5. Saw KY, Anz A, Jee CS, Ng RC, Mohtarrudin N, Ragavanaidu K
    Arthroscopy, 2015 Oct;31(10):1909-20.
    PMID: 26008951 DOI: 10.1016/j.arthro.2015.03.038
    PURPOSE: To histologically evaluate the quality of articular cartilage regeneration from the medial compartment after arthroscopic subchondral drilling followed by postoperative intra-articular injections of autologous peripheral blood stem cells (PBSCs) and hyaluronic acid with concomitant medial open-wedge high tibial osteotomy (HTO) in patients with varus deformity of the knee joint.
    METHODS: Eight patients with varus deformity of the knee joint underwent arthroscopic subchondral drilling of International Cartilage Repair Society (ICRS) grade 4 bone-on-bone lesions of the medial compartment with concomitant HTO. These patients were part of a larger pilot study in which 18 patients underwent the same procedure. PBSCs were harvested and cryopreserved preoperatively. At 1 week after surgery, 8 mL of PBSCs was mixed with 2 mL of hyaluronic acid and injected intra-articularly into the knee joint; this was repeated once a week for 5 consecutive weeks. Three additional intra-articular injections were administered weekly at intervals of 6, 12, and 18 months postoperatively. Informed consent was obtained at the time of hardware removal for opportunistic second-look arthroscopy and chondral biopsy. Biopsy specimens were stained with H&E, safranin O, and immunohistochemical staining for type I and II collagen. Specimens were graded using the 14 components of the ICRS Visual Assessment Scale II, and a total score was obtained.
    RESULTS: Second-look arthroscopy showed satisfactory healing of the regenerated cartilage. Histologic analysis showed significant amounts of proteoglycan and type II collagen. The total ICRS Visual Assessment Scale II histologic scores comparing the regenerated articular cartilage (mean, 1,274) with normal articular cartilage (mean, 1,340) indicated that the repair cartilage score approached 95% of the normal articular cartilage score. There were no infections, delayed unions, or nonunions.
    CONCLUSIONS: Chondrogenesis with stem cells in combination with medial open-wedge HTO for varus deformity correction of the knee joint regenerates cartilage that closely resembles the native articular cartilage.
    LEVEL OF EVIDENCE: Level IV, therapeutic case series.
    Matched MeSH terms: Arthroscopy/methods
  6. Yoon KH, Kim JS, Park JY, Park SY, Kiat RYD, Kim SG
    Knee Surg Sports Traumatol Arthrosc, 2021 Jun;29(6):1936-1943.
    PMID: 32914218 DOI: 10.1007/s00167-020-06266-0
    PURPOSE: To compare clinical and radiological outcomes and failure rates between anatomical and high femoral tunnels in remnant-preserving single-bundle posterior cruciate ligament (PCL) reconstruction.

    METHODS: 63 patients who underwent remnant-preserving single-bundle PCL reconstruction between 2011 and 2018 with a minimum 2-year follow-up were retrospectively reviewed. Patients were divided into two groups according to the femoral tunnel position: group A (33 patients with anatomical femoral tunnel) and group H (30 patients with high femoral tunnels). The femoral tunnel was positioned at the center (group A) or upper margin (group H) of the remnant anterolateral bundle. The position of the femoral tunnel was evaluated using the grid method on three-dimensional computed tomography. Clinical and radiological outcomes and failure rates were compared between the groups at the 2-year follow-up.

    RESULTS: The position of the femoral tunnel was significantly high in group H than in group A (87.4% ± 4.2% versus 76.1% ± 3.7%, p 

    Matched MeSH terms: Arthroscopy/methods
  7. Yeap EJ, Rao J, Pan CH, Soelar SA, Younger ASE
    Foot Ankle Surg, 2016 Sep;22(3):164-169.
    PMID: 27502224 DOI: 10.1016/j.fas.2015.06.008
    BACKGROUND: This study compares the outcomes of calcaneal fracture surgery after open reduction internal fixation and plating (ORIF) versus arthroscopic assisted percutaneous screw fixation (APSF).

    METHODS: Group I (N=12) underwent ORIF. Group II (N=15) underwent APSF. Anthropometric data, pre and post-operative stay, complications and duration off work were recorded in this retrospective case cohort study. Radiographs were analyzed for Bohler's, Gissane's angle and Sanders' classification. AOFAS Hindfoot and SF 36 scores were collected at final follow-up.

    RESULTS: Anthropometric data, Bohler's and Gissane's angles, AOFAS and SF 36 scores were not significantly different. Pre-operative duration was 12.3 days in ORIF and 6.9 days in APSF. Post-operative duration was 7.3 days vs 3.8 days. Duration off work was 6.2 months vs 2.9 months.

    CONCLUSION: The APSF group was able to have surgery earlier, go home faster, and return to work earlier. This study was not powered to demonstrate a difference in wound complication rates.

    Matched MeSH terms: Arthroscopy/methods*
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