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Knee arthroscopy

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https://www.readbyqxmd.com/read/28638690/an-unusual-case-of-diffuse-pigmented-villonodular-synovitis-of-the-shoulder-a-multidisciplinary-approach-with-arthroscopic-synovectomy-and-adjuvant-radiotherapy
#1
Tânia Quinás Serra, João Morais, Zico Gonçalves, Francisco Agostinho, Gilberto Melo, Mónica Henriques
Pigmented villonodular synovitis (PVNS) is a rare proliferative disorder of the synovial membrane. This condition is usually monoarticular, can be locally destructive, and involves muscles, tendons, bursae, bones, and skin. The most commonly affected joints are the knee and hip, followed by the ankle and shoulder. Patients often present with pain, swelling, and joint effusion; however, the duration of symptoms varies. Total synovectomy is the preferred treatment for PVNS. Subtotal synovectomy is a factor of recurrence, and in diffuse PVNS, total excision is very difficult to achieve...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#2
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28630726/the-hapi-hip-arthroscopy-pre-habilitation-intervention-study-does-pre-habilitation-affect-outcomes-in-patients-undergoing-hip-arthroscopy-for-femoro-acetabular-impingement
#3
Louise F Grant, Derek J Cooper, Jon L Conroy
The purpose of this randomized prospective comparative controlled pilot study was to determine whether specific patient exercises done pre-hip arthroscopy surgery for femoro-acetabular impingement affected post-operative recovery. Between October 2013 and June 2014, 6 males and twelve females over the age of eighteen, who were listed for hip arthroscopy for femoro-acetabular impingement, were randomized into two groups. A hip-specific, 8-week home exercise programme was given to the experimental group before their surgery...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28630721/traction-related-problems-after-hip-arthroscopy
#4
Lone Frandsen, Bent Lund, Torsten Grønbech Nielsen, Martin Lind
Traction-related problems are poorly described in the existing literature. The purpose of this prospective study was to describe traction-related problems and how patients perceive these problems. The study was a descriptive cohort study and data were collected from questionnaires and patient files. The questionnaire included questions on patients' perceptions of traction-related problems in the groin area, at the knee and ankle and how patients had coped with these problems. A total of 100 consecutive patients undergoing hip arthroscopy filled out the questionnaire...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28615215/deconstructing-a-popular-myth-why-knee-arthroscopy-is-no-better-than-placebo-surgery-for-degenerative-meniscal-tears
#5
Jonas Bloch Thorlund
No abstract text is available yet for this article.
June 14, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28615116/an-unusual-presentation-of-synovial-chondromatosis-of-the-knee-in-a-10-year-old-girl
#6
Hyung Joon Cho, Jung Dong Suh
Synovial chondromatosis commonly occurs in the anterior compartment of the knee joint, predominantly in middle-aged men. It is relatively unusual in female children and is rarely encountered in the synovium beneath the meniscus. The present report describes a rare case of synovial chondromatosis that developed in the synovium just inferior to both menisci of the right knee in a 10-year-old girl. At this unusual age and location, there is a greater probability of missed diagnosis, due to the lack of definite informative incidence, and difficulty in finding the lesions during arthroscopic examinations...
June 11, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28614283/recurrent-patellar-instability-implications-of-preoperative-patellar-crepitation-on-the-status-of-the-patellofemoral-articular-cartilage
#7
Scott J Luhmann, June C Smith, Mario Schootman, Nandan Prasad
BACKGROUND: The purpose of the study was to quantify the frequency, severity, and location of patellofemoral (PF) articular cartilage changes recurrent patellar instability treated surgically in patients with preoperative clinical patellar crepitation. METHODS: A single-surgeon database was queried for all knees with recurrent patellar instability between 3/2000 and 6/2012 (n=214). Only knees which underwent knee arthroscopy during the surgical treatment were included (n=148)...
June 13, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28610776/two-stage-late-reconstruction-with-a-fresh-large-osteochondral-shell-allograft-transplantation-flocsat-for-a-large-ostechondral-defect-in-a-non-union-after-a-lateral-tibia-plateau-fracture-2-year-follow-up
#8
C Krettek, J Clausen, M Omar, S Noack, C Neunaber
This is the description of a 58-year-old female patient presenting 8 months after a horse riding accident with significant pain and inability to walk independently. Imaging revealed a large osseous defect of the lateral tibia plateau which was not united posteriorly. The patient refused knee replacement and we developed a patient specific two-step procedure for her. Step 1: Filling of the defect with a large cortico-cancellous autograft from the posterior iliac crest; step 2: Transplantation of a fresh large osteochondral shell allograft (FLOCSAT)...
May 17, 2017: Injury
https://www.readbyqxmd.com/read/28602482/a-new-anterior-inferior-coronal-patellar-plica
#9
Francesco Sadile, Alessio Bernasconi, Nicola Maffulli
PURPOSE: To date, four synovial plicae are classically described in the knee. We report a previously undescribed new inferior patellar plica, named "bib-like plica" (BLP, referring to its morphology) related to specific symptoms of atypical recurrent anterior knee pain in the presence of a locked or pseudo-locked knee. We describe this anatomical structure, and assess its clinical relevance in daily practice in terms of clinical pattern and long-term follow-up outcome after arthroscopic excision...
June 8, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28600828/allogeneic-mscs-and-recycled-autologous-chondrons-mixed-in-a-one-stage-cartilage-cell-transplantion-a-first-in-man-trial-in-35-patients
#10
Tommy S de Windt, Lucienne A Vonk, Ineke C M Slaper-Cortenbach, Razmara Nizak, Mattie H P van Rijen, Daniel B F Saris
MSCs are known as multipotent mesenchymal stem cells that have been found capable of differentiating into various lineages including cartilage. However, recent studies suggest MSCs are pericytes that stimulate tissue repair through trophic signaling. Aimed at articular cartilage repair in an one-stage cell transplantation, this study provides first clinical evidence that MSCs stimulate autologous cartilage repair in the knee without engrafting in the host tissue. A phase I (first-in-man) clinical trial studied the one-stage application of allogeneic MSCs mixed with 10% or 20% recycled defect derived autologous chondrons for the treatment of cartilage defects in 35 patients...
June 10, 2017: Stem Cells
https://www.readbyqxmd.com/read/28597058/-flexion-and-extension-osteotomy-of-the-knee
#11
T Diermeier, A B Imhoff, K Beitzel
OBJECTIVES: Flexion and extension osteotomy of the knee for symptomatic malalignment in the sagittal plane. INDICATIONS: Congenital/posttraumatic bony deficiencies in flexion/pathologic hyperextension in the knee. Additional treatment for ligament reconstruction. CONTRAINDICATIONS: Absolute: Infection, critical soft tissue situation, circulatory disorders. Relative: Osteoporosis, heavy smoker, obesity, reduced patient compliance. SURGICAL TECHNIQUE: Diagnostic arthroscopy of the knee...
June 9, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28596053/the-assessment-of-portal-tract-healing-after-knee-arthroscopy
#12
Nihat Acar, Ali Er, Mehmet Erduran
OBJECTIVE: The aim of this study was to analyse the pattern of portal-tract healing, to compare the healing time of anteromedial and anterolateral portal tracts and to assess the impact of portal-tract delayed healing on the post-operative sub-acute and chronic anterior knee tenderness. METHODS: The study included 104 patients (68 males and 36 females; mean age: 49 ± 3.16 years (range; 17-66)) who have undergone knee arthroscopy. Puncture wounds were divided into two groups, (1) anteromedial and (2) anterolateral groups...
June 5, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28589161/arthroscopic-mechanical-chondroplasty-of-the-knee-is-beneficial-for-treatment-of-focal-cartilage-lesions-in-the-absence-of-concurrent-pathology
#13
Devon E Anderson, Michael B Rose, Aaron J Wille, Jack Wiedrick, Dennis C Crawford
BACKGROUND: Articular cartilage lacks the ability for intrinsic repair after acute injury, and focal articular cartilage lesions cause significant morbidity worldwide. Arthroscopic debridement (chondroplasty) represents the majority of cartilage procedures of the knee; however, limited data exist regarding outcomes after chondroplasty performed in isolation of concurrent procedures or not as a primary treatment for osteoarthritis (OA). HYPOTHESIS: Arthroscopic mechanical chondroplasty is beneficial for patients with a focal cartilage lesion of the knee in the absence of meniscal pathology or OA...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28585048/diminished-femoral-head-neck-offset-and-the-restricted-hip-range-of-motion-suggesting-a-possible-role-in-acl-injuries
#14
Abolfazl Bagherifard, Mahmoud Jabalameli, Hooman Yahyazadeh, Azadeh Shafieesabet, Kaveh Gharanizadeh, Ali Jahansouz, Parhan Khanlari
PURPOSE: Femoroacetabular impingement may be associated with anterior cruciate ligament (ACL) injuries. The purpose of this study was to determine the head-neck offset, as measured by 45° Dunn's view alpha angles, in patients with ACL injuries compared to control subjects. METHODS: In this retrospective study, 140 consecutive non-professional athletes with primary ACL ruptures confirmed with knee arthroscopy and 100 consecutive patients with non-ACL injury were enrolled...
June 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28580255/arthroscopy-assisted-fabella-excision-surgical%C3%A2-technique
#15
Matthew T Provencher, George Sanchez, Márcio B Ferrari, Gilbert Moatshe, Jorge Chahla, Ramesses Akamefula, Robert F LaPrade
The fabella is an anatomic variant not seen in all individuals and can potentially be a source of chronic knee pain due to chondromalacia, osteoarthritis, fractures, or biomechanical pressure against the lateral femoral condyle. It is situated intra-articular, close to the lateral femoral condyle, the lateral gastrocnemius head tendon, and the fabellofibular ligament. Given its rarity, the diagnosis of a symptomatic fabella is often overlooked when evaluating patients with persistent posterolateral knee pain...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28577711/autologous-chondrocytes-and-next-generation-matrix-based-autologous-chondrocyte-implantation
#16
REVIEW
Betina B Hinckel, Andreas H Gomoll
Focal chondral defects of the knee are common and can significantly impair quality of life. The autologous chondrocyte implantation technique has evolved over the past 20 years; the newest third-generation technique is matrix-induced autologous chondrocyte implantation. Physical examination is important to characterize location and source of pain and identify associated injuries. Imaging studies allow characterization of the lesions, identification of associated lesions, and alignment. Conservative measures should be exhausted before proceeding with surgical treatment...
July 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28577187/autofluorescence-imaging-for-improved-visualization-of-joint-structures-during-arthroscopic-surgery
#17
Duy Tan Nguyen, Pepijn van Horssen, Hans Derriks, Martijn van de Giessen, Ton van Leeuwen
BACKGROUND: The purpose of our study is to develop the arthroscopic autofluorescence imaging (AFI) system to improve the visualization during arthroscopic surgery by real-time enhancing the contrast between joint structures with autofluorescence imaging. Its validity was evaluated around the arthroscopic anterior cruciate ligament (ACL) reconstruction, specifically improving the contrast between the femoral insertion site and its background. The feasibility of the AFI system was validated with bovine and human knees...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28573968/arthroscopic-assisted-retrograde-mosaicplasty-for-an-osteochondral-defect-of-the-femoral-head-without-performing-surgical-hip-dislocation
#18
Onur Kocadal, Budak Akman, Melih Güven, Uğur Şaylı
Osteochondral autograft transplantation (mosaicplasty) for the osteochondral defects of the femoral head is generally performed with safe dislocation of the hip joint. Here, we present a 27-year-old male patient who had a symptomatic osteochondral defect of the femoral head and underwent mosaicplasty applied by hip arthroscopy without surgical hip dislocation. The preoperative radiological evaluation showed a focal osteochondral defect on the weight-bearing surface of the femoral head. With the assistance of hip arthroscopy, the defect area was reconstructed with osteochondral plug, which was taken from the ipsilateral knee, inserted in a retrograde fashion, and positioned with the spherical surface of the femoral head cartilage under fluoroscopic and arthroscopic control...
2017: SICOT-J
https://www.readbyqxmd.com/read/28571238/analgesic-effect-of-intra-articular-morphine-or-dexmedetomidine-added-with-levobupivacaine-in-arthroscopic-knee-surgeries-a-comparative-evaluation
#19
Rajat Kumar Agarwal, Yashwant Singh Payal, Gaurav Chopra, Atul Agrawal
INTRODUCTION: Knee arthroscopy is associated with variable amount of postoperative pain. In an attempt to improve postoperative analgesia, intra-articular injection of local anaesthetic in combination with other agent have been studied. However, the best combination is not known. AIM: To compare the analgesic efficacy of intra-articular injection of morphine and dexmedetomidine when added with levobupivacaine in arthroscopic knee surgeries. MATERIALS AND METHODS: Seventy eight patients, scheduled to undergo elective arthroscopic procedure under spinal anaesthesia were recruited for the study...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28567341/technical-note-anterior-cruciate-ligament-reconstruction-in-the-presence-of-an-intramedullary-femoral-nail-using-anteromedial-drilling
#20
Matthew Lacey, Joseph Lamplot, Kempland C Walley, Joseph P DeAngelis, Arun J Ramappa
AIM: To describe an approach to anterior cruciate ligament (ACL) reconstruction using autologous hamstring by drilling via the anteromedial portal in the presence of an intramedullary (IM) femoral nail. METHODS: Once preoperative imagining has characterized the proposed location of the femoral tunnel preparations are made to remove all of the hardware (locking bolts and IM nail). A diagnostic arthroscopy is performed in the usual fashion addressing all intra-articular pathology...
May 18, 2017: World Journal of Orthopedics
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