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Knee arthroscopy

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https://www.readbyqxmd.com/read/28425303/a-retrospective-study-assessing-safety-and-efficacy-of-bipolar-radiofrequency-ablation-for-knee-chondral-lesions
#1
Monther Gharaibeh, Andras Szomor, Darren B Chen, Samuel J MacDessi
OBJECTIVE: Bipolar radiofrequency (bRF) ablation is gaining popularity as a treatment modality for unstable knee chondral lesions of the knee. Limited reports of osteonecrosis and chondrolysis have been published; however, there is little data examining the safety of this treatment in larger series. This study aims to evaluate the safety and efficacy of bRF in the treatment of chondral lesions encountered during knee arthroscopy. DESIGN: A retrospective evaluation of adverse outcomes in patients that underwent treatment of chondral lesions using bRF was undertaken...
April 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28416997/comparison-of-intrathecal-versus-intra-articular-dexmedetomidine-as-an-adjuvant-to-bupivacaine-on-postoperative-pain-following-knee-arthroscopy-a-randomized-clinical-trial
#2
Eman A Ismail, Jehan A Sayed, Mohamed H Bakri, Reda Z Mahfouz
BACKGROUND: Postoperative pain is a common, distressing symptom following arthroscopic knee surgery. The aim of this study was to compare the potential analgesic effect of dexmedetomidine after intrathecal versus intra-articular administration following arthroscopic knee surgery. METHODS: Ninety patients undergoing unilateral elective arthroscopic knee surgery were randomly assigned into three groups in a double-blind placebo controlled study. The intrathecal dexmedetomidine group (IT) received an intrathecal block with intrathecal dexmedetomidine, the intra-articular group (IA) received an intrathecal block and intra-articular dexmedetomidine, and the control group received an intrathecal block and intra-articular saline...
April 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28408163/angioleiomyoma-in-the-posterior-knee-a-case-report-and-literature-review
#3
Raymond Klumpp, Riccardo Compagnoni, Gianluigi Patelli, Carlo Lauro Trevisan
The authors present a case of angioleiomyoma situated in the posterior knee. A 47-year-old Caucasian woman presented in 2011 with recurrent stabbing pain on the lateral aspect of her right knee. She reported having pain for the last 6years. She had no history of trauma. In 2008 she was treated with a diagnostic arthroscopy and transposition of the tibial tuberosity, with no benefit to her symptoms. Electromyography of the lower limbs showed asymmetry of the amplitude of sensitive action potential of the superficial fibular nerve...
April 10, 2017: Knee
https://www.readbyqxmd.com/read/28400668/nontuberculous-mycobacterial-infection-of-the-musculoskeletal-system-in-immunocompetent-hosts
#4
Manit K Gundavda, Hitendra G Patil, Vikas M Agashe, Rajeev Soman, Camilla Rodriques, Ramesh B Deshpande
BACKGROUND: Nontuberculous mycobacteria (NTM) were considered saprophytic organisms for many years but now are recognized as human pathogens. Although humans are routinely exposed to NTM, the rate of clinical infection is low. Such infections usually occur in the elderly and in patients who are immunocompromised. However, there has been an increasing incidence in recent years of infections in immunocompetent hosts. NTM infections in immunocompetent individuals are secondary to direct inoculation either contamination from surgical procedures or penetrating injuries rather than hematogenous dissemination...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28399633/value-of-tourniquet-use-in-anterior-ankle-arthroscopy-a-randomized-controlled-trial
#5
Damjan Dimnjaković, Pero Hrabač, Ivan Bojanić
BACKGROUND: A tourniquet is usually used during anterior ankle arthroscopy to allow for improved visibility and reduced operation time. However, this has not been demonstrated to be true in clinical studies on knee arthroscopy, while limited tourniquet time has been described as a possible factor to lower the complication rate of ankle arthroscopy. The purpose of this randomized controlled trial was to examine the effect of tourniquet use on arthroscopic visualization, operative time, postoperative intra-articular bleeding, postoperative pain scores, and outcome of anterior ankle arthroscopy...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28394040/pain-related-unscheduled-contact-with-healthcare-services-after-outpatient-surgery
#6
L D Brix, K T Bjørnholdt, T M Thillemann, L Nikolajsen
This prospective, observational study explored the need for pain-related unscheduled contact with healthcare services after outpatient surgery. We hypothesised that 10% of outpatients would have pain-related unscheduled contact with healthcare services, and that the incidence would differ depending on the type of surgical procedure. In total, 905 patients who had undergone one of five common outpatient surgical procedures (knee or shoulder arthroscopy, surgical correction of hallux valgus, laparoscopic cholecystectomy or laparoscopic gynaecological procedures) completed an electronic questionnaire one week and eight weeks after surgery...
April 10, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28386739/analgesia-and-side-effects-of-the-addition-of-10-or-20%C3%A2-%C3%A2%C2%B5g-fentanyl-to-articaine-in-spinal-anesthesia-for-knee-arthroscopy-a-randomized-and-observer-blinded-study
#7
Paula Stenman, Merja Salonen, Pekka Tarkkila, Per Rosenberg
OBJECTIVES: Articaine, a popular and rapidly acting local anesthetic in dentistry, has been also found to be beneficial in ambulatory spinal anesthesia. Analgesia in the intraoperative and immediate postoperative period may be further improved by adding fentanyl to the local anesthetic solution for spinal anesthesia. The aim was to evaluate dose-dependency of analgesia and side effects associated with intrathecal fentanyl additive to articaine for spinal anesthesia in knee arthroscopy patients...
April 6, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28385936/unsatisfactory-outcomes-following-unicompartmental-knee-arthroplasty-in-patients-with-partial-thickness-cartilage-loss-a-medium-term-follow-up
#8
T W Hamilton, H G Pandit, A Inabathula, S J Ostlere, C Jenkins, S J Mellon, C A F Dodd, D W Murray
AIMS: While medial unicompartmental knee arthroplasty (UKA) is indicated for patients with full-thickness cartilage loss, it is occasionally used to treat those with partial-thickness loss. The aim of this study was to investigate the five-year outcomes in a consecutive series of UKAs used in patients with partial thickness cartilage loss in the medial compartment of the knee. PATIENTS AND METHODS: Between 2002 and 2014, 94 consecutive UKAs were undertaken in 90 patients with partial thickness cartilage loss and followed up independently for a mean of six years (1 to 13)...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28375898/virtual-reality-compared-with-bench-top-simulation-in-the-acquisition-of-arthroscopic-skill-a-randomized-controlled-trial
#9
RANDOMIZED CONTROLLED TRIAL
Daniel Banaszek, Daniel You, Justues Chang, Michael Pickell, Daniel Hesse, Wilma M Hopman, Daniel Borschneck, Davide Bardana
BACKGROUND: Work-hour restrictions as set forth by the Accreditation Council for Graduate Medical Education (ACGME) and other governing bodies have forced training programs to seek out new learning tools to accelerate acquisition of both medical skills and knowledge. As a result, competency-based training has become an important part of residency training. The purpose of this study was to directly compare arthroscopic skill acquisition in both high-fidelity and low-fidelity simulator models and to assess skill transfer from either modality to a cadaveric specimen, simulating intraoperative conditions...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28343719/thromboprophylaxis-after-knee-arthroscopy-out-of-the-maze
#10
Giuseppe Lippi, Gianfranco Cervellin
The use of thromboprophylaxis after knee arthroplasty is heterogeneous among orthopedic surgeons. Two recent studies showed that low molecular weight heparin is not effective for preventing venous thromboembolism, whereas thrombotic episodes may be significantly reduced using direct oral anticoagulants, thus opening an interesting perspective for periprocedural management of knee arthroscopy.
May 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/28343325/mri-can-accurately-detect-meniscal-ramp-lesions-of-the-knee
#11
Justin W Arner, Elmar Herbst, Jeremy M Burnham, Ashish Soni, Jan-Hendrik Naendrup, Adam Popchak, Freddie H Fu, Volker Musahl
PURPOSE: Posterior horn meniscal tears are commonly found in conjunction with anterior cruciate ligament (ACL) injury. Some believe tears in the posterior meniscocapsular zone, coined ramp lesions, are important to knee stability. The purpose of this study was to determine whether pre-operative MRI evaluation was able to accurately and reproducibly identify ramp lesions. METHODS: Three blinded reviewers assessed MRIs twice for the presence of ramp lesions in patients undergoing ACL reconstruction...
March 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28337666/joint-infection-due-to-raoultella-planticola-first-report
#12
E Bonnet, F Julia, G Giordano, J Lourtet-Hascoet
The genus Raoultella has been separated from the genus Klebsiella in 2001. Two main species are responsible for human infections: R. ornithinolytica and R. planticola. The most frequent infections due to R. planticola include cystitis, pneumonia and bacteremia (mostly in immunocompromised hosts). To date, no joint or bone infection has been reported. We describe the first case of septic arthritis due to R. planticola following an arthroscopy with intra-articular injection of corticosteroids. Evolution was favorable after arthroscopic lavage and antibiotic therapy with quinolones...
March 23, 2017: Infection
https://www.readbyqxmd.com/read/28325693/surgical-technique-and-clinical-outcomes-of-retrograde-osteochondral-autograft-transfer-for-osteochondral-lesions-of-the-tibial-plateau
#13
Hiromitsu Yabumoto, Yasuaki Nakagawa, Shogo Mukai, Takahiko Saji, Takashi Nakamura
PURPOSE: To present the surgical technique, clinical outcomes, and poor prognostic factors of arthroscopic retrograde osteochondral autograft transfer of the tibial plateau. METHODS: Twelve patients (6 men, 6 women; mean age, 38.7 years) with tibial plateau osteochondral lesions underwent surgery. The primary diseases were osteonecrosis in 4 cases, cartilage injuries in 6, and postfractures of the tibial plateau in 2. Clinical outcomes were evaluated preoperatively and postoperatively according to the International Knee Documentation Committee score and the Japanese Orthopaedic Association score...
March 18, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28325551/patient-related-risk-factors-for-infection-following-knee-arthroscopy-an-analysis-of-over-700-000-patients-from-two-large-databases
#14
Jourdan M Cancienne, Harrison S Mahon, Ian J Dempsey, Mark D Miller, Brian C Werner
BACKGROUND: To determine patient-related risk factors for infection following knee arthroscopy using two large databases. METHODS: A private-payer (PP) and Medicare national insurance database were queried for patients undergoing simple knee arthroscopy procedures from 2005 to 2015. Patients undergoing concomitant open or complex procedures with grafts were excluded. Postoperative infection within 90days was assessed using ICD-9 and CPT codes. A multivariate logistic regression analysis was utilized to evaluate patient-related risk factors for postoperative infection...
March 18, 2017: Knee
https://www.readbyqxmd.com/read/28302426/proximity-of-lateral-critical-structures-to-the-all-epiphyseal-outside-in-femoral-tunnels-in-pediatric-anterior-cruciate-ligament-reconstruction
#15
Mark K Lane, Jennifer Mutch, Kaitlyn Ratkowiak, Stephen E Lemos, Kunal Kalra
PURPOSE: To describe the proximity of the lateral critical structures (peroneal nerve [PN], popliteus tendon [PT], lateral collateral ligament [LCL], and articular cartilage [AC]) to the femoral tunnel for outside-in all-epiphyseal anterior cruciate ligament (ACL) reconstruction in reference to knee flexion angle. METHODS: All-epiphyseal ACL reconstructions were performed in 12 human cadaveric knees using arthroscopy and outside-in drilling for anatomic femoral tunnel placement that was ensured by identifying the center of the total ACL footprint...
March 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28291955/change-of-chondral-lesions-and-predictive-factors-after-medial-open-wedge-high-tibial-osteotomy-with-a-locked-plate-system
#16
Kang-Il Kim, Min-Chul Seo, Sang-Jun Song, Dae-Kyung Bae, Duk-Hyun Kim, Sang Hak Lee
BACKGROUND: Although cartilage regeneration after medial open-wedge high tibial osteotomy (HTO) has been described, there is a paucity of reports regarding which factors influence cartilage regeneration. PURPOSE: To document whether cartilage regeneration occurs in the previously degenerated medial compartment of arthritic knees after medial open-wedge HTO without concomitant cartilage procedures and to assess which predictive factors influence regeneration after HTO...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28291439/localized-pigmented-villonodular-synovitis-in-a-child-knee
#17
O Şahap Atik, Hasan Hüseyin Bozkurt, Efkan Özcan, Batuhan Bahadır, Murat Uçar, Betül Öğüt, Leyla Memiş
Pigmented villonodular synovitis is a benign proliferative tumor of the synovium. It is very rare, and most cases occur in the knee joint. In this article, we report a case of localized pigmented villonodular synovitis in the knee joint of a 14-year-old boy. This condition is rare in the knees of the children. We preferred to remove the tumor with arthrotomy instead of arthroscopy for two reasons: (i) the patient was obese, (ii) we thought that recurrence risk was high after arthrotomy.
April 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28287389/sudden-peroneal-nerve-palsy-in-an-osteoarthritic-knee-a-case-report
#18
Vijay Kumar, Mayur Nayak, Tahir Ansari, Rajesh Malhotra
Peroneal nerve injuries have been reported in association with various causes around the knee such as traumatic varus injury, traumatic dislocation, upper tibial osteotomy, knee arthroscopy and total knee arthroplasty. Two instances of varus arthritic knee associated with a peroneal nerve palsy have been reported so far. One presented with gradual onset peroneal nerve palsy that recovered with time and the other with sudden onset peroneal nerve palsy that did not recover. We describe the case of a 63-year-old man who presented with a symptomatic varus arthritic knee and sudden onset peroneal nerve palsy with synovial cysts over the lateral aspect of the knee...
2017: SICOT-J
https://www.readbyqxmd.com/read/28282672/all-arthroscopic-autologous-matrix-induced-chondrogenesis-aided-repair-of-a-patellar-cartilage-defect-using-dry-arthroscopy-and-a-retraction-system
#19
Boguslaw Sadlik, Mariusz Puszkarz, Lidia Kosmalska, Martin Wiewiorski
The technique of all-arthroscopic autologous matrix-induced chondrogenesis (AMIC)-aided repair of patellar cartilage lesions using a retraction system and dry arthroscopy has been recently described. We report the first clinical and radiological data at a short-term follow-up. Twelve patients underwent AMIC-aided cartilage repair for a patellar lesion. All steps of the procedure were performed arthroscopically, which include the use of an intra-articularly placed retraction plate for distraction of the patellofemoral joint and evacuation of saline solution for collagen matrix insertion and fixation...
March 10, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28271084/analgesia-following-arthroscopy-a-comparison-of-intra-articular-bupivacaine-and-or-midazolam-and-or-fentanyl
#20
Mahmoud Nahravani, Seyed Mostafa Moosavi Tekye, Mohammad Alipour, Hadi Makhmalbaf, Monnavar Afzal Aghaee
BACKGROUND: Arthroscopic intervention is very common for conducting orthopedic surgeries. After a knee arthroscopic surgery, different drugs are used through intra-articular administration to induce analgesia. The aim of this study was to evaluate analgesic effects of Bupivacaine (marcaine), Bupivacaine plus midazolam, and Bupivacaine plus fentanyl in reducing pain after knee arthroscopic surgery. METHODS: Frothy five patients who were candidate for knee arthroscopy were divided into three groups...
January 2017: Archives of Bone and Joint Surgery
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