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Arthroscopy: the Journal of Arthroscopic & related Surgery

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https://www.readbyqxmd.com/read/27923707/three-dimensional-magnetic-resonance-imaging-quantification-of-glenoid-bone-loss-is-equivalent-to-3-dimensional-computed-tomography-quantification-cadaveric-study
#1
Adam B Yanke, Jason J Shin, Ian Pearson, Bernard R Bach, Anthony A Romeo, Brian J Cole, Nikhil N Verma
PURPOSE: To assess the ability of 3-dimensional (3D) magnetic resonance imaging (MRI, 1.5 and 3 tesla [T]) to quantify glenoid bone loss in a cadaveric model compared with the current gold standard, 3D computed tomography (CT). METHODS: Six cadaveric shoulders were used to create a bone loss model, leaving the surrounding soft tissues intact. The anteroposterior (AP) dimension of the glenoid was measured at the glenoid equator and after soft tissue layer closure the specimen underwent scanning (CT, 1...
December 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27923706/validation-of-an-arthroscopic-training-device
#2
Samy Bouaicha, Thorsten Jentzsch, Fabrice Scheurer, Stefan Rahm
PURPOSE: To investigate the usefulness and conduct validation of a simulated arthroscopy training device to train basic arthroscopy skills. METHODS: Forty-six participants including 12 novices, 12 intermediates, and 22 experts completed a questionnaire regarding demographics, previous arthroscopic experience, training potential, and statements about the device. Furthermore, participants performed a single task on the arthroscopic training device using the 0° camera and a probe...
December 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27876490/medial-open-wedge-high-tibial-osteotomy-for-varus-malunited-tibial-plateau-fractures
#3
S R Sundararajan, H S Nagaraja, S Rajasekaran
PURPOSE: To analyze radiologic and functional outcomes of varus malunited tibial plateau fractures managed with medial open wedge high tibial osteotomy (MOHTO). METHODS: Eighteen patients with symptomatic varus malunited tibial plateau fractures with less than stage II arthritic changes managed from July 2009 to October 2013 were included. Patients with complex intra-articular step malunions and severe arthritic changes (stage III and IV) were excluded. Initially, diagnostic arthroscopy was performed followed by MOHTO stabilized with locking plate and tricortical autograft (n = 11, 61%) or a Puddu plate and allograft (n = 7, 39%)...
November 19, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27876489/morphologic-changes-and-outcomes-after-arthroscopic-acetabular-labral-repair-evaluated-using-postoperative-computed-tomography-arthrography
#4
Jun-Il Yoo, Yong-Chan Ha, Young-Kyun Lee, Guen-Young Lee, Moon-Jib Yoo, Kyung-Hoi Koo
PURPOSE: To investigate smaller sized labra after acetabular labral repair comparing preoperative and postoperative computed tomography arthrography (CTA) and to assess the correlation between the anatomic changes and clinical outcomes. METHODS: The design and protocol of this retrospective study were approved by the institutional review board of our hospital. The inclusion criteria included age older than 18 years and hip pain associated with mechanical symptoms...
November 19, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27876488/arthroscopic-subscapularis-augmentation-of-bankart-repair-in-chronic-anterior-shoulder-instability-with-bone-loss-less-than-25-and-capsular-deficiency-clinical-multicenter-study
#5
Marco Maiotti, Carlo Massoni, Raffaele Russo, Steffen Schroter, Antonio Zanini, Diana Bianchedi
PURPOSE: To assess the short-term outcomes of the arthroscopic subscapularis augmentation (ASA) technique, consisting of a tenodesis of the upper third of the subscapularis tendon and a Bankart repair, and its effect on shoulder external rotation. METHODS: Patients selected for this study were involved in contact sports, with a history of traumatic recurrent shoulder dislocations and a minimum of 2-year follow-up. Inclusion criteria were patients with glenoid bone loss (GBL) ranging from 5% to 25%, anterior capsular deficiency, and Hill-Sachs lesion who underwent ASA technique...
November 19, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27876235/high-altitude-is-an-independent-risk-factor-for-postoperative-symptomatic-venous-thromboembolism-after-knee-arthroscopy-a-matched-case-control-study-of-medicare-patients
#6
Jourdan M Cancienne, David R Diduch, Brian C Werner
PURPOSE: To use a national database of Medicare patients to evaluate the association of uncomplicated knee arthroscopy performed at high altitude with the incidence of postoperative venous thromboembolism (VTE). METHODS: The 100% Medicare Standard Analytical File database was queried for all patients undergoing isolated arthroscopic partial meniscectomy and/or chondroplasty from 2005-2012. Patients with more complex open or additional arthroscopic knee procedures, a personal history of VTE, or any hypercoagulable state were excluded...
November 18, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27876234/identification-of-a-remodeled-neo-tendon-after-arthroscopic-latarjet-procedure
#7
Daniel Smolen, Philip Went, Dirk Tomala, Christoph Sternberg, Laurent Lafosse, Jan Leuzinger
PURPOSE: To macroscopically, histologically, and radiologically describe a time-dependent remodeling process of a neo-tendon or -ligament in the shoulder after the arthroscopic Latarjet procedure. METHODS: During follow-up surgery after the arthroscopic Latarjet procedure, 17 shoulders in 16 patients were evaluated for a remodeled tendon-like structure. The mean overall follow-up period was 27.4 months. The mean time between the arthroscopic Latarjet procedure and revision was 11...
November 18, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27866795/midterm-outcomes-after-arthroscopic-anteroinferior-capsular-release-for-the-treatment-of-idiophatic-adhesive-capsulitis
#8
Maximiliano Ranalletta, Luciano Andrés Rossi, Ezequiel Ernesto Zaidenberg, Carlos Campos, Tanoira Ignacio, Gastón Daniel Maignon, Santiago Luis Bongiovanni
PURPOSE: The purpose of this study is to report the early and midterm functional outcomes and complications of a consecutive series of patients with primary adhesive capsulitis who were treated with isolated anteroinferior arthroscopic capsular release after they did not respond to conservative treatment. METHODS: Thirty-two consecutive patients with idiopathic adhesive capsulitis who did not respond to conservative physiotherapy were included in the study. Arthroscopic anteroinferior capsular release was performed in all cases...
November 17, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27866794/treatment-of-symptomatic-acromioclavicular-joint-instability-by-a-docking-technique-clinical-indications-surgical-technique-and-outcomes
#9
W Ben Kibler, Aaron D Sciascia, Brent J Morris, David C Dome
PURPOSE: To report functional and objective outcomes resulting from surgical treatment of patients with symptomatic type III through V acromioclavicular (AC) joint injury by use of a modification of the anatomic AC joint reconstruction developed by Carofino and Mazzocca. METHODS: The study included all patients treated in 2009-2014 who presented with a history of direct trauma to the shoulder; deformity of the AC joint on clinical examination; radiographic findings that would classify the injury as a Rockwood type III, IV, or V injury; AC joint instability on clinical examination; and self-reported deficits of arm function on initial presentation, in whom a comprehensive and directed nonoperative program failed...
November 17, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27840056/restricted-hip-rotation-is-correlated-with-an-increased-risk-for-anterior-cruciate-ligament-injury
#10
Curtis VandenBerg, Eileen A Crawford, Elizabeth Sibilsky Enselman, Christopher B Robbins, Edward M Wojtys, Asheesh Bedi
PURPOSE: The primary purpose was to compare ipsilateral hip internal rotation (IR) in male and female athletes with or without an anterior cruciate ligament (ACL) tear. A secondary purpose was to compare radiographic markers of femoroacetabular impingement (FAI) in patients with or without an ACL tear. METHODS: In this prospective case-control study, based on a power analysis, a convenience sample of 25 ACL-injured and 25 control patients matched by age and gender were examined over 14 months...
November 10, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27815011/impact-of-arthroscopic-lateral-acromioplasty-on-the-mechanical-and-structural-integrity-of-the-lateral-deltoid-origin-a-cadaveric-study
#11
Daniel Cole Marchetti, J Christoph Katthagen, Jacob D Mikula, Scott R Montgomery, Dimitri S Tahal, Kimi D Dahl, Travis Lee Turnbull, Peter J Millett
PURPOSE: To determine whether a 5-mm and/or 10-mm arthroscopic lateral acromioplasty (ALA) would weaken the structural and mechanical integrity of the lateral deltoid. METHODS: The acromion and lateral deltoid origin were harvested from 15 pairs (n = 30) of fresh-frozen human cadaveric shoulder specimens. One side of each specimen pair (left or right) was randomly assigned to either a 5-mm (n = 7) or 10-mm (n = 8) ALA group, and the contralateral sides (n = 15) were used as matched controls...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27815010/determinants-of-major-league-baseball-pitchers-career-length
#12
Rich Hardy, Tiwaloluwa Ajibewa, Ray Bowman, Jefferson C Brand
PURPOSE: To investigate variables (injury, position, performance, and pitching volume) that affect the career longevity of Major League Baseball pitchers. METHODS: To be eligible, pitchers must have entered Major League Baseball between 1989 and 1992 without missing information for the variables on the website http://www.baseball-reference.com. The variables assessed were average innings pitched per year before and after age 25 years, earned run average, walks and hits divided by innings pitched, strikeout to walk ratio, pitching position, time on the disabled list, length of career, and starting and retirement age...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27815009/comparison-of-intra-articular-findings-and-clinical-features-between-patients-with-symptomatic-anterior-instability-after-recurrent-shoulder-subluxation-and-dislocation
#13
Sang-Jin Shin, Young-Won Ko, Yoon Sang Jeon, Juyeob Lee, Rag Gyu Kim, Hyungki Baek
PURPOSE: The purpose of this study was to compare the prevalence of concomitant intra-articular pathologies and clinical manifestations after arthroscopic stabilization between patients with symptomatic anterior instabilities following recurrent shoulder subluxations and dislocations. METHODS: Among patients who underwent arthroscopic stabilization, 28 patients who experienced shoulder subluxations (subluxation group, 26.7 ± 1.8 years) and 84 who had shoulder dislocations (dislocation group, 25...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27815008/the-distribution-of-impingement-region-in-cam-type-femoroacetabular-impingement-and-borderline-dysplasia-of-the-hip-with-or-without-cam-deformity-a-computer-simulation-study
#14
Naomi Kobayashi, Yutaka Inaba, So Kubota, So Nakamura, Taro Tezuka, Yohei Yukizawa, Hyonmin Choe, Tomoyuki Saito
PURPOSE: To identify the distribution of the impingement region in cam-type femoroacetabular impingement (FAI) or patients with borderline developmental dysplasia of the hip (DDH) using computer simulation analysis. METHODS: A total of 51 painful hip joints from 42 consecutive cases diagnosed as cam-type FAI (center edge [CE] angle ≥ 25°, alpha angle ≥ 55°) or borderline DDH (CE angle ≥ 20° and < 25°) with or without a cam deformity (alpha angle ≥ 55° or < 55°) were enrolled...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27789072/long-term-results-of-arthroscopic-arthrolysis-for-arthrofibrosis-after-anterior-cruciate-ligament-reconstruction
#15
Hermann O Mayr, Christian M Brandt, Thomas Weig, Manuel Koehne, Anke Bernstein, Norbert P Suedkamp, Robert Hube, Amelie Stoehr
PURPOSE: The current study was conducted to evaluate the long-term clinical and radiological outcomes after arthroscopic arthrolysis for arthrofibrosis after anterior cruciate ligament reconstruction (ACLR). METHODS: All patients treated with arthrolysis between 1990 and 1998 were included. Indication was arthrofibrosis in at least one knee compartment or a cyclops syndrome limiting range of motion (ROM) by > 5° of extension deficit and 15° of flexion deficit...
October 24, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27789071/altered-gene-and-protein-expressions-in-torn-rotator-cuff-tendon-tissues-in-diabetic-patients
#16
Seok Won Chung, Bo Mi Choi, Ja Yeon Kim, Yong-Soo Lee, Jong Pil Yoon, Kyung-Soo Oh, Kyung Sik Park
PURPOSE: To analyze and compare the gene and protein expression characteristics in torn rotator cuff tendon tissues between diabetic and nondiabetic patients. METHODS: This was a pilot study. Twelve samples of rotator cuff tendon tissue from diabetic patients (mean age, 62.3 ± 9.9 years) and 12 age- and sex-matched nondiabetic tendon tissues (62.3 ± 9.9 years) were acquired from the torn tendon end of medium rotator cuff tears during arthroscopic surgery, after applying the same inclusion and exclusion criteria...
October 24, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27780652/morphology-of-the-insertions-of-the-superficial-medial-collateral-ligament-and-posterior-oblique-ligament-using-3-dimensional-computed-tomography-a-cadaveric-study
#17
Takaaki Saigo, Goro Tajima, Shuhei Kikuchi, Jun Yan, Moritaka Maruyama, Atsushi Sugawara, Minoru Doita
PURPOSE: To describe the insertions of the superficial medial collateral ligament (sMCL) and posterior oblique ligament (POL) and their related osseous landmarks. METHODS: Insertions of the sMCL and POL were identified and marked in 22 unpaired human cadaveric knees. The surface area, location, positional relations, and morphology of the sMCL and POL insertions and related osseous structures were analyzed on 3-dimensional images. RESULTS: The femoral insertion of the POL was located 18...
October 22, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27773640/comparative-influence-of-sport-type-on-outcome-after-anterior-cruciate-ligament-reconstruction-at-minimum-2-year-follow-up
#18
Benedict U Nwachukwu, Pramod B Voleti, Brenda Chang, Patricia Berkanish, Gregory T Mahony, Riley J Williams, David W Altchek, Answorth A Allen
PURPOSE: To investigate differences between sport types for patient-reported outcome after anterior cruciate ligament reconstruction (ACLR). METHODS: Included patients were enrolled as part of a prospective institutional ACL registry. Inclusion criteria were preoperative self-identification as a competitive athlete, maximum score on the preoperative Marx Activity Scale, and minimum 2-year follow-up. Demographic, intraoperative, and outcome data were extracted from the registry...
October 20, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27773639/analysis-of-outcomes-for-high-tibial-osteotomies-performed-with-cartilage-restoration-techniques
#19
Cynthia A Kahlenberg, Benedict U Nwachukwu, Kamran S Hamid, Michael E Steinhaus, Riley J Williams
PURPOSE: To evaluate reported medium- to long-term outcomes after high tibial osteotomy (HTO) with associated cartilage restoration procedures. METHODS: A review of the MEDLINE database was performed. The inclusion criteria were English language, clinical outcome study with HTO as the primary procedure, use of a form of cartilage repair included, and the mean follow-up period of at least 2 years. Each identified study was reviewed for study design, patient demographics, type of procedures performed, clinical outcomes, progression to total knee arthroplasty, and complications...
October 20, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27771171/inter-and-intrarater-reliability-of-the-femoral-tunnel-clock-face-grading-system-during-anterior-cruciate-ligament-reconstruction
#20
Vishal Mehta, Timothy Petsche, Ashish M Rawal
PURPOSE: To determine the inter- and intrarater reliability of the clock-face grading system as used by 3 fellowship-trained sports medicine surgeons. METHODS: Arthroscopic video was taken of the femoral tunnel placement during 20 consecutive anterior cruciate ligament (ACL) reconstructions performed by 2 surgeons. All femoral tunnels were created using a medial portal technique. The video was taken using a 30° arthroscope placed in the lateral portal and showed the femoral tunnel as well as the remainder of the femoral notch, the posterior cruciate ligament, and the menisci for orientation...
October 19, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
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