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Arthroscopy: the Journal of Arthroscopic & related Surgery

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https://www.readbyqxmd.com/read/29937346/single-bundle-versus-double-bundle-anterior-cruciate-ligament-reconstruction-5-year-results
#1
Hermann O Mayr, Silvia Bruder, Robert Hube, Anke Bernstein, Norbert P Suedkamp, Amelie Stoehr
PURPOSE: To compare anatomic single-bundle (SB) with double-bundle (DB) anterior cruciate ligament reconstruction (ACL-R) and to evaluate the respective clinical outcome results. METHODS: In a prospective randomized study, 64 patients were included and separated into 2 groups. Anatomic SB and DB ACL-Rs were performed with hamstring tendons. Five years after surgery, the follow-up (FU) examination comprised International Knee Documentation Committee (IKDC) 2000, Laxitester (ORTEMA Sport Protection, Markgroeningen, Germany) measurement, and radiograph evaluation...
June 21, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29937345/shoulder-arthroscopy-with-versus-without-suprascapular-nerve-release-clinical-outcomes-and-return-to-sport-rate-in-elite-overhead-athletes
#2
Georgios D Tsikouris, Ioanna K Bolia, Panagiota Vlaserou, Nikolaos Odantzis, Konstantinos Angelis, Vasileios Psychogios
PURPOSE: To compare the clinical outcomes and return to sport rate between elite overhead athletes who underwent shoulder arthroscopy and decompression of the suprascapular nerve (SSN) versus overhead athletes who underwent shoulder arthroscopy without SSN release. METHODS: From 2007 to 2014, high-level overhead athletes diagnosed with a rotator cuff tear and/or a glenoid labral lesion and SSN entrapment were included in the study if their symptoms did not improve with nonoperative treatment and if they agreed to undergo surgery and participate...
June 21, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29937344/the-influence-of-bone-loss-on-glenoid-version-measurement-a-computer-modeled-cadaveric-analysis
#3
Justin W Griffin, Michael Collins, Timothy S Leroux, Brian J Cole, Bernard R Bach, Brian Forsythe, Nikhil N Verma, Anthony A Romeo, Adam B Yanke
PURPOSE: To characterize how increasing computed tomography (CT)-quantified glenoid bone loss influences measured version. METHODS: Six embalmed cadaveric shoulders were used for this study. Glenoid bone defects were computer modeled in cadaveric shoulders; CT images were obtained and segmented using OsiriX software, creating 3-dimensional en face glenoids. Glenoid defects were made on CT images of intact glenoids superimposed with a glenoid clock face viewed en face to simulate anterior and posterior bone loss...
June 21, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29937343/mechanical-strength-of-the-proximal-femur-after-arthroscopic-osteochondroplasty-for-femoroacetabular-impingement-finite-element-analysis-and-3-dimensional-image-analysis
#4
Masatoshi Oba, Naomi Kobayashi, Yutaka Inaba, Hyonmin Choe, Hiroyuki Ike, So Kubota, Tomoyuki Saito
PURPOSE: To examine the influence of femoral neck resection on the mechanical strength of the proximal femur in actual surgery. METHODS: Eighteen subjects who received arthroscopic cam resection for cam-type femoroacetabular impingement (FAI) were included. Finite element analyses (FEAs) were performed to calculate changes in simulative fracture load between pre- and postoperative femur models. The finite element femur models were constructed from computed tomographic images; thus, the models represented the shape of the original femur, including the bone resection site...
June 21, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29859772/estimating-lengths-of-semitendinosus-and-gracilis-tendons-by-magnetic-resonance-imaging
#5
Omer A Ilahi, R Scott Staewen, Eugene F Stautberg, Ali A Qadeer
PURPOSE: To determine whether preoperative magnetic resonance imaging (MRI) can help predict the tendon-only length of the semitendinosus (ST) and the gracilis (G). METHODS: The distance from the tibial insertion to the distal-most aspect of the musculotendinous junction (MTJ) of the ST and G was estimated on preoperative MRI scans of patients undergoing primary anterior cruciate ligament (ACL) reconstruction with single-bundle, quadruple-stranded hamstring autograft...
May 30, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29859771/the-use-of-fluoroscopy-leads-to-improved-identification-of-the-femoral-lateral-collateral-ligament-origin-site-when-compared-with-traditional-tactile-techniques
#6
Thomas R Pfeiffer, Elmar Herbst, Ajay C Kanakamedala, Jan-Hendrik Naendrup, Richard E Debski, Volker Musahl
PURPOSE: To determine whether a fluoroscopic technique can be used to improve the accuracy of the determination of the femoral origin of the lateral collateral ligament (LCL). METHODS: A 1-cm incision was made over the lateral epicondyle in 13 fresh-frozen cadaveric knee specimens, and the LCL origin was determined first by palpation and then with a previously described fluoroscopic method. Both points for the LCL origin were marked with 2-mm Kirschner wires. The distances between the center of the anatomic LCL origin and the LCL origin points determined by palpation and fluoroscopic imaging were calculated...
May 30, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29804955/a-prospective-blinded-multicenter-clinical-trial-to-compare-the-efficacy-accuracy-and-safety-of-in-office-diagnostic-arthroscopy-with-magnetic-resonance-imaging-and-surgical-diagnostic-arthroscopy
#7
Thomas J Gill, Marc Safran, Bert Mandelbaum, Bryan Huber, Ralph Gambardella, John Xerogeanes
PURPOSE: The purpose of this study was to compare the efficacy, accuracy, and safety of in-office diagnostic arthroscopy with magnetic resonance imaging (MRI) and surgical diagnostic arthroscopy. METHODS: A prospective, blinded, multicenter, clinical trial was performed on 110 patients, ages 18 to 75 years, who presented with knee pain. The study period was April 2012 to April 2013. Each patient underwent a physical examination, an MRI, in-office diagnostic imaging, and a diagnostic arthroscopic examination in the operating room...
May 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29804954/clinical-and-radiologic-outcomes-after-medializing-and-not-medializing-rotator-cuff-tendon-attachment-site-on-chronic-retracted-rotator-cuff-tears
#8
Kwang Won Lee, Kyung Ho Moon, Chang Hyun Ma, Gyu Sang Lee, Dae Suk Yang, Won Sik Choy
PURPOSE: To compare the clinical and radiologic outcomes of chronically retracted rotator cuff tears by arthroscopic medializing and non-medializing repair (restoring anatomic footprint and performing conventional repair). METHODS: This study retrospectively reviewed 195 patients who underwent arthroscopic double-row modified Mason-Allen repair for large, full-thickness rotator cuff tears from January 2013 to July 2015. We included a total of 60 of these patients and divided them into 2 groups: those who underwent medialization (n = 24) and those who did not (n = 36)...
May 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29804953/use-of-the-5-strand-hamstring-autograft-technique-in-increasing-graft-size-in-anterior-cruciate-ligament-reconstruction
#9
Lingaraj Krishna, Taufiq Panjwani, Ying Ren Mok, Francis Keng Lin Wong, Amritpal Singh, Shi Jie Toh
BACKGROUND: To determine the extent to which a strategy of routinely preparing a 5-strand hamstring autograft would increase graft size in anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 64 patients were enrolled in a prospective randomized controlled study comparing 5-strand and quadrupled semitendinosus-gracilis autografts in single-bundle ACL reconstruction (5-strand group, n = 32; 4-strand group, n = 32). In the 5-strand group, the diameter of the 4-strand construct and the subsequent 5-strand graft used were measured, whereas in the 4-strand group, the diameter of the quadrupled graft used was measured...
May 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29804952/clinical-outcomes-and-recurrence-rates-after-arthroscopic-stabilization-procedures-in-young-patients-with-a-glenoid-bone-erosion-a-comparative-study-between-glenoid-erosion-more-and-less-than-20
#10
In Park, Chan-Jae Park, Jae-Hoo Lee, Hwan-Sub Hyun, Jin-Young Park, Sang-Jin Shin
PURPOSE: To evaluate the clinical outcomes and recurrence rates of arthroscopic stabilization procedures in young patients who had recurrent anterior shoulder instability with a glenoid bone erosion more than 20%, and to compare with those in patients with a glenoid bone erosion less than 20%. METHODS: A total of 161 patients who underwent an arthroscopic stabilization procedure for recurrent anterior shoulder instability with anterior glenoid bone erosions and at least 2 years of follow-up were included...
May 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29802066/diagnostic-value-of-clinical-tests-for-supraspinatus-tendon-tears
#11
Mirco Sgroi, Thomas Loitsch, Heiko Reichel, Thomas Kappe
PURPOSE: The purpose of this study was to analyze the diagnostic value of 7 clinical tests for the diagnosis of supraspinatus tendon tears, to investigate the ability of these tests to distinguish between partial- and full-thickness tears, and to compare 3 different ways of interpreting positive test results (weakness and pain): (1) in case of pain, (2) in case of weakness, regardless if with pain or not, and (3) when any of the 2 symptoms occurs, regardless if in combination or not. Moreover, this study aimed to investigate whether a combination of tests can improve the diagnostic accuracy...
May 22, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789255/combined-tibial-tubercle-osteotomy-and-medial-patellofemoral-ligament-reconstruction-for-recurrent-lateral-patellar-instability-in-patients-with-multiple-anatomic-risk-factors
#12
Melissa M Allen, Aaron J Krych, Nick R Johnson, Rohith Mohan, Michael J Stuart, Diane L Dahm
PURPOSE: To report the outcomes for combined tibial tubercle osteotomy (TTO) and medial patellofemoral ligament (MPFL) reconstruction and assess for potential risk factors for recurrent instability and/or poor outcomes. METHODS: The medical record at our institution was reviewed for patients treated with MPFL reconstruction and TTO for recurrent lateral patellar instability from 1998 to 2014. Preoperative imaging was assessed for trochlear dysplasia according to the Dejour classification (high grade = B, C, D) and the presence of patella alta using the Caton-Deschamps ratio (>1...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789254/prediction-of-the-irreparability-of-rotator-cuff-tears
#13
In-Bo Kim, Dong Wook Jung, Kuen Tak Suh
PURPOSE: To determine the influence of preoperative factors on reparability of rotator cuff tears (RCTs) and yield a predictive model for predicting irreparability preoperatively. METHODS: Among patients with full-thickness RCTs, the reparable group underwent arthroscopic rotator cuff repairs for reparable RCTs whereas the irreparable group underwent alternative surgical procedures for irreparable RCTs. We analyzed age, sex, chronic pseudoparalysis (CPP), mediolateral and anteroposterior tear sizes, acromiohumeral distance (AHD), tangent sign, fatty infiltration (FI) (group 1, Goutallier stage 0 or 1; and group 2, Goutallier stage 2, 3, or 4), and tendon involvement (TI) (type 1, supraspinatus; type 2, supraspinatus and subscapularis; type 3, supraspinatus and infraspinatus; and type 4, all 3 tendons)...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789253/topographic-analysis-of-2-alternative-donor-sites-of-the-ipsilateral-elbow-in-the-treatment-of-capitellar-osteochondritis-dissecans
#14
Rens Bexkens, Michel P J van den Bekerom, Denise Eygendaal, Luke S Oh, Job N Doornberg
PURPOSE: To find the best topographic subchondral bone match between the capitellum and 2 proposed alternative donor sites of the ipsilateral elbow for capitellar osteochondral autologous transplantation: the non-articulating part of the radial head and the lateral olecranon tip. METHODS: In our retrospective database, 20 patients with an unremarkable computed tomography scan of the elbow despite clinical suspicion were identified for analysis. Included were patients aged 11 to 20 years with intact osseous structures and a computed tomography slice thickness of 1...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789252/a-history-of-anterior-cruciate-ligament-reconstruction-at-the-national-football-league-combine-results-in-inferior-early-national-football-league-career-participation
#15
Matthew T Provencher, James P Bradley, Jorge Chahla, Anthony Sanchez, Brendin R Beaulieu-Jones, Justin W Arner, Nicholas I Kennedy, George Sanchez, Mitchell I Kennedy, Gilbert Moatshe, Mark E Cinque, Robert F LaPrade
PURPOSE: To evaluate whether players with a history of an anterior cruciate ligament reconstruction (ACLR) before the National Football League (NFL) Combine played or started fewer games and/or participated in fewer eligible snaps compared with NFL Combine participants without a history of knee injury or surgery. METHODS: We performed a retrospective review of all players who participated in the NFL Combine between 2009 and 2015 and who had a history of an ACLR...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789251/influence-of-t%C3%A3-nnis-grade-on-outcomes-of-arthroscopic-management-of-symptomatic-femoroacetabular-impingement
#16
J W Thomas Byrd, Elizabeth A Bardowski, Kay S Jones
PURPOSE: To define the outcomes of arthroscopic correction of femoroacetabular impingement (FAI) based on Tönnis findings within a previously reported patient population, including a comparative analysis of Tönnis grade 0 and 1 versus grade 2 changes. METHODS: Outcomes (modified Harris Hip Score [mHHS]) of a previously published study of arthroscopic correction of FAI were correlated with Tönnis grade. The inclusion criteria were the first 100 consecutive patients undergoing arthroscopic FAI correction with minimum 2-year follow-up...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789250/sectioning-of-the-anterior-intermeniscal-ligament-changes-knee-loading-mechanics
#17
Matthieu Ollivier, Julie Falguières, Martine Pithioux, Philippe Boisrenoult, Phillippe Beaufils, Nicolas Pujol
PURPOSE: The purpose of this cadaver research project was to describe the biomechanical consequences of anterior intermeniscal ligament (AIML) resection on menisci function under load conditions in full extension and 60° of flexion. METHODS: Ten unpaired fresh frozen cadaveric knees were dissected leaving the knee joint intact with its capsular and ligamentous attachments. The femur and tibia were sectioned 15 cm from the joint line and mounted onto the loading platform...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789249/the-relationship-of-femoral-tunnel-positioning-in-medial-patellofemoral-ligament-reconstruction-on-clinical-outcome-and-postoperative-complications
#18
Philippe M Tscholl, Lukas Ernstbrunner, Linda Pedrazzoli, Sandro F Fucentese
PURPOSE: To analyze the relation of the femoral tunnel (FT) positioning on clinical outcome. METHODS: Patients with recurrent patellar dislocation who underwent medial patellofemoral ligament (MPFL) reconstruction with or without tibial tubercle osteotomy between 1998 and 2012 were included in this retrospective study. Strict postoperative lateral radiographs were mandatory. Knees with previous osseous stabilization surgery, fixed lateral patellar dislocation, valgus knee (>5°), or open growth plates were excluded...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789248/native-enthesis-preservation-versus-removal-in-rotator-cuff-repair-in-a-rabbit-model
#19
Wei Su, Xiaoxi Li, Song Zhao, Peng Shen, Shikui Dong, Jia Jiang, Jinzhong Zhao
PURPOSE: The purpose of this study was to explore whether preservation of native enthesis during rotator cuff repair (RCR) results in a histologically and biomechanically better rotator cuff-greater tuberosity (RC-GT) connection in an animal model. METHODS: Thirty-six New Zealand white rabbits were used in this study. The supraspinatus tendons were cut from the footprint to create a rotator cuff tear (RCT) on both shoulders, followed by immediate repair, with a 1 mm thick tendon stump remaining on the footprint...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789247/preoperative-depression-is-negatively-associated-with-function-and-predicts-poorer-outcomes-after-hip-arthroscopy-for-femoroacetabular-impingement
#20
Kyle R Sochacki, Lindsey Brown, Kathleen Cenkus, Stephanie Di Stasi, Joshua D Harris, Thomas J Ellis
PURPOSE: (1) To determine the prevalence of depression in patients undergoing hip arthroscopy for the treatment of femoroacetabular impingement (FAI) syndrome and (2) to determine whether depression has a statistically significant and clinically relevant effect on preoperative and postoperative patient-reported outcome scores. METHODS: Consecutive subjects undergoing hip arthroscopy for FAI syndrome were retrospectively reviewed. The Beck Depression Inventory-II (BDI-II), Hip Outcome Score (HOS), and 33-item International Hip Outcome Tool (iHOT-33) were administered preoperatively and postoperatively...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
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