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https://www.readbyqxmd.com/read/28820271/cam-deformities-and-limited-hip-range-of-motion-are-associated-with-early-osteoarthritic-changes-in-adolescent-athletes-a-prospective-matched-cohort-study
#1
Cody C Wyles, Germán A Norambuena, Benjamin M Howe, Dirk R Larson, Bruce A Levy, Brandon J Yuan, Robert T Trousdale, Rafael J Sierra
BACKGROUND: The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE: To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28817407/nonoperative-management-of-labral-tears-of-the-hip-in-adolescent-athletes-description-of-sports-participation-interventions-comorbidity-and-outcomes
#2
Andrea Cianci, Dai Sugimoto, Andrea Stracciolini, Yi-Meng Yen, Mininder S Kocher, Pierre A dʼHemecourt
CONTEXT: Hip injury among young athletes is increasing, especially hip labral tears. Some tears may require surgical intervention, especially if they are associated with boney pathology such as femoroacetabular impingement (FAI). A protocol for nonoperative treatment of the hip labral tears is not well established. OBJECTIVE: To identify current nonoperative treatment options, comorbidities, sports participation, and outcomes of adolescent athletes who were diagnosed with hip labral tears...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28811313/a-key-role-for-foxq2-in-anterior-head-and-central-brain-patterning-in-insects
#3
Peter Kitzmann, Matthias Weißkopf, Magdalena Ines Schacht, Gregor Bucher
Anterior patterning of animals is based on a set of highly conserved transcription factors but the interactions within the protostome anterior gene regulatory network (aGRN) remain enigmatic. Here, we identify the red flour beetle Tribolium castaneum ortholog of foxQ2 (Tc-foxQ2) as a novel upstream component of the aGRN. It is required for the development of the labrum and higher order brain structures, namely the central complex and the mushroom bodies. We reveal Tc-foxQ2 interactions by RNAi and heat shock-mediated misexpression...
August 15, 2017: Development
https://www.readbyqxmd.com/read/28800708/multiplanar-correction-of-the-lesser-digital-deviation-and-indirect-plantar-plate-rupture-repair-using-a-braided-polyethylene-nylon-suture-a-technique-guide
#4
Cody D Blazek, Roberto A Brandão, Jeffrey M Manway, Patrick R Burns
Forefoot and lesser digital pathology continues to be a challenging area of surgical correction for foot and ankle surgeons. Many techniques for the correction of digital deformities secondary to plantar plate rupture, regardless of planal dominance, have been described including direct repair and metatarsal shortening osteotomies for repair. The authors present a new technique for multiplanar correction of deformed lesser digits without direct repair of the plantar plate rupture utilizing a specialty suture...
August 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28794582/what-are-the-anatomical-predictive-factors-of-degenerative-superior-labrum-anterior-to-posterior-lesion-in-rotator-cuff-tear
#5
Joong-Bae Seo, Jae-Sung Yoo, Joon-Yeul Lee, Kyoo-Hong Han
The purpose of this study was to evaluate the influence of anatomical factors degenerative superior labrum anterior to posterior lesion in rotator cuff tear. The study included 421 middle-aged patients treated using arthroscopic surgery for rotator cuff tears. Patients were divided into two groups based on the superior labrum anterior-to-posterior (SLAP). Glenoid inclination, glenoid length, humeral head diameter, acromio-humeral distance (AHD) head-glenoid difference (HGD), head glenoid angle (HGA), size and retraction of rotator cuff tears were evaluated in both groups...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28782498/results-of-arthroscopic-treatment-of-chondral-delamination-in-femoroacetabular-impingement-with-bone-marrow-stimulation-and-bst-cargel-%C3%A2
#6
Mahmoud Tahoun, Tamer Aly Shehata, Inmaculada Ormazabal, Jesús Mas, Javier Sanz, Marc Tey Pons
OBJECTIVES: The purpose of this study is to show the preliminary results of using chitosan-based scaffold (BST-CarGel(®)) with microfracture for treatment of acetabular chondral delamination associated with femoroacetabular impingement. METHODS: A prospective study was performed on 13 hips. Patients were selected in the age group between 18 and 50 years. Patients with delamination of acetabular cartilage associated with femoroacetabular impingement received arthroscopic debridement and microfracture technique...
2017: SICOT-J
https://www.readbyqxmd.com/read/28779796/editorial-commentary-more-evidence-of-the-importance-of-the-glenoid-labrum-magnetic-resonance-imaging-reveals-its-possibility-to-increase-both-version-and-diameter-of-the-glenoid
#7
EDITORIAL
Jüri-Toomas Kartus
An intact glenoid labrum has the possibility to increase both the version and the diameter of the glenoid, thus theoretically reducing the risk of instability.
August 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28777665/an-anatomic-and-biomechanical-comparison-of-bankart-repair-configurations
#8
Christopher H Judson, Andreas Voss, Elifho Obopilwe, Felix Dyrna, Robert A Arciero, Kevin P Shea
BACKGROUND: Suture anchor repair for anterior shoulder instability can be performed using a number of different repair techniques, but none has been proven superior in terms of anatomic and biomechanical properties. Purpose/Hypothesis: The purpose was to compare the anatomic footprint coverage and biomechanical characteristics of 4 different Bankart repair techniques: (1) single row with simple sutures, (2) single row with horizontal mattress sutures, (3) double row with sutures, and (4) double row with labral tape...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28777213/glenohumeral-instability-related-to-special-conditions-slap-tears-pan-labral-tears-and-multidirectional-instability
#9
Gregory S Van Blarcum, Steven J Svoboda
Glenohumeral instability is one of the more common conditions seen by sports medicine physicians, especially in young, active athletes. The associated anatomy of the glenohumeral joint (the shallow nature of the glenoid and the increased motion it allows) make the shoulder more prone to instability events as compared with other joints. Although traumatic dislocations or instability events associated with acute labral tears (ie, Bankart lesions) are well described in the literature, there exists other special shoulder conditions that are also associated with shoulder instability: superior labrum anterior/posterior (SLAP) tears, pan-labral tears, and multidirectional instability...
September 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/28769675/three-new-remarkable-species-of-the-genus-endonura-cassagnau-1979-from-the-middle-east-and-central-asia-collembola-neanuridae-neanurinae-neanurini
#10
Adrian Smolis, Masoumeh Shayanmehr, Nataliya Kuznetsova, Elham Yoosefi Lafooraki
New species belonging to the genus Endonura is described and illustrated in detail. Endonura longirostrissp. n., from northern Iran, is distinctive due to an exceptionally elongate buccal cone compared to that of most other species of the genus. Other characteristic features of the species are the white body with pigmented eyes, a reduced chaetotaxy of the lateral part of the head, the thorax II-III and abdomen I-III with free chaetae De2 and 3, and abdomen IV with particularly short chaetae Di1. The main characteristics of Endonura paracentaureasp...
2017: ZooKeys
https://www.readbyqxmd.com/read/28743801/foxq2-has-a-key-role-in-anterior-head-and-central-brain-patterning-in-insects
#11
Peter Kitzmann, Matthias Weißkopf, Magdalena Ines Schacht, Gregor Bucher
Anterior patterning of animals is based on a set of highly conserved transcription factors but the interactions within the protostome anterior gene regulatory network (aGRN) remain enigmatic. Here, we identify the foxQ2 ortholog of the red flour beetle Tribolium castaneum as novel upstream component of the aGRN. It is required for the development of the labrum and higher order brain structures, namely the central complex and the mushroom bodies. We reveal Tc-foxQ2 interactions by RNAi and heat shock-mediated misexpression...
July 25, 2017: Development
https://www.readbyqxmd.com/read/28731779/arthroscopic-labral-base-repair-in-the-hip-5-year-minimum-clinical-outcomes
#12
Benjamin G Domb, Leslie C Yuen, Victor Ortiz-Declet, Jody Litrenta, Itay Perets, Austin W Chen
BACKGROUND: Arthroscopic labral base repair (LBR) in the hip is a previously described technique designed to restore the native functional anatomy of the labrum by reproducing its seal against the femoral head. LBR has been shown to have good short-term outcomes. Hypothesis/Purpose: The purpose was to evaluate clinical outcomes of an LBR cohort with a minimum 5-year follow-up. It was hypothesized that patients who underwent LBR would continue to have significant improvement from their preoperative scores and maintain scores similar to their 2-year outcomes...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28710344/position-of-immobilization-after-first-time-traumatic-anterior-glenohumeral-dislocation-a-literature-review
#13
Olga Gutkowska, Jacek Martynkiewicz, Jerzy Gosk
Anterior glenohumeral dislocation affects about 2% of the general population during the lifetime. The incidence of traumatic glenohumeral dislocation ranges from 8.2 to 26.69 per 100 000 population per year. The most common complication is recurrent dislocation occurring in 17-96% of the patients. The majority of patients are treated conservatively by closed reduction and immobilization in internal rotation for 2-3 weeks. However, no clear conservative treatment protocol exists. Immobilization in external rotation can be considered an alternative...
July 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28706843/a-modification-of-the-active-compression-test-for-the-shoulder-biceps-labrum-complex
#14
Ekaterina Urch, Samuel A Taylor, Helen Zitkovsky, Stephen J O'Brien, Joshua S Dines, David M Dines
The active compression test (O'Brien Sign) is widely used by physicians to aid in the diagnosis of biceps-labrum complex disease. This maneuver has been particularly criticized in the literature, however, with regard to interobserver reliability. Criticisms may in fact stem from inaccurate and inconsistent practice of the examination maneuver, stemming from both patient- and physician-related errors. In this Technical Note, we introduce an easy modification to the O'Brien Sign that limits such errors and improves test uniformity...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706825/treatment-of-irreducible-traumatic-anterior-shoulder-dislocation-caused-by-subscapularis-tendon-interposition
#15
Maysara Abdelhalim Bayoumy, Hatem G Said, Ayman Farouk Abdelkawi, Tarek N Fetih
Irreducible shoulder dislocation is an uncommon event. When it does occur, blocks to reduction can include bone, labrum, rotator cuff musculature, or tendon. Concomitant rotator cuff tear at the time of initial dislocation is not an exclusive complication of anterior shoulder dislocation in the older population. Indeed, rotator cuff tear should not be excluded based solely on the patient's age. Rotator cuff interposition is not an uncommon complication after anterior dislocation of the shoulder. It should be suspected when there is incongruency of the joint and persistent subluxation on postreduction radiographs...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706819/circumferential-labral-reconstruction-using-the-knotless-pull-through-technique-surgical-technique
#16
Itay Perets, David E Hartigan, Edwin O Chaharbakhshi, John P Walsh, Mary R Close, Benjamin G Domb
Arthroscopic labral reconstruction is an alternative procedure for an irreparable hip labrum in the nonarthritic hip population. Although labral reconstruction is a relatively new procedure, data in the literature show favorable outcomes. Patients have shown beneficial outcomes from labral reconstructive surgery as well as when compared with labral repair and debridement patients. However, one of the challenges in performing labral reconstruction has been correctly measuring the graft to perfectly fit the area of labral deficiency...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706809/posterolateral-acetabuloplasty-and-distal-femoral-neckplasty-labral-repair-and-capsular-plication-for-hip-reverse-contre-coupe-lesion
#17
Sivashankar Chandrasekaran, John P Walsh, David E Hartigan, Parth Lodhia, Carlos Suarez-Ahedo, Benjamin G Domb
This article describes the arthroscopic approach and management of a "reverse contre-coup" injury to the hip labrum. The injury occurs in the setting of posterolateral acetabular rim over-coverage impinging on the distal femoral neck in extension causing the femoral head to lever out anteriorly against the labrum. Ligamentous laxity and associated loss of anterior capsular restraint allow increased femoral head translation, adding further insult to the anterior labrum. The arthroscopic approach entails not only a labral repair with correction of the osseous conflict but also restoration of soft-tissue stability to minimize anterior femoral translation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706807/labral-gracilis-tendon-allograft-reconstruction-and-cartilage-regeneration-scaffold-for-an-uncontained-acetabular-cartilage-defect-of-the-hip
#18
Laurel E MacInnis, Ahmed Al Hussain, Catherine Coady, Ivan H Wong
Hip cartilage injuries are very common, with rates as high as 50% having been reported in some series; abnormal femoral acetabular contact can result in a full-thickness cartilage defect or labral lesion. The prevalence of labral lesions can be as high as 55%. This Technical Note describes an arthroscopic technique to reconstruct an uncontained, full-thickness, focal cartilage defect of the acetabulum, with reconstruction of the missing labrum using a gracilis allograft and use of a biological liquid scaffold for cartilage reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28696789/arthroscopic-knot-removal-for-failed-superior-labrum-anterior-posterior-repair-secondary-to-knot-induced-pain
#19
Jung Gwan Park, Nam Su Cho, Jung Youn Kim, Jong Hoon Song, Se Jung Hong, Yong Girl Rhee
BACKGROUND: Studies on failed superior labrum anterior-posterior (SLAP) repair are increasing. However, the number of reports on treatment options for failed SLAP repair remains quite low, and the clinical results vary between different study groups. PURPOSE: To describe the clinical presentation of failed SLAP repair due to knot-induced pain and evaluate the efficacy of arthroscopic knot removal. STUDY DESIGN: Case series; Level of evidence, 4...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28675978/concomitant-slap-repair-does-not-influence-the-surgical-outcome-for-arthroscopic-bankart-repair-of-traumatic-shoulder-dislocations
#20
Nuri Aydin, Mehmet Bekir Unal, Mustafa Asansu, Okan Tok
BACKGROUND: Prior studies revealed the presence of superior labrum anterior-to-posterior (SLAP) injury together with Bankart lesions in some patients. The purpose of the study is to compare the clinical results of isolated Bankart repairs with the clinical results of Bankart repairs when performed with concomitant SLAP repairs. METHODS: The patients who underwent arthroscopic surgery for treatment of anterior glenohumeral instability were evaluated retrospectively...
May 2017: Journal of Orthopaedic Surgery
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