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Shoulder subluxation

Mohamed M Abou Elatta, Foad Assal, Hussam M Basheer, Mazen Mohamed Ibrahim
Volar fracture dislocation is very uncommon, with few series reported in the literature. Patients with such injuries were treated by modified dynamic external fixators. The mean follow-up was 18 months (range, 6 to 92 mo). The mean range of interphalangeal (proximal interphalangeal) joints and distal interphalangeal joints were 90 and 74 degrees, respectively. The total active range of motion (TAM) was excellent (256 degrees). The mean quick disabilities of the arm, shoulder and hand score was 1.2. The advantages of our external fixators are that they are simple, cheap, adjustable, and allow immediate range of motion...
October 21, 2016: Techniques in Hand & Upper Extremity Surgery
Ivan J Antosh, John M Tokish, Brett D Owens
CONTEXT: Posterior shoulder instability has become more frequently recognized and treated as a unique subset of shoulder instability, especially in the military. Posterior shoulder pathology may be more difficult to accurately diagnose than its anterior counterpart, and commonly, patients present with complaints of pain rather than instability. "Posterior instability" may encompass both dislocation and subluxation, and the most common presentation is recurrent posterior subluxation. Arthroscopic and open treatment techniques have improved as understanding of posterior shoulder instability has evolved...
October 3, 2016: Sports Health
Christelle Pons, Dinomais Mickael, Franck Fitoussi, Marie-Charlotte D'Anjou, Mélanie Porte, Emilie Rumilly, Nathaly Quintero, Philippe Violas, Sylvain Brochard
OBJECTIVE: In children with obstetrical brachial plexus palsy (OBPP), shoulder musculoskeletal deformity is the main cause of morbidity, with a loss of range of shoulder motion, pain and a reduction in social participation. Some uncontrolled studies show that early injections of botulinum toxin (BTI) in the internal shoulder rotator muscles (which cause the deformity) are one of the most promising treatments for the prevention of bony deformity. The main objective of this study will be the evaluation of the effectiveness of BTI in the internal shoulder rotator muscles at the age of 6 months in preventing an increase in posterior subluxation of the glenohumeral joint in babies with OBPP (evaluated at the ages of 5 and 12 months), compared with a placebo...
September 2016: Annals of Physical and Rehabilitation Medicine
Kathleen J Maguire, Norman Y Otsuka
: Shoulder dislocation is relatively uncommon in the younger pediatric population. Because of the relative strength of the surrounding soft tissue structures of the shoulder compared with the proximal humeral physis, subluxation or dislocation resulting from a traumatic event or application of force is rare and instead a proximal humeral physeal injury occurs. Case presentation - We present a 5-year-old male who presented to the office with post-traumatic left shoulder pain for about 1 week...
September 3, 2016: Journal of Pediatric Orthopedics. Part B
Stephen A Parada, Josef K Eichinger, Guillaume D Dumont, Lauren E Burton, Maggie S Coats-Thomas, Stephen D Daniels, Nathan J Sinz, Matthew T Provencher, Laurence D Higgins, Jon J P Warner
PURPOSE: To evaluate glenoid version and humeral subluxation on preoperative multiplanar imaging of patients who underwent surgery for posterior glenohumeral instability compared with a matched group of patients who had shoulder surgery for other pathology. METHODS: All patients over a 2-year period who underwent surgery for posterior instability had preoperative magnetic resonance (MR) imaging or MR arthrogram reviewed. Patients undergoing shoulder surgery for reasons other than instability were identified as a control group and matched by sex, laterality, and age...
September 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Tyler J Brolin, Ryan P Mulligan, Frederick M Azar, Thomas W Throckmorton
BACKGROUND: Recent emphasis on safe and efficient delivery of high-quality health care has increased interest in outpatient total joint arthroplasty. The purpose of this study was to evaluate the safety of outpatient total shoulder arthroplasty (TSA) by comparing episode-of-care complications in matched cohorts of patients with anatomic TSA as an outpatient or inpatient procedure. METHODS: Thirty patients with outpatient TSA at a freestanding ambulatory surgery center (ASC) were compared with an age- and comorbidities-matched cohort of 30 patients with traditional inpatient TSA to evaluate 90-day episode-of-care complications, including hospital admissions or readmissions and reoperations...
August 31, 2016: Journal of Shoulder and Elbow Surgery
Peter N Chalmers, Dane Salazar, Aaron Chamberlain, Jay D Keener
BACKGROUND: Glenoid retroversion may accelerate glenoid loosening after total shoulder arthroplasty. Accurate measurement of preoperative glenoid deformity is critical for decision-making and prognostication. The purpose of this study was to determine whether glenoid version, inclination, and depth and humeral subluxation measurements on computed tomography (CT) scan slices oriented in the plane of the body differ from those oriented in the scapular plane and those obtained by automated 3-dimensional reconstruction software in the setting of a biconcave B2-type glenoid...
August 31, 2016: Journal of Shoulder and Elbow Surgery
F J López-Valdés, O Juste-Lorente, M Maza-Frechin, B Pipkorn, C Sunnevang, A Lorente, A Aso-Vizan, J Davidsson
OBJECTIVE: The objective of this article is to analyze the kinematics and dynamics of restrained postmortem human surrogates (PMHS) exposed to a nearside oblique impact and the injuries that were found after the tests. METHODS: Three male PMHS of similar age (64 ± 4 years) and anthropometry (weight: 61 ± 9.6 kg; stature: 172 ± 2.7 cm) were exposed to a 30° nearside oblique impact at 34 km/h. The test fixture approximated the seating position of a front seat occupant...
September 2016: Traffic Injury Prevention
Yu C Huang, Chau P Leong, Lin Wang, Lin Y Wang, Yu C Yang, Chien Y Chuang, Yi J Hsin
BACKGROUND: Hemiplegic shoulder pain (HSP) impedes functional motor recovery of the affected limbs and negatively affects quality of life and daily activities. Kinesiology taping (KT) may provide improvement in hemiplegic shoulder pain and upper extremity function after an acute stroke. AIM: To assess the impact of KT on HSP, upper extremity functional outcomes, and the prevention of shoulder soft tissue injury in subacute stroke patients with hemiplegic shoulders during rehabilitation...
August 30, 2016: European Journal of Physical and Rehabilitation Medicine
Mandeep S Virk, Richard L Manzo, Mark Cote, James K Ware, Augustus D Mazzocca, Carl W Nissen, Kevin P Shea, Robert A Arciero
BACKGROUND: The results of open and arthroscopic instability repairs have been shown to be equivalent in recent literature. PURPOSE: To compare the time to recurrence (TTR) of instability and disease-specific outcome measures in patients undergoing open and arthroscopic Bankart repair. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Patients with recurrent traumatic anterior shoulder instability and a Bankart lesion on diagnostic arthroscopy underwent either open Bankart repair (OB) or arthroscopic Bankart and suture capsulorrhaphy (ABSC) using suture anchors...
June 2016: Orthopaedic Journal of Sports Medicine
M Brett Raynor, Marilee P Horan, Joshua A Greenspoon, J Christoph Katthagen, Peter J Millett
BACKGROUND: Outcomes after arthroscopic pancapsular capsulorrhaphy (APC) with suture anchors for multidirectional instability (MDI) of the shoulder are not widely reported. PURPOSE: To compare intraoperative findings and midterm outcomes of APC with suture anchors for MDI between female and male athletes and between a classic, atraumatic onset versus clinical onset of MDI after a traumatic event. STUDY DESIGN: Cohort study; Level of evidence, 3...
August 19, 2016: American Journal of Sports Medicine
Joseph W Galvin, Stephen A Parada, Xinning Li, Josef K Eichinger
BACKGROUND: Posterior shoulder instability is less common and potentially more difficult to diagnose clinically and radiographically compared with anterior shoulder instability. Radiographic findings including posterior labral tears, increased retroversion, presence of glenoid dysplasia, and increased capsular area are associated with symptomatic recurrent posterior shoulder instability. PURPOSE: This study aimed to determine the prevalence and severity of associated radiographic parameters found on magnetic resonance arthrograms (MRAs) in patients with arthroscopically confirmed isolated posterior labral tears and symptomatic recurrent posterior shoulder instability, compared with an age-matched cohort of patients without posterior instability or labral injury confirmed with shoulder arthroscopy...
August 15, 2016: American Journal of Sports Medicine
Sung Ho Jang, Ji Hyun Yi, Chul Hoon Chang, Young Jin Jung, Seong Ho Kim, Jun Lee, Jeong Pyo Seo
We attempted to determine whether shoulder subluxation at the early stage of stroke can predict motor outcome in relation to the corticospinal tract (CST) state on diffusion tensor tractography.Fifty-nine stroke patients with severe hemiparesis were recruited. The patients were classified according to the distance of shoulder subluxation (group A: ≥2 cm, group B: <2 cm) and the affected CST on diffusion tensor tractography at the first evaluation (CST type A-the CST was discontinued at the stroke lesion; CST type B-the integrity of the CST was preserved)...
August 2016: Medicine (Baltimore)
Lane N Rush, Nicholas Lake, Eric C Stiefel, Edward R Hobgood, J Randall Ramsey, Michael J O'Brien, Larry D Field, Felix H Savoie
BACKGROUND: Numerous techniques have been used to treat acromioclavicular (AC) joint dislocation, with anatomic reconstruction of the coracoclavicular (CC) ligaments becoming a popular method of fixation. Anatomic CC ligament reconstruction is commonly performed with cortical fixation buttons (CFBs) or tendon grafts (TGs). PURPOSE: To report and compare short-term complications associated with AC joint stabilization procedures using CFBs or TGs. STUDY DESIGN: Cohort study; Level of evidence, 3...
July 2016: Orthopaedic Journal of Sports Medicine
Gabriela Lopes Santos, Luisa Fernanda García-Salazar, Matheus Bragança Souza, Ana Beatriz Oliveira, Paula Rezende Camargo, Thiago Luiz Russo
OBJECTIVE: To characterize sensorimotor control and muscle activation in the shoulder of chronic hemiparetic during abduction and flexion in maximal and submaximal isometric contractions. Furthermore, to correlate submaximal sensorimotor control with motor impairment and degree of shoulder subluxation. METHODS: Thirteen chronic hemiparetic post-stroke age-gender matched with healthy were included. Isometric torques were assessed using a dynamometer. Electromyographic activity of the anterior and middle deltoid, upper trapezius, pectoralis major and serratus anterior muscles were collected...
October 2016: Journal of Electromyography and Kinesiology
Jacqueline L Hislop-Jambrich, John M Troupis, Afshin Kamali Moaveni
Recurrent symptomatic sternoclavicular (SC) joint instability is rare and most commonly occurs following high-energy trauma or in patients with generalized ligamentous laxity. We report an unusual case of an atraumatic posterior subluxation of the SC joint, leading to a feeling of choking. The posterior subluxation, which occurred during shoulder motion and in supine body position, was demonstrated using a dynamic wide-volume 4-dimensional computed tomography scan. Based on continuing patient symptoms and imaging findings, surgical stabilization of the SC joint was undertaken...
July 2016: Journal of Computer Assisted Tomography
Antonios Giannakos, Peter S Vezeridis, Daniel G Schwartz, Richard Jany, Laurent Lafosse
PURPOSE: To describe the technique of an all-arthroscopic Eden-Hybinette procedure in the revision setting for treatment of a failed instability procedure, particularly after failed Latarjet, as well as to present preliminary results of this technique. METHODS: Between 2007 and 2011, 18 shoulders with persistent instability after failed instability surgery were treated with an arthroscopic Eden-Hybinette technique using an autologous bicortical iliac crest bone graft...
July 15, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
J Pogorzelski, K Beitzel, A B Imhoff, S Braun
OBJECTIVE: Shoulder stabilization. INDICATIONS: Symptomatic recurrent anterior shoulder instability combined with glenoid bone loss of approximately 20-35 % of the glenoid surface, engaging Hill-Sachs lesion and/or previously failed arthroscopic Bankart repair. In patients with a high risk of redislocation (contact sports) or irreparable soft tissue injury the Latarjet procedure can be considered as a first-line treatment. CONTRAINDICATIONS: Contraindicated if arthroscopic Bankart repair is possible...
July 12, 2016: Operative Orthopädie und Traumatologie
Francisco Abaete Chagas-Neto, Vitor Faeda Dalto, Michel Daoud Crema, Peter M Waters, Everaldo Gregio-Junior, Nilton Mazzer, Marcello Henrique Nogueira-Barbosa
OBJECTIVE: To assess imaging parameters related to the morphology of the glenohumeral joint in children with unilateral brachial plexus birth palsy (BPBP), in comparison with those obtained for healthy shoulders. MATERIALS AND METHODS: We conducted a retrospective search for cases of unilateral BPBP diagnosed at our facility. Only patients with a clinical diagnosis of unilateral BPBP were included, and the final study sample consisted of 10 consecutive patients who were assessed with cross-sectional imaging...
May 2016: Radiologia Brasileira
Chelsea C Boe, Bassem T Elhassan
Restoration of shoulder function in patients with brachial plexus injury can be challenging. Initial reported efforts were focused on stabilizing the shoulder, improving inferior subluxation and restoring abduction and flexion of the joint. Recent advancements and improved understanding of coordinated shoulder motion and the biomechanical properties of the muscles around the shoulder applicable to tendon transfer have expanded available surgical options to improve shoulder function, specifically external rotation...
August 2016: Hand Clinics
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