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injury of the suprascapular nerve

Andreas B Imhoff, Felix Dyrna
To minimize risks during arthroscopic-assisted reduction and internal fixation of acromioclavicular dislocation, drilling should only be performed with an anatomically reduced clavicle. This re-creates the important distances to the neurovascular structures because a posteriorly displaced clavicle reduces the distance to the suprascapular nerve. In addition, visualization is of high importance for the arthroscopic coracoid preparation, as are mini-open incisions, to create an accurate and well-placed tunnel for drilling...
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
K W S J Huan, J S W Tan, S H Tan, L C Teoh, F C Yong
: In upper (C5-C7) and total (C5-T1) root avulsion brachial plexus injury, a method of double neurotization from a single donor spinal accessory nerve to two target nerves (suprascapular nerve and axillary nerve) may be done, leaving donor nerves available for reconstruction procedures to restore other aspects of upper limb function. A mean range of shoulder abduction of 91° (SD 25°) was achieved through this procedure in our study of 13 cases, of which seven cases were C5-C7 root avulsion and six cases were C5-T1 root avulsion brachial plexus injuries...
December 1, 2016: Journal of Hand Surgery, European Volume
Anne-Laure Emond, Lélia Bertoni, Maeva Seignour, Virginie Coudry, Jean-Marie Denoix
OBJECTIVE To describe the clinical features, diagnostic procedures, management, and outcome of horses with peripheral neuropathy of a forelimb. DESIGN Retrospective case series. ANIMALS 27 horses. PROCEDURES Records from 2000 to 2013 were reviewed to identify horses with peripheral neuropathy of a forelimb. Horses were grouped as having predominant lesions of a suprascapular nerve, axillary nerve, or radial nerve (alone or in association with other brachial plexus nerves) on the basis of physical examination and diagnostic imaging findings...
November 15, 2016: Journal of the American Veterinary Medical Association
J-N Goubier, F Teboul
Recovery of shoulder function is a real challenge in cases of partial brachial plexus palsy. Currently, in C5-C6 root injuries, transfer of the long head of the triceps brachii branch is done to revive the deltoid muscle. Spinal accessory nerve transfer is typically used for reanimation of the suprascapular nerve. We propose an alternative technique in which the nerve of the rhomboid muscles is transferred to the suprascapular nerve. A 33-year-old male patient with a C5-C6 brachial plexus injury with shoulder and elbow flexion palsy underwent surgery 7 months after the injury...
October 2016: Hand Surgery and Rehabilitation
Alexandre Hardy, Philippe Loriaut, Benjamin Granger, Ahmed Neffati, Audrey Massein, Laurent Casabianca, Hugues Pascal-Moussellard, Antoine Gerometta
PURPOSE: The arthroscopic Latarjet procedure has provided reliable results in the treatment of anterior shoulder instability. However, this procedure remains technically challenging and is related to several complications. The morphology of the coracoid and the glenoid are inconsistent. Inadequate coracoid and glenoid preparing may lead to mismatching between their surfaces. Inadequate screws lengthening and orientation are a major concern. Too long screws can lead to suprascapular nerve injuries or hardware irritation, whereas too short screws can lead to nonunions, fibrous unions or migration of the bone block...
October 12, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Ryuzo Arai, Hideto Harada, Hiroyuki Tsukiyama, Yoshimitsu Takahashi, Masahiko Kobayashi, Takahiko Saji, Shuichi Matsuda
BACKGROUND: For shoulder arthroscopy, few anatomical landmarks are available and inexperienced surgeons tend to be adrift due to the limited visual field of the scope. The purpose of this study was to demonstrate the useful landmarks around the glenoid for accurate orientation, and also the safe distance to avoid suprascapular nerve injury during surgical procedures around the glenoid. METHODS: In 15 human solution-fixed cadavers, a cross-section of the shoulder joint on the labrum surface was created...
November 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
Alexandre Hardy, Antoine Gerometta, Benjamin Granger, Audrey Massein, Laurent Casabianca, Hugues Pascal-Moussellard, Philippe Loriaut
PURPOSE: The Latarjet procedure has shown its efficiency for the treatment of anterior shoulder dislocation. The success of this technique depends on the correct positioning and fusion of the bone block. The length of the screws that fix the bone block can be a problem. They can increase the risk of non-union if too short or be the cause of nerve lesion or soft tissue discomfort if too long. Suprascapular nerve injuries have been reported during shoulder stabilisation surgery up to 6 % of the case...
August 25, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
B A Ghanghurde, R Mehta, K M Ladkat, B B Raut, M R Thatte
UNLABELLED: The purpose of this study was to examine the results of spinal accessory nerve to suprascapular nerve (with or without axillary nerve neurotization) and an Oberlin transfer as primary treatment in children with Narakas type I obstetric brachial plexus injuries, when parents refused to consent to conventional nerve trunk-/root-level reconstruction. A total of 20 children with poor shoulder abduction and no biceps antigravity function but with good hand function were treated with spinal accessory nerve to suprascapular nerve and an Oberlin transfer at a mean age of 5...
October 2016: Journal of Hand Surgery, European Volume
Gary M Gartsman, Wame N Waggenspack, Daniel P O'Connor, Hussein A Elkousy, T Bradley Edwards
BACKGROUND: Immediate and early postoperative complications of the Latarjet procedure are not well documented in the literature. The purpose of this study was to report the procedure-related complications of our large consecutive case series of 3 surgeons at a single high-volume center. METHODS: We conducted a retrospective chart review of 416 Latarjet procedures performed on 400 patients (16 patients had bilateral procedures) who underwent surgery by the 3 senior authors from October 2002 to July 2015...
January 2017: Journal of Shoulder and Elbow Surgery
George Paraskevas, Konstantinos Koutsouflianiotis, Kalliopi Iliou, Theodosios Bitsis, Panagiotis Kitsoulis
A double upper subscapular nerve on the right side was detected in a male cadaver, with the proximal one arising from the suprascapular nerve and the distal one from the posterior division of the upper trunk of the brachial plexus. Both of them penetrated and supplied the uppermost portion of the right subscapularis muscle. That anatomic variation was associated with a median nerve formed by two lateral roots. The origin and pattern of the upper subscapular nerve displays high variability, however the presented combination of the variable origin of a double upper subscapular nerve has rarely been described in the literature...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
K Collins, M Storey, K Peterson, P Nutter
In brief: Nerve injuries in athletes may be serious and may delay or prevent an athlete's return to his or her sport. Over a two-year period, the authors evaluated the condition of 65 patients who had entrapments of a nerve or nerve root, documented with electromyography. They describe four case histories: Two patients had radial nerve entrapments, one caused by baseball pitching and the other by kayaking; one football player had combined suprascapular neuropathy and upper trunk brachial plexopathy; and one patient had carpal tunnel syndrome of a median nerve secondary to rowing...
January 1988: Physician and Sportsmedicine
Mohammadreza Emamhadi, Babak Alijani, Sasan Andalib
BACKGROUND: For the reconstruction of brachial plexus lesions, restoration of elbow flexion and shoulder function is fundamental and is achieved by dual nerve transfers. Shoulder stabilization and movement are crucial in freedom of motion of the upper extremity. In patients with C5-C6 brachial plexus injury, spinal accessory nerve transfer to the suprascapular nerve and a fascicle of ulnar nerve to musculocutaneous nerve (dual nerve transfer) are carried out for restoration of shoulder abduction and elbow flexion, respectively...
September 2016: Acta Neurochirurgica
Elizabeth Matzkin, Kaytelin Suslavich, David Wes
Swimmer's shoulder is a broad term often used to diagnose shoulder injury in swimmers. However, research has elucidated several specific shoulder injuries that often are incurred by the competitive swimmer. Hyperlaxity, scapular dyskinesis, subacromial impingement, labral damage, os acromiale, suprascapular nerve entrapment, and glenohumeral rotational imbalances all may be included within a differential diagnosis for shoulder pain in the competitive swimmer. An understanding of the mechanics of the swim stroke, in combination with the complex static and dynamic properties of the shoulder, is essential to the comprehension and identification of the painful swimmer's shoulder...
August 2016: Journal of the American Academy of Orthopaedic Surgeons
Heather L Baltzer, Eric R Wagner, Michelle F Kircher, Robert J Spinner, Allen T Bishop, Alexander Y Shin
PURPOSE: Our objective was to determine the prevalence and quality of restored external rotation (ER) in adult brachial plexus injury (BPI) patients who underwent spinal accessory nerve (SAN) to suprascapular nerve (SSN) transfer, and to identify patient and injury factors that may influence results. METHODS: Fifty-one adult traumatic BPI patients who underwent SAN to SSN transfer between 2000 and 2013, all treated less than 1 year after injury with >1 year follow-up...
May 21, 2016: Microsurgery
Kaihan Yao, Wei Ping Yew
Suprascapular nerve injury is increasingly being recognized as an important cause of shoulder dysfunction. The non-specific clinical features of suprascapular nerve injury can make diagnosis difficult. However, it is essential for clinicians to consider it as part of the differential diagnoses in patients with vague pain or sensory disturbances over the posterosuperior part of their shoulder or have unexplained atrophy and weakness of their supraspinatus or infraspinatus muscle. Electrodiagnostic studies are useful in confirming and localising the nerve injury, while MRIs can be employed to determine the cause of nerve injury and assess the integrity of the rotator cuff muscles...
May 13, 2016: Journal of Back and Musculoskeletal Rehabilitation
Kate E Elzinga, Matthew W T Curran, Michael J Morhart, K Ming Chan, Jaret L Olson
Reconstruction of the suprascapular nerve (SSN) after brachial plexus injury often involves nerve grafting or a nerve transfer. To restore shoulder abduction and external rotation, a branch of the spinal accessory nerve is commonly transferred to the SSN. To allow reinnervation of the SSN, any potential compression points should be released to prevent a possible double crush syndrome. For that reason, the authors perform a release of the superior transverse scapular ligament at the suprascapular notch in all patients undergoing reconstruction of the upper trunk of the brachial plexus...
July 2016: Journal of Hand Surgery
Baris Kocaoglu, Tekin Kerem Ulku, Safiye Sayilir, Mehmet Ugur Ozbaydar, Alp Bayramoglu, Mustafa Karahan
PURPOSE: The aim of our study was to evaluate the risk of medial glenoid perforation and possible injury to suprascapular nerve during arthroscopic SLAP repair using lateral transmuscular portal. METHODS: Ten cadaveric shoulder girdles were isolated and drilled at superior glenoid rim from both anterior-superior portal (1 o'clock) and lateral transmuscular portal (12 o'clock) for SLAP repairs. Drill hole depth was determined by the manufacturer's drill stop (20 mm), and any subsequent drill perforations through the medial bony surface of the glenoid were directly confirmed by dissection...
March 29, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Bernardo Barcellos Terra, Eric Figueiredo Gaspar, Karina Levy Siqueira, Nivaldo Souza Cardozo Filho, Gustavo Cará Monteiro, Carlos Vicente Andreoli, Benno Ejnisman
OBJECTIVE: To establish the anatomical relationship of the suprascapular nerve (SSN) located in the suprascapular notch, to the medial border of the base of the coracoid process, the acromial joint surface of the acromioclavicular joint and the anterolateral border of the acromion. METHODS: We dissected 16 shoulders of 16 cadavers (9 males and 7 females). The distances from the suprascapular nerve (at its passage beneath the transverse ligament) to certain fixed points on the medial border of the base of the coracoid process, the acromial joint surface of the acromioclavicular joint, and the anterolateral border of the acromion were measured with the aid of calipers and correlated with age and sex...
May 2010: Revista Brasileira de Ortopedia
Shirley M Potter, Scott I Ferris
We describe the clinical outcome of a novel nerve transfer to restore active shoulder motion in upper brachial plexus injury. The thoracodorsal nerve (TDN) was successfully used as a vascularized donor nerve to neurotize to the suprascapular nerve (SSN) in a patient with limited donor nerve availability. At 4 years follow-up, he had regained useful external rotation of the injured limb, with no significant donor site morbidity. Shoulder abduction return was less impressive, however, and reasons for this are discussed...
2016: Frontiers in Surgery
Scott L Zuckerman, Laura A Allen, Camille Broome, Nadine Bradley, Charlie Law, Chevis Shannon, John C Wellons
PURPOSE: This study aimed to investigate the functional outcomes of infants who underwent neurotization for shoulder abduction and elbow flexion in Narakas grade 1 birth-related brachial plexus palsy (BRBPP) and compare this cohort to children who progressed past the point of needing intervention. METHODS: A cohort study was conducted at a single center between 1999 and 2010. Two-hundred and eight infants were identified with BRBPP that presented for neurosurgical care as infants...
May 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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