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https://www.readbyqxmd.com/read/29338908/relationship-between-neuropathy-proximal-to-the-suprascapular-nerve-and-rotator-cuff-tear-in-a-rodent-model
#1
Yasuhito Sasaki, Nobuyasu Ochiai, Eiko Hashimoto, Yu Sasaki, Takeshi Yamaguchi, Takehiro Kijima, Koji Akimoto, Seiji Ohtori, Kazuhisa Takahashi
BACKGROUND: Rotator cuff tears are believed to coexist with cervical spine lesions. In cases of preexisting neuropathy, such as cervical spine lesions, fatty degeneration has likely already occurred due to the neuropathy. In these cases, rotator cuff tear is thought to occur easily because of preexisting extensive fatty degeneration and degeneration of the tendons due to neuropathy. This study aimed to evaluate the effects of paralysis due to neuropathy proximal to the suprascapular nerve on the supraspinatus and infraspinatus tendons using a rat model of brachial plexus paralysis...
January 12, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29332226/monocortical-fixation-of-the-coracoid-in-the-latarjet-procedure-is-significantly-weaker-than-bicortical-fixation
#2
Uli Schmiddem, Nael Hawi, Emmanouil Liodakis, Antonios Dratzidis, Manuel Kraemer, Christof Hurschler, Richard Page, Rupert Meller
PURPOSE: A crucial step of the Latarjet procedure is the fixation of the coracoid process onto the glenoid. Multiple problems associated with the fixation have been described, including lesions of the suprascapular nerve due to prominence of the screw or bicortical drilling. The purpose of the present study was to evaluate whether monocortical fixation, without perforating the posterior glenoid cortex, would provide sufficient graft stability. METHODS: Coracoid transfer was performed in 14 scapula models (Sawbones®, Composite Scapula, 4th generation)...
January 13, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29325703/the-prevalence-and-morphometric-analysis-of-ossified-superior-transverse-scapular-ligaments-in-patients-with-rotator-cuff-tears
#3
Jung Youn Kim, Yong Girl Rhee
BACKGROUND: The prevalence of ossified superior transverse scapular ligaments (OSTSLs) in rotator cuff tears (RCTs) has not yet been determined. The purposes of this study were to evaluate the prevalence of OSTSLs in RCTs and to investigate the correlation between OSTSL morphology and supraspinatus muscle atrophy. METHODS: We analyzed a total of 213 patients with RCTs for whom 3-dimensional (3D) computed tomography (CT) and magnetic resonance imaging were performed prior to arthroscopic procedures...
January 8, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29314501/peripheral-nerve-stimulation-for-chronic-shoulder-pain-a-proof-of-concept-anatomy-study
#4
Michael Gofeld, Anne Agur
OBJECTIVES: Although spinal cord and dorsal root ganglia stimulation may be effective for managing regional pain syndromes, a more targeted approach is perhaps more appealing for discrete anatomical structures. Chronic shoulder pain is a common musculoskeletal problem with significant socioeconomic impact. A peripheral nerve stimulation of the axillary and suprascapular nerves may prove to be effective as a long-term solution for this indication. In anticipation of the future experimental research and clinical utilization, a sound methodology for the lead placement was developed, and its feasibility is tested in a cadaveric study...
January 3, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29277261/the-contribution-of-the-supraspinatus-muscle-at-sub-maximal-contractions
#5
David Phillips, Peter Kosek, Andrew Karduna
During maximum effort, the supraspinatus muscle contributes approximately 50% of the torque need to elevate the arm, but this has not been examined at sub-maximal levels. The purpose of this study was to determine the contribution of the supraspinatus muscle to shoulder elevation at sub-maximal levels. Seven healthy subjects (four males, three females) performed isometric ramp contractions at the shoulder. Middle deltoid electromyography (EMG) and force applied at the wrist were collected before and after a suprascapular nerve block...
December 15, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29261598/anterior-suprascapular-nerve-block-versus-interscalene-brachial-plexus-block-for-shoulder-surgery-in-the-outpatient-setting
#6
Cheng Zhou, Stephen Choi, Richard Brull, Faraj W Abdallah
No abstract text is available yet for this article.
January 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29261596/anterior-suprascapular-nerve-block-or-low-volume-supraclavicular-nerve-block
#7
Derek Dillane, Timur Ozelsel, James Green, Cherese Lapere, Susan Halliday, Rakesh Sondekoppam
No abstract text is available yet for this article.
January 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29221755/unilateral-brachial-plexopathy-a-rare-complication-of-mycoplasma-pneumoniae-infection
#8
Barbara Robnik, Darja Keše, Tereza Rojko, Alenka Horvat-Ledinek, Aleš Pražnikar, Bojana Beović
Few reports in the literature describe isolated peripheral neuropathies in relation to Mycoplasma pneumoniae infection without concurrent damage to the central nervous system. To our knowledge only a single case of mononeuritis multiplex with brachial plexus neuropathy coincident with M. pneumoniae has been documented until now. Here we present the first clinical case of lobar M. pneumoniae pneumonia in a 19-year-old female patient, where coincident neurological complications manifested as unilateral brachial plexus neuropathy, affecting axillar and suprascapular nerves...
December 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29221575/clinical-outcomes-of-suprascapular-nerve-decompression-a-systematic-review
#9
REVIEW
Amit M Momaya, Adam Kwapisz, W Stephen Choate, Michael J Kissenberth, Stefan J Tolan, Keith T Lonergan, Richard J Hawkins, John M Tokish
BACKGROUND: Suprascapular neuropathy is an uncommon clinical diagnosis. Although there have been a number of case series reporting on this pathologic process, to date there has been no systematic review of these studies. This study aimed to synthesize the literature on suprascapular neuropathy with regard to clinical outcomes. The secondary objective was to detail the diagnosis and treatment of suprascapular neuropathy and any associated complications. METHODS: A systematic review was performed to identify studies that reported the results or clinical outcomes of suprascapular nerve decompression...
January 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29218290/critical-upper-limb-ischemia-due-to-brachial-tourniquet-in-misdiagnosed-thoracic-outlet-syndrome-after-carpal-tunnel-decompression-a-case-report
#10
Cesare Tiengo, Andrea Monticelli, Stefano Bonvini, Valentina Wassermann, Erica Dalla Venezia, Franco Bassetto
We present the case of a 68-year-old woman, referred to our department for critical upper limb ischemia, which had occurred a few days after homolateral surgical ligamentotomy for carpal tunnel syndrome, diagnosed and confirmed by electromyography, and performed with a brachial tourniquet. The patient was later admitted for subsequent progressive necrosis of the first three fingers of the left hand, accompanied by signs of upper limb ischemia. An accessory cervical rib was identified, completely obliterating the subclavian artery distally at the origin of the suprascapular artery...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29217421/isolated-suprascapular-mononeuropathy-following-nondisplaced-scapular-fracture
#11
Marcin Kowalczuk, Albert Lin
No abstract text is available yet for this article.
December 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29176503/diagnostic-injections-about-the-shoulder
#12
Edward McFarland, Johnathan Bernard, Eric Dein, Alex Johnson
Injections about the shoulder serve diagnostic as well as therapeutic purposes. Diagnosis of shoulder conditions, such as rotator cuff tears, acromioclavicular joint pathology, subacromial impingement or anterolateral pain syndrome, glenohumeral joint pathology, suprascapular nerve entrapment, and biceps tendon pathologies, is often complicated by concomitant conditions with overlapping symptoms and by inconclusive physical examination and imaging results. Injections of anesthetic agents can often help clinicians locate the source of pain...
December 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29170811/triple-elastofibromas-located-in-the-supra-and-infrascapular-regions-a-case-report
#13
Cyprian Olchowy, Matías de Albert de Delás-Vigo, Manolo Perez, Nikaoly Ciriaco, Rosa Dominguez Oronoz
We report a case of triple elastofibromas located in the supra- and infrascapular regions. A 61-year-old female with a history of bilateral elastofibroma in the typical subscapular region (6 years before) was admitted for the evaluation of a left-sided suprascapular mass that she had first noted 3 months before. On physical examination, a firm, painless, mobile mass was palpated in the subcutaneous tissue. The patient had not observed any changes of the two known lesions over the past 6 years. The patient denied a family history of elastofibroma...
November 23, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29170006/-intraneural-cyst-of-the-supraescapular-nerve-atypical-cause-of-peripheral-nerve-entrapment-syndrome-case-report-and-literature-review
#14
Beatriz Mansilla, Alberto Isla, María Román de Aragón, Borja Hernández, Pablo García Feijoo, Alexis Palpán Flores, Susana Santiago
OBJECTIVE: Intraneural cysts are benign lesions located within the epineurium of some peripheral nerves and their aetiopathogenesis is controversial. Most are located at the level of the lower limbs. In the upper limbs, the most frequently affected nerve is the ulnar nerve. Suprascapular nerve entrapment syndrome due to the formation of an intraneural cyst is rare. In this article, we show a new case and perform a literature review of intraneural cysts located in the suprascapular nerve...
November 20, 2017: Neurocirugía
https://www.readbyqxmd.com/read/29118701/nevus-comedonicus-case-report
#15
Renata Pinto Fernandes Timbó, Maria Kátia Gomes, Eduardo Mastrangelo Marinho Falcão, Marcia Ramos-E-Silva
Nevus comedonicus is a rare cutaneous anomaly, characterized by the clustering of papules with firm, blackened horny buffers. It in general has a zosteriform pattern and affects both genders equally. In some patients, there is formation of cysts, abscesses, and fistulas, aggravating its psychosocial impact. The association with extracutaneous lesions characterizes the nevus comedonicus syndrome. Despite several therapeutic options, the result is unsatisfactory in most cases. We report the case of a man with an exuberant congenital lesion, affecting the left suprascapular region, arm, and forearm...
September 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29102312/ultrasonography-study-of-the-suprascapular-nerve
#16
M Faruch Bilfeld, F Lapègue, N Sans, H Chiavassa Gandois, P Laumonerie, A Larbi
PURPOSE: The aim of the study was to evaluate the assessability of the suprascapular nerve (SSN) by ultrasonography in cadavers and healthy volunteers. MATERIALS AND METHODS: With ultrasonography guidance, needles were placed at origin of the SSN of four cadavers and evaluated by dissection. Two blinded radiologists performed 60 ultrasonography scans in 30 healthy volunteers to study the entire SSN at five anatomical landmarks. RESULTS: Dissection revealed that the needles were correctly located at the nerve's origin...
December 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29102255/hourglass-like-constriction-of-the-suprascapular-nerve-a-contraindication-for-minimally-invasive-surgery
#17
Adolfo Vigasio, Ignazio Marcoccio
BACKGROUND: Suprascapular nerve (SSN) entrapment is usually ascribed to static or dynamic compression. When no cause of compression is found, SSN entrapment is defined as idiopathic. Focal hourglass-like constriction (H-LC) of the SSN that results in muscle paralysis represents an unusual condition that may be misinterpreted and erroneously diagnosed as SSN entrapment or as neuralgic amyotrophy. METHODS: With the aim of finding clinical and surgical clues that could differentiate the traditional form of idiopathic SSN entrapment from the rare H-LC, a series of 6 cases of SSN palsy caused by H-LC is presented...
October 25, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29095317/large-malignant-granular-cell-tumor-with-suprascapular-nerve-and-brachial-plexus-invasion-a-case-report-and-literature-review
#18
REVIEW
Xiaotian Jia, Chao Chen, Lin Chen, Cong Yu, Tadashi Kondo
RATIONALE: Malignant granular cell tumor is a kind of rare and highly aggressive malignant tumor that commonly occurs in lower extremity, trunk, and peritoneal cavity. Huge malignant granular cell tumor (MGCT) with suprascapular nerve and brachial plexus invasion was extremely rare. PATIENT CONCERNS: We present a special case of a 48-year-old orthopedist who suffered from MGCT. The orthopedist had regarded that he suffered from scapulohumeral periarthritis. DIAGNOSES: The disease was noticed until a painless mass on his right neck was discovered 9 months later...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29026978/enigma-of-scapular-foramen-and-tunnels-an-untold-story
#19
Nidhi Singh, Puja Chauhan, Hitendra Kumar Loh, Mangala Kohli, Rajesh Kumar Suri
PURPOSE: The study was undertaken to make a qualitative and quantitative assessment of unnamed foramen and tunnels in adult human scapulae with aid of plain and contrast radiographs. MATERIALS AND METHODS: A total of 120 dry bones, 60 each of the right and the left side were included in the study. Distribution of these foramina and tunnels was noted for their number, side, location, course and communication. Their morphometry was done using Vernier's caliper. RESULTS: Incidence of scapular foramina was 7...
October 12, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28970979/all-endoscopic-brachial-plexus-complete-neurolysis-for-idiopathic-neurogenic-thoracic-outlet-syndrome-surgical-technique
#20
Thibault Lafosse, Malo Le Hanneur, Laurent Lafosse
Neurogenic thoracic outlet syndrome is caused by a neurologic compression of the brachial plexus before it reaches the arm. Three anatomic areas are common locations for such an entrapment because of their congenital and/or acquired tightness: the interscalene triangle, the costoclavicular space, and the retropectoralis minor space. Because the compression level usually remains unknown, the treatment is still controversial and most teams focus on only one potential site. We propose an all-endoscopic technique of complete brachial plexus neurolysis that can be divided into three parts, one for each entrapment area...
August 2017: Arthroscopy Techniques
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