Konstantina Moraiti, Frantzeska Zampeli, Felipe Reinares, Apostolos Gantsos, Philippe Valenti
PURPOSE: Lower trapezius (LT) transfer using Achilles tendon allograft or semitendinosus autograft is effective in restoring external rotation in massive irreparable posterosuperior rotator cuff tears (RCT). The purpose of this study was to evaluate if the infraspinatus fascia (IF) could be used in LT transfer to extend the LT tendon. METHODS: Eight fresh-frozen whole-body cadavers were dissected using both shoulders, beach chair position. A 2.5-3 cm wide bundle of the IF was dissected, from the inferior angle of the scapula up to the insertion of the LT which was then detached subperiosteally in continuity with the fascia...
October 24, 2020: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Bin-Bin Shen, Zhongwei Zhang, Jun-Jie Yuan, Aiping Zheng, Su Zeng, Jian-Qing Gao, Wenhan Bao, James Barnard, Haibin Wang, Wei-Jie Fang
PURPOSES: The main purposes of this article are to describe an unprecedented phenomenon in which significant amount of a shoulder peak impurity was observed during normal non-reducing capillary electrophoresis-sodium dodecyl sulfate (CE-SDS) analysis of a recombinant fusion protein X, and to evaluate the root cause for this phenomenon. METHODS: A series of experiments were conducted to study the nature of this degradation. Effects of iodoacetamide (IAM), heating temperature, duration, and SDS on the formation of this specific impurity were evaluated using a variety of characterization techniques...
October 23, 2020: Pharmaceutical Research
Dr Michael Penn, Owen Williams
A short cut review was carried out to establish whether intra-articular injection of local anaesthetic is an effective alternative to intravenous analgesia with or without sedation to facilitate reduction of acute shoulder dislocations. Eleven studies were considered relevant to the question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these studies are tabulated. The clinical bottom line is that intra-articular injection of local anaesthetic is a safe and effective method of providing procedural analgesia for the reduction of acute shoulder dislocations...
November 2020: Emergency Medicine Journal: EMJ
Mohammad Afzalimoghaddam, Maryam Feyiz Khademi, Hadi Mirfazaelian, Pooya Payandemehr, Ehsan Karimialavijeh, Alireza Jalali
BACKGROUND: The reduction of shoulder dislocation requires adequate procedural sedation and analgesia. The mixture of midazolam and fentanyl is reported in the literature, but long-acting benzodiazepines in conjunction with fentanyl are lacking. STUDY OBJECTIVE: Our aim was to compar e IV diazepam with IV midazolam in moderate procedural sedation (based on the classification of the American Society of Anesthesiologists) for the reduction of shoulder dislocation...
October 21, 2020: Journal of Emergency Medicine
Philip-C Nolte, Thomas E Woolson, Bryant P Elrick, Anna-Katharina Tross, Marilee P Horan, Jonathan A Godin, Peter J Millett
PURPOSE: The purpose of this study was to report clinical outcomes following arthroscopic suprascapular nerve (SSN) decompression for suprascapular neuropathy at the suprascapular and/or spinoglenoid notch in the absence of major concomitant pathology. METHODS: We retrospectively reviewed prospectively collected data of 19 patients that underwent SSN release at the suprascapular and/or spinoglenoid notch between April 2006 and August 2017 and were at least 2 years out from surgery...
October 19, 2020: Arthroscopy
Runrun Xu, Fengyuan Xuan, Su Ying Quek
Mixed-dimensional magnetic heterostructures are intriguing, newly available platforms to explore quantum physics and its applications. Using state-of-the-art many-body perturbation theory, we predict the energy level alignment for a self-assembled monolayer of cobalt phthalocyanine (CoPc) molecules on magnetic VSe2 monolayers. The predicted projected density of states on CoPc agrees with experimental scanning tunneling spectra. Consistent with experiment, we predict a shoulder in the unoccupied region of the spectra that is absent from mean-field calculations...
October 22, 2020: Journal of Physical Chemistry Letters
Rachelle Buchbinder, Sofia Ramiro, Hsiaomin Huang, Joel J Gagnier, Yuanxi Jia, Samuel L Whittle
No abstract text is available yet for this article.
October 2020: Arthritis Care & Research
Julia E Meyers-Manor, Marijo L Botten
Dogs have a reputation for empathy toward their owners, which is also supported by some research (e.g., Carballo et al., 2020; Sanford, Burt, & Meyers-Manor, 2018). Many dog owners anecdotally report that dogs comfort them by making visual and/or physical contact when they cry or help them when they are sick. These behaviours provide a good way to assess the capacity for empathy and its physiological correlates in dogs. This study is a replication and extension of Custance and Mayer (2012). We examined whether using laughing as an alternative stimulus to humming produced similar responses to crying...
September 2020: Canadian Journal of Experimental Psychology
Bashi Velayudhan, Mohamad Bashir, Mohammed Idhrees
Proximilization of frozen elephant trunk (FET) necessitates the ligation and reimplantation of the left subclavian artery (LSA), the origin of which is distal and posterior, make rerouting difficult and cumbersome. We describe a rather simple technique for subclavian artery exposure and effective anatomical reconstruction in the mediastinum coupled with hybrid FET utilization for aortic aneurysm in elective and nonelective settings. The division of the sternocleidomastoid coupled with the sandbag behind the left shoulder brings the LSA superficial enabling anastomosis without any difficulty...
October 14, 2020: Journal of Cardiac Surgery
Adriano Lourenço, Amanda Almeida Gomes Dantas, Jane Carla de Souza, Camilla Medeiros Araujo, Diego Neves Araujo, Illia Nadinne Dantas Florentino Lima, Diego de Sousa Dantas
PURPOSE: To evaluate the sleep quality and its association with disability, fatigue and quality of life of breast cancer survivors. METHODS: This is a cross-sectional pilot study developed with breast cancer survivors. The data collection instruments consisted of general and clinical information on the disease and the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0); Pittsburgh Sleep Quality Index (PSQI); Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F); and Disabilities of the arm and Shoulder (DASH)...
October 8, 2020: European Journal of Cancer Care
Albert Ferrando, Luis Natera, Berta Buch, Paolo Consigliere, Juan Bruguera, Giuseppe Sforza, Ehud Atoun, Ofer Levy
BACKGROUND: Revision shoulder arthroplasty may involve the need to remove a well-fixed humeral stem. To avoid this, convertible platform systems have been introduced. The biomechanics of reverse total shoulder arthroplasty (rTSA) differs from anatomic shoulder arthroplasty (aTSA). The different humeral osteotomy and soft tissue tension may jeopardize the optimal results of the converted rTSA. The aim was to evaluate the radiographic parameters of soft tissue distraction when converting an aTSA to rTSA in a platform system and assess the capability of conversion without "over-stuffing" the shoulder in the "best-case scenario"...
October 22, 2020: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Cihan Koç, Emine Eda Kurt, Fatmanur Aybala Koçak, Hatice Rana Erdem, Naime Meriç Konar
This study assessed the additional contribution of balneotherapy on physical therapy in subacute supraspinatus tendinopathy. Ninety patients with subacute supraspinatus tendinopathy were included. They were randomized into two equal groups. In group 1 (n = 45), transcutaneous electrical nerve stimulation (TENS), hot pack, ultrasound treatments, and Codman's and range of motion (ROM) exercises were performed. In group 2 (n = 45), balneotherapy was added to the treatment program. In both groups, shoulder active ROM and handgrip strength were measured...
October 22, 2020: International Journal of Biometeorology
Matthew J Best, Andrew B Harris, Ankit Bansal, Eric Huish, Uma Srikumaran
Opioids are prescribed routinely for pain after total shoulder arthroplasty (TSA). This study was designed to characterize opioid use after elective primary TSA and identify predictors of long-term postoperative opioid use. The authors used the MarketScan administrative claims database to identify 5676 adults who underwent elective primary TSA between 2010 and 2015 and had 1 year or more of continuous insurance enrollment, including prescription drug coverage, postoperatively. Long-term postoperative opioid use was defined as filling prescriptions totaling a 120-day or greater supply during the 3- to 12-month postoperative period...
October 21, 2020: Orthopedics
Xiang-Yong Han, Xiao-Ming Xu, Ya-Qiong Ju, Zhi-Juan Tian
PURPOSE: To analyze the accuracy of implant position in simple cases by freehand. METHODS: Ninety-seven implants of 68 patients from 3 surgeons were selected.After operation,the deviations of implant position at shoulder apex and angle were measured using cone-beam CT(CBCT).The mean of three parameters were calculated with SPSS 22.0 software package, and the differences were analyzed between three surgeons,three operation areas,free-end missing and non free-end missing...
August 2020: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Sevil Okan, Ayla Çağlıyan Türk
Objectives: In this study, we aimed to compare the efficiency of ultrasound, mucopolysaccharide polysulfate phonophoresis, ketoprofen phonophoresis and exercise combinations in terms of pain, functionality, disability, and strength in patients with lateral epicondylitis (LE). Patients and methods: This prospective, parallel-group, randomized-controlled clinical study included a total of 60 patients (42 males, 18 females; mean age 38.08 years; range, 21 to 50 years) with LE between April 2016 and October 2017...
September 2020: Turkish journal of physical medicine and rehabilitation
Matsugaki Toru, Shibata Hideaki, Matsubara Tsunemasa
Ideberg type III glenoid fractures are relatively rare, and the mechanisms of injury and treatment strategies remain controversial. We reviewed the fracture patterns and final radiological findings in four cases. All fractures were wider on the medial side than on the side of the articular surface. All patients had multiple ipsilateral rib fractures; three out of four patients had a concomitant acromion fracture. Therefore, the mechanism of injury for the fracture is assumed to be external force applied in the caudal direction to the medial side of the body of the scapula...
December 2020: Trauma Case Reports
Samuel Haupt, Herman Frima, Christoph Sommer
Background: Proximal humeral fracture-dislocations (PHFD) are a special entity in proximal humeral fracture treatment. The aim of this study is to present our minimally invasive plate osteosynthesis (MIPO) technique through an anterolateral deltoid split approach. In addition, we performed a retrospective cohort study analyzing the patient reported functional outcome and complications. Methods: A single center cohort study was performed. All patients operated through a deltoid split approach for PHFD between 2009 and 2016 were eligible for inclusion...
September 2020: Archives of Bone and Joint Surgery
Allison Apfel, Charles C Lin, William Burfeind, Mark T Dillon, Ronald A Navarro
Background: Successful repair of a torn rotator cuff may prevent progression to rotator cuff arthropathy. However, previous studies have shown a substantial rate of failure after rotator cuff repair and characteristics of surgically repaired rotator cuffs that go on to shoulder arthroplasty have not been fully elucidated. The purpose of this study was to determine the patient characteristics and rate at which patients who underwent rotator cuff repair progressed to shoulder arthroplasty...
September 2020: Archives of Bone and Joint Surgery
Felix Dyrna, Daniel P Berthold, Lukas N Muench, Knut Beitzel, Cameron Kia, Elifho Obopilwe, Leo Pauzenberger, Christopher R Adams, Mark P Cote, Bastian Scheiderer, Augustus D Mazzocca
Background: Superior capsular reconstruction (SCR) for massive, irreparable rotator cuff tears has become more widely used recently; however, ideal tensioning of the graft and the influence on joint kinematics remain unknown. Purpose/Hypothesis: The purpose of this study was to assess the effects of graft tensioning on glenohumeral joint kinematics after SCR using a dermal allograft. The hypothesis was that a graft fixed under tension would result in increased glenohumeral abduction motion and decreased cumulative deltoid forces compared with a nontensioned graft...
October 2020: Orthopaedic Journal of Sports Medicine
Jordan W Paynter, B Gage Griswold, Mikalyn T DeFoor, Lynn A Crosby, Stephen A Parada
Reverse shoulder arthroplasty is a common procedure. While dislocation is a common complication, there are few reports documenting dislocation with associated polyethylene liner dissociation from the humeral tray. There have been 4 instances of this occurrence over 9 years at our institution, and there are specific radiographic clues for diagnosis. Recognizing polyethylene liner dissociation on imaging is important prior to treatment. In a "routine" dislocation, closed reduction may be attempted but when the polyethylene is dissociated, open reduction is the only treatment option, as closed reduction can damage the components...
August 2020: Journal of Radiology Case Reports
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