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https://www.readbyqxmd.com/read/28341266/influence-of-fixation-point-of-latissimus-dorsi-tendon-transfer-for-irreparable-rotator-cuff-tear-on-glenohumeral-external-rotation-a-cadaver-study
#1
K Bargoin, M Boissard, J Kany, J Grimberg
Latissimus dorsi tendon transfer is a surgical option for treating irreparable posterosuperior rotator cuff tears, notably when attempting to reconstruct active external rotation. We hypothesized that the positioning of the transfer's point of fixation would differ depending on the desired elbow-to-body external rotation or external rotation with the elbow abducted. MATERIAL AND METHODS: Seven shoulders from four whole frozen cadavers were used. We created two systems to install the subject in a semi-seated position to allow external rotation elbow to body and the arm abducted 90°...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28319431/evaluation-of-the-risk-factors-for-a-rotator-cuff-retear-after-repair-surgery
#2
Yeong Seok Lee, Jeung Yeol Jeong, Chan-Deok Park, Seung Gyoon Kang, Jae Chul Yoo
BACKGROUND: A retear is a significant clinical problem after rotator cuff repair. However, no study has evaluated the retear rate with regard to the extent of footprint coverage. PURPOSE: To evaluate the preoperative and intraoperative factors for a retear after rotator cuff repair, and to confirm the relationship with the extent of footprint coverage. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Data were retrospectively collected from 693 patients who underwent arthroscopic rotator cuff repair between January 2006 and December 2014...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28318848/randomized-controlled-trial-of-supervised-physiotherapy-versus-a-home-exercise-program-after-hydrodilatation-for-the-management-of-primary-frozen-shoulder
#3
Paul M Robinson, Jennie Norris, Christopher P Roberts
HYPOTHESIS AND BACKGROUND: Hydrodilatation and physiotherapy are commonly used treatments for primary frozen shoulder. Little is known about the optimal form of physiotherapy. This study reports a randomized controlled trial comparing 2 forms of physiotherapy after hydrodilatation. The null hypothesis was that there would be no difference between the 2 groups at 1 year as measured by the Oxford Shoulder Score (OSS). METHODS: We randomized 41 patients undergoing hydrodilatation for primary frozen shoulder into 2 treatment groups: group 1 (n = 20) underwent supervised physiotherapy in addition to a home exercise program, and group 2 (n = 21) followed a self-directed home exercise program in isolation...
March 15, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28298747/benefits-and-pitfalls-of-cadavers-as-learning-tool-for-ultrasound-guided-regional-anesthesia
#4
REVIEW
Chhavi Sawhney, Sanjeev Lalwani, Bikash Ranjan Ray, Sumit Sinha, Abhyuday Kumar
Ultrasound-guided regional anesthesia (UGRA), like other basic skills, should be learnt in a simulation laboratory before performing on the patient. Cadavers provide an ideal tool for learning sonoanatomy and skills required for performing UGRA. On the basis of preservation technique used, the cadavers can be formalin embalmed cadavers, Thiel cadavers (soft cadavers), and fresh frozen cadavers. We compared three types of cadavers for performing ultrasound-guided upper and lower limb blocks. We observed that fresh frozen and Thiel cadavers were less smelling and had more realistic appearance as compared to formalin embalmed cadavers...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298050/intra-articular-steroid-injection-for-frozen-shoulder
#5
Yaying Sun, Peng Zhang, Shaohua Liu, Hong Li, Jia Jiang, Shiyi Chen, Jiwu Chen
BACKGROUND: Intra-articular steroid injection is a common intervention for frozen shoulder (FS). PURPOSE: This review aimed to illustrate the effects of intra-articular steroid injection for FS. STUDY DESIGN: Systematic review and meta-analysis. METHODS: PubMed, Embase, and the Cochrane Library were searched for randomized controlled trials (RCTs) comparing intra-articular steroid injection with no injection or sham injections for FS...
October 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28285011/arthroscopic-assisted-exploration-of-the-axillary-nerve-through-a-posterior-open-approach-a-novel-technique
#6
Andrés A Maldonado, Robert J Spinner, Allen T Bishop, Alexander Y Shin, Bassem T Elhassan
INTRODUCTION: Previous studies have described a segment of the axillary nerve (AN) that cannot be surgically explored through standard open surgical approaches (blind zone). This study aimed to evaluate the feasibility of combining the standard posterior approach to the AN by using an arthroscope to visualize all segments of the AN. MATERIAL AND METHODS: Four fresh-frozen shoulders in two adult human torsos were included in the study. A standard posterior approach was performed on each shoulder, and a dry arthroscopy was performed through the surgical opening in an attempt to visualize all the segments of the AN...
February 16, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28284228/interactive-wearable-systems-for-upper-body-rehabilitation-a-systematic-review
#7
REVIEW
Qi Wang, Panos Markopoulos, Bin Yu, Wei Chen, Annick Timmermans
BACKGROUND: The development of interactive rehabilitation technologies which rely on wearable-sensing for upper body rehabilitation is attracting increasing research interest. This paper reviews related research with the aim: 1) To inventory and classify interactive wearable systems for movement and posture monitoring during upper body rehabilitation, regarding the sensing technology, system measurements and feedback conditions; 2) To gauge the wearability of the wearable systems; 3) To inventory the availability of clinical evidence supporting the effectiveness of related technologies...
March 11, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28255734/robot-assisted-laparoscopic-transperitoneal-infrarenal-lymphadenectomy-in-patients-with-locally-advanced-cervical-cancer-by-single-docking-do-we-need-a-backup-procedure
#8
Fatih Gucer, Selim Misirlioglu, Nuri Ceydeli, Cagatay Taskiran
To present our initial experience on the feasibility of robotic transperitoneal para-aortic lymphadenectomy up to left renal vein via single docking approach by high port insertion technique followed by left shoulder docking as a rescue backup procedure in surgically obstructed patients undergoing surgical staging because of locally advanced cervical cancer (LACC). Prospective observational preliminary study. Canadian Task Force classification II-3. Tertiary-care academic affiliated private hospital. Ten patients with LACC who underwent robotic transperitoneal infrarenal para-aortic lymphadenectomy between January 2012 and December 2014...
March 2, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28219686/very-high-prevalence-of-frozen-shoulder-in-patients-with-type-1-diabetes-of-more-than-45-years-duration-the-dialong-shoulder-study
#9
Niels Gunnar Juel, Jens Ivar Brox, Cathrine Brunborg, Kristine Bech Holte, Tore Julsrud Berg
OBJECTIVE: To compare the prevalence of shoulder disorders and self-reported shoulder disability in patients with long-term type 1 diabetes mellitus and diabetes-free controls and explore the association between the long-term glycemic burden and shoulder disability in the diabetes group. DESIGN: A cross-sectional study of shoulder diagnoses with 30 years' historical data on glycemic burden in the diabetes patients. SETTING: Questionnaires, interviews and medical records were collected at the Norwegian Diabetics Center (NDC)...
February 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28195609/anatomical-relationship-of-the-axillary-nerve-to-the-pectoralis-major-tendon-insertion
#10
Brian Shiu, Ehsan Jazini, Astor Robertson, R Frank Henn, S Ashfaq Hasan
Axillary nerve injury is a risk of the deltopectoral approach to the proximal humerus. The anterior motor branch is potentially vulnerable during subdeltoid dissection. Insertion of the pectoralis major tendon is an easily identifiable landmark on the humerus. This anatomical study explored whether the superior aspect of the pectoralis major tendon is a useful landmark for localizing the anterior motor branch of the axillary nerve as it travels under the lateral and anterior deltoid muscle. A total of 30 fresh-frozen human bilateral cadaveric upper extremities were examined...
February 13, 2017: Orthopedics
https://www.readbyqxmd.com/read/28194498/lateral-clavicle-fracture-with-coracoclavicular-ligament-injury-a-biomechanical-study-of-4-different-repair-techniques
#11
Farhang Alaee, John Apostolakos, Hardeep Singh, Christian Holwein, Theresa Diermeier, Mark P Cote, Knut Beitzel, Andreas B Imhoff, Augustus D Mazzocca, Andreas Voss
PURPOSE: To investigate the biomechanical performance of four different methods used for coracoclavicular (CC) ligament reconstruction in a lateral clavicle fracture repair. METHODS: Native displacement, translation, and rotation at the acromioclavicular joint of 24 fresh-frozen cadaveric shoulders were tested. A reproducible fracture in the lateral third of the clavicle was created by dissecting both CC ligaments. Each specimen was then repaired with plate fixation of the fracture and the following CC repair technique: (1) Cortical button...
February 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28194382/biomechanical-evaluation-of-the-long-head-of-the-biceps-brachii-tendon-fixed-by-three-techniques-a-sheep-model
#12
Carlos Henrique Ramos, Júlio Cezar Uili Coelho
OBJECTIVE: To evaluate the biomechanical properties of the fixation of the long head of the biceps brachii into the humeral bone with suture anchors, interference screw, and soft tissue suture, comparing strength, highest traction load, and types of fixation failure. METHODS: Thirty fresh-frozen sheep shoulders were used, separated into three groups of ten for each technique. After fixation, the tendons were subjected to longitudinal continuous loading, obtaining load-to-failure (N) and displacement (mm)...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28168397/clinical-correlation-of-metabolic-parameters-on-18-f-fdg-pet-ct-in-idiopathic-frozen-shoulder
#13
Kyoung Sook Won, Du Hwan Kim, Duk Hyun Sung, Bong-Il Song, Hae Won Kim, Kwang-Soon Song, Si-Wook Lee, Chul-Hyun Cho
OBJECTIVE: Because positron emission tomography/computed tomography (PET/CT) using fluorine-18-fluorodeoxyglucose ((18)F-FDG) can be used to visualize inflammation of the musculoskeletal system, it may help elucidate the pathophysiology of frozen shoulder (FS). The purpose of this study was to characterize the uptake pattern on (18)F-FDG PET/CT in patients with idiopathic FS and to determine if there is a correlation between its metabolic parameters and clinical findings. METHODS: (18)F-FDG PET/CT was conducted to 35 patients with unilateral idiopathic FS...
February 6, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28158160/ultrasound-guided-block-of-the-suprascapular-nerve-in-breast-cancer-survivors-with-limited-shoulder-motion-case-series
#14
Sibel Caglar Okur, Ozden Ozyemisci-Taskiran, Yasemin Pekindogan, Murat Mert, Nil Syiner Caglar
BACKGROUND: Suprascapular nerve block is performed in the management of chronic shoulder pain and frozen shoulder. OBJECTIVE: To investigate the effects of ultrasound-guided suprascapular nerve block in restoration of shoulder motion in breast cancer survivors. STUDY DESIGN: A cohort study. SETTING: A training and research hospital, outpatient setting. METHODS: A total of 18 breast cancer survivors with limited shoulder motion, pain, and difficulty in positioning the upper extremity for radiation treatment following surgery were enrolled in this study...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28142344/thawing-frozen-shoulder-by-steroid-injection
#15
Narendran Pushpasekaran, Narender Kumar, R K Chopra, Diganta Borah, Sumit Arora
BACKGROUND: Frozen shoulder is not an uncommon disorder, and steroid injection into the glenohumeral (GH) joint is one of the most well-known approaches for the frozen shoulder. However, their results have been varied with beneficial effects or no additional advantage. With the understanding about the pathological changes taking place in frozen shoulder and the biomechanics involved, we wanted to evaluate the short- and long-term efficacy of steroid injection by a novel three-site (NTS) injection technique and compare it with the single-site injection (SSI)...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28132086/incidence-and-prognostic-factors-for-postoperative-frozen-shoulder-after-shoulder-surgery-a-prospective-cohort-study
#16
Rinco C T Koorevaar, Esther Van't Riet, Marcel Ipskamp, Sjoerd K Bulstra
PURPOSE: Frozen shoulder is a potential complication after shoulder surgery. It is a clinical condition that is often associated with marked disability and can have a profound effect on the patient's quality of life. The incidence, etiology, pathology and prognostic factors of postoperative frozen shoulder after shoulder surgery are not known. The purpose of this explorative study was to determine the incidence of postoperative frozen shoulder after various operative shoulder procedures...
January 28, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28089258/the-effect-of-scapular-position-on-subacromial-contact-behavior-a-cadaver-study
#17
Takayuki Muraki, Nobuyuki Yamamoto, John W Sperling, Scott P Steinmann, Robert H Cofield, Kai-Nan An
BACKGROUND: Patients with subacromial impingement were reported to show abnormal scapular positions during shoulder elevation. However, the relationship between the scapular positions and subacromial impingement is unclear. The purpose of this study was to biomechanically determine the effect of scapular position on subacromial contact behavior by using fresh frozen cadavers. METHODS: The peak contact pressure on the coracoacromial arch was measured with a flexible tactile force sensor in 9 fresh frozen cadaver shoulders...
January 11, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28031830/development-of-diffuse-alveolar-damage-after-initiation-of-nijutsuto
#18
Motoyasu Kato, Shinichi Sasaki, Hiroshi Izumi, Toshimasa Uekusa, Shigeru Tominaga, Kazuhisa Takahashi
Chinese traditional medicine, Nijutsuto, is used to treat patients with frozen shoulder and osteoarthritis. Herbal medicine is often linked to the development of interstitial lung disease. An 83-year-old Japanese man with osteoarthritis who was on Nijutsuto was admitted to our hospital with dyspnoea and severe cough after 2 weeks from initiation of Nijutsuto. A chest computed tomography scan on admission showed diffuse ground glass opacity with traction bronchiectasis. Thus, he was diagnosed with Nijutsuto-induced interstitial lung disease, and was treated with a high dose of methylprednisolone and cyclophosphamide...
November 2016: Respirology Case Reports
https://www.readbyqxmd.com/read/28024662/quantifying-the-competing-relationship-between-adduction-range-of-motion-and-baseplate-micromotion-with-lateralization-of-reverse-total-shoulder-arthroplasty
#19
Josie Elwell, Joseph Choi, Ryan Willing
Lateralizing the center of rotation (COR) of reverse total shoulder arthroplasty (rTSA) could improve functional outcomes and mitigate scapular notching, a commonly occurring complication of the procedure. However, resulting increases in torque at the bone-implant interface may negatively affect initial fixation of the glenoid-side component, especially if only two fixation screws can be placed. Shoulder-specific finite element (FE) models of four fresh-frozen cadaveric shoulders were constructed. Scapular geometry and material property distributions were derived from CT data...
February 8, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27975065/biomechanical-comparison-of-modified-suture-bridge-using-rip-stop-versus-traditional-suture-bridge-for-rotator-cuff-repair
#20
ZiYing Wu, Chong Zhang, Peng Zhang, TianWu Chen, ShiYi Chen, JiWu Chen
Purpose. To compare the biomechanical properties of 3 suture-bridge techniques for rotator cuff repair. Methods. Twelve pair-matched fresh-frozen shoulder specimens were randomized to 3 groups of different repair types: the medially Knotted Suture Bridge (KSB), the medially Untied Suture Bridge (USB), and the Modified Suture Bridge (MSB). Cyclic loading and load-to-failure test were performed. Parameters of elongation, stiffness, load at failure, and mode of failure were recorded. Results. The MSB technique had the significantly greatest load to failure (515...
2016: BioMed Research International
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