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https://www.readbyqxmd.com/read/30507560/atypical-calcific-tendinitis-involving-the-long-biceps-tendon-a-rare-cause-of-hemiplegic-shoulder-pain
#1
Jang Hyuk Cho, Sung Hwa Jung, Shi Mo Yang, Hyun Park
BACKGROUND AND OBJECTIVE: Calcific tendinitis is commonly found in the rotator cuff; however, it is very rare in the long biceps tendon (LBT). Furthermore, calcific tendinitis involving the LBT in the hemiplegic shoulder after a stroke has not been previously reported. MATERIALS AND METHOD: We present a case of a 63-year-old man who suffers from a stroke and atypical calcific tendinitis involving the LBT as a rare cause of hemiplegic shoulder pain. The patient had experienced intractable pain in the right hemiplegic shoulder for more than 6 months with a waxing and waning course...
November 23, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/30505874/distal-biceps-repair-with-flexible-instrumentation-and-risk-of-posterior-interosseous-nerve-injury-a-cadaveric-analysis
#2
Jimmy Tat, Adam Hart, Adam Cota, Khalid Alsheikh, Dominique Behrends, Paul A Martineau
Background: Current repair techniques using cortical button fixation cannot achieve anatomic reconstruction of the distal biceps when performed through a single-incision anterior approach. We recently introduced a single-incision technique that uses flexible guide pins and flexible reamers to allow for an insertion point on the tuberosity that more closely approximates the anatomic footprint of the distal biceps. Purpose: To investigate the safety of this technique with regard to nerve injury by comparing the guide pin position relative to the posterior interosseous nerve in 16 cadaveric elbows through use of a flexible versus rigid reamer...
November 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/30498614/tuberculous-distal-biceps-tendon-rupture-case-report-and-review-of-the-literature
#3
Artit Boonrod, Hiroyuki Sugaya, Norimasa Takahashi, Arunnit Boonrod, Chat Sumananont
Tuberculous distal biceps tendon rupture is a rare condition in orthopedics. Musculoskeletal tuberculosis usually presents with bursitis, synovitis, myositis, and osteomyelitis, conditions which demonstrate an excellent response to antituberculosis chemotherapy. Tendon rupture is often associated with delayed diagnosis and treatment. We report a rare manifestation of musculoskeletal tuberculosis in the distal biceps tendon with delayed diagnosis.
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/30489376/traumatic-divergent-elbow-dislocation-with-associated-forearm-amputation-in-an-adult-a-case-report
#4
Ryan M Greene, Jacqueline E Bader, Libby Mauter, Benjamin W Sears, Conrad J Tirre, Armodios M Hatzidakis
CASE: A 49-year-old right-hand-dominant man sustained an auger-related injury that resulted in open dislocation at the left wrist and palm, with complete amputation of the distal aspect of the forearm and the hand. The injury at the elbow included instability with an ulnar coronoid fracture, posterior dislocation of the ulna, and posterolateral dislocation of the radius. To restore stability of the forearm stump and elbow, we performed a complete resection of the radius, open reduction and internal fixation of the coronoid tip, a repair of the lateral collateral ligament, and transfer of the distal biceps tendon to the coronoid...
November 28, 2018: JBJS Case Connector
https://www.readbyqxmd.com/read/30480016/etiology-diagnosis-and-treatment-of-dynamic-nerve-compression-syndromes-of-the-elbow-among-high-level-pitchers-a-review-of-7-cases
#5
Tobias N von Bergen, Gary M Lourie
Background: Dynamic compressive neuropathies around the elbow are a rare entity described by a relatively small body of literature, mostly consisting of single-case reports. No standardized diagnostic protocols have been described to date. To the authors' knowledge, this study represents the largest case series of dynamic compressive neuropathies in the upper extremity. Purpose: To identify various etiologies of dynamic compressive neuropathies around the elbow, devise a systematic diagnostic protocol, and review treatment options...
November 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/30465300/relative-and-absolute-risk-of-tendon-rupture-with-fluoroquinolone-and-concomitant-fluoroquinolone-corticosteroid-therapy-population-based-nested-case-control-study
#6
Daniel R Morales, Jim Slattery, Alexandra Pacurariu, Luis Pinheiro, Patricia McGettigan, Xavier Kurz
BACKGROUND AND OBJECTIVE: Tendon rupture can result from fluoroquinolone exposure. The objective of this study was to quantify relative and absolute risk and determine how risk is affected by timing of exposure. METHODS: The UK Health Improvement Network primary care database was used to perform a nested case-control study measuring the association between fluoroquinolone exposure and tendon rupture. Adults with tendon rupture were matched on age, sex, general practice and calendar time to four controls selected from a cohort prescribed systemic fluoroquinolone or co-amoxiclav antibiotics...
November 21, 2018: Clinical Drug Investigation
https://www.readbyqxmd.com/read/30449977/anterolateral-ligament-injuries-on-magnetic-resonance-imaging-and-pivot-shift-testing-for-rotational-laxity
#7
Carlos M Barrera, Azael Arizpe, Ross Wodicka, Bryson P Lesniak, Michael G Baraga, Lee Kaplan, Jean Jose
Maintaining anterolateral rotational stability of the knee requires a complex set of structures, most notably the anterior cruciate ligament. However, lateral knee structures such as the anterolateral ligament (ALL) also play an important role. There has been controversy over the role the ALL plays in an ACL deficient knee to maintain rotational stability. In this study, we examined ACL deficient knees with and without intact ALLs, for rotatory laxity using a pivot shift examination. This was graded using International Knee Document Committee (IKDC) criteria...
October 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/30446788/shoulder-manipulation-under-targeted-ultrasound-guided-rotator-interval-block-for-adhesive-capsulitis
#8
David McKean, Philip Yoong, Rebecca Brooks, Joseph Papanikitas, Richard Hughes, Aniruddha Pendse, Bernard John McElroy
OBJECTIVE: To describe and evaluate the outcome following shoulder manipulation under rotator interval block for the treatment of adhesive capsulitis. MATERIALS AND METHODS: Patients with adhesive capsulitis referred by our local orthopaedic shoulder surgeons consented to targeted ultrasound-guided injection of the glenohumeral joint via the rotator interval. Inclusion criteria included a failure to respond to conservative treatment and the absence of a full-thickness rotator cuff tear...
November 16, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/30446295/a-prospective-evaluation-of-early-postoperative-complications-after-distal-biceps-tendon-repairs
#9
Jonas L Matzon, Jack G Graham, Sreeram Penna, Michael G Ciccotti, Joseph A Abboud, Kevin F Lutsky, Pedro K Beredjiklian
PURPOSE: The reported incidence of postoperative complications after distal biceps tendon repairs (DBTRs) has been determined largely by retrospective studies. We hypothesized that a large prospective cohort study of DBTRs would demonstrate increased complication rates relative to existing literature values. Secondarily, we hypothesized that most complications would be transient and self-limiting, regardless of the surgical technique employed for the repair. METHODS: Consecutive patients undergoing acute, primary DBTR from July 2016 to December 2017 were enrolled...
November 13, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/30444757/how-to-avoid-posterior-interosseous-nerve-injury-during-single-incision-distal-biceps-repair-drilling
#10
David Becker, Francisco Antonio Lopez-Marambio, Niels Hammer, David Kieser
BACKGROUND: The posterior interosseous nerve (PIN) is occasionally damaged during distal biceps tendon repair. But to our knowledge, no studies have examined the position of the PIN in relation to the bicipital tuberosity in full supination, which is the recommended position during single-incision distal biceps repair or reconstruction QUESTIONS/PURPOSES: (1) What is the anterior safe zone when exposing the anterior tuberosity with the arm in supination? (2) When drilling the radial tuberosity for bicortical button placement in full supination, how should the drill be angled to avoid PIN injury? METHODS: Fifteen adult cadaver elbows had the PIN dissected around the proximal radius...
November 5, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/30419172/biceps-detachment-preserves-joint-function-in-a-chronic-massive-rotator-cuff-tear-rat-model
#11
Mengcun Chen, Snehal S Shetye, Julianne Huegel, Corinne N Riggin, Daniel J Gittings, Courtney A Nuss, Stephanie N Weiss, Andrew F Kuntz, Louis J Soslowsky
BACKGROUND: Lesions of the long head of the biceps tendon are often associated with massive rotator cuff tears (MRCTs), and biceps tenotomy is frequently performed for pain relief and functional reservation. However, the efficacy and safety of biceps tenotomy regarding the effects on the surrounding tissues in chronic MRCT are unclear. HYPOTHESIS: Biceps tenotomy would result in improved mechanical and histological properties of the intact subscapularis tendon and improved in vivo shoulder function while not compromising glenoid cartilage properties...
December 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/30403826/effect-of-anterior-anchor-on-clinical-outcomes-of-type-ii-slap-repairs-in-an-active-population
#12
William Arroyo, Jennifer Misenhimer, Eric J Cotter, Kevin C Wang, Kenneth Heida, Mark P Pallis, Brian R Waterman
This study evaluated the role of anchor position in persistence of pain and/or revision biceps tenodesis after arthroscopic repair of type II superior labrum anterior and posterior (SLAP) lesions and assessed for patient- and injury-specific variables influencing clinical outcomes. Active-duty service members who underwent arthroscopic repair of type II SLAP lesions between March 1, 2007, and January 23, 2012, were identified. Patients with less than 2-year clinical follow-up; type I, III, and IV SLAP lesions; and primary treatment with biceps tenodesis and/or rotator cuff repair at the time of index surgery were excluded...
November 7, 2018: Orthopedics
https://www.readbyqxmd.com/read/30383338/sectional-anatomy-and-three-dimensional-visualization-of-the-posterolateral-complex-of-the-knee-joint-based-on-undeformed-high-resolution-sectional-anatomical-images
#13
Yan Song, Yan Xiong, Wei Chen, Feng Zuo, Liwen Tan, Jie Yao, Na Chen, Ronald Bleys, Xin Hu, Shaoxiang Zhang, Yi Wu
The anatomy of the posterolateral complex (PLC) of the knee is usually studied by dissection and magnetic resonance (MR) imaging, which is still controversial. We aim to study it based on the images and an interactive 3D-PDF from the Chinese Visible Human (CVH) datasets. CVH datasets (six transverse and one coronal) of the PLC and its adjacent structures were segmented and three-dimensionally reconstructed. Histological sections images were used to establish criteria for the segmentation. MR images were studied in comparison with CVH images...
October 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/30349357/ultrasound-guided-interventions-for-painful-shoulder-from-anatomy-to-evidence
#14
REVIEW
Ke-Vin Chang, Kamal Mezian, Ondřej Naňka, Wei-Ting Wu, Chih-Peng Lin, Levent Özçakar
Shoulder pain is a common musculoskeletal disorder of variable etiology, ranging from rotator cuff pathology to peripheral nerve entrapment. Advances in ultrasound (US) technology have allowed static and dynamic evaluation of shoulder problems and most importantly, offer real-time, radiation-free guidance for interventions. The present review aims to describe shoulder anatomy in detail using information from cadaveric models and to illustrate US-guided techniques using clearly labeled figures and videos. The review will also present evidence of specific US-guided therapies for shoulder pain by summarizing landmark studies, systematic reviews, and meta-analyses...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/30345198/optimization-of-anterior-incision-placement-for-distal-biceps-repair
#15
Nikolai Klebanov, David H Wei, Brendan J Harrison, Hervey L Kimball
Introduction Damage to the posterior interosseous nerve (PIN) is a known complication when using a cortical button during distal biceps tendon repair. Prior studies show that the trajectory of the drill through the biceps tuberosity can affect the distance from the PIN. We develop a mathematical model to predict the location of the tuberosity based on a palpable bony landmark and patient demographic factors. Methods The medical charts and elbow radiographs of (n = 82) adult patients were retrospectively reviewed...
August 14, 2018: Curēus
https://www.readbyqxmd.com/read/30341466/the-preload-force-affects-the-perception-threshold-of-muscle-vibration-induced-movement-illusions
#16
Francesca Ferrari, Francesco Clemente, Christian Cipriani
The control and the execution of motor tasks are largely influenced by proprioceptive feedback, i.e. the information about the position and movement of the body. In 1972, it was discovered that a vibratory stimulation applied non-invasively to a muscle or a tendon induces a movement illusion consistent with the elongation of the vibrated muscle/tendon. Although this phenomenon was reported by several studies, it is still unclear how to reliably reproduce it because of the many different features of the stimulation altering the sensation (e...
October 19, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/30341449/there-is-a-role-for-allografts-in-reconstructive-surgery-of-the-elbow-and-forearm
#17
REVIEW
R J Molenaars, B J A Schoolmeesters, J Viveen, B The, D Eygendaal
PURPOSE: Allografts play an important role in tendon, ligament, and bone reconstruction surgery, particularly when suitable available autologous tissue is limited. Enthusiasm for the use of allografts in reconstructive orthopedic surgery has increased over the past decade, with an increase in allograft use in a variety of procedures. The purpose of this review is to provide an overview of the various applications and indications for the use of allografts in reconstructive surgical procedures of the elbow and forearm...
October 19, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/30334740/shear-waves-reveal-viscoelastic-changes-in-skeletal-muscles-after-hemispheric-stroke
#18
Ghulam Rasool, Allison B Wang, William Z Rymer, Sabrina S M Lee
We investigated alterations in material properties such as elasticity and viscoelasticity of stroke-affected muscles using ultrasound induced shear waves and mechanical models. We used acoustic radiation force to generate shear waves along fascicles of biceps muscles and measured their propagation velocity. The shear wave data were collected in muscles of 13 hemiplegic stroke survivors under passive conditions at 90°, 120°, and 150° elbow flexion angles. In a viscoelastic medium, as opposed to a purely elastic medium, the shear wave propagation velocity depends on the frequency content of the induced wave...
October 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/30326526/biceps-tendon-changes-in-youth-softball-pitchers-following-an-acute-bout-of-pitching
#19
Jeff W Barfield, Hillary A Plummer, Adam W Anz, James R Andrews, Gretchen D Oliver
Because pitch counts do not exist for softball, pitchers may throw between 1200 and 1500 pitches over 3-day tournaments. With this workload, a common symptom among softball pitchers is anterior shoulder pain. The purpose of this study was to examine long-head biceps tendon (LHBT) changes in youth softball pitchers following an acute bout of pitching. Nineteen softball pitchers (11.89±1.2 years; 158.23±9.71 cm; 61.59±14.76 kg) participated. Images of the LHBT were obtained prior to and immediately following a simulated game protocol...
October 16, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/30310840/inferior-shoulder-dislocation-after-shortening-osteotomy-of-the-humerus-a-case-report
#20
M Ceynowa, M Treder, F Dąbrowski, M Piotrowski, R Pankowski, M Rocławski
We present a case of a post-surgical complete dislocation after excessive proximal humeral shortening osteotomy performed in a patient operated on for atrophic non-union of a proximal humeral fracture. This complication has not been previously reported. The dislocation occurred due to extensive laxity of the soft tissue envelope, predominantly the deltoid muscle, as well as rotator cuff tear. The reconstructive procedurę consisted of vertical duplication of the capsule, reinforcement of the repair with coracoacromial ligament, tenodesis of the long head of the biceps tendon to the conjoined tendon and distal transfer of the deltoid muscle...
October 2018: Trauma Case Reports
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