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Biceps Tendon

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https://www.readbyqxmd.com/read/28719995/biomechanics-of-the-proximal-radius-following-drilling-of-the-bicipital-tuberosity-to-mimic-cortical-button-distal-biceps-repair-technique
#1
Nikhil R Oak, John R Lien, Alexander Brunfeldt, Jeffrey N Lawton
BACKGROUND: A fracture through the proximal radius is a theoretical concern after cortical button distal biceps fixation in an active patient. The permanent, nonossified cortical defect and medullary tunnel is at risk during a fall eliciting rotational and compressive forces. We hypothesized that during simulated torsion and compression, in comparison with unaltered specimens, the cortical button distal biceps repair model would have decreased torsional and compressive strength and would fracture in the vicinity of the bicipital tuberosity bone tunnel...
March 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28706821/arthroscopic-transtendinous-biceps-tenodesis-with-all-suture-anchor
#2
Chien-An Shih, Florence L Chiang, Chih-Kai Hong, Cheng-Wei Lin, Ping-Hui Wang, I-Ming Jou, Wei-Ren Su
There are several methods for long head of the biceps (LHB) tenodesis, yet the optimal option is still debatable. Here we introduce a technique for arthroscopic suprapectoral biceps tenodesis with an all-suture anchor, the transtendinous biceps tenodesis technique. The LHB tenodesis is performed by using the Y-Knot anchor (1.3-mm). A standard suprapectoral approach is used for the tenodesis. A 1.3-mm drill bit is used to drill through the midportion of the biceps tendon and underlying bone to make a pilot hole...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706810/a-simple-all-arthroscopic-knotless-suture-lasso-loop-technique-for-suprapectoral-biceps-tenodesis
#3
David Saper, Xinning Li
A variety of pathology of the long head of the biceps tendon can contribute to anterior shoulder pain in adults that can be managed with either arthroscopic tenotomy or tenodesis when conservative treatment fails. Biceps deformity or the Popeye sign is a major concern in patients after tenotomy. Biceps tenodesis can be performed in a variety of ways with different sized anchors and at different locations (suprapectoral or subpectoral). Several studies have shown that patient outcomes and complication rates are similar between all-arthroscopic suprapectoral biceps tenodesis and open subpectoral biceps tenodesis...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28702397/reconstruction-of-the-distal-biceps-tendon-using-triceps-graft-a-technical-note
#4
Thiago Medeiros Storti, Alexandre Firmino Paniago, Rafael Salomon Silva Faria
Rupture of the distal biceps brachii tendon typically occur in a contraction against resistance with the elbow in 90° of flexion. Chronic ruptures are uncommon and are complicated by tendon and muscle retraction and poor quality. Some reconstruction techniques have been described in the literature, with variations on the surgical exposures, type of graft (allo or autograft), graft donor site, and type of attachment to the radial tuberosity. The authors report the case of a patient presented a rupture of the distal biceps brachii tendon that took place five weeks earlier and, therefore, underwent reconstruction using autograft from the central strip of triceps tendon through double incision and fixation with anchors to the radial tuberosity...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28702386/disorders-of-the-long-head-of-the-biceps-tenotomy-versus-tenodesis
#5
Fabiano Rebouças Ribeiro, André Petry Sandoval Ursolino, Vinicius Ferreira Lima Ramos, Fernando Hovaguim Takesian, Antonio Carlos Tenor Júnior, Miguel Pereira da Costa
Disorders of the long head of biceps tendon are common in clinical practice. Their causes could be degenerative, inflammatory, instability (subluxation or luxation) or traumatic. They are generally associated to other diseases of the shoulder, mainly rotator cuff injuries. Currently, there is controversy in the literature regarding the indications for surgical treatment and the choice of the best technique for each case, due to the possibility of esthetic deformity, loss of muscle strength, and residual pain...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28701853/low-incidence-of-failure-after-proximal-biceps-tenodesis-with-unicortical-suture-button
#6
Jay B Cook, David M Sedory, Michael C Freidl, Douglas R Adams
PURPOSE: Recent interest in suture button fixation has developed with regard to proximal biceps tenodesis fixation. Biomechanical studies have demonstrated viability of a unicortical suture button technique in vitro. Despite this, no clinical data has been reported to validate the biomechanical data. The purpose of this study is to report on complication and failure rates in the early postoperative period after bicep tenodesis with a unicortical suture button. METHODS: A retrospective review was performed of all biceps tenodesis performed at our institution over a 36-month period using a unicortical suture button for fixation...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28685367/rare-muscular-variations-identified-in-a-single-cadaveric-upper-limb-a-four-headed-biceps-brachii-and-muscular-elevator-of-the-latissimus-dorsi-tendon
#7
Colin W Moore, Charles L Rice
Supernumerary or accessory heads of the biceps brachii are persistent muscular structures which can vary in number and location in the arm. Variations in other arm muscles, such as the coracobrachialis, can accompany supernumerary biceps brachii musculature in the upper limb. In this case report, we describe two rare muscular variants in a single adult male: a four-headed biceps brachii and the muscular elevator of the latissimus dorsi tendon. Additionally, accessory muscles of the brachialis and flexor digiti minimi brevis were identified in the upper limb...
July 6, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28684148/in%C3%A2-vivo-analysis-of-biceps-tendon-characteristics-in-subpectoral-tenodesis
#8
Raffy Mirzayan, Tadashi Takara, Michael Batech, Christopher L McCrum
PURPOSE: To report the in vivo characteristics of the long head of the biceps tendon (LHBT); to evaluate the relation of age, gender, height, weight, and body mass index to the length and sutured and tubularized diameter of the LHBT; and to determine the smallest possible tunnel diameter for a subpectoral biceps tenodesis (SPBT) that can accommodate most patients. METHODS: The study included 66 patients (33 men and 33 women) with an average age of 54 years (range, 29-73 years) undergoing SPBT...
July 3, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28670360/pain-and-the-pathogenesis-of-biceps-tendinopathy
#9
REVIEW
Elise B Raney, Finosh G Thankam, Matthew F Dilisio, Devendra K Agrawal
Biceps tendinopathy is a relatively common ailment that typically presents as pain, tenderness, and weakness in the tendon of the long head of the biceps brachii. Though it is often associated with degenerative processes of the rotator cuff and the joint, this is not always the case, thus, the etiology remains considerably unknown. There has been recent interest in elucidating the pathogenesis of tendinopathy, since it can be an agent of chronic pain, and is difficult to manage. The purpose of this article is to critically evaluate relevant published research that reflects the current understanding of pain and how it relates to biceps tendinopathy...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28669468/editorial-commentary-when-you-have-a-hammer-everything-looks-like-a-nail-tenodesis-of-a-normal-biceps-tendon-at-the-time-of-arthroscopic-rotator-cuff-repair-should-be-avoided
#10
EDITORIAL
Brian B Gilmer
Because of difficulties in diagnosis of pathology of the long head of the biceps tendon and a desire to prevent later complications, there may be a tendency to perform a biceps tenodesis even when pathology is mild. Surprisingly, in this multivariate analysis of a large database, tenodesis of the biceps was associated with increased odds of revision rotator cuff repair. Although the statistical power of these findings must be viewed in light of the limitations of "big data," surgeons must still use all available tools to avoid treatment of normal anatomy...
July 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28663378/factors-contributing-to-lower-metabolic-demand-of-eccentric-than-concentric-cycling
#11
Luis Penailillo, Anthony John Blazevich, Kazunori Nosaka
This study compared muscle-tendon behavior, muscle oxygenation and muscle activity between eccentric and concentric cycling exercise at the same work output to investigate why metabolic demand is lower during eccentric than concentric cycling. Eleven untrained men (27.1 ± 7.0 y) performed concentric cycling (CONC) and eccentric cycling (ECC) for 10 min (60 rpm) at 65% of the maximal concentric cycling power output (191 ± 45 W) four weeks apart. During cycling, oxygen consumption (VO2), heart rate (HR), vastus lateralis (VL) tissue total hemoglobin (tHb) and oxygenation index (TOI) were recorded, and muscle-tendon behavior was assessed using ultrasonography...
June 29, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28659056/the-influence-of-bicipital-groove-morphology-on-the-stability-of-the-long-head-of-the-biceps-tendon
#12
Jae Chul Yoo, Geethan Iyyampillai, Dongjun Park, Kyoung-Hwan Koh
PURPOSE: We aimed to evaluate the influence of the bony morphology of the bicipital groove on the stability of the long head of the biceps tendon (LHBT). METHODS: Among the patients who underwent magnetic resonance imaging of the shoulder at our outpatient clinic in 2012, those aged >40 years were included. After excluding cases with complete tear or unclear positioning of the biceps tendon, 464 shoulders were analyzed according to the position of the LHBT with respect to the bicipital groove...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28658878/role-of-mri-in-a-series-of-cases-with-biceps-injuries-of-the-shoulder
#13
Abhishek Dwivedi, P K Dhagat, S N Singh, Shalini Singh, Narender Yadav
Dislocation and injury of the biceps is associated with acute and chronic trauma, degenerative changes, repetitive microtrauma, or injuries associated with recurrent and neglected cases of shoulder dislocation. The cases of displaced biceps injuries are relatively rare (only 1/6(th) of all rotator cuff injuries). The dislocation of biceps is manifested with pain and restriction of movements. The X-ray shoulder is not of much help in this condition barring for ruling out the fractures of humerus and scapula...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658746/a-unique-triad-of-muscular-vascular-and-nervous-variations-in-upper-limb
#14
Dharmaraj Wamanrao Tamgire, Yogesh Ashok Sontakke, Sssn Rajasekhar, Karuppusamy Aravindhan
Multiple muscular and neurovascular anomalies in upper limb are reported continuously in medical literature because of their clinical significance. A unique case of the triad of variations was encountered during routine dissection activity. The variations observed were: 1) Accessory third head of biceps brachii; 2) High division of Brachial Artery; 3) Communication between Musculocutaneous Nerve and Median Nerve. Taken independently these variations are common but it is rare in a single cadaver. These abnormalities were found unilaterally on the right arm of the cadaver...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28642658/study-of-the-anterolateral-ligament-of-the-knee-in-formalin-embedded-cadavers
#15
Paloma Batista Almeida Fardin, Juliana Hott de Fúcio Lizardo, Josemberg da Silva Baptista
OBJECTIVE: To verify the incidence and characterize morphologically the anterolateral ligament of the knee (ALL) in cadaveric samples of the collection of the Laboratory of Anatomy of the Department of Morphology of the Universidade Federal do Espírito Santo. METHODS: Dissections and cross sections were performed for mesoscopic analysis of the anterolateral region of 15 knees preserved in 4% formalin solution in order to identify the ALL. RESULTS: After dissection of the skin and subcutaneous tissue of the knee anterolateral region, it was possible to identify the iliotibial tract (ITT), the patellar ligament and the femoral biceps tendon...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28634854/micrornas-associated-with-inflammation-in-shoulder-tendinopathy-and-glenohumeral-arthritis
#16
Finosh G Thankam, Chandra S Boosani, Matthew F Dilisio, Devendra K Agrawal
Inflammation is associated with glenohumeral arthritis and rotator cuff tendon tears. Epigenetically, miRNAs tightly regulate various genes involved in the inflammatory response. Alterations in the expression profile of miRNAs and the elucidation of their target genes with respect to the pathophysiology could improve the understanding of their regulatory role and therapeutic potential. Here, we screened key miRNAs that mediate inflammation and linked with JAK2/STAT3 pathway with respect to the coincidence of glenohumeral arthritis in patients suffering from rotator cuff injury (RCI)...
June 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28632290/a-single-incision-technique-for-distal-biceps-repair-using-a-flexible-reamer
#17
Todd P Pierce, Casey M Pierce, Kimona Issa, Vincent K McInerney, Anthony Festa, Anthony J Scillia
Distal biceps tendon ruptures are rare injuries that usually occur in middle-aged men. Most of these injuries are repaired acutely to restore preinjury function and strength. There is concern regarding the higher prevalence of certain complications with the double-incision technique. As such, the single-incision technique has also been studied to determine if it may produce superior safety and efficacy. In addition, the point of fixation may be created with either a rigid or a flexible reamer. The authors describe a technique that uses a single-incision cortical fixation achieved with a flexible reamer...
July 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/28623414/tenodesis-is-not-superior-to-tenotomy-in-the-treatment-of-the-long-head-of-biceps-tendon-lesions
#18
Roberto Castricini, Filippo Familiari, Marco De Gori, Daria Anna Riccelli, Massimo De Benedetto, Nicola Orlando, Olimpio Galasso, Giorgio Gasparini
PURPOSE: To compare the effectiveness of tenodesis and tenotomy in the treatment of long head of the biceps tendon (LHBT) lesions. The null hypothesis was that there is no difference in functional scores between the tenotomy and tenodesis groups. METHODS: A total of 69 patients with a combined supraspinatus tear and LHBT lesion aged over 40 years entered this prospective comparative study and were randomly assigned to the arthroscopic LHB tenotomy or tenodesis group...
June 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28615808/triceps-to-biceps-transfer-for-restoration-of-elbow-flexion-following-upper-brachial-plexus-injury
#19
Pothula Durga Prasada Rao, Rayidi Venkata Koteswara Rao, R Srikanth
INTRODUCTION: Upper brachial plexus injury in adults causes loss of elbow fl exion; when the primary nerve surgery has failed or the patient seeks treatment after 12 months of injury and pedicled muscle transfers are required. Most commonly, the latissimus dorsi or the Steindler flexorplasty is used. MATERIAL AND METHODS: We have transferred one of the heads of triceps muscle to restore the elbow flexion in such cases. In addition to return of elbow flexion, extension of elbow following surgery is retained...
January 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28606648/reliability-of-sonographic-assessment-of-biceps-femoris-distal-tendon-strain-during-passive-stretching
#20
Eleftherios Kellis, Athanasios Ellinoudis, Konstantina Intziegianni
The purpose of this study was to determine the intra-rater, inter-examiner and inter-observer reliability of biceps femoris long head (BFlh) tendon strain using ultrasound imaging. Nineteen patients (age: 20.4 ± 0.35 y) were tested twice with a 1-wk interval. Each session included passive stretching from three different hip positions. Tests were performed independently by two examiners while BFlh tendon displacement (mm) and strain (%) were manually extracted from ultrasound video footages by two observers...
June 9, 2017: Ultrasound in Medicine & Biology
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