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Elbow Ligament

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https://www.readbyqxmd.com/read/28087397/elbow-locking-in-a-patient-with-a-congenital-radial-head-dislocation-case-report
#1
Hee-June Kim, Poong-Taek Kim, Hyun-Joo Lee, Maria Florencia Deslivia
Snapping elbow is a rare condition which has various possible causes such as impinged plica, annular ligament, or other extra-articular causes. We report a case of 15-year-old boy who had had snapping elbow and sudden onset flexion contracture of the elbow. Simple radiographs showed bilateral anterior dislocation of hypoplastic radial heads. Magnetic resonance images with the elbow extended as much as possible showed that the annular ligament hemmed the dislocated radial neck. By surgical incision of the annular ligament which checkreined the radial neck, the patients could regain full extension of the elbow...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#2
Brian C Lau, Nirav K Pandya
BACKGROUND: There are excellent data supporting recommendations to prevent elbow injuries (osteochondritis dissecans [OCD] and ulnar collateral ligament [UCL] injuries), such as pitch count and pitch type in baseball, but anatomic risk factors have not been thoroughly examined. This study aimed to evaluate radiographic measurements in adolescents with elbow OCD lesions or UCL injuries and controls. METHODS: We retrospectively identified adolescent patients between 2011 and 2016 with isolated capitellum OCD, UCL tear, or normal elbows based on magnetic resonance imaging...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28065478/a-comparison-of-the-open-reduction-internal-fixation-and-resection-arthroplasty-techniques-in-treatment-of-mason-type-3-radial-head-fractures
#3
Yunus Emre Akman, Erhan Sukur, Esra Circi, Osman Nuri Ozyalvac, Fatih Ozyer, Yusuf Ozturkmen
OBJECTIVE: The aim of this study was to retrospectively compare a series of patients surgically treated with ORIF or early resection arthroplasty due to isolated comminuted radial head fractures. METHODS: Between the years 2009 and 2013, 34 patients with isolated comminuted fractures of the radial head (Mason Type 3) had been operated (ORIF in 19 patients, resection arthroplasty in 15 patients). The mean age of the patients in the ORIF group was 38.5 years and 54 years in the resection group...
January 5, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28052828/forearm-instability-anatomy-biomechanics-and-treatment-options
#4
REVIEW
Julie E Adams
The forearm unit consists of the radius and ulna, a complex and interrelated set of joints (distal radioulnar joint, proximal radioulnar joint) and the soft tissue stabilizers between the 3 bones. Distally, this is represented by the triangular fibrocartilage complex at the wrist, proximally by the annular ligament at the elbow, and in the forearm by the interosseous membrane. Disruptions in any of these structures may lead to forearm instability, with consequences at each of the remaining structures.
January 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28043849/clavicle-fractures
#5
REVIEW
M Ropars, H Thomazeau, D Huten
Management of clavicle fracture has progressed over the last decade, notably with wider use of surgery in midshaft fracture, and new techniques for lateral fracture. Midshaft clavicle fracture treatment needs to be personalized and adapted to the patient's activity level. Whichever the segment involved, treatment for non-displaced fracture is functional; elbow-to-body sling immobilization seems the best tolerated. Apart from regular surgical indications (shoulder impaction, floating shoulder, open fracture or fracture with neurovascular complications), surgery is recommended in case of bone shortening exceeding 1...
December 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28039347/irreducible-posterolateral-elbow-dislocation-a-rare-injury
#6
Christopher Fenelon, Muhammed M Zafar, Gerard Anthony Sheridan, Stephen Kearns
Posterolateral dislocation of the elbow is an injury commonly treated in the emergency department by closed reduction. Very rarely it can be irreducible and require open reduction. Only four cases of irreducible posterolateral elbow dislocation have been described in the literature over the past 50 years. We report the case of a 20-year-old man who sustained such an injury. Open reduction was performed and revealed the radial head protruding or 'buttonholing' through the lateral collateral ligament complex...
December 30, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28005101/ulnar-collateral-ligament-reconstruction-current-philosophy-in-2016
#7
E Lyle Cain, Taylor P Mathis
The ulnar collateral ligament (UCL) is the primary static restraint to valgus stress at the elbow. Since Jobe pioneered reconstruction in 1974, thousands of throwers have undergone UCL reconstruction, and good results have been achieved. The high-profile nature of the elite pitcher has brought this technique into the spotlight, and extensive research has been performed with new techniques emerging. The standard reconstruction, modified only slightly since Jobe's original description, remains the gold standard for treatment of UCL insufficiency...
November 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27987508/-analysis-of-anterolateral-approach-and-lateral-approach-for-the-treatment-of-coronal-shear-fracture-of-the-distal-humeral
#8
Y Li, Y J Cha, T Li, M Q Gong, X Y Jiang
OBJECTIVE: To treat the coronal shear fracture of the distal humeral during open reduction and internal fixation by anterolateral approach and lateral approach, and to analyze the advantage and disadvantage of each approach. METHODS: From September 2006 to July 2014, 10 patients with coronal fracture of the distal humeral were analyzed, who were all treated with Open Reduction and Internal Fixation (ORIF), 5 with anterolateral approach (group A) and 5 with lateral approach (group B)...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27940806/treatment-for-ulnar-neuritis-around-the-elbow-in-adolescent-baseball-players-factors-associated-with-poor-outcome
#9
Masahiro Maruyama, Hiroshi Satake, Masatoshi Takahara, Mikio Harada, Tomohiro Uno, Nariyuki Mura, Michiaki Takagi
BACKGROUND: Ulnar neuritis around the elbow is one of the injuries seen in throwing athletes. Outcomes of nonsurgical treatment and factors associated with failure outcomes have not been reported. PURPOSE: To investigate the outcomes of treatments for ulnar neuritis in adolescent baseball players. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: We assessed 40 male baseball players with a mean age of 15.0 years (range, 13-17 years) who presented with ulnar neuritis...
December 9, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27939280/multicenter-trial-of-an-internal-joint-stabilizer-for-the-elbow
#10
Jorge L Orbay, David Ring, Amir R Kachooei, Jose Santiago-Figueroa, Luis Bolano, Miguel Pirela-Cruz, Michael Hausman, Rick F Papandrea
BACKGROUND: Our primary efficacy objective was to evaluate the effectiveness of the internal joint stabilizer of the elbow (IJS-E) in maintaining concentric location of the elbow during and after removal of the device in the treatment of persistent or recurrent instability after elbow fracture or dislocations, or both. The secondary study objectives were to assess range of motion, Broberg-Morrey functional score, Broberg-Morrey categorical rating, the Disabilities of the Arm, Shoulder and Hand score, and the rate of complications and adverse events after the use of IJS-E...
January 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27903163/ultrasound-imaging-of-ulnar-collateral-ligament-injury
#11
Arie J van Duijn, Shawn D Felton
The patient was an 18-year-old collegiate baseball pitcher who injured his right throwing elbow during an overhead slider pitch. As a part of a study, preinjury ultrasound images of the throwing arm were obtained 2 weeks prior to the injury. One day postinjury, repeat ultrasound imaging of the medial elbow was performed. The attending team physician ordered a magnetic resonance arthrogram 2 days after injury, which confirmed the presence of a complete tear of the ulnar collateral ligament. J Orthop Sports Phys Ther 2016;46(12):1086...
December 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27896290/do-clinical-results-and-return-to-sport-rates-after-ulnar-collateral-ligament-reconstruction-differ-based-on-graft-choice-and-surgical-technique
#12
Brandon J Erickson, Gregory L Cvetanovich, Rachel M Frank, Bernard R Bach, Mark S Cohen, Charles A Bush-Joseph, Brian J Cole, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament reconstruction (UCLR) has become a common procedure performed in overhead-throwing athletes of many athletic levels. PURPOSE/HYPOTHESIS: The purpose of this study was to determine whether clinical outcomes and return-to-sport (RTS) rates differ among patients undergoing UCLR based on graft choice, surgical technique, athletic competition level, handedness, and treatment of the ulnar nerve. We hypothesized that no differences would exist in clinical outcomes or RTS rates between technique, graft choice, or other variables...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27887872/optimizing-the-rehabilitation-of-elbow-lateral-collateral-ligament-injuries-a-biomechanical-study
#13
Ranita H K Manocha, Jonathan R Kusins, James A Johnson, Graham J W King
BACKGROUND: Elbow lateral collateral ligament (LCL) injury may arise after trauma or lateral surgical approaches. The optimal method of rehabilitating the LCL-insufficient elbow is unclear. Therapists often prescribe active motion exercises with the forearm pronated. Recently, overhead exercises have become popular as they may enable gravity to compress the elbow joint, improving stability, although this has not been proved biomechanically. This investigation aimed to quantify the effects of several variables used in LCL injury rehabilitation on elbow stability...
November 22, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27886841/management-of-upper-extremity-injury-in-divers
#14
REVIEW
Steven C Haase
Modern competitive diving-especially platform diving-applies dramatic stress to the upper extremity. Some stress occurs during handstand-style takeoffs, but more force is delivered to the hand, wrist, elbow, and shoulder during hands-first entry. Hand positions that minimize the amount of splash result in forceful wrist extension. This repetitive impact can lead to chronic upper extremity pain and acute injuries that require operative intervention. Many divers use taping and bracing to prevent or treat this type of injury, but these are only modestly effective...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27886839/medial-elbow-injuries-in-the-throwing-athlete
#15
REVIEW
Jimmy H Daruwalla, Charles A Daly, John G Seiler
Medial elbow injuries in the throwing athlete are common and increasing in frequency. They occur due to repetitive supraphysiologic forces acting on the elbow during the overhead throw. Overuse and inadequate rest are salient risk factors for injury. Most athletes improve substantially with rest and nonoperative treatment, although some athletes may require surgical intervention to return to play. Because of advances in conservative and surgical treatments, outcomes after medial elbow injury have improved over time...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27886684/controversies-in-fractures-of-the-proximal-ulna
#16
REVIEW
Christopher M Hopkins, James H Calandruccio, Benjamin M Mauck
The olecranon process, coronoid process, and greater sigmoid notch are important components of the complex proximal ulna. Along with providing bony stability to the ulnohumeral joint, the proximal ulna serves as the attachment site of many important muscles and ligaments that impart soft tissue stability to the elbow joint. Management of proximal ulnar fractures continues to evolve as advances in imaging and anatomic and biomechanical studies have led to improvements in available implants; however, controversies remain, as shown in the current relevant literature...
January 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/27863927/concomitant-injury-of-the-annular-ligament-in-fractures-of-the-coronoid-process-and-the-supinator-crest
#17
Tim Leschinger, Lars Peter Müller, Michael Hackl, Martin Scaal, Kay Schmidt-Horlohé, Kilian Wegmann
BACKGROUND: Fractures of the coronoid process or the supinator crest, as well as arthroscopic resection of osteophytes around the coronoid process, can endanger the attachment of the annular ligament (AL) to the proximal ulna. The purpose of this study was to investigate the corresponding insertional areas of the AL within this context. METHODS: In 30 embalmed human cadaveric elbow specimens, the insertional area of the AL at the anterior and posterior margin of the sigmoid notch was characterized...
November 15, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27830875/oblique-cord-chorda-obliqua-of-the-forearm-and-muscle-associated-fibrous-tissues-at-and-around-the-elbow-joint-a-study-of-human-foetal-specimens
#18
Z W Jin, Y Jin, M Yamamoto, H Abe, G Murakami, T F Yan
In adults, the oblique cord or chorda obliqua separates the origins of the flexor pollicis longus (FPL) and flexor digitorum profundus (FDP) muscles from the supinator muscle and elbow joint. This study examined the topographic anatomy of the oblique cord and related muscles in foetuses. Semiserial sections of five mid-term foetuses of gestational age (GA) 14-16 weeks and 12 late-stage foetuses of GA 28-30 weeks were histologically examined and three forearms at GA 30 weeks were macroscopically evaluated. Late-stage foetuses showed a fascial structure between the supinator and FDP muscles...
2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27825706/avulsion-fracture-of-the-supinator-crest-as-an-indication-for-a-sustained-posterolateral-sub-luxation-of-the-elbow-a-case-report-anatomical-evaluation-and-review-of-the-literature
#19
D Broekhuis, J H J M Bessems, J W Colaris
The treatment of elbow injuries can be challenging because of the complexity of both anatomy and pathology. We present a rare traumatic avulsion fracture of the supinator crest of the ulna in a 37-year-old patient. Conservative treatment in a long arm cast for four weeks led to satisfactory results. Reproduction of the fracture on a cadaveric elbow clarified that the avulsed fragment holds the insertion of the lateral ulnar collateral ligament (LUCL). The mechanism of trauma that causes this fracture is a posterolateral (sub) luxation of the elbow, which usually causes the LUCL to rupture, but in rare cases the insertion of this ligament can be avulsed...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27822697/annular-ligament-reconstruction-with-the-superficial-head-of-the-brachialis-surgical-technique-and-biomechanical-evaluation
#20
Michael Hackl, Kilian Wegmann, Christian Ries, Sebastian Lappen, Martin Scaal, Lars Peter Müller
PURPOSE: The purpose of this study was to perform biomechanical testing of annular ligament (AL) reconstruction using the superficial head of the brachialis tendon (SHBT) as a distally based tendon graft. We hypothesized that posterior translation of the radial head following AL reconstruction with an SHBT graft does not significantly differ from intact specimens. METHODS: Six fresh-frozen elbow specimens were used. The stability of the radial head against posterior translation forces (30 N) was evaluated in 0°, 45°, 90° and 120° of elbow flexion...
November 7, 2016: Surgical and Radiologic Anatomy: SRA
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