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https://www.readbyqxmd.com/read/27903163/ultrasound-imaging-of-ulnar-collateral-ligament-injury
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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-fetal-specimens
#8
Zhe Wu Jin, Yu Jin, Masahito Yamamoto, Hiroshi Abe, Gen Murakami, Ting Feng 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 fetuses. Semiserial sections of five mid-term fetuses of gestational age (GA) 14-16 weeks and 12 late-stage fetuses of GA 28-30 weeks were histologically examined and three forearms at GA 30 weeks were macroscopically evaluated. Late-stage fetuses showed a fascial structure between the supinator and FDP muscles...
November 10, 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
#9
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
#10
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
https://www.readbyqxmd.com/read/27814945/reconstruction-of-medial-collateral-ligament-defects-with-a-flexor-pronator-fascia-patch-in-complete-open-release-of-stiff-elbows
#11
Shuai Chen, Hede Yan, Wei Wang, Mei Zhang, Kevin A Hildebrand, Cun-Yi Fan
BACKGROUND: Because medial elbow stability is essential for stiff elbow release, surgical techniques have been reported for reconstructing medial elbow stability. However, medial collateral ligament (MCL) defects, caused by inevitable detachment and resection performed for complete release, make the reconstruction more challenging. To our knowledge, no study has evaluated the outcomes after using a flexor-pronator fascia patch in medial elbow reconstruction for open release of stiff elbows...
November 2, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27806538/epidemiology-of-the-upper-extremity-trauma-in-a-traumatic-center-in-iran
#12
Maryam Ameri, Kamran Aghakhani, Ebrahim Ameri, Shahrokh Mehrpisheh, Azadeh Memarian
INTRODUCTION: Orthopedic injuries are the most common types of traumatic injuries and present as fractures of the limbs, pelvis, and vertebrae or lesions in soft tissues, muscles, ligaments, and tendons. The upper limb fractures occur in distal radius and ulna, metacarpals, fingers, scapula, and carpal bones, Proximal, diaphysis, distal humerus, clavicle, proximal ulna and radio and distal humero and humero, radio, ulna, and metacarpo. The objective of this project was to accurately describe the occurrence of injuries of the upper extremity and the mechanisms of such injuries in a representative sample of Iranian population...
August 10, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27795946/treatment-of-the-ulnar-nerve-for-overhead-throwing-athletes-undergoing-ulnar-collateral-ligament-reconstruction
#13
REVIEW
Matthew S Conti, Christopher L Camp, Neal S Elattrache, David W Altchek, Joshua S Dines
Ulnar nerve (UN) injuries are a common complaint amongst overhead athletes. The UN is strained during periods of extreme valgus stress at the elbow, especially in the late-cocking and early acceleration phases of throwing. Although early ulnar collateral ligament (UCL) reconstruction techniques frequently included routine submuscular UN transposition, this is becoming less common with more modern techniques. We review the recent literature on the sites of UN compression, techniques to evaluate the UN nerve, and treatment of UN pathology in the overhead athlete...
October 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27765500/loss-of-reduction-and-complications-of-coracoclavicular-ligament-reconstruction-with-autogenous-tendon-graft-in-acute-acromioclavicular-dislocations
#14
Nam Hong Choi, Seok Min Lim, Sang Young Lee, Tae Kang Lim
BACKGROUND: This study was conducted to report loss of reduction and complications after single-tunnel coracoclavicular (CC) ligament reconstruction with autogenous semitendinosus tendon graft for acute acromioclavicular (AC) joint dislocations. METHODS: This retrospective study included patients with acute, unstable AC dislocations (surgery within 6 weeks after trauma). We excluded patients with chronic injury and distal clavicle fractures with CC ligaments disruption...
October 17, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27761222/comparative-analysis-of-surgical-options-for-medial-collateral-ligament-repair-in-terrible-triad-injury-of-the-elbow
#15
Taku Hatta, Shingo Nobuta, Toshitake Aizawa, Koichi Sasajima, Soichi Nakajima, Masahito Honda, Gosuke Oki, Yoshiaki Yamanaka, Eiji Itoi
The aim of our study is to evaluate the clinical and radiologic outcomes in patients with terrible triad injury, who underwent surgical treatment with or without the medial collateral ligament (MCL) repair. Fourteen patients who underwent surgery with a minimum of 12-month follow-up (mean, 17 months) were reviewed. Based on the systematic treatment protocol, radial head fracture, lateral collateral ligament, and coracoid fracture were treated. Subsequently, torn MCL was repaired in 7 patients, whereas in the remaining 7 patients, the MCL was not treated...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27745810/effect-of-ulnar-tunnel-location-on-elbow-stability-in-double-strand-lateral-collateral-ligament-reconstruction
#16
H Mike Kim, Colin R Andrews, Evan P Roush, Gregory I Pace, Gregory S Lewis
BACKGROUND: Double-strand lateral ulnar collateral ligament (LUCL) reconstruction is an effective treatment for posterolateral rotatory instability (PLRI) of the elbow, but anatomic landmarks for ulnar tunnel placement are often difficult to identify intraoperatively, which potentially can result in a nonanatomic LUCL reconstruction. This study investigated the effect of ulnar tunnel location on joint stability in double-strand LUCL reconstruction. METHODS: PLRI was artificially created in 7 cadaveric elbows, and double-strand LUCL reconstruction was performed...
October 10, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27745805/internet-resources-for-tommy-john-injuries-what-are-patients-reading
#17
Christine C Johnson, Grant H Garcia, Joseph N Liu, Jeffrey G Stepan, Ronak M Patel, Joshua S Dines
BACKGROUND: The quality of medical information on the Internet has come under scrutiny. This study investigates the quality, accuracy, and readability of online information regarding ulnar collateral ligament (UCL) injuries. METHODS: Three search terms ("elbow ulnar collateral ligament injury," "tommy john injury," and "pitcher's elbow") were entered into 3 Internet search engines. Three independent reviewers evaluated the content and accuracy of the information with a set of predetermined scoring criteria...
October 10, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27742247/fresh-osteochondral-allograft-transplantation-for-osteochondritis-dissecans-of-the-capitellum-in-baseball-players
#18
Raffy Mirzayan, Michael J Lim
BACKGROUND: Osteochondritis dissecans (OCD) of the capitellum is a rare yet debilitating injury seen in young athletes. This is the first report in the literature describing fresh osteochondral allograft transplantation (FOCAT) to treat OCD of the capitellum. METHODS: Nine male baseball players (mean age, 15.3; range, 14-18 years), with OCD of the capitellum were treated with FOCAT. There were 6 pitchers and 3 position players. A ligament-sparing, mini-open approach was used...
November 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27726752/imaging-the-injured-pediatric-athlete-upper-extremity
#19
Jorge Delgado, Diego Jaramillo, Nancy A Chauvin
Increased physical activity in childhood has resulted in a large number of sports-related injuries. Although there is overlap between the sports-related injuries seen in pediatric and adult patients, important differences exist in the injury patterns of pediatric patients. These differences are related to the continuous changes in the developing skeleton and its relationship with adjacent soft tissues. The imbalance in strength between the growing bones and the nearby tendons and ligaments makes the bones prone to acute and chronic injuries...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27713578/a-rare-cause-of-chronic-elbow-pain-in-an-adolescent-baseball-player-a-case-report
#20
David Wasylynko
OBJECTIVE: To present a case of chronic elbow pain as a result of a hidden underlying osteochondral defect. CLINICAL FEATURES: A 17-year old baseball player presented with chronic lateral elbow pain. Examination revealed swelling of the elbow with signs of possible ligament, muscle, and tendon injury. DIAGNOSIS AND TREATMENT: Although there was apparent soft-tissue injury, the elbow swelling created immediate suspicion of a more serious underlying condition...
September 2016: Journal of the Canadian Chiropractic Association
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