793 results match your criteria Ulnar Collateral Ligament Injury


Do Outcomes or Subsequent Injuries Differ After Ulnar Collateral Ligament Reconstruction With Palmaris Versus Hamstring Autograft?

Am J Sports Med 2019 Apr 18:363546519836086. Epub 2019 Apr 18.

Rothman Orthopaedic Institute, New York, New York, USA.

Background: Ulnar collateral ligament reconstruction (UCLR) is a successful procedure in professional baseball players. It is unclear whether graft choice affects results.

Purpose: Determine performance and rate of return to sport (RTS) in professional baseball players after UCLR and compare performance and RTS rate, as well as injury rates, between players who underwent UCLR with hamstring versus palmaris autograft. Read More

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http://dx.doi.org/10.1177/0363546519836086DOI Listing
April 2019
1 Read

Can platelet-rich plasma therapy save patients with ulnar collateral ligament tears from surgery?

Regen Ther 2019 Jun 22;10:123-126. Epub 2019 Mar 22.

Global Care Medical Center of Canlubang, Laguna, Philippines.

Introduction: Platelet-rich plasma (PRP) has been shown to be effective in treating partial tears of the ulnar collateral ligament (UCL) of the elbow in overhead throwing athletes, but it is still unknown whether it has a role in complete tears. The aim of this study was to assess the effectiveness of PRP in treating complete as well as partial UCL tears. We hypothesized that trephination of the injured UCL followed by injection with PRP can promote healing of both partial and complete tears. Read More

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http://dx.doi.org/10.1016/j.reth.2019.02.004DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6434065PMC
June 2019
3 Reads

Perthes-Like Lesion in Wrist Joint: Stripping of Ulnar Collateral Ligament.

J Wrist Surg 2019 Apr 27;8(2):152-156. Epub 2018 Sep 27.

Department of Hand and Wrist Surgery, Jehangir Hospital, Pune, Maharashtra, India.

 Chronic ulnar-sided wrist pain often proves to be a challenging presenting complaint. A new type of injury to the ulnar collateral ligament (UCL) of the wrist is described in a young female. It is characterized by stripping of UCL from ulnar attachment. Read More

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http://dx.doi.org/10.1055/s-0038-1672152DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6443398PMC
April 2019
1 Read

Mini hook plate fixation for thumb ulnar collateral ligament avulsion fracture: A technical report.

Orthop Traumatol Surg Res 2019 Mar 25. Epub 2019 Mar 25.

Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, Gifu, Japan.

Ulnar collateral ligament (UCL) injuries of the thumb sometimes occur with avulsion fracture. Avulsion fractures generally require open reduction and internal fixation to restore stability of the metacarpophalangeal (MP) joint of the thumb. Although several surgical techniques have been reported, UCL avulsion fractures are still challenging hand injuries to treat and to obtain stable fixation that allows early finger motion because of small size of fragment. Read More

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http://dx.doi.org/10.1016/j.otsr.2019.01.008DOI Listing
March 2019
1 Read

Side of Hamstring Harvest Does Not Affect Performance, Return-to-Sport Rate, or Future Hamstring Injuries After Ulnar Collateral Ligament Reconstruction Among Professional Baseball Pitchers.

Am J Sports Med 2019 Apr 21;47(5):1111-1116. Epub 2019 Mar 21.

Rothman Orthopaedic Institute, New York, New York, USA.

Background:: Ulnar collateral ligament reconstruction (UCLR) is a successful procedure among professional baseball pitchers. It is unclear if hamstring tendon harvest side for UCLR affects the outcome or alters the risk for subsequent hamstring injury.

Hypothesis:: Players with prior UCLR with ipsilateral (drive leg) hamstring autograft will have the same return-to-sport (RTS) rate and performance upon RTS but a higher number of subsequent lower extremity injuries than those with contralateral (landing leg) hamstring autograft. Read More

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http://dx.doi.org/10.1177/0363546519829473DOI Listing
April 2019
4 Reads

Variations in Blood Supply From Proximal to Distal in the Ulnar Collateral Ligament of the Elbow: A Qualitative Descriptive Cadaveric Study.

Am J Sports Med 2019 Apr 21;47(5):1117-1123. Epub 2019 Mar 21.

The Steadman Clinic, Vail, Colorado, USA.

Background:: The vascular supply of the ulnar collateral ligament (UCL) is unknown. Previous studies reported varying success in return-to-play rates after nonoperative management of partial UCL tears and suggested a varying healing capacity as possibly related to the location of the UCL injury.

Purpose:: To analyze the macroscopic vascular anatomy of the UCL of the elbow. Read More

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http://dx.doi.org/10.1177/0363546519831693DOI Listing
April 2019
6 Reads

Performance and Return to Sport After Ulnar Nerve Decompression/Transposition Among Professional Baseball Players.

Am J Sports Med 2019 Apr 18;47(5):1124-1129. Epub 2019 Mar 18.

Rothman Orthopaedic Institute, Department of Orthopaedic Surgery, New York, New York, USA.

Background:: Isolated ulnar nerve decompression/transposition is an uncommon surgical procedure among professional baseball players.

Purpose/hypothesis:: To determine performance and rate of return to sport (RTS) among professional baseball players after isolated ulnar nerve decompression/transposition, including those who required decompression/transposition after ulnar collateral ligament reconstruction (UCLR), and to compare outcomes between cases and matched controls. The authors hypothesized a high rate of RTS among professional baseball players undergoing isolated ulnar nerve decompression/transposition with no difference in RTS rate or performance between cases and controls as related to earned run average, WHIP ([walks + hits]/innings pitched), wins above replacement, and on base + slugging percentage. Read More

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http://dx.doi.org/10.1177/0363546519829159DOI Listing
April 2019
2 Reads

Segmental Power Analysis of Sequential Body Motion and Elbow Valgus Loading During Baseball Pitching: Comparison Between Professional and High School Baseball Players.

Orthop J Sports Med 2019 Feb 25;7(2):2325967119827924. Epub 2019 Feb 25.

California State University-Sacramento, Sacramento, California, USA.

Background: Pitching-related elbow injuries remain prevalent across all levels of baseball. Elbow valgus torque has been identified as a modifiable risk factor of injuries to the ulnar collateral ligament in skeletally mature pitchers.

Purpose: To examine how segmental energy flow (power) influences elbow valgus torque and ball speed in professional versus high school baseball pitchers. Read More

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http://dx.doi.org/10.1177/2325967119827924DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6390228PMC
February 2019
1 Read

Influence of Pitching Release Location on Ulnar Collateral Ligament Reconstruction Risk Among Major League Baseball Pitchers.

Orthop J Sports Med 2019 Feb 21;7(2):2325967119826540. Epub 2019 Feb 21.

Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.

Background: Medial ulnar collateral ligament (UCL) reconstruction is a common procedure performed among Major League Baseball (MLB) pitchers. The etiology of UCL injury is complex and is not entirely understood.

Hypothesis: To better understand risk factors for requiring UCL reconstruction, we hypothesized that pitchers who eventually undergo the procedure will exhibit different throwing mechanics as measured by pitch-tracking data points, such as velocity and release location. Read More

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http://dx.doi.org/10.1177/2325967119826540DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6385331PMC
February 2019
2 Reads

Fractures of the proximal ulna: current concepts in surgical management.

EFORT Open Rev 2019 Jan 7;4(1):1-9. Epub 2019 Jan 7.

Department of Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, Germany.

Fractures of the proximal ulna range from simple olecranon fractures to complex Monteggia fractures or Monteggia-like lesions involving damage to stabilizing key structures of the elbow (i.e. coronoid process, radial head, collateral ligament complex). Read More

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http://dx.doi.org/10.1302/2058-5241.4.180022DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6362340PMC
January 2019
2 Reads

Glenohumeral rotation deficits in high school, college, and professional baseball pitchers with and without a medial ulnar collateral ligament injury.

J Shoulder Elbow Surg 2019 Mar;28(3):423-429

Andrews Institute for Orthopaedics and Sports Medicine, Gulf Breeze, FL, USA; Andrews Research and Education Foundation, Gulf Breeze, FL, USA.

Background: It is unclear how a glenohumeral internal rotation (IR) loss (GIRLoss), a glenohumeral external rotation (ER) gain (GERGain), or a total rotational motion (TRM) deficit (TRMD) predict medial ulnar collateral ligament (MUCL) injury risk among high school (HS), college (COLL), and professional (PRO) baseball pitchers with and without MUCL injury. We hypothesized that pitchers with MUCL injury would have more GIRLoss and TRMD compared with pitchers without MUCL injury, with no differences in IR, ER, TRM, GIRLoss, GERGain, and TRMD.

Methods: The study equally divided 216 male HS, COLL, and PRO pitchers into the MUCL injury group (n = 108) and a control group (n = 108) without MUCL injury. Read More

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http://dx.doi.org/10.1016/j.jse.2018.11.038DOI Listing
March 2019
1 Read

Medial elbow stability assessment after ultrasound-guided ulnar collateral ligament transection in a cadaveric model: ultrasound versus stress radiography.

J Shoulder Elbow Surg 2019 Feb 13. Epub 2019 Feb 13.

Andrews Research and Education Foundation, Gulf Breeze, FL, USA.

Background: The ulnar collateral ligament (UCL), consisting of 3 bundles, is the primary medial restraint in the elbow. Recent research has demonstrated that ultrasound is an effective modality to evaluate the medial elbow, whereas stress radiography is standard practice in the measurement of medial elbow laxity. This study (1) compared dynamic ultrasound (US) with stress radiography in the evaluation of UCL insufficiency and (2) further evaluated the contribution of the anterior bundle of the UCL to medial elbow stability. Read More

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http://dx.doi.org/10.1016/j.jse.2018.11.060DOI Listing
February 2019
2 Reads

[Rare case of palmar disc dislocation after wrist distorsion].

Unfallchirurg 2019 Feb 14. Epub 2019 Feb 14.

Abteilung für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum Tübingen, Eberhard-Karls-University, Hoppe-Seyler-Str.3, 72076, Tübingen, Deutschland.

Objective: The aim of this study was the elaboration of clinical symptoms and image findings in injuries of the wrist and ulnar-sided pain with accompanying damage to the articular disc and the triangular fibrocartilage complex (TFCC).

Material And Methods: This article reports about a 26-year-old male patient who presented to the department of surgery of this hospital after repeated falls onto the right wrist. Following the latest fall there was persistent wrist pain and limited movement, especially in supination. Read More

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http://dx.doi.org/10.1007/s00113-019-0613-0DOI Listing
February 2019
1 Read

Additional Dorsal Fibrocartilage Repair in a Combined Radial Collateral Ligament and Dorsal Fibrocartilage Injury of the Thumb Metacarpophalangeal Joint.

Orthopedics 2019 Mar 14;42(2):e268-e272. Epub 2019 Feb 14.

The purpose of this study was to evaluate the necessity of an additional dorsal fibrocartilage (DFC) repair in combined radial collateral ligament (RCL) and DFC injuries of the thumb metacarpophalangeal joint (MPJ). Eight cadaveric thumbs were used. Ulnar/radial deviation, prosupination, and volar/dorsal laxity were measured. Read More

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http://dx.doi.org/10.3928/01477447-20190211-03DOI Listing
March 2019
5 Reads

Repair and augmentation of the lateral collateral ligament complex using internal bracing in dislocations and fracture dislocations of the elbow restores stability and allows early rehabilitation.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 14. Epub 2019 Feb 14.

Sporthopaedicum, Straubing and Regensburg, Bahnhofplatz, 27, 94315, Straubing, Germany.

Purpose: Most elbow dislocations can be treated conservatively, with surgery indicated in special circumstances. Surgical options, apart from fracture fixation, range from repair or reconstruction of the damaged ligaments to static external fixation, usually entailing either a long period of immobilization followed by carefully monitored initiation of movement or dynamic external fixation. In general, no consensus regarding surgical treatment has been reached. Read More

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http://dx.doi.org/10.1007/s00167-019-05402-9DOI Listing
February 2019
6 Reads

Complete Rupture of the Triceps Tendon and Ulnar Collateral Ligament of the Elbow in a 13-Year-Old Football Player: A Case Report.

J Orthop Case Rep 2018 Sep-Oct;8(5):15-18

Department of Orthopedic Surgery, Henry Ford Hospital, 2799 W. Grand Blvd, Detroit, MI 48202, United States.

Introduction: With the increasing number of children and adolescents participating in sports, pathologies once reserved for high-level athletes are now emerging in this younger population. Distal triceps tendon tears represent an injury infrequently seen even among older, skeletally mature athletes. We report a case of distal triceps tendon tear with concomitant ulnar collateral ligament (UCL) injury in a skeletally-immature football player. Read More

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http://dx.doi.org/10.13107/jocr.2250-0685.1188DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6367299PMC
February 2019
2 Reads

Approach to Medial Elbow Pain in the Throwing Athlete.

Authors:
L Pearce McCarty

Curr Rev Musculoskelet Med 2019 Mar;12(1):30-40

Sports & Orthopaedic Specialists, part of Allina Health, 8100 W 78th Street, Suite 225, Edina, MN, 55439, USA.

Purpose Of Review: Injury to the ulnar collateral ligament is the most common, significant injury affecting the medial elbow of the overhead athlete. However, there are many other significant sources of pathology that should be considered. This review seeks to present a broad range of conditions that providers should consider when evaluating the overhead athlete with medial elbow pain. Read More

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http://dx.doi.org/10.1007/s12178-019-09534-wDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6388576PMC
March 2019
1 Read

Magnetic Resonance Imaging Findings of the Asymptomatic Elbow Predict Injuries and Surgery in Major League Baseball Pitchers.

Orthop J Sports Med 2019 Jan 29;7(1):2325967118818413. Epub 2019 Jan 29.

Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.

Background: Repetitive pitching produces significant stress on the elbow that may result in structural abnormalities discernable on magnetic resonance imaging (MRI) without causing symptoms.

Purpose: To determine whether there exists an association between subclinical MRI findings in asymptomatic elbows of Major League Baseball (MLB) players and future placement on the disabled list (DL) or future operative procedure.

Study Design: Cohort study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/2325967118818413DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6354307PMC
January 2019
4 Reads

Ulnar Collateral Ligament Insertional Injuries in Pediatric Overhead Athletes: Are MRI Findings Predictive of Symptoms or Need for Surgery?

AJR Am J Roentgenol 2019 Apr 30;212(4):867-873. Epub 2019 Jan 30.

1 Department of Radiology, New York-Presbyterian Hospital-Columbia University Medical Center, 622 W 168th St, MC-28, New York, NY 10032.

Objective: The purpose of this study was to determine whether ulnar collateral ligament (UCL) insertion below the articular margin (so-called T sign) exists in the pediatric population and whether MRI features can be used to identify insertional UCL injuries in overhead athletes that are symptomatic or require surgery.

Materials And Methods: Retrospective review of elbow MR images of patients younger than 21 years from 2011 to 2017 yielded 26 control subjects who were not overhead athletes and 97 overhead athletes. According to the clinical diagnosis, 50 of the overhead athletes had symptoms. Read More

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http://dx.doi.org/10.2214/AJR.18.20474DOI Listing
April 2019
3 Reads

Biomechanical Comparison of Ulnar Collateral Ligament Reconstruction With a Modified Docking Technique With and Without Suture Augmentation.

Am J Sports Med 2019 Mar 28;47(4):928-932. Epub 2019 Jan 28.

West Coast Sports Institute, San Francisco, California, USA.

Background:: Throwing athletes with ulnar collateral ligament (UCL) injury and symptomatic valgus instability can expect to return to the same or higher level of play. Reconstruction with tendon graft is the dominant method of surgical treatment. Recent evidence suggests that spanning the joint with a suture anchored on both sides is biomechanically equivalent to reconstruction, with faster time to return to play. Read More

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http://dx.doi.org/10.1177/0363546518820304DOI Listing
March 2019
7 Reads

Ulnar Collateral Ligament Reconstruction of Thumb Metacarpophalangeal Joint With Adductor Pollicis Tendon Using the Wide-Awake Approach.

J Hand Surg Am 2019 Jan 23. Epub 2019 Jan 23.

Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara-shi, Kanagawa, Japan.

Injuries to the ulnar collateral ligament (UCL) of the thumb are common and require prompt attention. Diagnostic findings and treatment options differ in acute and chronic injuries of the UCL. Pain and weakness of pinch and grip occur with chronic UCL instability. Read More

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http://dx.doi.org/10.1016/j.jhsa.2018.11.012DOI Listing
January 2019
5 Reads

Recurrent Elbow Dislocation Reconstruction with Triceps Fascia Graft. Case Study.

Ortop Traumatol Rehabil 2018 Aug;20(4):327-336

Servicio de Cirugía Ortopédica y Traumatología, Hospital Virgen de los Lirios, Alcoy, Hiszpania / Department of Orthopaedics and Traumatology, Hospital Virgen de los Lirios, Alcoy, Spain.

We present an alternative method of treatment of recurrent elbow dislocation using the triceps fascia and a synthetic tape (Fibretape). The publication consists of a case study, indications for the surgery and conclusions. Read More

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http://dx.doi.org/10.5604/01.3001.0012.6466DOI Listing
August 2018
2 Reads

Major League Baseball Pitching Performance After Tommy John Surgery and the Effect of Tear Characteristics, Technique, and Graft Type.

Am J Sports Med 2019 Mar 9;47(3):713-720. Epub 2019 Jan 9.

Kerlan Jobe Orthopaedic Clinic, Los Angeles, California, USA.

Background:: Return to play and player satisfaction have been quite high after ulnar collateral ligament reconstruction (UCLR); however, there has been little reported on how outcomes are affected by surgical technique, graft type, and tear characteristics.

Purpose:: To evaluate surgical techniques, graft type, and tear characteristics on Major League Baseball (MLB) performance after UCLR.

Study Design:: Cohort study; Level of evidence, 2. Read More

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http://dx.doi.org/10.1177/0363546518817750DOI Listing
March 2019
3 Reads

Repair of the ulnar collateral ligament of the elbow with internal brace augmentation: a 5-year follow-up.

BMJ Case Rep 2018 Dec 19;11(1). Epub 2018 Dec 19.

Department of Orthopaedics, Rosshall Hospital, Glasgow, UK.

The ulnar collateral ligament (UCL) is the primary restraint to valgus angulation at the elbow. Injury to the UCL is increasingly common and can lead to instability, especially in athletes involved in overhead throwing. Conventional treatment is reconstruction using tendon autograft but performance levels are often restricted after long periods of rehabilitation. Read More

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http://dx.doi.org/10.1136/bcr-2018-227113DOI Listing
December 2018
2 Reads

Posteromedial rotatory incongruity of the elbow: a computational kinematics study.

J Shoulder Elbow Surg 2019 Feb 12;28(2):371-380. Epub 2018 Dec 12.

Department of Orthopaedic Surgery, University of Missouri-Kansas City, Kansas City, MO, USA.

Background: Our objective was to analyze the effect of different anteromedial coronoid fracture patterns with different combinations of ligamentous repairs. We hypothesized that smaller fractures would be sufficiently treated with ligamentous repair alone but that larger fragments would require a combination of ligament and bony repair versus reconstruction.

Methods: Two multibody models were created from cadaveric specimens in the ADAMS program. Read More

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http://dx.doi.org/10.1016/j.jse.2018.07.030DOI Listing
February 2019

Hamstring Injuries in Major League Baseball Pitchers: Implications in Graft Selection for Ulnar Collateral Ligament Reconstruction.

Am J Sports Med 2019 Feb 13;47(2):444-450. Epub 2018 Dec 13.

Kerlan-Jobe Orthopaedic Clinic, Los Angeles, California, USA.

Background:: Hamstring tendons are commonly harvested as autograft for ulnar collateral ligament reconstruction. There is no consensus in the literature whether the hamstring tendon should be harvested from the ipsilateral (drive) leg or contralateral (landing) leg of baseball pitchers undergoing ulnar collateral ligament reconstruction. Hamstring injuries commonly occur in baseball players, but there are no reports on their incidence specifically among Major League Baseball (MLB) pitchers, nor are there reports on whether they occur more commonly in the drive leg or the landing leg. Read More

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http://dx.doi.org/10.1177/0363546518815689DOI Listing
February 2019
6 Reads

Adolescent Pitcher Recovery from Partial Ulnar Collateral Ligament Tear after Platelet-Rich Plasma.

Curr Sports Med Rep 2018 Dec;17(12):407-409

Georgetown University School of Medicine, MedStar National Rehabilitation Network, Washington, DC.

Platelet-rich plasma (PRP), as a regenerative treatment for partial ulnar collateral ligament (UCL) tears, is validated to lead to faster clinical recovery and return to play in adult athletes. However, studies examining such a role of PRP in younger pediatric and adolescent athletes are scarce. A 14-year-old adolescent throwing athlete, a right-handed pitcher, presented with chronic right medial elbow pain discovered to be secondary to a partial UCL tear, as identified on both ultrasound and magnetic resonance imaging. Read More

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http://dx.doi.org/10.1249/JSR.0000000000000549DOI Listing
December 2018
17 Reads

The lateral collateral ligament complex of the elbow: quantitative anatomic analysis of the lateral ulnar collateral, radial collateral, and annular ligaments.

J Shoulder Elbow Surg 2019 Apr 6;28(4):665-670. Epub 2018 Dec 6.

Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA.

Background: Injury to the lateral ulnar collateral ligament (LUCL) complex of the elbow often results in posterolateral rotatory instability. Although surgical reconstruction of the LUCL is often required, gaps in our understanding of the LUCL complex remain. The purpose of this study was to provide a robust and accurate characterization of the lateral elbow ligamentous complex. Read More

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http://dx.doi.org/10.1016/j.jse.2018.09.019DOI Listing
April 2019
6 Reads

Medial elbow anatomy: A paradigm shift for UCL injury prevention and management.

Clin Anat 2019 Apr 9;32(3):379-389. Epub 2019 Jan 9.

Department of Clinical Anatomy, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University, Tokyo, Japan.

To improve the management outcomes and diagnostic accuracy of the ulnar collateral ligament (UCL) injury, the anatomy of the medial side of the elbow joint is necessary to be understood in terms of the periarticular surroundings rather than the specific ligaments. The aim of this study was to anatomically clarify the medial side of the elbow joint in terms of the tendinous structures and joint capsule. We conducted a descriptive anatomical study of 23 embalmed cadaveric elbows. Read More

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http://dx.doi.org/10.1002/ca.23322DOI Listing
April 2019
4 Reads

Outcome measures after medial ulnar collateral ligament reconstructions in a military population.

J Shoulder Elbow Surg 2019 Feb 28;28(2):317-323. Epub 2018 Nov 28.

Orthopaedic Surgery and Rehabilitation, William Beaumont Army Medical Center, El Paso, TX, USA.

Background: Medial ulnar collateral ligament (MUCL) reconstruction outcomes are well described in competitive throwers but not in nonthrowers. This investigation elucidated epidemiologic variables, functional outcomes, and prognostic factors after MUCL reconstruction in young active patients.

Methods: United States military service members undergoing MUCL reconstruction were isolated using the Management Analysis and Reporting Tool (M2) database from 2009 to 2016. Read More

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http://dx.doi.org/10.1016/j.jse.2018.07.025DOI Listing
February 2019
20 Reads

Mechanical Properties and Microstructural Collagen Alignment of the Ulnar Collateral Ligament During Dynamic Loading.

Am J Sports Med 2019 Jan 29;47(1):151-157. Epub 2018 Nov 29.

Department of Orthopaedic Surgery, Washington University, St Louis, Missouri, USA.

Background:: The ulnar collateral ligament (UCL) microstructural organization and collagen fiber realignment in response to load are unknown.

Purpose/hypothesis:: The purpose was to describe the real-time microstructural collagen changes in the anterior bundle (AB) and posterior bundle (PB) of the UCL with tensile load. It was hypothesized that the UCL AB is stronger and stiffer with more highly aligned collagen during loading when compared with the UCL PB. Read More

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http://dx.doi.org/10.1177/0363546518812416DOI Listing
January 2019
8 Reads

Traumatic Divergent Elbow Dislocation with Associated Forearm Amputation in an Adult: A Case Report.

JBJS Case Connect 2018 Oct-Dec;8(4):e92-5

Western Orthopaedics, Denver, Colorado.

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. Read More

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http://dx.doi.org/10.2106/JBJS.CC.17.00252DOI Listing
November 2018
3 Reads

Effects of Ulnar Collateral Ligament Reconstruction on Pitch Selection in Major League Baseball Pitchers.

Orthop J Sports Med 2018 Nov 20;6(11):2325967118810003. Epub 2018 Nov 20.

Summa Health System, Akron, Ohio, USA.

Background: Ulnar collateral ligament (UCL) injuries represent one of the most common impairments to the throwing arm of professional pitchers. Return to play and postoperative performance metrics have been studied extensively, but pitch selection before and after surgery has not been evaluated.

Purpose/hypothesis: This study aimed to characterize the effects of UCL reconstruction on pitch selection in Major League Baseball (MLB) pitchers. Read More

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http://dx.doi.org/10.1177/2325967118810003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247488PMC
November 2018
18 Reads

[Performance control after arthroscopic arthrolysis with capsulectomy in fresh-frozen elbow joints].

Unfallchirurg 2018 Nov 26. Epub 2018 Nov 26.

Arcus Sportklinik, Rastatter Str. 17-19, 75179, Pforzheim, Deutschland.

Background And Objective: Posttraumatic or postoperative movement restrictions in elbow joints can often occur (including capsular contracture) and can generate everyday limitations. In persistent elbow stiffness, arthroscopic arthrolysis with removal of the dorsal and ventral capsule portions can be carried out. The purpose of this study was to assess the efficacy of arthroscopic capsulectomy by means of an in vitro anatomical study. Read More

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http://dx.doi.org/10.1007/s00113-018-0584-6DOI Listing
November 2018
3 Reads

Locked Metacarpophalangeal Joint of the Little Finger in Extension Position due to the Incarceration of a Chronic Fracture Fragment: A Case Report.

J Hand Surg Asian Pac Vol 2018 Dec;23(4):601-604

1 Department of Orthopaedic Surgery and Sports Medicine, Tsukuba University Hospital Mito Clinical Education and Training Center, Mito Kyodo General Hospital, University of Tsukuba, Ibaraki, Japan.

We managed a case of locked metacarpophalangeal joint of the little finger in the extension position. Incarceration of a chronic osteochondral fracture fragment led to this unique condition. The fracture fragment partially adhered to the volar plate and ulnar collateral ligament on the joint side, which is supposed to have resulted in manually irreducible locking of the joint. Read More

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http://dx.doi.org/10.1142/S2424835518720396DOI Listing
December 2018
4 Reads

Elbow Surgery in Athletes.

Sports Med Arthrosc Rev 2018 Dec;26(4):181-184

Andrews Sports Medicine, Birmingham, AL.

Injuries and disorders of the elbow in athletes are common especially among throwing athletes. Common injuries encountered in the throwing athlete include ulnar collateral ligament injuries, ulnar neuritis, capitellar osteochondritis dissecans, valgus extension overload with posterior olecranon impingement, olecranon stress fracture, and loose bodies. A thorough knowledge of both the functional anatomy as well as throwing biomechanics are required to properly diagnosis and treat these problems. Read More

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http://dx.doi.org/10.1097/JSA.0000000000000227DOI Listing
December 2018
15 Reads

Risk factors for ulnar collateral ligament injury in professional and amateur baseball players: a systematic review with meta-analysis.

J Shoulder Elbow Surg 2019 Jan 2;28(1):186-195. Epub 2018 Nov 2.

Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL, USA.

Background: Risk factors for ulnar collateral ligament injury (UCLI) are unclear despite increasing injury rates. We sought to summarize UCLI risk factors in baseball players.

Methods: A computer-assisted search of 4 databases was performed using keywords related to UCLI risk factors. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S10582746183061
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http://dx.doi.org/10.1016/j.jse.2018.08.018DOI Listing
January 2019
20 Reads

Use of Mother-Child Screws in the Treatment of Coronoid Fractures in Terrible Triad Injury of the Elbow.

Acta Chir Orthop Traumatol Cech 2018 ;85(2):102-108

Department of Orthopaedic Surgery, The Affiliated Wujin Hospital of Jiangsu University, Changzhou, China.

PURPOSE OF THE STUDY This study aims to analyze the clinical and radiographic outcomes of a consecutive series of 18 patients with terrible triad injury. The coronoid fractures of these patients were repaired using Mother-Child screw (MCS). MATERIAL AND METHODS Twelve men and six women (mean age: 47. Read More

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January 2019
10 Reads

Return to Play and In-Game Performance Statistics Among Pitchers After Ulnar Collateral Ligament Reconstruction of the Elbow: A Systematic Review.

Am J Sports Med 2018 Oct 5:363546518798768. Epub 2018 Oct 5.

Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada.

Background: Injury to the ulnar collateral ligament of the elbow is relatively common among baseball pitchers. Ulnar collateral ligament reconstruction (UCLR) has revolutionized the management of this injury, allowing a greater proportion of pitchers to return to play.

Purpose: To assess the return to play and in-game performance specific to baseball pitchers who have undergone primary UCLR. Read More

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http://journals.sagepub.com/doi/10.1177/0363546518798768
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http://dx.doi.org/10.1177/0363546518798768DOI Listing
October 2018
5 Reads

Athletic Hip Injuries in Major League Baseball Pitchers Associated With Ulnar Collateral Ligament Tears.

Orthop J Sports Med 2018 Oct 1;6(10):2325967118800704. Epub 2018 Oct 1.

Department of Orthopedic Surgery, New York-Presbyterian/Columbia University Medical Center, New York, New York, USA.

Background: Ulnar collateral ligament (UCL) reconstruction is a reliable treatment for elite overhand throwers with UCL tears. In recent years, this procedure has become increasingly common among Major League Baseball (MLB) pitchers. Predisposing factors and associated comorbidities, however, have not been fully elucidated. Read More

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http://journals.sagepub.com/doi/10.1177/2325967118800704
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http://dx.doi.org/10.1177/2325967118800704DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6168728PMC
October 2018
10 Reads

Effect of Increased Scapular Internal Rotation on Glenohumeral External Rotation and Elbow Valgus Load in the Late Cocking Phase of Throwing Motion.

Am J Sports Med 2018 Nov 28;46(13):3182-3188. Epub 2018 Sep 28.

Orthopaedic Biomechanics Laboratory, Tibor Rubin VA Medical Center, Long Beach, California, USA.

Background:: Scapular dyskinesis among throwers is thought to affect kinetic chain function and increase the load demands on the shoulder and/or elbow. However, the biomechanical relationship between scapular orientation and elbow valgus load, which is associated with ulnar collateral ligament (UCL) injury, has not been determined.

Purpose:: To evaluate the effect of increased scapular internal rotation (IR) and glenohumeral external rotation (GHER) on elbow valgus load in a static simulation of the late cocking phase of throwing. Read More

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http://dx.doi.org/10.1177/0363546518800267DOI Listing
November 2018
15 Reads

Platelet-Rich Plasma for Elbow Pathologies: a Descriptive Review of Current Literature.

Curr Rev Musculoskelet Med 2018 Dec;11(4):598-606

Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, UniversitàdegliStudi di Milano, Via Mangiagalli 31, 20133, Milan, Italy.

Purpose Of Review: Platelet-rich plasma is used in many orthopedic pathologies such as tendinopathies and ligament injuries. The clinical results reported in the scientific literature are, however, confusing. The aim of this manuscript is to provide a narrative literature review regarding the role of PRP in the most common elbow soft tissue pathologies. Read More

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http://dx.doi.org/10.1007/s12178-018-9520-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6220004PMC
December 2018
26 Reads

Chronic Medial Epicondyle Avulsion: Technique of Fragment Excision and Ligament Reconstruction With Internal Brace Augmentation.

J Am Acad Orthop Surg 2019 Jan;27(2):e64-e69

From the Kaiser Permanente Southern California (Dr. Mirzayan), Baldwin Park, CA, and the University of Southern California Keck School of Medicine (Dr. Cooper), Los Angeles, CA.

Medial epicondyle fracture nonunions of the elbow may lead to symptomatic instability in the high-demand or overhead athlete. These injuries are challenging to treat surgically because of the small residual bony fragment, the scarred and shortened chronically injured ulnar collateral ligament (UCL), which prevents it from being mobilized and reduced to its native position. To date, most described methods aim at reducing the displaced fragment and achieving union with the humerus. Read More

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http://dx.doi.org/10.5435/JAAOS-D-17-00446DOI Listing
January 2019
1 Read

Open Treatment of Radial Head Fractures.

JBJS Essent Surg Tech 2017 Dec 13;7(4):e35. Epub 2017 Dec 13.

Mayo Clinic, Rochester, Minnesota.

Radial head fractures may commonly be treated by (1) open reduction and internal fixation (ORIF), (2) radial head excision, or (3) radial head replacement. If there is no associated elbow instability with lateral ulnar collateral ligament (LUCL) injury, the preferred approach is via a split in the extensor digitorum communis (EDC) origin. This provides a wide exposure but limits the risk of injury to the LUCL and associated instability. Read More

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http://dx.doi.org/10.2106/JBJS.ST.15.00073DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6132991PMC
December 2017
6 Reads

Ulnar collateral ligament injuries of the elbow in female division I collegiate gymnasts: a report of five cases.

Open Access J Sports Med 2018 7;9:183-189. Epub 2018 Sep 7.

University of Florida, Gainesville, FL, USA,

Introduction: Elbow ulnar collateral ligament (UCL) injuries in gymnastics have not been well documented in the literature, in comparison to UCL injuries in baseball. Few studies have examined the mechanism and nonoperative management of this injury, and no studies to date have been published on incidence of injury and return to play recommendations in gymnastics.

Patient Case Review: A literature search was performed using PubMed to review articles from 1980 to 2016 that addressed the biomechanics of UCL injury in baseball and gymnastics, the anatomy of the elbow, injury rates, surgical vs non-surgical management, rehabilitation, and return to play recommendations for the sport of gymnastics. Read More

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http://dx.doi.org/10.2147/OAJSM.S159624DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6135216PMC
September 2018
5 Reads

Return to Play After PRP and Rehabilitation of 3 Elite Ice Hockey Players With Ulnar Collateral Ligament Injuries of the Elbow.

Orthop J Sports Med 2018 Aug 17;6(8):2325967118790760. Epub 2018 Aug 17.

Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.

Background: Ulnar collateral ligament (UCL) injury is a well-described etiology of pain and decreased performance for the overhead athlete. Despite a growing volume of literature regarding the treatment of these injuries for overhead athletes, there is a paucity of such data regarding stickhandling collision sport athletes, such as ice hockey players.

Purpose/hypothesis: The purpose of this study was to characterize this injury among 3 elite ice hockey players and to describe the ability of these athletes to return to play, as well as to review the unique sport-specific implications of this injury, evaluation, nonsurgical management, and considerations for return to play. Read More

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http://dx.doi.org/10.1177/2325967118790760DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6100131PMC
August 2018
9 Reads

Kerlan-Jobe Orthopaedic Clinic (KJOC) score and scapular dyskinesis test in collegiate baseball players.

J Shoulder Elbow Surg 2018 Oct 20;27(10):1830-1836. Epub 2018 Aug 20.

Faculty of Sport Sciences, Waseda University, Tokyo, Japan.

Background: The Kerlan-Jobe Orthopaedic Clinic (KJOC) score has been used to describe various parameters of throwing shoulder and elbow function for the return to play after a long period of rehabilitation, such as after ulnar collateral ligament reconstruction. No study has yet to identify how scapular dyskinesis (SD) in baseball players affects the KJOC score. This study investigated the relationship of the KJOC score to SD evaluated in collegiate baseball players with and without upper extremity injury. Read More

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http://dx.doi.org/10.1016/j.jse.2018.06.033DOI Listing
October 2018
12 Reads

Using Stress Ultrasonography to Understand the Risk of UCL Injury Among Professional Baseball Pitchers Based on Ligament Morphology and Dynamic Abnormalities.

Orthop J Sports Med 2018 Aug 9;6(8):2325967118788847. Epub 2018 Aug 9.

UCHealth, Steadman Hawkins Clinic-Denver, Greenwood Village, Colorado, USA.

Background: Ulnar collateral ligament (UCL) injury of the elbow is a common and debilitating problem seen frequently among elite baseball pitchers. Ultrasound is a useful diagnostic tool in evaluating UCL injuries.

Hypothesis: Evaluation with stress ultrasound of the elbow to measure the morphology of the UCL and the ulnohumeral joint space gapping is indicative of higher risk of UCL injury among professional baseball pitchers. Read More

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http://dx.doi.org/10.1177/2325967118788847DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6088493PMC
August 2018
5 Reads

Monteggia fracture with unreducable anterior dislocation of the radial head and a lesion of the external collateral ligament of the elbow.

Pan Afr Med J 2018 18;29:216. Epub 2018 Apr 18.

Department of Orthopaedic Surgery, University Hospital, Monastir 5000, Tunisia.

Monteggia described a fracture of the proximal third of the ulna with anterior dislocation of the radial head from both the proximal radioulnar and radiocapitellar joints. The key treatment principle in Monteggia fractures is stable anatomic alignment of the ulna. We present an uncommon case of a Monteggia fracture-dislocation with an unreducable anterior dislocation of the radial head and associated with a lesion of the lateral collateral ligament of the elbow. Read More

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http://dx.doi.org/10.11604/pamj.2018.29.216.12996DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6080978PMC
August 2018
8 Reads

Biomechanical analysis of elbow medial ulnar collateral ligament tear location and its effect on rotational stability.

J Shoulder Elbow Surg 2018 Nov 31;27(11):2068-2076. Epub 2018 Jul 31.

Cleveland Clinic Sports Health, Garfield Heights, OH, USA. Electronic address:

Background: Recent anatomic and clinical studies have shown that the location of the injury to the elbow ulnar collateral ligament (UCL) is an important variable in deciding on surgical intervention; however, no studies have evaluated these findings biomechanically.

Methods: This study tested 16 intact elbow specimens. Valgus torques of 2. Read More

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http://dx.doi.org/10.1016/j.jse.2018.05.020DOI Listing
November 2018
4 Reads