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Radioulnar distal joint

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https://www.readbyqxmd.com/read/28809637/-comparison-of-short-therm-results-of-conservative-versus-operative-treatment-of-distal-ulna-fractures-associated-with-distal-radius-fracture-treated-by-plate-osteosynthesis
#1
P Meluzinová, L Kopp, P Dráč, K Edelmann, P Obruba
PURPOSE OF THE STUDY The study aims to evaluate and compare the results of conservative and operative treatment of individual types of distal ulna fractures associated with distal radius fracture treated by plate osteosynthesis and to verify the conclusions of the other authors regarding the recommended therapeutic procedures in these fractures. MATERIAL AND METHODS In the period from 08/2013 to 09/2015, a total of 81 patients participated in the prospective randomised study, with the mean follow-up period of 24 months (6-36)...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28751170/rehabilitation-of-distal-radioulnar-joint-instability
#2
G Mesplié, V Grelet, O Léger, S Lemoine, D Ricarrère, C Geoffroy
Distal radioulnar joint (DRUJ) instabilities are common and often combined with other injuries of the interosseous membrane and/or the proximal radioulnar joint. Once they are diagnosed and the treatment is chosen, physiotherapists have limited choices due to the lack of validated protocols. The benefits of proprioception and neuromuscular rehabilitation have been brought to light for the shoulder, knee and ankle joints, among others. However, no program has been described for the DRUJ. The purpose of this article is to study the muscular elements responsible for active DRUJ stability, and to propose a proprioceptive rehabilitation program suited to this condition...
July 24, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28718329/assessment-of-forearm-rotational-control-using-4-upper-extremity-immobilization-constructs
#3
Ayesha M Rahman, Nicole Montero-Lopez, Richard M Hinds, Michael Gottschalk, Eitan Melamed, John T Capo
BACKGROUND: Forearm immobilization techniques are commonly used to manage distal radius, scaphoid, and metacarpal fractures. The purpose of our study was to compare the degree of rotational immobilization provided by a sugar-tong splint (STS), short arm cast (SAC), Munster cast (MC), and long arm cast (LAC) at the level of the distal radioulnar joint (DRUJ), carpus, and metacarpals. METHODS: Seven cadaveric upper extremity specimens were mounted to a custom jig with the ulnohumeral joint fixated in 90° of flexion...
February 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28718315/ulnar-styloid-base-fractures-cause-distal-radioulnar-joint-instability-in-a-cadaveric-model
#4
Tyler S Pidgeon, Joseph J Crisco, Gregory R Waryasz, Douglas C Moore, Manuel F DaSilva
BACKGROUND: The deep portion of the distal radioulnar ligaments (DRUL) inserts on the ulnar fovea and is the most important stabilizer of the distal radioulnar joint (DRUJ). Ulnar styloid base fractures that include the ulnar fovea may cause DRUJ instability. METHODS: DRUJ stability in pronosupination was evaluated in 12 fresh-frozen upper extremities (4 female) aged 52 to 68 years (mean: 58.8 years) using a custom fixture, which allowed free rotation of the radius around the fixed ulna...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28709834/radiological-degenerative-changes-in-the-distal-radioulnar-joint-after-ulnar-shortening-osteotomy-in-patients-with-idiopathic-ulnar-impaction-syndrome-analysis-of-factors-affecting-degenerative-lesions
#5
Soo Min Cha, Byong San Choi, Hyun Dae Shin
PURPOSE: To identify factors influencing overall radiologic changes in the distal radioulnar joint after ulnar shortening osteotomy (USO) in patients with idiopathic ulnar impaction syndrome. MATERIALS AND METHODS: A total of 310 patients who had undergone USO between May 2007 and December 2013 were included in this retrospective case-control study. The patients were classified into two groups (with or without radiologic findings of new arthritic changes), after which the following factors were analyzed: 1) demographic factors; 2) radiologic aspects, including ulnar variance (UV), morphological DRUJ type (classified according to Tolat et al...
July 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28708756/anatomic-reconstruction-of-distal-radioulnar-ligaments-with-tendon-graft-for-treating-distal-radioulnar-joint-instability-surgical-technique-and-outcome
#6
Daniela Meyer, Andreas Schweizer, Ladislav Nagy
Among the various reasons for chronic posttraumatic ulnar-sided wrist pain, instability of the distal radioulnar joint (DRUJ) has recently received major attention and finally achieved fundamental progress in understanding thanks to anatomic and biomechanical studies. This has resulted in more physiological and successful treatment methods compared with the historic options. One and the most dramatic surgical technique consists in the replacement of the main ligamentous stabilizer of the DRUJ, the so-called triangular fibrocartilage, with a tendon graft...
July 13, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28673629/treatment-of-intra-articular-distal-radius-fractures
#7
REVIEW
Shohei Omokawa, Yukio Abe, Junya Imatani, Hisao Moritomo, Daisuke Suzuki, Tadanobu Onishi
This review of current literature discusses the morphology of the volar aspect of the distal radius; the surgical procedure, arthroscopic findings, and clinical results of a plate presetting and arthroscopic reduction technique for acute intra-articular fractures; and a novel simulation guidance system for malunited intra-articular fractures. Classification of intra-articular distal radius fractures is also discussed, focusing on central depression fracture fragments, associated soft tissue injuries, and results for measuring scapholunate distances at different sites...
August 2017: Hand Clinics
https://www.readbyqxmd.com/read/28632594/outcome-of-early-and-late-diagnosed-essex-lopresti-injury
#8
Marc Schnetzke, Felix Porschke, Karin Hoppe, Stefan Studier-Fischer, Paul-Alfred Gruetzner, Thorsten Guehring
BACKGROUND: The aim of this study was to investigate the outcomes in a large series of Essex-Lopresti injuries (ELIs) and to compare patients with early and late diagnoses. METHODS: Thirty-one patients with an ELI (average age and standard deviation [SD], 46 ± 10 years) who were followed for a minimum of 2 years were included in the study. Patients were grouped according to whether the ELI had been diagnosed early (on the day of the injury) or late (>4 weeks after the radial head injury)...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28628157/-biomechanical-analysis-of-the-deep-radioulnar-ligaments-stabilizing-the-distal-radioulnar-joint
#9
(no author information available yet)
OBJECTIVE: To evaluate the role of the deep radioulnar ligament in the stability of the distal radioulnar joint (DRUJ). METHODS: In the study, 14 fresh cadaver upper extremities were randomly divided into two groups. After exposuring the palmar and dorsal deep distal radioulnar ligament, one group was marked as palmar deep radioulnar ligament, and the other group was marked as dorsal deep radioulnar ligament. The pronator teres and the supinator were exposed. A Kirschner wire perpendicular to the bone on Lister tubercle of radius was inserted, then another Kirschner wire on the same level of ulnar inserted when the forearm was in neural position, which was kept parallel to the first Kirschner wire...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28608274/recurrent-atraumatic-acute-carpal-tunnel-syndrome-due-to-hematoma-caused-by-distal-radioulnar-joint-arthritis-during-anticoagulant-treatment-with-apixaban
#10
Shingo Komura, Akihiro Hirakawa, Takahiro Masuda, Yoshiki Ito, Haruhiko Akiyama
Atraumatic acute carpal tunnel syndrome is a rare type of median nerve neuropathy caused by etiologies that increase compartment pressure in the carpal tunnel. This report describes a patient with flexor tendon abrasion as an unusual complication of distal radioulnar joint arthritis. This abrasion caused a hematoma to form in the carpal tunnel during anticoagulant treatment with apixaban, resulting in recurrent acute carpal tunnel syndrome.
June 12, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28602125/modification-of-the-use-of-the-extensor-retinaculum-for-reducible-distal-radioulnar-joint-instability-technique-and-results
#11
A Filius, J M Zuidam, J B Jaquet, H P Slijper, J H Coert
Different surgical techniques have been described for chronic distal radioulnar joint instability: they are often complicated, quite invasive and may not be recommended for bidirectional instability. We describe a procedure using a radial-based extensor retinaculum strip and a capsular plication. This is a simple technique and less invasive than 'anatomic' radioulnar ligament reconstructions. We report the results of 38 patients (38 wrists) who we treated. After a minimum of 8 months we quantified the outcomes of the patients objectively by assessing ranges of motion, grip strength and clinical assessment of stability, and subjectively using questionnaires...
June 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28567152/a-complicated-course-of-a-coronal-shear-fracture-type-iv-of-the-distal-part-of-humerus-resulting-in-resurfacing-radiocapitellar-joint-replacement
#12
Ingo Schmidt
BACKGROUND: Coronal shear fracture type IV of the distal part of humerus is a very rare injury with articular complexity potentially leading to posttraumatic osteoarthritis. One option for surgical treatment of advanced unicompartmental radiocapitellar osteoarthritis is resurfacing radiocapitellar joint replacement. METHOD: A 62-year- old female sustained a coronal shear fracture type IV of the distal part of left humerus that was primarily treated with open reduction and internal fixation using headless compression screws...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28549397/assessment-of-distal-radioulnar-joint-stability-after-reconstruction-with-the-brachioradialis-wrap
#13
Charity S Burke, Keith A Zoeller, Seid W Waddell, John A Nyland, Michael J Voor, Amitava Gupta
BACKGROUND: The brachioradialis (BR) wrap technique is an option to restore the stability of the distal radioulnar joint (DRUJ). The technique capitalizes on the BR's advantageous insertion point on the radial styloid and the ability of the BR to be harvested with minimal to no deficit. The tendon can then be wrapped around the radius and ulna, tunneling under the pronator quadratus and extensor compartments and secured back into its insertion to provide stability. In this cadaveric study, we used micro-computed tomography (CT) to assess the stability restored by this procedure...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28526422/temporary-ipsilateral-stiff-shoulder-after-operative-fixation-of-distal-radial-fractures
#14
Soo Min Cha, Hyun Dae Shin, Sung Jin Hwang
BACKGROUND: This study was conducted to identify variables affecting the development of temporary stiff shoulder after operative fixation for distal radial fractures (DRF). MATERIALS AND METHODS: The study retrospectively analyzed 167 patients who had undergone internal fixation using volar locking plate for DRF between 2010 and 2013. Group 1 was denoted as the "normal group," and group 2 was denoted as the "stiff shoulder group." Basic demographic factors evaluated included age, sex, bone mineral density (BMD), and the dominancy...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28511611/arthroscopic-assisted-resection-of-triangular-fibrocartilage-complex-lesions-a-19-year-follow-up
#15
Endre Soreide, Jan-Ragnar Haugstvedt, Torstein Husby
BACKGROUND: This study assesses long-term functional and subjective outcomes following arthroscopic assisted resection of lesions of the triangular fibrocartilage complex (TFCC). METHODS: Functional and subjective outcomes were assessed based on review of patient charts for patient demographic characteristics, comprehensive clinical evaluation, obtained radiographs, and patient-reported questionnaires. RESULTS: Fifteen patients, of whom 9 were female, and 10 dominant wrists, were included in this study...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28507853/ulnar-head-reconstruction-with-microvascular-second-metatarsal
#16
Pedro C Cavadas, Alessandro Thione
BACKGROUND: The distal radioulnar joint along with the interosseous ligament of the forearm and the proximal radioulnar joint, form a functionally integrated system responsible for the pronation-supination of the hand. The distal ulna, the so-called ulnar head, is an integral part of this system. Apart from its well-known role in forearm rotation, the ulnar head is essential in transverse load transmission through the distal radioulnar joint upon resisted elbow flexion. Autologous reconstruction of ulnar head would theoretically be beneficial with respect to prostheses...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28450099/topographical-anatomy-of-the-distal-ulna-attachment-of-the-radioulnar-ligament
#17
Won-Jeong Shin, Jong-Pil Kim, Hun-Mu Yang, Eun-Young Lee, Jai-Hyang Go, Kang Heo
PURPOSE: The deep component of the distal radioulnar ligament provides translational stability and rotational guidance to the forearm. However, controversy exists regarding the importance of this structure as well as the nature of its attachment to the distal ulna. We aimed to evaluate the topographic anatomy of the distal ulna attachment of both the superficial and the deep components of the radioulnar ligament and to assess the relationship between its internal and its external morphometry...
April 25, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28428910/role-of-the-interosseous-membrane-in-preventing-distal-radioulnar-gapping
#18
Frederick W Werner, Matthew R LeVasseur, Brian J Harley, Ashley Anderson
Background Damage to the interosseous membrane (IOM) can alter load transmission between the radius and ulna and decrease their axial stability. Less is known about the effect of IOM sectioning on the transverse stability between the radius and ulna. Purpose The purpose of this study was to quantify the radioulnar gapping at the distal radioulnar joint (DRUJ) during forearm rotation when the IOM was experimentally sectioned while maintaining the integrity of the distal radioulnar ligaments. Methods In 12 fresh-frozen cadaver forearms tested in a combined wrist-forearm simulator, the increase in gap between the radius and ulna, at the level of the DRUJ, was determined during cyclic forearm rotation following IOM sectioning...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28428909/a-biomechanical-perspective-on-distal-radioulnar-joint-instability
#19
Shohei Omokawa, Akio Iida, Kenji Kawamura, Yasuaki Nakanishi, Takamasa Shimizu, Tsutomu Kira, Tadanobu Onishi, Naoki Hayami, Yasuhito Tanaka
Background The purpose of this article was to review the anatomy, kinematics of the distal radioulnar joint (DRUJ), and to discuss definition, classification, and diagnosis of DRUJ instability. Methods A biomechanical perspective on physical examination of DRUJ ballottement test was documented. Physiological dynamic DRUJ translation and differences of the translation following sequential ligament sectioning and changes in different forearm and wrist positions were demonstrated. The clinical significance of each ligament's contribution to joint stability in specific wrist positions was addressed...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28419031/prognostic-factors-affecting-union-after-ulnar-shortening-osteotomy-in-ulnar-impaction-syndrome-a-retrospective-case-control-study
#20
Soo Min Cha, Hyun Dae Shin, Ki Jun Ahn
BACKGROUND: Ulnar shortening osteotomy (USO) is a widely adopted procedure with excellent outcomes. However, delayed union or nonunion has occasionally been observed. The purpose of this retrospective case-control study was to identify variables affecting osseous consolidation after USO in patients with ulnar impaction syndrome. METHODS: The study included 325 patients who had undergone USO between March 2008 and March 2014. We evaluated the association between union and basic demographic factors as well as preoperative pain (assessed on a visual analog scale [VAS]), range of wrist motion, grip strength, and modified Mayo wrist score...
April 19, 2017: Journal of Bone and Joint Surgery. American Volume
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