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https://www.readbyqxmd.com/read/28734534/elbow-vascularized-composite-allotransplantation-surgical-anatomy-and-technique
#1
Zvi Steinberger, Heng Xu, Nikolas H Kazmers, Stephanie Thibaudeau, Russel G Huffman, L Scott Levin
BACKGROUND: Elbow reconstruction with vascularized composite allotransplantation (VCA) may hold promise in treating end-stage arthritis as no current treatment is both functional and durable. We describe the vascular and gross anatomy of the elbow in the context of VCA procurement and propose a step-by-step surgical technique for human elbow VCA. METHODS: We injected latex in the arterial tree of 16 fresh adult cadaveric upper extremities. We identified and measured arteries and nerves and their branch points relative to the medial epicondyle...
August 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28723837/minimum-effective-volume-of-lidocaine-for-ultrasound-guided-costoclavicular-block
#2
Thitipan Sotthisopha, Maria Francisca Elgueta, Artid Samerchua, Prangmalee Leurcharusmee, Worakamol Tiyaprasertkul, Aida Gordon, Roderick J Finlayson, De Q Tran
BACKGROUND AND OBJECTIVES: This dose-finding study aimed to determine the minimum effective volume in 90% of patients (MEV90) of lidocaine 1.5% with epinephrine 5 μg/mL for ultrasound-guided costoclavicular block. METHODS: Using an in-plane technique and a lateral-to-medial direction, the block needle was positioned in the middle of the 3 cords of the brachial plexus in the costoclavicular space. The entire volume of lidocaine was deposited in this location. Dose assignment was carried out using a biased-coin-design up-and-down sequential method, where the total volume of local anesthetic administered to each patient depended on the response of the previous one...
July 19, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28689821/role-of-the-lateral-collateral-ligament-in-posteromedial-rotatory-instability-of-the-elbow
#3
Enrico Bellato, Youngbok Kim, James S Fitzsimmons, Alexander W Hooke, Lawrence J Berglund, Daniel R Bachman, Shawn W O'Driscoll
BACKGROUND: Posteromedial rotatory instability (PMRI) of the elbow consists of an anteromedial coronoid fracture with lateral collateral ligament (LCL) and posterior bundle of the medial collateral ligament (PMCL) tears. We hypothesized that the LCL tear is required for elbow subluxation/joint incongruity and that an elbow affected by an anteromedial subtype 2 coronoid fracture and a PMCL tear exhibits contact pressures different from both an intact elbow and an elbow affected by PMRI...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28687096/surgical-management-of-osteochondrosis-in-foals
#4
REVIEW
Kyla F Ortved
Osteochondrosis is common in young, athletic horses. Some lesions respond to conservative therapy. Surgical management is the mainstay of treatment. Arthroscopic debridement is useful in the femoropatellar joint, tarsocrural joint, fetlock joint, and shoulder joint. Debridement is associated with good outcomes, except in the shoulder joint. Osteochondrosis lesions in the elbow may be difficult to access arthroscopically, thereby transosseous debridement. Surgical management of subchondral cystic lesions of the medial femoral condyle consists of debridement, debridement with grafting, transcondylar screws, and intralesional corticosteroid injection...
August 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28680895/visualization-of-the-capitellum-during-elbow-arthroscopy-a-comparison-of-3-portal-techniques
#5
David P Trofa, Stephanie M Gancarczyk, Joseph M Lombardi, Eric C Makhni, Charles A Popkin, Christopher S Ahmad
BACKGROUND: Capitellar osteochondritis dissecans (OCD) is a debilitating condition of unknown etiology for which various arthroscopic treatments are available. Prior data suggest that greater than 75% of the capitellum can be visualized arthroscopically through a dual lateral portal approach. However, there is no literature assessing arthroscopic visualization of the capitellum via alternative portals. PURPOSE: To determine the percentage of capitellum visualized using the dual lateral, distal ulnar and soft spot, and posterolateral and soft spot portal configurations in a cadaver model...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28645832/the-relation-between-elbow-range-of-motion-and-patient-satisfaction-after-open-release-of-stiff-elbow
#6
Hakan Gundes, Özgür Selek, Umit Gok, Bora Gumuslu, Levent Buluc
OBJECTIVE: The aim of this retrospective study was to find out whether a cut off value existed for elbow flexion and extension after open surgical release of elbow contracture that would correlate with subjective patient satisfaction. METHODS: The study enrolled 77 patients (53 males and 24 females with a mean age of 35.1 (18-77) years at the time of operation) with elbow contracture who attended regular follow-up appointments for more than 12 months. The mean follow up period was 44...
June 20, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28634742/outcomes-of-coronoid-first-repair-in-terrible-triad-injuries-of-the-elbow
#7
Junren Zhang, Mark Tan, Ernest Beng Kee Kwek
BACKGROUND: Clinical outcomes of terrible triad injuries (TTIs) of the elbow are historically poor. To date, it is still debatable whether the coronoid needs to be fixed and if so, how and in which sequence. METHODOLOGY: Between 2010 and 2013, 13 patients were treated surgically for acute TTIs of the elbow at a Tertiary Level 1 Trauma Centre by a single surgeon, using a standardized protocol, which included coronoid-brachialis complex fixation via pull-through trans-osseous sutures, radial head fixation or prosthetic replacement and a repair of the lateral ulnar collateral ligament...
June 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28611612/spasticity-measurement-based-on-tonic-stretch-reflex-threshold-in-children-with-cerebral-palsy-using-the-pedianklebot
#8
Marco Germanotta, Juri Taborri, Stefano Rossi, Flaminia Frascarelli, Eduardo Palermo, Paolo Cappa, Enrico Castelli, Maurizio Petrarca
Nowadays, objective measures are becoming prominent in spasticity assessment, to overcome limitations of clinical scales. Among others, Tonic Stretch Reflex Threshold (TSRT) showed promising results. Previous studies demonstrated the validity and reliability of TSRT in spasticity assessment at elbow and ankle joints in adults. Purposes of the present study were to assess: (i) the feasibility of measuring TSRT to evaluate spasticity at the ankle joint in children with Cerebral Palsy (CP), and (ii) the correlation between objective measures and clinical scores...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28607764/chronic-medial-instability-of-the-elbow
#9
REVIEW
Felix H Savoie, Michael O'Brien
Damage to the medial collateral ligament of the elbow from an instability episode usually heals with non-operative treatment. In some cases, residual instability may occur, leading to functional impairment.Non-operative management can be successful when bracing, taping and therapy are used to stabilise the elbow.A recent report detailing the efficacy of platelet-rich plasma in effectively treating ulnar collateral ligament (UCL) injuries in throwers has shown promise. However, there remain specific groups that should be considered for repair or reconstruction...
January 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28594491/cubital-tunnel-syndrome
#10
Claudius D Jarrett, Loukia K Papatheodorou, Dean G Sotereanos
Cubital tunnel syndrome is the most common cause of symptomatic ulnar neuropathy. The unique anatomic course of the ulnar nerve around the elbow makes it particularly vulnerable at a location far from its terminal destination. The natural progression of cubital tunnel syndrome allows patients who have mild symptoms to be adequately treated nonsurgically. Minor changes in activity combined with appropriate splinting may acceptably alleviate symptoms. Surgical intervention is recommended for patients who have more severe symptoms...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28589162/age-specific-prevalence-and-clinical-characteristics-of-humeral-medial-epicondyle-apophysitis-and-osteochondritis-dissecans-ultrasonographic-assessment-of-4249-players
#11
Kenichi Otoshi, Shinichi Kikuchi, Kinshi Kato, Ryohei Sato, Takahiro Igari, Takahiro Kaga, Shinichi Konno
BACKGROUND: Traction apophysitis of medial epicondyle (MEC) lesions and osteochondritis dissecans (OCD) of the capitellum are common elbow injuries in adolescent baseball players. However, the age-specific prevalence of these pathologies and their influence on elbow pain remain unknown. PURPOSE: To investigate the age-specific prevalence of each MEC lesion and capitellar OCD and to identify the incidence of elbow pain in each condition. STUDY DESIGN: Descriptive epidemiology study...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28581816/serial-changes-in-3-dimensional-supraspinatus-muscle-volume-after-rotator-cuff-repair
#12
Seok Won Chung, Kyung-Soo Oh, Sung Gyu Moon, Na Ra Kim, Ji Whan Lee, Eungjune Shim, Sehyung Park, Youngjun Kim
BACKGROUND: There is considerable debate on the recovery of rotator cuff muscle atrophy after rotator cuff repair. PURPOSE: To evaluate the serial changes in supraspinatus muscle volume after rotator cuff repair by using semiautomatic segmentation software and to determine the relationship with functional outcomes. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Seventy-four patients (mean age, 62.8 ± 8.8 years) who underwent arthroscopic rotator cuff repair and obtained 3 consecutive (preoperatively, immediately postoperatively, and later postoperatively [≥1 year postoperatively]) magnetic resonance imaging (MRI) scans having complete Y-views were included...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28575638/elbow-injuries-in-professional-baseball-epidemiological-findings-from-the-major-league-baseball-injury-surveillance-system
#13
Michael G Ciccotti, Keisha M Pollack, Michael C Ciccotti, John D'Angelo, Christopher S Ahmad, David Altchek, James Andrews, Frank C Curriero
BACKGROUND: Elbow injuries cause significant disability for the throwing athlete. Scant data are available on the distribution and characteristics of these injuries in elite baseball players. No study exists that focuses solely on the epidemiological characteristics of elbow injuries in professional baseball players using a comprehensive injury surveillance system. HYPOTHESIS: Professional baseball players have a high occurrence of elbow injuries influenced by factors including length of time playing, time period within the annual baseball season, and specific position played...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28567429/are-the-current-little-league-pitching-guidelines-adequate-a-single-season-prospective-mri-study
#14
Andrew V Pytiak, Phillip Stearns, Tracey P Bastrom, Jerry Dwek, Peter Kruk, Joanna H Roocroft, Andrew T Pennock
BACKGROUND: Little League throwing guidelines have recently been implemented in an attempt to lessen the growing number of elbow injuries occurring in youth baseball players. HYPOTHESIS/PURPOSE: The purpose of this study was to examine pre- and postseason changes seen on magnetic resonance imaging (MRI) in youth baseball players' elbows in an attempt to identify risk factors for pain and MRI abnormalities, with a particular focus on the current Little League guidelines...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28555250/ultrasound-biomechanical-anatomy-of-the-soft-structures-in-relation-to-the-ulnar-nerve-in-the-cubital-tunnel-of-the-elbow
#15
Paul Michelin, Grégoire Leleup, Mourad Ould-Slimane, Marie Caroline Merlet, Benjamin Dubourg, Fabrice Duparc
BACKGROUND: Chronic ulnar nerve entrapment worsened by elbow flexion is the most common injury, but rare painful conditions may also be related to ulnar nerve instability. The posterior bundle of the medial collateral ligament (pMCL) and the retinaculum, respectively form a soft floor and a ceiling for the cubital tunnel. The aim of our study was to dynamically assess these soft structures of the cubital tunnel focusing on those involved in the biomechanics of the ulnar nerve. METHODS: Forty healthy volunteers had a bilateral ultrasonography of the cubital tunnel...
May 29, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28532867/ultrasound-study-of-elbow-ulnar-collateral-ligament-changes-in-collegiate-baseball-players-a-pilot-study
#16
Johnathan Erb, Heather Sherman, Sydney Williard, Julien Bui, Aimie Kachingwe
OBJECTIVE: To assess changes in elbow ulnar collateral ligament length in college baseball pitchers over the course of a single season. DESIGN: Cohort Feasibility Study. METHODS: Diagnostic ultrasound was used to assess both the dominant and non-dominant medial elbow joint space in four pitchers and five fielders and compared to in-game pitching data. Shoulder, elbow, wrist, hip, knee, and ankle range of motion measurements were also taken...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28527225/clinical-feasibility-of-gait-training-with-a%C3%A2-robotic-exoskeleton-wpal-in-an-individual-with-both-incomplete-cervical-and-complete-thoracic-spinal-cord-injury-a%C3%A2-case-study
#17
Shigeo Tanabe, Soichiro Koyama, Eiichi Saitoh, Satoshi Hirano, Kanan Yatsuya, Tetsuya Tsunoda, Masaki Katoh, Takeshi Gotoh, Ayako Furumoto
BACKGROUND: Patients with tetraplegia can achieve independent gait with lateral-type powered exoskeletons; it is unclear whether medial-type powered exoskeletons allow for this. OBJECTIVE: To investigate gait training with a medial-type powered exoskeleton wearable power-assist locomotor (WPAL) in an individual with incomplete cervical (C5) and complete thoracic (T12) spinal cord injury (SCI). METHODS: The 60-session program was investigated retrospectively using medical records...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28503939/clarification-of-eponymous-anatomical-terminology-structures-named-after-dr-geoffrey-v-osborne-that-compress-the-ulnar-nerve-at-the-elbow
#18
Arvin R Wali, Brandon Gabel, Madhawi Mitwalli, R Shane Tubbs, Justin M Brown
BACKGROUND: In 1957, Dr Geoffrey Osborne described a structure between the medial epicondyle and the olecranon that placed excessive pressure on the ulnar nerve. Three terms associated with such structures have emerged: Osborne's band, Osborne's ligament, and Osborne's fascia. As anatomical language moves away from eponymous terminology for descriptive, consistent nomenclature, we find discrepancies in the use of anatomic terms. This review clarifies the definitions of the above 3 terms...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28491453/surgical-management-of-medial-humeral-epicondylitis-cubital-synovial-osteochondromatosis-and-humeroradial-subluxation-in-a-cat
#19
Karen L Perry
CASE SUMMARY: A 13-year-old domestic shorthair cat presented for evaluation of pain and difficulty ambulating. Orthopedic examination and CT facilitated a diagnosis of bilateral elbow synovial osteochondromatosis with medial humeral epicondylitis and concurrent osteoarthritis. Right humeroradial subluxation was evident on CT images, but no instability was evident preoperatively. Surgical treatment was elected, including external neurolysis of the ulnar nerve, removal of the areas of mineralization within the flexor carpi ulnaris muscle and medial arthrotomy to remove intra-articular mineralized bodies...
January 2017: JFMS open reports
https://www.readbyqxmd.com/read/28490272/transfer-of-the-musculocutaneous-nerve-branch-to-the-brachialis-muscle-to-the-triceps-for-elbow-extension-anatomical-study-and-report-of-five-cases
#20
J A Bertelli, F Soldado, M F Ghizoni, A Rodríguez-Baeza
We report the study of the anatomical feasibility of transferring the nerve to the brachialis muscle to the upper medial head motor branch that innervate the triceps, and outcomes of such transfers in restoring elbow extension in five patients with posterior cord lesion of the brachial plexus. The length of the branches to the brachialis muscle measured 7.6 cm and the triceps upper medial head motor branch was 5 cm in 10 adult cadavers. Five male patients were treated with this transfer 5 months after the injury (range 4 to 6 months) after posterior cord injury of the brachial plexus with a mean follow-up of 31 months (range 28 to 36 months)...
February 1, 2017: Journal of Hand Surgery, European Volume
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