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https://www.readbyqxmd.com/read/28644943/failure-of-wrist-hemiarthroplasty
#1
Eric G Huish, Zachary Lum, H Brent Bamberger, Marc A Trzeciak
BACKGROUND: Wrist hemiarthroplasty has emerged as a motion-sparing option for severe wrist arthritis. It is technically easy with advantages of limited bone resection and no risk of nonunion. Given the relative infancy of the procedure in clinical practice, there are limited data on patient outcomes. METHODS: Eleven patients were treated with wrist reconstructive hemiarthroplasty. Indications included 1 patient with scaphoid nonunion advanced collapse, 9 patients with scapholunate advanced collapse, and 1 patient with capitolunate arthritis...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28644935/triquetrohamate-impaction-syndrome-an-unrecognized-cause-of-ulnar-sided-wrist-pain-its-presentation-further-defined
#2
Gary M Lourie, Colin Booth, Ross Nathan
BACKGROUND: The aim of this review was to further define the clinical condition triquetrohamate (TH) impaction syndrome (THIS), an entity underreported and missed often. Its presentation, physical findings, and treatment are presented. METHODS: Between 2009 and 2014, 18 patients were diagnosed with THIS. The age, sex, hand involved, activity responsible for symptoms, and defining characteristics were recorded. The physical findings, along with ancillary studies, were reviewed...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28643518/mini-c-arm-fluoroscopy-does-its-configuration-matter-for-radiation-exposure-to-the-surgeon
#3
Talia Chapman, Dennis P Martin, Christopher Williamson, Brian Tinsley, Mark L Wang, Asif M Ilyas
BACKGROUND: The risk of occupational radiation exposure to the surgeon associated with the use of a mini C-arm has yet to reach a wide consensus. Using a distal radius fracture surgery model, we tested the hypothesis that radiation exposure to the surgeon's critical body parts is independent of mini C-arm configuration. METHODS: An anthropomorphic mannequin (representing the upper body of a 60" male surgeon) was seated at a hand table as if operating on a volar-plated wrist Sawbone model...
June 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28638948/does-socioeconomic-status-influence-the-epidemiology-and-outcome-of-distal-radial-fractures-in-adults
#4
N D Clement, A D Duckworth, N R Wickramasinghe, C M Court-Brown, M M McQueen
PURPOSE: The aim of this study in adult patients with a distal radial fracture was to determine whether socioeconomic status influenced the epidemiology, mechanism of injury, fracture severity, or the outcome according to function, radiographic assessment, and rate of associated complications. METHODS: We identified 3983 distal radial fractures over a 7-year period. Socioeconomic status was assigned using the Carstairs score, and the population was divided into quintiles depending on deprivation...
June 21, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28638684/the-new-acr-eular-criteria-for-rheumatoid-arthritis-can-identify-patients-with-same-disease-activity-but-less-damage-by-ultrasound
#5
Sibel Zehra Aydın, Concepcion Castillo-Gallego, Jackie Nam, Jane Freeston, Sarah Horton, Richard J Wakefield, Paul Emery
OBJECTIVE: We aimed to compare the ultrasound findings of patients fulfilling the 1987 ACR [OLD-rheumatoid arthritis (RA)] and the new ACR/EULAR (NEW-RA) classification criteria to examine the impact of the new criteria on disease characteristics, particularly disease duration. MATERIAL AND METHODS: A total of 2730 hands, wrists, elbows, knees, ankles, and foot joints of 105 consecutive patients with inflammatory arthritis, i.e., 82 patients fulfilling the RA criteria (60 patients, OLD-RA; 22 patients, NEW-RA alone) and 23 patients with undifferentiated arthritis, were scanned using ultrasound...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28637147/musculoskeletal-complaints-in-individuals-with-finger-or-partial-hand-amputations-in-the-netherlands-a-cross-sectional-study
#6
Sjoukje E Bouma, Sietke G Postema, Raoul M Bongers, Pieter U Dijkstra, Corry K van der Sluis
PURPOSE: To compare the prevalence of musculoskeletal complaints (MSCs) in individuals with finger or partial hand amputations (FPHAs) with a control group and to explore the effect and predictors of MSCs in individuals with FPHAs. METHOD: A questionnaire-based cross-sectional study was conducted. The primary outcome measures were: prevalence of MSCs, health status, pain-related disability, physical work demands, work productivity, and hand function. RESULTS: The response rate was 61%...
February 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637143/validity-and-reliability-of-an-activity-monitor-to-quantify-arm-movements-and-activity-in-adults-following-distal-radius-fracture
#7
Andrea M Bruder, Jodie A McClelland, Nora Shields, Karen J Dodd, Raphael Hau, Alexander T M van de Water, Nicholas F Taylor
PURPOSE: To examine the validity and reliability of an activity monitor to estimate upper limb activity. METHODS: Thirty-two adults after distal radial fracture were recruited. 15 adults performed five upper limb activities during two testing sessions, one week apart to investigate criterion validity against the criterion reference of three-dimensional motion analysis, convergent validity, and test-retest reliability. 17 adults in two therapy groups wore monitors for three consecutive days at baseline and six weeks post-intervention...
February 23, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28635099/effects-of-electronic-device-overuse-by-university-students-in-relation-to-clinical-status-and-anatomical-variations-of-the-median-nerve-and-transverse-carpal-ligament
#8
Eugenia Hoi Chi Woo, Peter White, Christopher Wai Keung Lai
INTRODUCTION: This study investigates the results of a questionnaire, provocative tests, and ultrasonographic measurements of carpal tunnel morphological parameters in intensive and nonintensive electronic device users. METHODS: Forty-eight university students (equal numbers of intensive and nonintensive users, ≥5 h/day and <5 h/day of electronic device usage, respectively) were randomly selected after questionnaire responses were received and evaluated clinically and by ultrasonography...
June 21, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28632594/outcome-of-early-and-late-diagnosed-essex-lopresti-injury
#9
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/28628750/ergonomic-benefits-from-a-laparoscopic-instrument-with-rotatable-handle-piece-depend-on-the-area-of-the-operating-field-and-working-height
#10
Benjamin Steinhilber, Florian Reiff, Robert Seibt, Monika A Rieger, Peter Martus, Bernhard Kraemer, Ralf Rothmund
Objective To evaluate the effect of a laparoscopic instrument with a 360° rotatable handle piece (rot-HP) on biomechanical stress and precision in different areas of a simulated operating field at two working heights. Background Surgeons performing laparoscopic procedures are exposed to biomechanical stress and have an increased risk of musculoskeletal complaints. Method Fifty-seven healthy subjects (27 men, median age 26) without experience in laparoscopy performed a precision task in four quadrants (A-D) of the operating field using the rot-HP or a common fixed handle piece (fixed-HP) at an individually adjusted lower or higher working height...
June 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28627507/semivertical-incision-an-aesthetically-and-electrophysiologically-effective-mini-incision-technique-for-carpal-tunnel-decompression
#11
Nese Keser, Nimet Dortcan, Ulas Cikla, Kutluay Uluc, Erhan Celikoglu, Merih Is, Bora Gurer
BACKGROUND The purpose of this study was to present the clinical results of our retrospective series of carpal tunnel release (CTR) operations. For these operations we used a unique type of incision, for the first time, for treatment of carpal tunnel syndrome (CTS) consisting of a 1-cm semi-vertical (SV) incision made into the wrist crease for macroscopic open CTR. MATERIAL AND METHODS This retrospective study included 114 patients (101 females and 13 males) with CTR who were operated upon in our neurosurgery clinic between December 2010 and June 2015...
June 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28626855/a-scaling-method-to-individualise-muscle-force-capacities-in-musculoskeletal-models-of-the-hand-and-wrist-using-isometric-strength-measurements
#12
Benjamin Goislard de Monsabert, G Rao, A Gay, E Berton, L Vigouroux
Because the force-generating capacities of muscles are currently estimated using anatomical data obtained from cadaver specimens, hand musculoskeletal models provide only a limited representation of the specific features of individual subjects. A scaling method is proposed to individualise muscle capacities using dynamometric measurements and electromyography. For each subject, a strength profile was first defined by measuring net moments during eight maximum isometric contractions about the wrist and metacarpophalangeal joints...
June 19, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28626332/3d-motion-analysis-of-the-wrist-splint-effect-to-wrist-joint-movement
#13
Joong-Il Shin, Soo-Hee Park
[Purpose] This study aimed to investigate the degree of straightness of the wrist joint, depending on the use of a wrist splint while opening a bottle cap. Its results may provide data for later studies on preventing accidents at workplaces and improving efficiency. [Subjects and Methods] Thirty Male and Female in their twenties who did not have hand-related diseases, fractures, or history that included neurological impairments associated with the hand were selected as subjects of the study. Wrist splints were made to fit the hand and lower arm of each subject...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28624293/soft-tissue-sarcomas-of-the-forearm-wrist-and-hand
#14
C Lazerges
Soft tissue sarcoma of the forearm, wrist and hand are rare. Their benign appearance leads often to primary inadequate treatment. Due to the complex anatomy of the hand and forearm, they are challenging to treat. The two goals are to obtain wide resection of the primary tumor while preserving function. Limb-sparing surgery is now the cornerstone for the treatment of most sarcomas of the forearm, hand and wrist. To achieve optimal oncological and functional outcomes, the surgical excision should be associated with early reconstructive procedures and a multidisciplinary meeting to define the treatment strategy including adjuvant medical treatments...
June 14, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28624019/scapholunate-dissociation-diagnostics-made-easy
#15
K C A L Cheriex, G S I Sulkers, M P Terra, N W L Schep, B J P L van Aard, S D Strackee
Scapholunate dissociation (SLD) is a form of carpal instability, caused by rupture of the scapholunate ligament (SLL) the secondary stabiliser of the scapholunate (SL) compartment. SLD can cause osteoarthritis of the wrist. Recently a study was published that shows cineradiography to be an excellent radiological imaging technique for diagnosing SLD at a tertiary centre for hand and wrist surgery [1]. As the quality of these results can be influenced by the expertise of the operator and observer of the cineradiographic studies, the aim of this study was to determine if these results were reproducible at a secondary centre for hand and wrist surgery with less expertise in wrist cineradiography...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28622409/ultrasound-guided-hydrodissection-decreases-gliding-resistance-of-the-median-nerve-within-the-carpal-tunnel
#16
Stefanie Evers, Andrew R Thoreson, Jay Smith, Chunfeng Zhao, Jennifer R Geske, Peter C Amadio
INTRODUCTION: The aim of this study was to assess alterations in median nerve biomechanics within the carpal tunnel resulting from ultrasound-guided hydrodissection in a cadaveric model. METHODS: Twelve fresh frozen human cadaver hands were used. Median nerve gliding resistance was measured at baseline and post-hydrodissection, by pulling the nerve proximally and then returning it to the origin. Six specimens were treated with hydrodissection, and 6 were used as controls...
June 16, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28619447/similar-movements-are-associated-with-drastically-different-muscle-contraction-velocities
#17
Daniel A Hagen, Francisco J Valero-Cuevas
We investigated how kinematic redundancy interacts with the neurophysiological control mechanisms required for smooth and accurate, rapid limb movements. Biomechanically speaking, tendon excursions are over-determined because the rotation of few joints determines the lengths and velocities of many muscles. But how different are the muscle velocity profiles induced by various, equally valid hand trajectories? We used an 18-muscle sagittal-plane arm model to calculate 100,000 feasible shoulder, elbow, and wrist joint rotations that produced valid basketball free throws with different hand trajectories, but identical initial and final hand positions and velocities...
May 31, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28617181/a-novel-surgical-approach-for-treating-distal-radial-extraarticular-malunion-oblique-osteotomy-with-buttress-plate-stabilization
#18
Chi-Chuan Wu
PURPOSE: Distal radial extraarticular malunions are not uncommon. However, requirements of surgical correction depend on multiple conditions. Traditionally, surgical techniques include closing or opening wedge osteotomies. Each has unique advantages and disadvantages. An oblique osteotomy was developed to simplify the revision surgery. METHODS: Forty-eight consecutive adult patients with 48 malunions were surgically treated. An oblique osteotomy of 45° vertical to the radial longitudinal axis was performed from medio-distally to latero-proximally...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28616933/split-hand-index-and-ulnar-to-median-ratio-in-hirayama-disease-and-amyotrophic-lateral-sclerosis
#19
Jayantee Kalita, Surendra Kumar, Usha K Misra, Zafar Neyaz
OBJECTIVE: We report the relative usefulness of split hand index (SHI) and ulnar to median (UM) ratio in Hirayama disease (HD) and amyotrophic lateral sclerosis (ALS). METHODS: The patients with HD, ALS and matched controls were subjected to evaluation of UM ratio and SHI. Compound muscle action potentials (CMAPs) were recorded from abductor digit minimi (ADM) and first dorsal interosseous (FDI) by stimulating ulnar nerve at the wrist, and abductor pollicis brevis (APB) by stimulating median nerve at the wrist...
June 15, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28616787/subtle-radiographic-signs-of-hamate-body-fracture-a-diagnosis-not-to-miss-in-the-emergency-department
#20
Nathan D Cecava, Mary F Finn, Liem T Mansfield
Hamate fractures are estimated to represent 1.7% of all carpal fractures and can occur at the hamulus (hook) or hamate body depending on mechanism of injury. Fractures of the hamate body can be exceedingly difficult to identify on standard wrist and hand radiographs in the emergency department. If the diagnosis is missed in the emergency department, orthopedic referral is often delayed. This can result in lasting functional disability for the patient, as these fractures have a propensity to destabilize the fourth and fifth carpometacarpal (CMC) joints...
June 14, 2017: Emergency Radiology
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