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https://www.readbyqxmd.com/read/28806832/-dorsal-ligamentoplasty-for-posttraumatic-scapholunate-dissociation
#1
Ralf Bajinski, Joachim Gülke, Martin Mentzel, Florian Sigloch, Moritz Dustmann, Nikolaus Johannes Wachter
Scapholunate dissociation in stages 2 and 3 may lead to posttraumatic damage if left untreated. Different types of treatment have been described, including capsulodesis, tenodesis, and others. The purpose of all procedures is to avoid palmar shift of the distal scaphoid resulting in secondary arthritis (SLAC wrist). This study aimed to evaluate a modified dorsal ligamentoplasty in second- and third-degree scapholunate dissociation in a prospective study design. Furthermore, the study aimed to find out if there is a correlation between radiological and clinical parameters at follow-up and whether or not a SLAC wrist can be avoided...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806829/-lundborg-s-resection-arthroplasty-vs-pyrocarbon-spacer-pyrocardan%C3%A2-for-the-treatment-of-trapeziometacarpal-joint-osteoarthritis-a-two-centre-study
#2
Holger C Erne, Daniel Schmauß, Michael Cerny, Verena Schmauss, Denis Ehrl, Steffen Löw, Stefan Deiler
Background Various operative approaches exist for osteoarthritis of the trapeziometacarpal joint. The aim of this two-centre study was to compare the results of Lundsborg's resection arthroplasty with the implantation of the Pyrocardan(®) spacer. Patients and methods We treated 20 patients with symptomatic osteoarthritis of the trapeziometacarpal joint in stage III / IV (Eaton-Littler classification). Twelve patients received Lundsborg's resection arthroplasty (centre 1), and in 8 patients a Pyrocardan(®) spacer was implanted (centre 2)...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806827/-functional-outcome-following-high-pressure-injection-injuries-of-the-hand
#3
Florian Neubrech, Christian A Radu, David Pauli, Berthold Bickert, Ulrich Kneser, Leila Harhaus
Background High-pressure injection injuries are devastating injuries that often lead to an amputation of the primarily affected finger. The available literature mainly focuses on amputation rates, while there is a lack of knowledge regarding functional results. Patients and Methods Between 1998 and 2016, 47 cases of high-pressure injection injuries of the hand were registered in our department. Out of these, data of 26 patients, all men with an average age of 42 (18-62) years, were included in a retrospective follow-up examination after 4 (1-12) years...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28802438/investigation-of-index-finger-triggering-force-using-a-cadaver-experiment-effects-of-trigger-grip-span-contact-location-and-internal-tendon-force
#4
Joonho Chang, Andris Freivalds, Neil A Sharkey, Yong-Ku Kong, H Mike Kim, Kiseok Sung, Dae-Min Kim, Kihyo Jung
A cadaver study was conducted to investigate the effects of triggering conditions (trigger grip span, contact location, and internal tendon force) on index finger triggering force and the force efficiency of involved tendons. Eight right human cadaveric hands were employed, and a motion simulator was built to secure and control the specimens. Index finger triggering forces were investigated as a function of different internal tendon forces (flexor digitorum profundus + flexor digitorum superficialis = 40, 70, and 100 N), trigger grip spans (40, 50, and 60 mm), and contact locations between the index finger and a trigger...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28801210/the-longitudinal-relationship-between-hand-hip-and-knee-osteoarthritis-and-cardiovascular-events-a-population-based-cohort-study
#5
Tetyana Kendzerska, Peter Jüni, Lauren K King, Ruth Croxford, Ian Stanaitis, Gillian A Hawker
OBJECTIVE: In this population-based cohort study, we examined the association between the presence of symptomatic osteoarthritis (OA) and risk for cardiovascular (CV) events. METHOD: A cohort aged ≥55 years recruited from 1996-98 was followed through provincial health administrative data to 2014. Demographics, joint complaints and functional limitations were collected. Hip, knee and hand OA were defined using a validated definition. Using Cox-regressions, the relationship between OA and a composite CV outcome (myocardial infarction, stroke, angina, heart failure, revascularization) was assessed controlling for age, BMI, sex, pre-existing metabolic factors, comorbidities, income status, primary care exposure and functional limitations...
August 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28797624/transcranial-direct-current-stimulation-over-multiple-days-enhances-motor-performance-of-a-grip-task
#6
Julie Fan, Julien Voisin, Marie-Hélène Milot, Johanne Higgins, Marie-Hélène Boudrias
BACKGROUND: Recovery of handgrip is critical after stroke since it is positively related to upper limb function. To boost motor recovery, transcranial direct current stimulation (tDCS) is a promising, non-invasive brain stimulation technique for the rehabilitation of persons with stroke. When applied over the primary motor cortex (M1), tDCS has been shown to modulate neural processes involved in motor learning. However, no studies have looked at the impact of tDCS on the learning of a grip task in both stroke and healthy individuals...
August 7, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28794977/time-dependent-functional-role-of-the-contralesional-motor-cortex-after-stroke
#7
L J Volz, M Vollmer, J Michely, G R Fink, J C Rothwell, C Grefkes
After stroke, movements of the paretic hand rely on altered motor network dynamics typically including additional activation of the contralesional primary motor cortex (M1). The functional implications of contralesional M1 recruitment to date remain a matter of debate. We here assessed the role of contralesional M1 in 12 patients recovering from a first-ever stroke using online transcranial magnetic stimulation (TMS): Short bursts of TMS were administered over contralesional M1 or a control site (occipital vertex) while patients performed different motor tasks with their stroke-affected hand...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28794890/pathophysiology-of-writer-s-cramp-an-exploratory-study-on-task-specificity-and-non-motor-symptoms-using-an-extended-fine-motor-testing-battery
#8
Ali Amouzandeh, Michael Grossbach, Joachim Hermsdörfer, Eckart Altenmüller
BACKGROUND: Writer's cramp (WC) is a task-specific focal dystonia which manifests itself as abnormal postures interfering with motor performance. As the spread of motor symptoms remains controversial and non-motor symptoms are widely discussed, in this exploratory study, we explore the pathophysiology of WC, focusing on task-specificity and the psychological profiles of WC patients. METHODS: In 14 right-handed WC patients and matched controls, we assessed motor control by applying motor performance tests (Vienna Test Series), as well as using writing analysis and grip-force measurements...
2017: Journal of Clinical Movement Disorders
https://www.readbyqxmd.com/read/28791721/cortical-control-of-object-specific-grasp-relies-on-adjustments-of-both-activity-and-effective-connectivity-a-common-marmoset-study
#9
Banty Tia, Mitsuaki Takemi, Akito Kosugi, Elisa Castagnola, Alberto Ansaldo, Takafumi Nakamura, Davide Ricci, Junichi Ushiba, Luciano Fadiga, Atsushi Iriki
The cortical mechanisms of grasping have been extensively studied in macaques and humans. Here, we investigated whether common marmosets could rely on similar mechanisms despite striking differences in manual dexterity. Two common marmosets were trained to grasp-and-pull three objects eliciting different hand configurations: whole-hand, finger and scissor grips. The animals were then chronically implanted with 64-channel electrocorticogram arrays positioned over the left premotor, primary motor and somatosensory cortex...
August 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28791454/-midcarpal-partial-arthrodesis-with-locking-plate-osteosynthesis
#10
REVIEW
J-F Hernekamp, U Kneser, T Kremer, B Bickert
OBJECTIVE: Preservation of residual mobility and pain reduction in the wrist in advanced carpal collapse (scapholunate advanced collapse, SLAC or scaphoid nonunion advanced collapse, SNAC). INDICATIONS: Advanced osteoarthritis of the radiocarpal and intercarpal articulations, SLAC/SNAC stages 2-3. CONTRAINDICATIONS: Arthrotic alterations to the proximal joint surface of the lunate bone or the corresponding joint surface of the radius (lunate fossa)...
August 8, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28789780/botulinum-toxin-in-parkinson-disease-tremor-a%C3%A2-randomized-double-blind-placebo-controlled-study-with-a-customized-injection-approach
#11
Shivam Om Mittal, Duarte Machado, Diana Richardson, Divyanshu Dubey, Bahman Jabbari
BACKGROUND: In essential tremor and Parkinson disease (PD) tremor, administration of onabotulinumtoxinA via a fixed injection approach improves the tremor, but many patients (30%-70%) develop moderate to severe hand weakness, limiting the use of onabotulinumtoxinA in clinical practice. OBJECTIVE: To evaluate the safety and efficacy of incobotulinumtoxinA (IncoA) injection for the treatment of tremor in PD. PATIENTS AND METHODS: In this double-blind, placebo-controlled, crossover trial, 30 patients each received 7 to 12 (mean, 9) IncoA injections into hand and forearm muscles using a customized approach...
August 5, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28781212/tendon-transfer-to-restore-the-extension-of-the-thumb-using-the-extensor-carpi-radialis-brevis-a-long-term-follow-up
#12
Shusen Cui, Guang Yang, Qiang Li, Guangzhi Wu, Zhenxing Wang, Ju Zhang, Wei Yu
PURPOSE: The present study aimed to investigate the long-term functional and clinical outcomes of a tendon transfer to restore the extension of the thumb using the extensor carpi radialis brevis. METHODS AND MATERIALS: From June 2005 to September 2012, eight patients (six males; two females) with a mean age of 30 years (range, 16-52 years) who suffered rupture or division of extensor pollicis longus underwent a tendon transfer to restore the extension of the thumb using the extensor carpi radialis brevis...
July 18, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28777156/deep-transverse-metacarpal-ligament-reconstruction-using-suture-button-and-a1-pulley
#13
Joshua Piercey, Paul McEniery, Nicholas Green
Rupture of the deep transverse metacarpal ligament (DTML) can result in pain, impaired grip strength, and undermine functional performance of the hand. We describe the case of a patient whose right hand came into contact with a boat propeller. He sustained a complete disruption of the DTML between the second and third ray in addition to soft tissue injury and open metacarpal fractures. Although other techniques describe a reconstruction of the DTML, our technique describes an adjunctive technique that strongly augments the A1 pulley reconstruction and nullifies the requirements of palmaris longus graft...
August 3, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28774248/thumb-function-and-electromyography-result-after-modified-camitz-tendon-transfer
#14
Claire Marie Durban, Bernard Antolin, Chung Ying Sau, Sheung Wai Li, Wing Yuk Ip
BACKGROUND: Various techniques of opponensplasty have been developed with the aim of restoring the thumb function. The modified Camitz opponensplasty is a simple technique done together with an open carpal tunnel release. It restores thumb palmar abduction soon after the procedure, during such time that the abductor pollicis brevis (APB) is still recovering. The aim of this study was to assess the recovery and level of activity of the abductor pollicis brevis and palmaris longus (PL) muscles during thumb opposition and abduction after performing the modified Camitz opponensplasty...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28770449/randomized-trial-of-vitamin-d3-to-prevent-worsening-of-musculoskeletal-symptoms-in-women-with-breast-cancer-receiving-adjuvant-letrozole-the-vital-trial
#15
Qamar J Khan, Bruce F Kimler, Pavan S Reddy, Priyanka Sharma, Jennifer R Klemp, Jennifer L Nydegger, Hung-Wen Yeh, Carol J Fabian
PURPOSE: Aromatase inhibitor-associated musculoskeletal symptoms (AIMSS) frequently occur in women being treated for breast cancer. Prior studies suggest high prevalence of vitamin D deficiency in breast cancer patients with musculoskeletal (MS) pain. We conducted a randomized, placebo-controlled trial to determine if 30,000 IU vitamin D3 per week (VitD3) would prevent worsening of AIMSS in women starting adjuvant letrozole for breast cancer. METHODS: Women with stage I-III breast cancer starting adjuvant letrozole and 25(OH)D level ≤40 ng/ml were eligible...
August 2, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28767593/the-mini-incision-technique-for-carpal-tunnel-release-using-nasal-instruments-in-chinese-patients
#16
Yanhua Chen, Wei Ji, Tao Li, Xiaobin Cong, Zhenbing Chen
Treatment of carpal tunnel syndrome (CTS) remains a challenge for hand surgeons. Carpal tunnel release (CTR) using nasal instruments has the advantages of both endoscopy and open surgery. In this study we aimed to explore the effectiveness of CTR using nasal instruments in Chinese patients.We present a case series of 49 cases of idiopathic CTS treated with the mini-incision technique using nasal instruments. The average recovery days before return to normal work and complications were recorded. The mean grip strength, pinch strength, and sensation were evaluated...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28756528/changes-in-incontinence-after-hysterectomy
#17
Anne Raabjerg Kruse, Trine Dalsgaard Jensen, Finn Friis Lauszus, Ervin Kallfa, Mogens Rørbæk Madsen
PURPOSE: Information about the perioperative incontinence following hysterectomy is limited. To advance the postoperative rehabilitation further we need more information about qualitative changes in incontinence, fatigue and physical function of patients undergoing hysterectomy. METHODS: 108 patients undergoing planned hysterectomy were compared pre- and postoperatively. In a sub-study of the prospective follow-up study the changes in incontinence, postoperative fatigue, quality of life, physical function, and body composition were evaluated preoperatively, 13 and 30 days postoperatively...
July 29, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28753965/evaluation-of-fitness-and-the-balance-levels-of-children-with-a-diagnosis-of-juvenile-idiopathic-arthritis-a-pilot-study
#18
Antonino Patti, Maria Cristina Maggio, Giovanni Corsello, Giuseppe Messina, Angelo Iovane, Antonio Palma
Background: Juvenile idiopathic arthritis is a main cause of physical disability and has high economic costs for society. The purpose of this study was to assess the fitness levels and the postural and balance deficits with a specific test battery. Methods: Fifty-six subjects were enrolled in this study. Thirty-nine healthy subjects were included in the control group and seventeen in the juvenile idiopathic arthritis group. All subjects were evaluated using a posturography system. The fitness level was evaluated with a battery of tests (Abalakov test, sit-up test, hand grip test, backsaver sit and reach, the toe touch test)...
July 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28750232/effects-of-chair-yoga-therapy-on-physical-fitness-in-patients-with-psychiatric-disorders-a-12-week-single-blind-randomized-controlled-trial
#19
Saeko Ikai, Hiroyuki Uchida, Yuya Mizuno, Hideaki Tani, Maki Nagaoka, Kenichi Tsunoda, Masaru Mimura, Takefumi Suzuki
INTRODUCTION: Since falls may lead to fractures and have serious, potentially fatal outcomes, prevention of falls is an urgent public health issue. We examined the effects of chair yoga therapy on physical fitness among psychiatric patients in order to reduce the risk of falls, which has not been previously reported in the literature. METHODS: In this 12-week single-blind randomized controlled trial with a 6-week follow-up, inpatients with mixed psychiatric diagnoses were randomly assigned to either chair yoga therapy in addition to ongoing treatment, or treatment-as-usual...
July 19, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28748312/the-extended-object-grasping-network
#20
REVIEW
Marzio Gerbella, Stefano Rozzi, Giacomo Rizzolatti
Grasping is the most important skilled motor act of primates. It is based on a series of sensorimotor transformations through which the affordances of the objects to be grasped are transformed into appropriate hand movements. It is generally accepted that a circuit formed by inferior parietal areas AIP and PFG and ventral premotor area F5 represents the core circuit for sensorimotor transformations for grasping. However, selection and control of appropriate grip should also depend on higher-order information, such as the meaning of the object to be grasped, and the overarching goal of the action in which grasping is embedded...
July 26, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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