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https://www.readbyqxmd.com/read/29334327/migration-of-a-kirschner-wire-into-the-spinal-cord-a-case-report-and-literature-review
#1
Ryogo Furuhata, Mitsuhiro Nishida, Midori Morishita, Shigeru Yanagimoto, Masaki Tezuka, Eijiro Okada
CONTEXT: A Kirschner wire (K-wire) is a stainless steel pin with at least one sharpened tip that is mainly used for the internal fixation of bone fractures. While some cases of K-wire dislocation and migration have been reported as complications after fracture surgery, the intraspinal migration of a K-wire is rare. Herein, we report a case in which a K-wire used for sternal fixation 7 years earlier migrated into the spinal canal. FINDINGS: A 68-year-old male suddenly sustained severe radiating pain and numbness in his left upper extremity, and walked to our hospital...
January 15, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29332687/similarities-and-differences-in-estimates-of-sleep-duration-by-polysomnography-actigraphy-diary-and-self-reported-habitual-sleep-in-a-community-sample
#2
Karen A Matthews, Sanjay R Patel, Elizabeth J Pantesco, Daniel J Buysse, Thomas W Kamarck, Laisze Lee, Martica H Hall
OBJECTIVES: To compare estimates of sleep duration defined by polysomnography (PSG), actigraphy, daily diary, and retrospective questionnaire and to identify characteristics associated with differences between measures. DESIGN: Cross-sectional. SETTING: Community sample. PARTICIPANTS: The sample consisted of 223 Black, White, and Asian middle- to older-aged men and women residing in the Pittsburgh, PA area. INTERVENTIONS: Not applicable...
February 2018: Sleep Health
https://www.readbyqxmd.com/read/29332671/estimating-sleep-efficiency-in-10-to-13-year-olds-using-a-waist-worn-accelerometer
#3
M M Borghese, Y Lin, J P Chaput, I Janssen
OBJECTIVE: In field settings, wrist- and waist-worn accelerometers are typically used to assess sleep characteristics and movement behaviors, respectively. There has been a shift in movement behavior studies to wear accelerometers 24 h/d. Sleep characteristics could be assessed in these studies if sleep algorithms were available for waist-worn accelerometers. The objective of this study was to develop and provide validity data for an algorithm/sleep likelihood score cut-off to estimate sleep efficiency in children using the waist-worn Actical accelerometer...
February 2018: Sleep Health
https://www.readbyqxmd.com/read/29331208/wrist-a-wrist-image-segmentation-toolkit-for-carpal-bone-delineation-from-mri
#4
Brent Foster, Anand A Joshi, Marissa Borgese, Yasser Abdelhafez, Robert D Boutin, Abhijit J Chaudhari
Segmentation of the carpal bones from 3D imaging modalities, such as magnetic resonance imaging (MRI), is commonly performed for in vivo analysis of wrist morphology, kinematics, and biomechanics. This crucial task is typically carried out manually and is labor intensive, time consuming, subject to high inter- and intra-observer variability, and may result in topologically incorrect surfaces. We present a method, WRist Image Segmentation Toolkit (WRIST), for 3D semi-automated, rapid segmentation of the carpal bones of the wrist from MRI...
December 28, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/29330689/the-efficiency-of-acoustic-radiation-force-impulse-arfi-elastography-in-the-diagnosis-and-staging-of-carpal-tunnel-syndrome
#5
Harun Arslan, Alpaslan Yavuz, Ferda İlgen, Abdurrahman Aycan, Mesut Ozgokce, Hüseyin Akdeniz, Abdussamet Batur
OBJECTIVES: The aim of the present study was to quantify the stiffness of the median nerve (MN) at the carpal tunnel inlet by acoustic radiation force impulse (ARFI) elastography and to evaluate whether ARFI can be used in diagnosis and staging of carpal tunnel syndrome (CTS). METHODS: Sonographic examinations of 96 wrists in 50 patients were included in the study. The cross-sectional area and stiffness of the MN were quantitatively measured by B-mode ultrasonography (USG) and ARFI...
January 12, 2018: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29330342/are-the-patient-rated-wrist-evaluation-prwe-and-the-disabilities-of-the-arm-shoulder-and-hand-dash-questionnaire-used-in-distal-radial-fractures-truly-valid-and-reliable
#6
Y V Kleinlugtenbelt, R G Krol, M Bhandari, J C Goslings, R W Poolman, V A B Scholtes
OBJECTIVES: The patient-rated wrist evaluation (PRWE) and the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire are patient-reported outcome measures (PROMs) used for clinical and research purposes. Methodological high-quality clinimetric studies that determine the measurement properties of these PROMs when used in patients with a distal radial fracture are lacking. This study aimed to validate the PRWE and DASH in Dutch patients with a displaced distal radial fracture (DRF)...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29330230/reducing-sedentary-behaviour-to-decrease-chronic-low-back-pain-the-stand-back-randomised-trial
#7
Bethany Barone Gibbs, Andrea L Hergenroeder, Sophy J Perdomo, Robert J Kowalsky, Anthony Delitto, John M Jakicic
OBJECTIVE: The Stand Back study evaluated the feasibility and effects of a multicomponent intervention targeting reduced prolonged sitting and pain self-management in desk workers with chronic low back pain (LBP). METHODS: This randomised controlled trial recruited 27 individuals with chronic LBP, Oswestry Disability Index (ODI) >10% and desk jobs (sitting ≥20 hours/week). Participants were randomised within strata of ODI (>10%-<20%, ≥20%) to receive bimonthly behavioural counselling (in-person and telephone), a sit-stand desk attachment, a wrist-worn activity-prompting device and cognitive behavioural therapy for LBP self-management or control...
January 12, 2018: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29329907/influence-of-motor-imagery-on-spinal-reflex-excitability-of-multiple-muscles
#8
Kento Nakagawa, Yohei Masugi, Akira Saito, Hiroki Obata, Kimitaka Nakazawa
The effects of motor imagery on spinal reflexes such as the H-reflex are unclear. One reason for this is that the muscles that can be used to record spinal reflexes are limited to traditional evoking methods Recently, transcutaneous spinal cord stimulation has been used for inducing spinal reflexes from multiple muscles and we aimed to examine the effect of motor imagery on spinal reflexes from multiple muscles. Spinal reflexes evoked by transcutaneous spinal cord stimulation were recorded from six muscles from lower limbs during motor imagery of right wrist extension and ankle plantarflexion with maximum isometric contraction...
January 9, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29329124/septic-arthritis-of-the-wrist
#9
John D Jennings, Asif M Ilyas
Septic arthritis of the wrist is an uncommon condition, but one that can result in substantial morbidity. Timely identification and treatment is critical to patient care. No serum laboratory values have been shown to consistently confirm wrist joint infection. Thus, diagnosis is made based mainly on a thorough patient history, physical examination, and joint aspiration. When infection is suspected, aspiration of the wrist should be performed to confirm the diagnosis. Broad-spectrum antibiotics and joint aspiration or surgery are required to manage the infection and prevent sequelae...
January 11, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29329042/assessment-of-the-efficacy-of-omega-3-fatty-acids-on-metabolic-and-inflammatory-parameters-in-patients-with-schizophrenia-taking-clozapine-and-sodium-valproate
#10
Fatemeh Behdani, Seyede Narjes Roudbaraki, Maryam Saberi-Karimian, Maryam Tayefi, Paria Hebrani, Amir Akhavanrezayat, Sadegh Vahabi Amlashi, Gordon A Ferns, Majid Ghayour-Mobarhan
Omega-3 fatty acid (FA) supplementation has been reported to improve several cardio-metabolic risk factors. We aimed to assess the efficacy of omega-3 fatty acids on metabolic and inflammatory indices in patients with schizophrenia who were taking clozapine and sodium valproate. All patients were on a stable dose of 300-400mg of clozapine for 3 months. Subjects were randomized to treatment with either omega-3 fatty acid (4gr/day) or a placebo for 8 weeks. Height, weight, abdominal circumference, serum lipid profile, fasting blood glucose (FBG), and serum high sensitivity-C-reactive protein (hs-CRP) were determined at baseline and after 8 weeks of treatment...
December 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29327689/global-spectral-graph-wavelet-signature-for-surface-analysis-of-carpal-bones
#11
Majid Masoumi, Mahsa Rezaei, A Ben Hamza
Quantitative shape comparison is a fundamental problem in computer vision, geometry processing and medical imaging. In this paper, we present a spectral graph wavelet approach for shape analysis of carpal bones of the human wrist. We employ spectral graph wavelets to represent the cortical surface of a carpal bone via the spectral geometric analysis of the Laplace-Beltrami operator in the discrete domain. We propose global spectral graph wavelet (GSGW) descriptor that is isometric invariant, efficient to compute, and combines the advantages of both low-pass and band-pass filters...
January 12, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29327549/-characteristics-and-treatments-of-the-essex-lopresti-injury
#12
Ming-Liang Li, Jian-Shui Mao, Chong-Bin Zhou, Ji-Wei Wang, Zhi-Jun Ye
OBJECTIVE: To summarize experiences of operative treatment for Essex-Lopresti injury, and analyze the effect of the compare repair of interosseous membrane of forearm(IOM)on the forearm function. METHODS: Twenty-four patients of Essex-Lopresti injury were treated from January 2005 to December 2013, 16 patients(group A) with radius and/or ulna fractures were treated with open reduction and internal fixation of radius or ulna and repair of forearm bone membrane at the same time, and then treated with open reduction and internal fixation of head of radius, as well as lower ulnar joint fixation or repair of wrist triangle fiber complex...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327548/-research-of-tcm-synthetic-rehabilitation-on-the-recovery-of-wrist-joint-after-distal-radius-fractures
#13
Yong Zhao, Qing-Qing Dong, Wei-Kai Qin, An Yan, Kuan Zhang, Guo-Dong Zhao, Gang Wang, Jin-Chao Geng, Zhan-Feng Wang, Ze-Ming Lu
OBJECTIVE: To evaluate efficacy and advantages of the Traditional Chinese Medicine (TCM) synthetic rehabilitation therapy in the treatment of wrist dysfunction after distal radius fractures. METHODS: From May 2014 to October 2015, 72 patients with distal radius fracture meeting standards were treated using central randomization system for clinical research. All the patients were divided into two groups: 36 patients in test group and 36 in control group. Sixty-nine cases were finished treatment and followed up in the end...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327424/the-choreography-of-group-affiliation
#14
Jorina von Zimmermann, Staci Vicary, Matthias Sperling, Guido Orgs, Daniel C Richardson
When two people move in synchrony, they become more social. Yet it is not clear how this effect scales up to larger numbers of people. Does a group need to move in unison to affiliate, in what we term unitary synchrony; or does affiliation arise from distributed coordination, patterns of coupled movements between individual members of a group? We developed choreographic tasks that manipulated movement synchrony without explicitly instructing groups to move in unison. Wrist accelerometers measured group movement dynamics and we applied cross-recurrence analysis to distinguish the temporal features of emergent unitary synchrony (simultaneous movement) and distributed coordination (coupled movement)...
January 12, 2018: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29327223/one-bone-forearm-osteodesis-and-biceps-re-routing-to-correct-severe-supination-contracture-in%C3%A2-a-paediatric-patient-with-late-obstetric-brachial-plexus-palsy
#15
Ricardo Monreal
PURPOSE: The one-bone forearm arthrodesis has been performed to change the position of the forearm in children with fixed supination deformity due to upper extremity neurologic deficit. In this article, we present a retrospective review of children with late obstetric brachial plexus palsy who underwent palliative surgery to correct severe supination contracture by one-bone forearm osteodesis and biceps re-routing. This technique has not been described previously. MATERIALS AND METHODS: In this retrospective study, four consecutive patients with upper extremity weakness and severe supination contracture who underwent forearm osteodesis in neutral or slight pronation and biceps re-routing...
January 12, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29327127/a-child-with-painless-left-wrist-swelling
#16
EDITORIAL
Wai Keung Lo, Cheuk Kei Kathy Wong, Chi Hin Chan
No abstract text is available yet for this article.
January 11, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29326820/a-case-of-intra-arterial-thrombolysis-with-alteplase-in-a-patient-with-hypothenar-hammer-syndrome-but-without-underlying-aneurysm
#17
Harshal Shukla, Vicken Yaghdjian, Issam Koleilat
Hypothenar hammer syndrome is a cause of symptomatic ischemia of the hand secondary to the formation of aneurysm or thrombosis of the ulnar artery in the setting of a complete or incomplete palmar arch. Acute occlusive thrombus or embolus of the hand represents a complex problem that often may require immediate surgical intervention. We report a case of acute unilateral arterial hand ischemia requiring catheter-directed thrombolysis with Alteplase therapy in a patient with acute occlusive arterial thrombosis of the left ulnar artery...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29326766/dorsal-luno-capitate-impingement-in-a-professional-tennis-player-a-case-report
#18
A Afshar, A Tabrizi
A 30-year old male right handed professional tennis player complained about reduced athletic performance, chronic pain and restricted extension of his right wrist. Lateral radiograph of the right wrist demonstrated an osteophyte projecting from the dorsal lip of the lunate bone. The presence of an osteophyte on the lateral radiograph of the lunate along with the history, clinical examination, intra-operative findings, and post-operative satisfactory result made the diagnosis of dorsal luno-capitate impingement syndrome reasonable...
November 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29326231/linked-networks-for-learning-and-expressing-location-specific-threat
#19
Benjamin Suarez-Jimenez, James A Bisby, Aidan J Horner, John A King, Daniel S Pine, Neil Burgess
Learning locations of danger within our environment is a vital adaptive ability whose neural bases are only partially understood. We examined fMRI brain activity while participants navigated a virtual environment in which flowers appeared and were "picked." Picking flowers in the danger zone (one-half of the environment) predicted an electric shock to the wrist (or "bee sting"); flowers in the safe zone never predicted shock; and household objects served as controls for neutral spatial memory. Participants demonstrated learning with shock expectancy ratings and skin conductance increases for flowers in the danger zone...
January 11, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29324410/decoding-motor-unit-activity-from-forearm-muscles-perspectives-for-myoelectric-control
#20
Tamas Kapelner, Francesco Negro, Oskar C Aszmann, Dario Farina
We prove the feasibility of decomposing high density surface EMG signals from forearm muscles in non-isometric wrist motor tasks of normally limbed and limb-deficient individuals with the perspective of using the decoded neural information for prosthesis control. For this purpose, we recorded surface EMG signals during motions of three degrees of freedom of the wrist in seven normally limbed subjects and two patients with limb deficiency. The signals were decomposed into individual motor unit activity with a convolutive blind source separation algorithm...
January 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
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