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https://www.readbyqxmd.com/read/29331208/wrist-a-wrist-image-segmentation-toolkit-for-carpal-bone-delineation-from-mri
#1
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
#2
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/29329504/expression-of-vitamin-d-receptor-in-the-subsynovial-connective-tissue-in-women-with-carpal-tunnel-syndrome
#3
Kahyun Kim, Hyun Sik Gong, Jihyeung Kim, Goo Hyun Baek
Studies suggest that low vitamin D levels are associated with carpal tunnel syndrome. We aimed to evaluate whether level of vitamin D receptor expression in the endothelial cells of the subsynovial connective tissue is associated with clinical features of carpal tunnel syndrome. We obtained the subsynovial connective tissue from 52 women with carpal tunnel syndrome during surgery and performed immunohistochemical analysis of vitamin D receptors in the endothelial cells of the subsynovial connective tissue. We explored correlation of vitamin D receptor expression with clinical features of carpal tunnel syndrome, such as age, symptom duration, symptom severity and electrophysiological severity...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29327689/global-spectral-graph-wavelet-signature-for-surface-analysis-of-carpal-bones
#4
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/29322890/an-analysis-of-the-course-of-carpal-tunnel-syndrome-before-operation
#5
P Puchalski, A Zyluk, P Zyluk-Gadowska
This work reports the results of an analysis into the course of carpal tunnel syndrome before operation in 479 patients, predominantly women, aged a mean of 58 years, who were scheduled for carpal tunnel operation. The patients were asked to characterise in detail the course of the disease and what determined the decision to undergo surgery. RESULTS: We identified two specific patterns of CTS course: progressive and preservative/mild. Patients with short-lasting disease suffer first of all from symptoms, but the longer the duration, the more pronounced the functional impairment...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29322873/trends-and-complications-in-open-versus-endoscopic-carpal-tunnel-release-in-private-payer-and-medicare-patient-populations
#6
Sai K Devana, Andrew R Jensen, Kent T Yamaguchi, Anthony D'Oro, Zorica Buser, Jeffrey C Wang, Frank A Petrigliano, Casimir Dowd
PURPOSE: The purpose of this study was to report trends, complications, and costs associated with endoscopic carpal tunnel release (ECTR) and open carpal tunnel release (OCTR). METHODS: Using Current Procedural Terminology (CPT) and International Classification of Diseases, Ninth Revision (ICD-9) codes, patients who had open versus endoscopic carpal tunnel release (CTR) were identified retrospectively in the PearlDiver database from both the Medicare and Humana (a private payer health insurance) populations from 2005 to 2014...
January 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29321702/carpal-tunnel-syndrome-in-obstructive-sleep-apnea-patients
#7
Özgür Bilgin Topçuoğlu, Özlem Oruç, Sema Saraç, Gülgün Çetintaş Afşar, Kayıhan Uluç
Introduction: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity. It is usually associated with the compression of the median nerve in the median groove. Because the main symptoms of CTS pain and numbness worsen at night, sleep disorders in CTS patients and the impact of preferred sleeping position on CTS development have been formerly studied. However, to the best of our knowledge, this is the first study assessing the frequency of CTS in obstructive sleep apnea (OSA) patients...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29320842/carpal-tunnel-syndrome-in-hiv-positive-patients-coinfected-with-hcv
#8
A Mastroianni, F Allegrini, S Nardi, D Donatucci, F Girelli, C Guidi
A wide range of rheumatic and peripheral nervous system disorders may develop in patients with HIV infection, leading to pain, sensory symptoms, and muscle weakness. Over the past three decades, the progress in management of HIV disease with anti-retroviral therapy (ART) has resulted in increased life expectancy for people living with HIV disease. With this new chronicity of the disease has a constellation of chronic musculoskeletal, orthopaedic and rheumatic manifestations has emerged, as potential complications of the disease itself and/or the results of ART treatment regimen and/or because of expected age-related symptoms/manifestations...
December 21, 2017: Reumatismo
https://www.readbyqxmd.com/read/29317055/scapholunate-interosseous-ligament-dysfunction-as-a-source-of-elbow-pain-syndromes-possible-mechanisms-and-implications-for-hand-surgeons-and-therapists
#9
Cigdem Ayhan, Seval Tanrıkulu, Gursel Leblebicioglu
Elbow pain syndromes are common upper extremity musculoskeletal disorders, and they are usually associated with repetitive occupational exposure. Ligaments are often one of the sources of musculoskeletal disorders because of their mechanical and neurological properties. The wrist ligaments are some of the ligaments most vulnerable to occupational exposure. Since most occupational tasks require wrist extension for handling tools and loading, the scapholunate interosseous ligament (SLIL) bears greater strain during loading, which results in creep deformation and hysteresis...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29314551/a-novel-pathogenic-myh3-mutation-in-a-child-with-sheldon-hall-syndrome-and-vertebral-fusions
#10
Marcello Scala, Andrea Accogli, Elisa De Grandis, Anna Allegri, Christoph P Bagowski, Moneef Shoukier, Mohamad Maghnie, Valeria Capra
Sheldon-Hall syndrome (SHS) is the most common of the distal arthrogryposes (DAs), a group of disorders characterized by congenital non-progressive contractures. Patients with SHS present with contractures of the limbs and a distinctive triangular facies with prominent nasolabial folds. Calcaneovalgus deformity is frequent, as well as camptodactyly and ulnar deviation. Causative mutations in at least four different genes have been reported (MYH3, TNNI2, TPM2, and TNNT3). MYH3 plays a pivotal role in fetal muscle development and mutations in this gene are associated with Freeman-Sheldon syndrome, distal arthrogryposis 8 (DA8), and autosomal dominant spondylocarpotarsal synostosis...
January 5, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29314300/low-grade-fibromyxoid-sarcoma-arising-within-the-median-nerve
#11
Amy A Swanson, Caterina Giannini, Andrew L Folpe, Daniel L Van Dyke, Kimberly K Amrami, William A Michalak, Rachael A Vaubel
We report a case of low-grade fibromyxoid sarcoma arising within the median nerve. A 31-year-old woman presented with symptoms of carpal tunnel syndrome and an enlarging mass in her right palm over 1 year. MRI demonstrated a mass associated with the right median nerve with solid and cystic components. At surgery, the mass was located within the epineurium, could be bluntly dissected from the nerve fascicles, and was suspected to be a schwannoma. A 3.4 cm, tan-pink, glistening, smooth, homogenous mass was submitted to pathology...
January 3, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29310416/medium-term-outcome-of-closed-radial-wedge-osteotomy-of-the-distal-radius-for-preiser-disease-with-concomitant-kienb%C3%A3-ck-disease-two-case-reports-and-a-literature-review
#12
Yuji Tomori, Takuya Sawaizumi, Nanno Mitsuhiko, Shinro Takai
RATIONALE: Idiopathic avascular necrosis of the scaphoid or lunate bone are known as Preiser disease and Kienböck disease, respectively. Although there are reports of avascular necrosis involving more than one carpal bone, concurrent idiopathic avascular necrosis of the scaphoid and lunate bones is rare, with only five cases reported in the English literature (including the two herein). Although the optimum treatment for Preiser disease with concomitant Kienböck disease has not been established, our cases underwent closed radial wedge osteotomy based on the evidence of satisfactory outcomes for treating Kienböck disease...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29310414/left-extensive-infection-in-the-forearm-caused-by-whitlow-infected-by-mycobacterium-tuberculosis-a-case-report
#13
Tao Wang, Gang Zhao, Yong-Jun Rui, Zheng-Feng Lu, Jing-Yi Mi
INTRODUCTION: Whitlow is a common disease in clinic, characterized by pain and swelling of finger. However, few articles had reported on extensive infection in the forearm caused by whitlow infected by mycobacterium tuberculosis (MTB). PATIENT CONCERNS: A 70-year-old Chinese female complained of fester in back of left hand for 5 days. She had a history of recurrent whitlow for 14 months and pulmonary tuberculosis (TB). She received treatment in another hospital due to whitlow on July 2016...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29307812/neurodynamic-techniques-versus-sham-therapy-in-the-treatment-of-carpal-tunnel-syndrome-a-randomized-placebo-controlled-trial
#14
Tomasz Wolny, Paweł Linek
OBJECTIVES: To evaluate the efficacy of neurodynamic techniques used as the sole therapeutic component compared with "sham" therapy in the treatment of mild and moderatecarpal tunnel syndromes (CTS). DESIGN: Single blinded, randomized placebo-controlled trial. SETTING: Several medical clinics in the south of Poland. PARTICIPANTS: Volunteer sample of 150 patients diagnosed with CTS. MAIN OUTCOME MEASURES: Symptom severity (SSS) and Functional status (FSS) of Boston Carpal Tunnel Questionnaire (BCTQ)...
January 4, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29306239/comparing-the-effectiveness-of-ultrasound-guided-versus-blind-steroid-injection-in-the-treatment-of-severe-carpal-tunnel-syndrome
#15
Özgür Zeliha Karaahmet, Eda Gürçay, Murat Kara, Azize Serçe, Zeynep Kıraç Ünal, Aytül Çakcı
Background/aim: This study aimed to compare the effectiveness of ultrasound (US)-guided injection versus blind injection of corticosteroids in the treatment of carpal tunnel syndrome (CTS). Materials and methods: This prospective, randomized clinical trial included patients with severe CTS based on clinical and electrophysiological criteria. The patients were evaluated for clinical and electrophysiological parameters at baseline and 4 weeks after treatment. Symptom severity and hand function were assessed by the Boston questionnaire...
December 19, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29305609/does-wrist-laxity-influence-3d-carpal-bone-motion
#16
Gordie Best, Michelle Zec, David Pichora, Robin Kamal, Michael J Rainbow
Previous 2D studies have shown that there is a spectrum of carpal mechanics that varies between row-type motion and column-type motion as a function of wrist laxity. More recent 3D studies have suggested instead that carpal bone motion is consistent across individuals. The purpose of this study was to use 3D methods to determine whether carpal kinematics differ between stiffer wrists and wrists with higher laxity. Wrist laxity was quantified using a goniometer in 10 subjects by measuring passive wrist flexion-extension range of motion...
January 5, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29305236/psychological-status-is-associated-with-symptom-severity-in-patients-with-carpal-tunnel-syndrome
#17
Young Ho Shin, Jun O Yoon, You Keun Kim, Jae Kwang Kim
PURPOSE: The purpose of this study was to investigate whether psychological status is associated with symptom severity or functional disability of carpal tunnel syndrome (CTS) patients. PATIENTS AND METHODS: Sixty patients diagnosed with CTS and treated with carpal tunnel release (CTR) were asked to complete a self-administered questionnaire consisting of 3 validated measures obtained before and 3 months after surgery. The Boston Carpal Tunnel Questionnaire (BCTQ) was administered to assess symptoms (BCTQ-S) and functional disabilities (BCTQ-F), and the Center for Epidemiologic Studies Depression Scale (CES-D) and Pain Anxiety Symptoms Scale (PASS) were administered to assess depression and pain anxiety...
January 3, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29303435/treatment-of-scaphoid-and-carpal-injuries
#18
Steve K Lee, Scott W Wolfe
No abstract text is available yet for this article.
January 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29302140/neurogenic-edema-from-complex-regional-pain-syndrome-resulting-in-fulminant-infection-necessitating-below-elbow-amputation
#19
Daniel P Carpenter, Reid W Draeger
We report a case of severe upper extremity complex regional pain syndrome type 1 (CRPS-1) and neurogenic edema that ultimately led to a medically necessary below-elbow amputation. The patient presented with a history of remote bilateral carpal tunnel release complicated by debilitating and recalcitrant bilateral CRPS-1. Following years of severe neurogenic edema of the left upper extremity, the patient had full-thickness skin sloughing on the dorsum of her hand due to massive edema. This subsequently led to maggot infestation of the soft tissues of the left hand ultimately necessitating amputation...
December 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/29299502/evaluation-of-normal-ranges-of-wrist-radiologic-indexes-in-mashhad-population
#20
Tohid Vaezi, Golnaz Ghayyem Hassankhani, Mohammad H Ebrahimzadeh, Ali Moradi
Hand and wrist radiographic indexes such as radial inclination, ulnar variance, carpal height ratio, and radial tilt play an important role in the diagnosis and management of medical disorders, so they should be modified regarding the population and race difference. This study aims to compare the normal radiologic wrist indexes in Mashhad population with other existing databases and define some of the factors that may influence the normal radiographic indexes. A total of 100 healthy participants were enrolled in this prospective cross-sectional study...
November 2017: Archives of Bone and Joint Surgery
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