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Radial tunnel syndrome

Kavin Khatri, Vijay Sharma, Kamran Farooque, Vivek Tiwari
BACKGROUND: Unstable distal end radius fractures are difficult to manage and so various treatment modalities have been described. The use of variable-angle locking plates is promoted for the management of these fractures. OBJECTIVES: This study aimed to evaluate the functional and radiological outcomes in unstable distal end radius fractures treated with variable-angle locking plates. PATIENTS AND METHODS: We reviewed 23 unstable distal end radius fractures that were treated at our institution with volar variable-angle locking plates...
June 2016: Archives of Trauma Research
Daniel Chiung Jui Su, Mei-Chen Yeh, Willy Chou
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Elizabeth M Pinder, Chye Yew Ng
The scratch collapse test (SCT) is a relatively new clinical test in which a positive result implies entrapment neuropathy of the nerve tested. Initially described for carpal and cubital tunnel syndromes, subsequent authors have found it useful for the assessment of median, ulna, radial, axillary, and common peroneal nerves. We report a case illustrating the value of the SCT in the clinical assessment of thoracic nerve entrapment.
August 2016: Journal of Hand and Microsurgery
Zinon T Kokkalis, Konstantinos E Tolis, Panayiotis D Megaloikonomos, Georgios N Panagopoulos, Vasilios G Igoumenou, Andreas F Mavrogenis
Anatomical vascular variations are rare causes of carpal tunnel syndrome. An aberrant medial artery is the most common vascular variation, while an aberrant radial artery causing carpal tunnel syndrome is even more rare, with an incidence ranging less than 3%. This article reports a patient with compression of the median nerve at the carpal tunnel by an aberrant superficial branch of the radial artery. An 80- year- old man presented with a 5-year history of right hand carpal tunnel syndrome; Tinel sign, Phalen test and neurophysiological studies were positive...
June 2016: Archives of Bone and Joint Surgery
Thaís Rodrigues, Pablo Brea Winckler, Vitor Félix-Torres, Pedro Schestatsky
INTRODUCTION: Carpal tunnel syndrome (CTS) is the most common nerve entrapment in clinical practice affecting the median nerve at the wrist level. Most electrophysiological ways to diagnose CTS are painful, time consuming and with a variable sensitivity. AIMS: To assess the accuracy of an unusual test for CTS investigation and correlate it with clinical symptoms. METHODS: Initially, we applied a visual analogue scale for CTS discomfort (CTS-VAS) and performed a standard electrophysiological test for CTS diagnosis (median-ulnar velocity comparison)...
April 26, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Hiroshi Satake, Naomi Hanaka, Ryusuke Honma, Tadayoshi Watanabe, Shigeru Inoue, Yumiko Kanauchi, Yoshihiro Kato, Taku Nakajima, Daisuke Sato, Jun Eto, Masahiro Maruyama, Yasushi Naganuma, Junya Sasaki, Shuji Toyono, Mikio Harada, Daisuke Ishigaki, Masatoshi Takahara, Michiaki Takagi
The current study investigated the incidence of complications after surgery for distal radial fractures. This multicenter retrospective study was conducted at 11 institutions. A total of 824 patients who had distal radius fractures that were treated surgically between January 2010 and August 2012 were identified. The study patients were older than 18 years and were observed for at least 12 weeks after surgery for distal radius fractures with a volar locking plate. Sex, age, fracture type according to AO classification, implants, wrist range of motion, grip strength, fracture consolidation rate, and complications were studied...
September 1, 2016: Orthopedics
David Kachlik, Marek Konarik, Jitka Riedlova, Vaclav Baca
This article reviews in detail the superficial brachiomedian artery (arteria brachiomediana superficialis), a very rare variant of the main arterial trunks of the upper limb. It branches either from the axillary artery or the brachial artery, descends superficially in the arm (similar to the course of the superficial brachial artery) and continues across the cubital fossa, runs superficially in the forearm, approaches the median nerve and enters the carpal canal to reach the hand. It usually terminates in the superficial palmar arch...
2016: Bosnian Journal of Basic Medical Sciences
César Fernández-de-Las-Peñas, Juan J Fernández-Muñoz, Esperanza Navarro-Pardo, Ricardo F da-Silva-Pocinho, Silvia Ambite-Quesada, Juan A Pareja
OBJECTIVE: Identification of subjects with different sensitization mechanisms can help to identify better therapeutic strategies for carpal tunnel syndrome (CTS). The aim of the current study was to identify subgroups of women with CTS with different levels of sensitization. METHODS: A total of 223 women with CTS were recruited. Self-reported variables included pain intensity, function, disability, and depression. Pressure pain thresholds (PPT) were assessed bilaterally over median, ulnar, and radial nerves, C5-C6 joint, carpal tunnel, and tibialis anterior to assess widespread pressure pain hyperalgesia...
September 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
Ye-cheng Li, Wei Zhang, Shou-zheng Liu, Cheng-liang Zhang, Hong-jun Wang
OBJECTIVE: To assess the clinical effectiveness of volar and radial column approach by plate fixation for the treat- ment of unstable fracture of distal radius. METHODS: According to Cochrane Systematic Review, Medline, Embase, Cochrane Li- brary, CNKI and CBM, randomised controlled trials (RCTs) of volar and radial column approach by plate fixation for the treat- ment of unstable fracture of distal radius were searched for from 1966 to 2014. Data analysis was performed with the Cochrane Collaboration's RevMan 5...
January 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Eman M Khedr, Gharib Fawi, Mohammed Abd Allah Abbas, Noha Abo El-Fetoh, Ahmed F Zaki, Ayman Gamea
BACKGROUND: No epidemiological studies on the prevalence of compressive neuropathy have been undertaken in Arab countries. The aim of the study was to estimate the prevalence of the most common types of compressive neuropathies in Qena governorate/Egypt. METHODS: The study was part of a community-based survey carried out to assess the prevalence of neuromuscular disorders among the Qena population. A random sampling of 10 districts, 5,039 inhabitants aged ≥20...
2016: Neuroepidemiology
Jordan M Brown, Corrie M Yablon, Yoav Morag, Catherine J Brandon, Jon A Jacobson
Ultrasonography (US) has become a first-line modality for the evaluation of the peripheral nerves of the upper extremity. The benefits of US over magnetic resonance (MR) imaging include higher soft-tissue resolution, cost effectiveness, portability, real-time and dynamic imaging, and the ability to scan an entire extremity quickly and efficiently. US can be performed on patients who are not eligible for MR imaging. Metallic implant artifacts are usually not problematic. US has been shown to have equal specificity and greater sensitivity than MR imaging in the evaluation of peripheral nerves...
March 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Christiane Mhanna, Tamara L Marquardt, Zong-Ming Li
The transverse carpal ligament (TCL) plays a critical role in carpal tunnel biomechanics through interactions with its surrounding tissues. The purpose of this study was to investigate the in vivo adaptations of the TCL's mechanical properties in response to repetitive hand use in pianists using acoustic radiation force impulse (ARFI) imaging. It was hypothesized that pianists, in comparison to non-pianists, would have a stiffer TCL as indicated by an increased acoustic shear wave velocity (SWV). ARFI imagining was performed for 10 female pianists and 10 female non-pianists...
2016: PloS One
Steven Jason Crellin, Kenneth D Katz
Suicide attempt via sodium pentobarbital is uncommon. A 48-year-old woman with a history of depression and prior suicide attempt was found unresponsive by her veterinarian spouse near a syringe containing pink solution. Upon EMS' arrival, the patient was experiencing apnea, hypoxemia, and miotic pupils; her blood glucose level measured 73 mg/dL. She was bradycardic and administered atropine with transient improvement in heart rate and transported to an emergency department; 2 mg of intravenous naloxone was administered without effect...
2016: Case Reports in Emergency Medicine
J Wang, L Zhang, J Ma, Y Yang, H Jia, X Ma
UNLABELLED: We conducted a meta-analysis of randomized controlled trials that compared the use of intramedullary nails and volar locking plates in distal radial fractures. PubMed, EMBASE and the Cochrane Collaboration Central database were used to find randomized controlled trials that met the eligibility criteria. Two reviewers screened the studies, extracted the data, evaluated the methodological quality and analysed the data with RevMan 5.1 software. No statistically significant differences were detected in the disability of the arm, shoulder and hand and the Gartland and Werley scores, radiographic parameters, wrist range of motion, grip strength, total complication rate and incidence of tendon rupture between the two groups...
June 2016: Journal of Hand Surgery, European Volume
Tai-Tzung Kuo, Ming-Ru Lee, Yin-Yin Liao, Jiann-Perng Chen, Yen-Wei Hsu, Chih-Kuang Yeh
Carpal tunnel syndrome (CTS) is the most common peripheral neuropathy and is characterized by median nerve entrapment at the wrist and the resulting median nerve dysfunction. CTS is diagnosed clinically as the gold standard and confirmed with nerve conduction studies (NCS). Complementing NCS, ultrasound imaging could provide additional anatomical information on pathological and motion changes of the median nerve. The purpose of this study was to estimate the transverse sliding patterns of the median nerve during finger movements by analyzing ultrasound dynamic images to distinguish between normal subjects and CTS patients...
2016: PloS One
Tamara L Marquardt, Peter J Evans, William H Seitz, Zong-Ming Li
The purpose of this study was to investigate the morphological changes of the carpal arch and median nerve during the application of radiounlarly directed compressive force across the wrist in patients with carpal tunnel syndrome. Radioulnar compressive forces of 10 N and 20 N were applied at the distal level of the carpal tunnel in 10 female patients diagnosed with carpal tunnel syndrome. Immediately prior to force application and after 3 min of application, ultrasound images of the distal carpal tunnel were obtained...
July 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Yung-Tsan Wu, Ming-Jen Ke, Yu-Ching Chou, Chih-Ya Chang, Ching-Yueh Lin, Tsung-Ying Li, Feng-Mei Shih, Liang-Cheng Chen
Three recent studies demonstrated the positive effect of extracorporeal shock wave therapy (ESWT) for treating carpal tunnel syndrome (CTS). However, none have entirely proved the effects of ESWT on CTS because all studies had a small sample size and lacked a placebo-controlled design. Moreover, radial ESWT (rESWT) has not been used to treat CTS. We conducted a prospective randomized, controlled, double-blinded study to assess the effect of rESWT for treating CTS. Thirty-four enrolled patients (40 wrists) were randomized into intervention and control groups (20 wrists in each)...
June 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Matthew T Houdek, Eric R Wagner, Alexander Y Shin
PURPOSE: Carpal tunnel syndrome is a common entrapment neuropathy. When conservative management fails to relieve symptoms, carpal tunnel surgery is indicated. The surgical exposure for this procedure is commonly based on variable anatomic landmarks. The purpose of this study was to describe a fixed, easily referenced anatomical landmark for the distal extension of the transverse carpal ligament, the "Cup of Diogenes." MATERIALS AND METHODS: Topographical landmarks including Kaplan cardinal line, palmaris tendon, and distal palmer crease were marked on six fresh frozen cadaveric wrist and hand specimens...
December 2015: Hand: Official Journal of the American Association for Hand Surgery
E Vergara-Amador, A Ramírez
INTRODUCTION: The cause of the tunnel syndrome is the entrapment of the posterior interosseous nerve, and can occur due to different anatomic structures, the arcade of Frohse being the main one of them. PURPOSE: To describe the anatomic relation between the extensor carpi radialis brevis (ECRB) muscle and the motor branch of the radial nerve at its entrance under the arcade of Frohse. MATERIALS AND METHODS: An anatomic dissection of 21 elbows of fresh human cadavers was conducted, describing the deep aponeurosis and the superomedial tendinous arch of ECRB and its relation with the motor branch of the radial nerve...
December 2015: Orthopaedics & Traumatology, Surgery & Research: OTSR
S A Mirghasemi, S Rashidinia, M S Sadeghi, M Talebizadeh, N Rahimi
OBJECTIVES: There are various pin-in-plaster methods for treating fractures of the distal radius. The purpose of this study is to introduce a modified technique of 'pin in plaster'. METHODS: Fifty-four patients with fractures of the distal radius were followed for one year post-operatively. Patients were excluded if they had type B fractures according to AO classification, multiple injuries or pathological fractures, and were treated more than seven days after injury...
November 2015: Bone & Joint Research
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