Paradoxical effect of isoproterenol on hamster hereditary polymyopathy.

abstract：INTRODUCTION:In Duchenne muscular dystrophy (DMD), fat replacement of muscle may be a useful endpoint in trials of therapy, although progression in different muscle groups is uneven. In this study we assessed the progression of fat replacement with T(1) -weighted imaging over 2 9-month periods. METHODS:Eight ambulant,...

journal_title：Muscle & nerve

authors： Hollingsworth KG,Garrood P,Eagle M,Bushby K,Straub V

更新日期：2013-10-01 00:00:00

abstract：INTRODUCTION:Hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors, or statins, are widely used drugs for hyperlipidemia and are generally well-tolerated, but the can produce skeletal muscle toxicity. The molecular mechanisms driving statin myopathy are unknown. We investigated the effects of statin treatment...

journal_title：Muscle & nerve

authors： Hubal MJ,Reich KA,De Biase A,Bilbie C,Clarkson PM,Hoffman EP,Thompson PD

更新日期：2011-09-01 00:00:00

abstract：INTRODUCTION:Accuracy of needle electromyography is typically ensured by use of anatomical landmarks and auditory feedback related to voluntary activation of the targeted muscle; however, in certain clinical situations, landmarks may not be palpable, auditory feedback may be limited or not present, and targeting a spec...

journal_title：Muscle & nerve

authors： Boon AJ,Oney-Marlow TM,Murthy NS,Harper CM,McNamara TR,Smith J

更新日期：2011-07-01 00:00:00

abstract：:Action potentials of rabbit masseter motor units (n = 42) were registered at different jaw angles to examine whether the shape of the action potential is related to length of muscle fibers in motor units and depends on the intramuscular location of the motor unit. Twitches were elicited by stimulating motoneurons in t...

journal_title：Muscle & nerve

authors： Turkawski SJ,van Eijden TM

更新日期：2001-11-01 00:00:00

abstract：:The electrical characteristics of myotonia in skeletal muscle appear remarkably similar in a variety of natural disorders and animal models. Recent experimental work has made it clear, however, that the pathophysiologic mechanisms underlying these myotonic discharges can be quite different. A mechanistic classificatio...

journal_title：Muscle & nerve

authors： Barchi RL

更新日期：1982-01-01 00:00:00

abstract：:We have developed an algorithm, called multi-motor unit action potential analysis (MMA), to aid quantification in routine needle EMG examination. In only 5-8 min, it was possible to extract, analyze, and validate 20 motor unit action potentials (MUAPs). In the biceps muscle of normal subjects, the MUAP measurements ar...

journal_title：Muscle & nerve

authors： Nandedkar SD,Barkhaus PE,Charles A

更新日期：1995-10-01 00:00:00

abstract：:The purpose of this study was to investigate the influence of an 8-week resistance training program on force steadiness and common drive for the vastus lateralis muscle. Eight untrained men performed a resistance training program. Before the program and at the end of each week, the subjects performed a trapezoid isome...

journal_title：Muscle & nerve

authors： Beck TW,Defreitas JM,Stock MS,Dillon MA

更新日期：2011-02-01 00:00:00

abstract：:We have identified a novel missense mutation in the myophosphorylase gene in a Spanish patient with McArdle's disease. The patient was homozygous for a T-to-C transition at codon 115 (L115P) in exon 3, which changed an encoded leucine (CUG) to a proline (CCG). This is the first mutation to be described in exon 3 and i...

journal_title：Muscle & nerve

authors： Gamez J,Fernandez R,Bruno C,Andreu AL,Cervera C,Navarro C,Schwartz S,Dimauro S

更新日期：1999-08-01 00:00:00

abstract：:Intraoperative electrophysiological monitoring of the spinal cord has traditionally been done by recording somatosensory evoked potentials (SEP). There is a risk that SEPs can be unaltered when significant injury to the anterior spinal cord has occurred. The purpose of this report is to describe a simple technique for...

journal_title：Muscle & nerve

authors： Phillips LH 2nd,Blanco JS,Sussman MD

更新日期：1995-03-01 00:00:00

abstract：:We describe a consanguineous family that had progressive myopathy with rimmed vacuole (RV) formation and amyloid deposition. Patient 1 is a 71-year-old woman with muscle atrophy in the lumbar girdle and lower extremities. Patient 2 is a 40-year-old man (the son of Patient 1) with fatty changes in the biceps femoris mu...

journal_title：Muscle & nerve

authors： Kojima Y,Sakai K,Ishida C,Asaka T,Hamaguchi T,Nozaki I,Fukushima K,Tsuchiya A,Kametani F,Yazaki M,Okino S,Yamada M

更新日期：2009-09-01 00:00:00

abstract：:Eleven patients with previous polio were studied. The concentration of energy-related metabolites and energy charge was measured from the vastus lateralis muscle, as was isometric muscle strength of knee extension. Cross-sectional area of the quadriceps femoris muscle was calculated from magnetic resonance imaging. Re...

journal_title：Muscle & nerve

authors： Nordgren B,Falck B,Stålberg E,Ronquist G,Waldenström A,Ahlström H,Hemmingson A

更新日期：1997-11-01 00:00:00

abstract：:Ultrasound (US) technique was applied to measure the thickness, cross-sectional area (CSA), and internal structure of the quadriceps muscle in 70- to 80-year-old endurance and power athletes and untrained men. Isometric knee extension strength was higher in the power athletes than in the other groups. The mean values ...

journal_title：Muscle & nerve

authors： Sipilä S,Suominen H

更新日期：1991-06-01 00:00:00

abstract：INTRODUCTION:An enlarged tongue (macroglossia) has been reported in advanced-stage patients with amyotrophic lateral sclerosis (ALS). METHODS:In this study we examined the prevalence of macroglossia and analyzed clinical correlations in 65 ALS patients on tracheostomy-invasive ventilation (TIV). RESULTS:Macroglossia ...

journal_title：Muscle & nerve

authors： Matsuda C,Shimizu T,Nakayama Y,Haraguchi M,Hakuta C,Itagaki Y,Ogura A,Murata K,Taira M,Numayama T,Kinoshita M

更新日期：2016-09-01 00:00:00

abstract：:Multifocal motor neuropathy (MMN) is a chronic, immune-mediate, peripheral myelinopathy. Inherent in its name, MMN implies involvement of two or more motor nerves. We report three patients with weakness and partial motor conduction block restricted to a single nerve and localized to sites that are not at risk for entr...

journal_title：Muscle & nerve

authors： Felice KJ,Goldstein JM

更新日期：2002-05-01 00:00:00

abstract：:We report the case of a 27-year-old man treated for bilateral optic neuritis 5 and 3 years before who within a few months developed sensorimotor disorders of the arms and legs characterized by asymmetric distribution and distal prominence. In addition to sensorimotor defects, which were particularly marked in the left...

journal_title：Muscle & nerve

authors： Péréon Y,Jardel J,Guillon B,Guihéneuc P

更新日期：1994-11-01 00:00:00

abstract：:The nosologic distinction between paramyotonia congenita and hyperkalemic periodic paralysis is somewhat blurred. Muscle membrane inexcitability induced by cooling seems to be characteristic of paramyotonia congenita. The effect of cooling on the maximal compound muscle action potential (CMAP) in patients with paramyo...

journal_title：Muscle & nerve

authors： Subramony SH,Wee AS,Mishra SK

更新日期：1986-10-01 00:00:00

abstract：:The aim of this study was to investigate in control subjects the effect of imagery training on the torque of plantar-flexor muscles of the ankle. Twenty-nine subjects were allocated to one of three groups that performed either imagery training, low-intensity strength training, or no training (only measurements). The l...

journal_title：Muscle & nerve

authors： Zijdewind I,Toering ST,Bessem B,Van Der Laan O,Diercks RL

更新日期：2003-08-01 00:00:00

abstract：:There is a paucity of validated tests to quantify hand function impairment due to carpal tunnel syndrome (CTS). The aim of this study was to test the validity and reliability of the Purdue Pegboard Test (PPT) in CTS patients. We compared 190 CTS patients with 122 healthy, age-matched controls. CTS severity was determi...

journal_title：Muscle & nerve

authors： Amirjani N,Ashworth NL,Olson JL,Morhart M,Chan KM

更新日期：2011-02-01 00:00:00

abstract：:Intensive care unit-acquired weakness (ICU-AW) causes significant morbidity and impairment in critically ill patients. Recent advances in neuromuscular ultrasound (NMUS) allow evaluation of neuromuscular pathology early in critical illness. Here we review application of ultrasound in ICU-AW. MEDLINE-indexed articles w...

journal_title：Muscle & nerve

authors： Bunnell A,Ney J,Gellhorn A,Hough CL

更新日期：2015-11-01 00:00:00

abstract：:Genetic testing is rapidly becoming an increasingly significant part of the diagnostic armamentarium of neuromuscular clinicians. Although technically easy to order, the results of such testing, whether positive or negative, have potentially enormous consequences for the individual tested and for family members. As a ...

journal_title：Muscle & nerve

authors： Su X,Kang PB,Russell JA,Simmons Z

更新日期：2016-12-01 00:00:00

abstract：INTRODUCTION:The risk of cancer in patients diagnosed with myotonic dystrophy (DM) is reported for the homogeneous Utah population. METHODS:Clinical data accessed from the largest Utah healthcare providers have been record-linked to the Utah Population Database, a population-based resource also linked to the Utah Canc...

journal_title：Muscle & nerve

authors： Abbott D,Johnson NE,Cannon-Albright LA

更新日期：2016-10-01 00:00:00

abstract：:This study contrasts the developmental patterns of expression of 2 subtypes of the voltage-dependent sodium channel in rat muscle that are differentiated by their immunoreactivity with monoclonal antibodies raised to the purified muscle sodium channel protein. One subtype is found in the transverse tubular (T) system ...

journal_title：Muscle & nerve

authors： Schotland DL,Fieles W,Barchi RL

更新日期：1991-02-01 00:00:00

abstract：INTRODUCTION:Changes in subsynovial connective tissue (SSCT) in carpal tunnel syndrome (CTS) patients may result in altered dynamics; consequently, quantification of these dynamics might support objective diagnosis of CTS. METHODS:We measured and compared longitudinal excursion of the flexor digitorum superficialis an...

journal_title：Muscle & nerve

authors： Korstanje JW,Scheltens-De Boer M,Blok JH,Amadio PC,Hovius SE,Stam HJ,Selles RW

更新日期：2012-05-01 00:00:00

abstract：:Peripheral nerve disorders are commonly encountered in clinical practice. Electrodiagnostic studies remain the cornerstone of the evaluation of nerve disorders. More recently, ultrasound has played an increasing complementary role in the neuromuscular clinic. Ultrasound elastography is a technique that measures the el...

journal_title：Muscle & nerve

authors： Wee TC,Simon NG

更新日期：2019-11-01 00:00:00

abstract：INTRODUCTION:The distribution of clinical and neurophysiological abnormalities in patients with early amyotrophic lateral sclerosis (ALS) was investigated in an attempt to delineate patterns of disease spread. METHODS:Clinical and electrodiagnostic data were collected from 150 ALS patients and analyzed based on the cl...

journal_title：Muscle & nerve

authors： Simon NG,Lomen-Hoerth C,Kiernan MC

更新日期：2014-12-01 00:00:00

abstract：:Tenotomy is a commonly encountered clinical entity, whether traumatic or iatrogenic. This article reviews the response of skeletal muscle to tenotomy. The changes are subdivided into molecular, architectural, and functional categories. Architectural disruption of the muscle includes myofiber disorganization, central c...

journal_title：Muscle & nerve

authors： Jamali AA,Afshar P,Abrams RA,Lieber RL

更新日期：2000-06-01 00:00:00

abstract：INTRODUCTION:The p.A1156T mutation alters the function of the voltage-gated sodium channel Nav1.4 on the muscle sarcolemma, causing a channelopathy without overt myotonia or periodic paralysis but with myalgic pain. METHODS:A postal survey was conducted to assess the prevalence and characteristics of pain and related ...

journal_title：Muscle & nerve

authors： Suokas K,Palmio J,Sandell S,Udd B,Hietaharju A

更新日期：2018-06-01 00:00:00

abstract：:Clinical testing for neuromuscular dysfunction is supported by an extensive amount of excellent basic information about normal and abnormal subcellular physiology and ultrastructure. This information provides an essential frame of reference for describing the rationale of single-fiber electromyography (SFEMG). SFEMG i...

journal_title：Muscle & nerve

authors： Keesey JC

更新日期：1989-08-01 00:00:00

abstract：:Although paraspinal muscle fibrillations and positive sharp waves (PSWs) are used to help identify neuromuscular disorders, the frequency of these abnormalities in normal subjects is uncertain. We performed lumbosacral paraspinal electromyography in 65 normal subjects. Twenty-seven (42%) had fibrillations and/or PSWs,...

journal_title：Muscle & nerve

authors： Nardin RA,Raynor EM,Rutkove SB

更新日期：1998-10-01 00:00:00

abstract：:At least 50 disease-causing mutations in the skeletal muscle voltage-gated chloride channel gene (CLCN1), almost all of which originate from Caucasian families, have been identified. We investigated a Japanese family with Thomsen's myotonia congenita that included 16 affected individuals (8 men and 8 women) through fi...

journal_title：Muscle & nerve

authors： Sasaki R,Ito N,Shimamura M,Murakami T,Kuzuhara S,Uchino M,Uyama E

更新日期：2001-03-01 00:00:00