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Iran J Basic Med Sci 2015 Aug;18(8):737-44

Department of Medicine, College of Medicine, Al-Nahrain University, Baghdad, Iraq.

Objectives: In this study, we aimed at evaluation of electrophysiological and histopathalogical characteristics of statin-induced muscle injury as well as clinical features of patients who develop this condition in terms of frequency and pattern of evolution.

Materials And Methods: Forty patients (age 39-74 years) including 25 subjects with type 2 diabetes mellitus, 9 with cardiovascular diseases and 6 with hyperlipidemia, who were receiving atrovastatin 40 mg/day for variable period, were studied. Thirty three healthy subjects (age 31-74 years) served as control group. Read More

Phys Med Rehabil Clin N Am 2013 Feb 16;24(1):193-207. Epub 2012 Oct 16.

Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA 02114, USA.

Electrodiagnostic studies play an important role in the evaluation of patients suspected of having a myopathic disorder. They are used to exclude alternative diagnoses, confirm the presence of muscle disease, narrow down the differential, and identify an appropriate biopsy site. The most informative part of the electrodiagnostic study is needle electromyography. Read More

Arch Neurol 2012 Aug;69(8):1032-8

Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA.

Objective: To better characterize the clinical features, electrophysiologic features, and treatment outcomes of painful legs and moving toes (PLMT) syndrome.

Design: Large case series.

Setting: Neurology outpatient clinic at a tertiary referral center, 1983-2011. Read More

J Shoulder Elbow Surg 2011 Sep 1;20(6):983-8. Epub 2011 Feb 1.

Harvard Shoulder Service, Massachusetts General Hospital, Boston, MA 02114, USA.

Hypothesis: Suprascapular neuropathy (SSN) is considered a rare condition, and few studies have analyzed how commonly it is encountered in practice. Electrophysiologic studies are the gold standard for diagnosis; however, there is no consensus on diagnostic criteria. We hypothesized that SSN would be frequently diagnosed by electrophysiologic testing in a subset of patients with specific clinical and radiographic findings suggestive of the pathology. Read More

Laryngoscope 2009 Aug;119(8):1644-51

Department of Otolaryngology, the New York Eye and Ear Infirmary, New York and New York Medical College, Valhalla, USA.

Objectives/hypothesis: To evaluate standardized recurrent laryngeal nerve (RLN) injuries using a rat model via minimally invasive transoral electromyography (ToL EMG) and histologic studies.

Methods: Forty-two female Sprague Dawley rats weighing 200 g to 250 g underwent crush injury to the right RLN using a calibrated pressure clip (0.61 N or 1. Read More

Neurol Neurochir Pol 2001 ;35(1 Suppl):11-24

Kliniki Neurologicznej AM w Warszawie.

In diagnostics of ALS the electrophysiologic investigation should be able to evaluate two fundamental processes: the primary process of the loss of some motoneuros--denervation, and secondary process of reinnervation. The most important diagnostic methods include the quantitative electromyography (EMG) evaluating several parameters of the motor unit potential (MUP) and of the maximal effort pattern. The earliest features are the signs of spontaneous activity (denervation) and the elevation of MUP amplitude and area (reinnervation). Read More

J Spinal Cord Med 1996 Oct;19(4):242-8

Department of Rehabilitation Medicine, University of Washington, Seattle, USA.

Five patients with spinal cord infarction underwent electrophysiologic evaluation. Two subjects with complete paralysis had absent compound muscle action potentials (M-responses), suggesting complete loss of lower motoneurons (LMN). Three subjects with incomplete cord infarction had preserved M-responses, reduced voluntary recruitment and abnormally slow motor-unit firing rates during maximal effort, suggesting upper motoneuron (UMN) weakness. Read More