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2003, Number 3-4

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Rev Mex Med Fis Rehab 2003; 15 (3-4)

Electromyographic abnormalities in patients with chronic regional endemic hydroarsenic disease at La Comarca Lagunera (Mexico)

García SJJ, Olivas MG, Hernández SMC, Sanmiguel SMF, González DN

Language: Spanish
References: 13
Page: 75-78
PDF size: 44.22 Kb.


ABSTRACT

Before the existence of clinical evidence of possible nervous peripheral damage (sensory and motor) in patients with regional endemic hydroarsenic chronic (REHC) in La Comarca Lagunera (Mexico), without vascular pathology that could interfere with the nervous peripheral functioning; we’ve decided carring out the electromyography in 22 subjects: 10 controls and 12 with clinical data of REHC (hypopigmentation, hyperpigmentation and hyperkeratosis in palms and soles may develop). We use a electromyograph TCA model TE4, determining sensory and distal motor latency, as motor nerve conduction velocity (MNCV) of the median, ulnar, radial, sural, peroneal and tibial nerves. The study EMG revealed that the patients with REHC were presenting prolongation of the sensory and distal motor latency, as well as decrease of the MNCV, to comparison of the subjects control. The alterations prevailed in the upper extremities, being boss of type neuropathic generally in the same ones, whereas only there was sensory affection in the low members. The sensory affection in patients with REHC can explain because pain does not demonstrate when they present injuries ischemic vascular or cancer.


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