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Adv Biomed Res. 2016 Mar 16;5:32. doi: 10.4103/2277-9175.178793. eCollection 2016.

Clinical and electrodiagnostic findings in cyhalothrine poisoning.

Advanced biomedical research

Keivan Basiri, Mohammad Reza Mohaghegh, Somayyeh Sadat Teimouri, Ali Asghar Okhovat

Affiliations

  1. Department of Neurology, Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
  2. Department of Neurology, Kashani Hospital, Shahre-Kord University of Medical Sciences, Shahre-Kord, Iran.

PMID: 27099845 PMCID: PMC4815519 DOI: 10.4103/2277-9175.178793

Abstract

Acute onset bulbar symptoms with respiratory failure and descending paralysis may occur in several neuromuscular disorders including variants of Guillain-Barre syndrome (GBS), diphtheria, botulism and toxins. We present a 51-year-old man who presented with complains of ptosis and dyspnea following pyrethroids spraying in an enclosed area for eradication of flea. Within 5-6 days of admission limb weakness, dysphagia, dysarthria, blurred vision, diplopia, tremor and respiratory distress added to previous symptoms. Temporal profile of events after exposure, development of similar symptoms in patient's son, electrodiagnostic findings and exclusion of other etiologies confirms intoxication etiology. We reviewed the literature and provide an extensive electrodiagnostic overview.

Keywords: Cyhalothrin; electrodiagnosis; polyneuropathy; pyrethroids

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