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Poisoning severity score, Glasgow coma scale, corrected QT interval in acute organophosphate poisoning.

Abstract
The aim of this study was to investigate effectiveness of the poisoning severity score (PSS), Glasgow coma scale (GCS), and corrected QT (QTc) interval in predicting outcomes in acute organophosphates (OP) poisoning. Over a period of 2 years, 62 patients with OP poisoning were admitted to emergency department (ED) of Erciyes University Medical School Hospital. The age, sex, cause of contact, compound involved, time elapsed between exposure and admission to the ED, duration of hospital stay, and cardiac manifestations at the time of presentation were recorded. GCS and poisoning severity score (PSS) was calculated for each patient. Electrocardiogram (ECG) analysis included the rate, rhythm, ST-T abnormalities, conduction defects, and measurement of PR and QT intervals. Sixty-two patients with OP poisoning presented to our ED from January 2007 to December 2008 from which 54 patients were included in the study. The mean age was 34.1 +/- 14.8 years. Of the cases, 53.7% were female. Twenty-six patients had a prolonged QTc interval. Mean PSS of men and women was 1.8 +/- 1.0. No statistically significant correlation was found between the PSS and QTc intervals of the cases. A significant correlation was determined between the GCS and PSS of grade 3 and grade 4 cases. GCS is a parameter that helps clinician to identify advanced grade OP poisoning patients in the initial assessment in the ED. However, ECG findings, such as prolonged QTc interval, are not effective in determination of short-term prognosis and show no relationship with PSS.
AuthorsOkhan Akdur, Polat Durukan, Seda Ozkan, Levent Avsarogullari, Alper Vardar, Cemil Kavalci, Ibrahim Ikizceli
JournalHuman & experimental toxicology (Hum Exp Toxicol) Vol. 29 Issue 5 Pg. 419-25 (May 2010) ISSN: 1477-0903 [Electronic] England
PMID20203133 (Publication Type: Journal Article)
Chemical References
  • Insecticides
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Electrocardiography
  • Female
  • Glasgow Coma Scale
  • Humans
  • Insecticides (poisoning)
  • Long QT Syndrome (chemically induced, physiopathology)
  • Male
  • Middle Aged
  • Organophosphate Poisoning
  • Poisoning (etiology, physiopathology, therapy)
  • Prognosis
  • Young Adult

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