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Title

Atropine Challenge Test in Screening theOrganophosphorus Poisoning Cases with Atypical Presentation; a Brief Report

Pages

  0-0

Abstract

 Introduction: Atropine is not recommended in organophosphorus (OPs) poisoning cases without any obvious clinical signs. This study aimed to evaluate the clinical utility of Atropine challenge test in screening OPs poisoning cases with atypical presentation. Methods: In this prospective cross sectional study, after primary supportive care, patients with atypical pretentions of OPs poisoning underwent Atropine challenge test (1 mg intravenously) and demographic parameters, clinical presentations, and serum level of cholinesterase enzyme were compared between cases with positive and negative test results. Results: 20 patients with the mean age of 47. 60 § 13. 25 years were studied. The mean time since exposure and initial symptoms was 6. 17 § 2. 99 hours. The most common clinical presentationswere tachycardia (55%) and flushing (35%). The Atropine challenge test was positive in 3 (15. 00%) cases. The two groups were the same regarding gender distribution (p = 0. 582), mean age (p = 0. 957), clinical presentation (p > 0. 05), and mean PR interval (p = 0. 729). The level of cholinesterase was 220. 00 § 15. 52 U/mL and 332. 17 § 143. 99 U/mL in patients with positive and negative Atropine challenge test, respectively (p = 0. 006). Conclusion: Patients with positive Atropine challenge test had a significantly lower level of serum cholinesterase and response to Atropine in their therapeuticmanagement. Hence, Atropine challenge test could be considered as a useful clinical test in the setting of acute OPs poising.

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    APA: Copy

    SHADNIA, SHAHIN, ZAMANI, NASIM, NIKPOUR, SARA, SAFFAEI, ALI, & Farnia, Mohammad Reza. (2019). Atropine Challenge Test in Screening theOrganophosphorus Poisoning Cases with Atypical Presentation; a Brief Report. ARCHIVES OF ACADEMIC EMERGENCY MEDICINE (EMERGENCY), 7(1), 0-0. SID. https://sid.ir/paper/339796/en

    Vancouver: Copy

    SHADNIA SHAHIN, ZAMANI NASIM, NIKPOUR SARA, SAFFAEI ALI, Farnia Mohammad Reza. Atropine Challenge Test in Screening theOrganophosphorus Poisoning Cases with Atypical Presentation; a Brief Report. ARCHIVES OF ACADEMIC EMERGENCY MEDICINE (EMERGENCY)[Internet]. 2019;7(1):0-0. Available from: https://sid.ir/paper/339796/en

    IEEE: Copy

    SHAHIN SHADNIA, NASIM ZAMANI, SARA NIKPOUR, ALI SAFFAEI, and Mohammad Reza Farnia, “Atropine Challenge Test in Screening theOrganophosphorus Poisoning Cases with Atypical Presentation; a Brief Report,” ARCHIVES OF ACADEMIC EMERGENCY MEDICINE (EMERGENCY), vol. 7, no. 1, pp. 0–0, 2019, [Online]. Available: https://sid.ir/paper/339796/en

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