Publication: Acute imidacloprid poisoning in thailand
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Issued Date
2020-01-01
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ISSN
1178203X
11766336
11766336
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2-s2.0-85095819561
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Mahidol University
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SCOPUS
Bibliographic Citation
Therapeutics and Clinical Risk Management. Vol.16, (2020), 1081-1088
Suggested Citation
Charuwan Sriapha, Satariya Trakulsrichai, Achara Tongpoo, Aimon Pradoo, Panee Rittilert, Winai Wananukul Acute imidacloprid poisoning in thailand. Therapeutics and Clinical Risk Management. Vol.16, (2020), 1081-1088. doi:10.2147/TCRM.S269161 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/59923
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Title
Acute imidacloprid poisoning in thailand
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Abstract
© 2020 Sriapha et al. Introduction: Imidacloprid is the most commonly used neonicotinoid insecticide world-wide. Despite its reputation for safety, there is increasing evidence regarding its toxicity. This study characterized the clinical manifestations and outcomes of acute imidacloprid poisoning. Methods: This was a retrospective study of patients with imidacloprid poisoning who were referred to the Ramathibodi Poison Center in Bangkok, Thailand between 2010 and 2018. Results: A total of 163 patients with imidacloprid-only exposure were included. Most were exposed by ingestion (93.3%). The patients were predominantly male (55.8%), with a median age of 41.3 years. The common presenting features were gastrointestinal symptoms (63.8%) with no corrosive injuries and neurological effects (14.2%). The majority of medical outcomes was no (18.4%) to mild (76.1%) toxicity. One patient had symptoms mimicking cholinergic syndrome, three developed liver injury, and five died. Among the five deaths, two patients presented severe initial severity, and one presented moderate initial severity. Two of the patients who died initially presented only mild severity. The mortality rate was 3.1%. The estimated amount of ingestion, cardiovascular effects (especially tachycardia and cardiac arrest), central nervous system effects (especially coma), dyspnea, and diaphoresis were significantly associated with mortality. Patient management primarily included supportive and symptomatic care. Conclusion: Most patients with imidacloprid poisoning developed only mild toxicity. The mortality rate was low, but a few patients with mild initial severity died. Patients who ingest a large amount or show these warning signs including cardiovascular effects, central nervous system effects, dyspnea, and diaphoresis at the initial presentation should be considered for close observation and monitoring.