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Experience in the treatment of chlorfenapyr poisoning
In China, the extensive use of the pesticide chlorfenapyr has led to an increase in chlorfenapyr poisoning. However, there are limited reports on chlorfenapyr poisoning, and most of them are fatal cases. This study retrospectively analyzed four patients admitted to the emergency room after chlorfena...
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Published in: | Journal of toxicological sciences 2023-01, Vol.48 (4), p.221-225 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In China, the extensive use of the pesticide chlorfenapyr has led to an increase in chlorfenapyr poisoning. However, there are limited reports on chlorfenapyr poisoning, and most of them are fatal cases. This study retrospectively analyzed four patients admitted to the emergency room after chlorfenapyr intake and detected different concentrations of chlorfenapyr in their plasma. Among them, one patient died and three patients survived. Case 1 suffered respiratory and circulatory failure with a deep coma shortly after oral administration of 100 mL of a the chlorfenapyr-containing mixture and died 30 min after admission. Case 2 experienced transient nausea and vomiting after oral administration of chlorfenapyr (50 mL). The patient had normal laboratory results and was discharged with no further treatment. Case 3 developed nausea and vomiting and a light coma after taking 30 mL of chlorfenapyr orally. He underwent blood perfusion and plasma exchange in the intensive care unit (ICU) and was discharged with recovery. A two-week follow-up visit, however, revealed hyperhidrosis. Case 4 (advanced age with severe underlying disease) developed a light coma after oral intake of 30 mL of chlorfenapyr. Subsequently, pulmonary infection and gastrointestinal bleeding were developed. The patient experienced blood perfusion and mechanical ventilation in the ICU and finally survived after treatment. The present study provides the basic information, plasma concentration of toxins, onset of poisoning and treatment process of the four patients mentioned above, providing novel insights into the clinical diagnosis and treatment of chlorfenapyr poisoning. |
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ISSN: | 0388-1350 1880-3989 |
DOI: | 10.2131/jts.48.221 |