Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand

The current data regarding poisoning associated with ingestion of fungus-infected cicada nymphs are limited. We performed a retrospective cohort study of patients who ingested fungus-infected cicada nymphs and were referred to the Ramathibodi Poison Center for consultation from June 2010 to June 202...

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Main Authors: Satariya Trakulsrichai, Nattapon Satsue, Phantakan Tansuwannarat, Jatupon Krongvorakul, Jetjamnong Sueajai, Pitak Santanirand, Winai Wananukul
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Toxins
Subjects:
Online Access:https://www.mdpi.com/2072-6651/16/1/22
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author Satariya Trakulsrichai
Nattapon Satsue
Phantakan Tansuwannarat
Jatupon Krongvorakul
Jetjamnong Sueajai
Pitak Santanirand
Winai Wananukul
author_facet Satariya Trakulsrichai
Nattapon Satsue
Phantakan Tansuwannarat
Jatupon Krongvorakul
Jetjamnong Sueajai
Pitak Santanirand
Winai Wananukul
author_sort Satariya Trakulsrichai
collection DOAJ
description The current data regarding poisoning associated with ingestion of fungus-infected cicada nymphs are limited. We performed a retrospective cohort study of patients who ingested fungus-infected cicada nymphs and were referred to the Ramathibodi Poison Center for consultation from June 2010 to June 2022. Thirty-nine patients were included for analysis. Most were men (53.8%). Mean age was 40.2 ± 15.0 years. All nymphs were ingested as a health/food supplement. Thirty-one patients (79.5%) reported gastrointestinal symptoms. Median time from ingestion to symptom onset was 5 h. Twenty-nine patients (74.4%) reported neurological symptoms, including tremor, myoclonus, muscle rigidity, nystagmus/ocular clonus, drowsiness, dysarthria, seizure, and confusion. Some complained of dizziness, urinary retention, and jaw stiffness. Most patients (94.9%) were admitted to the hospital. Median hospital stay was 3 days. Ibotenic acid was detected in the blood and urine samples of one patient. All received supportive care. Four patients developed infectious complications. No deaths occurred. Consuming fungus-infected cicada nymphs may cause poisoning in humans. Gastrointestinal and neurological symptoms were common. Ibotenic acid might be the underlying cause. The main treatment is supportive care and appropriate management of complications. Education of the general public is advocated to prevent the incidence of this type of poisoning.
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spelling doaj.art-6af3dc93e7344154b5a352cb38f4c8422024-01-26T18:42:22ZengMDPI AGToxins2072-66512023-12-011612210.3390/toxins16010022Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in ThailandSatariya Trakulsrichai0Nattapon Satsue1Phantakan Tansuwannarat2Jatupon Krongvorakul3Jetjamnong Sueajai4Pitak Santanirand5Winai Wananukul6Department of Emergency Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandRamathibodi Poison Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandRamathibodi Poison Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandDepartment of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandDepartment of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandDepartment of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandRamathibodi Poison Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, ThailandThe current data regarding poisoning associated with ingestion of fungus-infected cicada nymphs are limited. We performed a retrospective cohort study of patients who ingested fungus-infected cicada nymphs and were referred to the Ramathibodi Poison Center for consultation from June 2010 to June 2022. Thirty-nine patients were included for analysis. Most were men (53.8%). Mean age was 40.2 ± 15.0 years. All nymphs were ingested as a health/food supplement. Thirty-one patients (79.5%) reported gastrointestinal symptoms. Median time from ingestion to symptom onset was 5 h. Twenty-nine patients (74.4%) reported neurological symptoms, including tremor, myoclonus, muscle rigidity, nystagmus/ocular clonus, drowsiness, dysarthria, seizure, and confusion. Some complained of dizziness, urinary retention, and jaw stiffness. Most patients (94.9%) were admitted to the hospital. Median hospital stay was 3 days. Ibotenic acid was detected in the blood and urine samples of one patient. All received supportive care. Four patients developed infectious complications. No deaths occurred. Consuming fungus-infected cicada nymphs may cause poisoning in humans. Gastrointestinal and neurological symptoms were common. Ibotenic acid might be the underlying cause. The main treatment is supportive care and appropriate management of complications. Education of the general public is advocated to prevent the incidence of this type of poisoning.https://www.mdpi.com/2072-6651/16/1/22cicada nymphs<i>Cordyceps</i> fungusibotenic acid
spellingShingle Satariya Trakulsrichai
Nattapon Satsue
Phantakan Tansuwannarat
Jatupon Krongvorakul
Jetjamnong Sueajai
Pitak Santanirand
Winai Wananukul
Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
Toxins
cicada nymphs
<i>Cordyceps</i> fungus
ibotenic acid
title Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
title_full Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
title_fullStr Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
title_full_unstemmed Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
title_short Poisoning from Ingestion of Fungus-Infected Cicada Nymphs: Characteristics and Clinical Outcomes of Patients in Thailand
title_sort poisoning from ingestion of fungus infected cicada nymphs characteristics and clinical outcomes of patients in thailand
topic cicada nymphs
<i>Cordyceps</i> fungus
ibotenic acid
url https://www.mdpi.com/2072-6651/16/1/22
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