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Clinical diagnosis and chemical confirmation of ciguatera fish poisoning in New South Wales, Australia.
Commun Dis Intell Q Rep. 2016 Mar 31; 40(1):E1-6.CD

Abstract

Ciguatera fish poisoning is common in tropical and sub-tropical areas and larger fish (> 10 kg) are more susceptible to toxin accumulation with age. Although the coastal climate of northern New South Wales is considered sub-tropical, prior to 2014 there has only been 1 documented outbreak of ciguatera fish poisoning from fish caught in the region. During February and March 2014, 2 outbreaks of ciguatera fish poisoning involved 4 and 9 individuals, respectively, both following consumption of Spanish mackerel from northern New South Wales coastal waters (Evans Head and Scotts Head). Affected individuals suffered a combination of gastrointestinal and neurological symptoms requiring hospital treatment. At least 1 individual was symptomatic up to 7 months later. Liquid chromatography-tandem mass spectrometry detected the compound Pacific ciguatoxin-1B at levels up to 1.0 µg kg(-1) in fish tissue from both outbreaks. During April 2015, another outbreak of ciguatera fish poisoning was reported in 4 individuals. The fish implicated in the outbreak was caught further south than the 2014 outbreaks (South West Rocks). Fish tissue was unavailable for analysis; however, symptoms were consistent with ciguatera fish poisoning. To our knowledge, these cases are the southernmost confirmed sources of ciguatera fish poisoning in Australia. Educational outreach to the fishing community, in particular recreational fishers was undertaken after the Evans Head outbreak. This highlighted the outbreak, species of fish involved and the range of symptoms associated with ciguatera fish poisoning. Further assessment of the potential for ciguatoxins to occur in previously unaffected locations need to be considered in terms of food safety.

Authors+Show Affiliations

Shellfish Operations Officer, NSW Food Authority, Newington, New South Wales.Manager NSW Shellfish Program, NSW Food Authority, Newington, New South Wales.Recall Co-ordinator, NSW Food Authority, Newington, New South Wales.Manager, Food Incidents Response and Complaints, NSW Food Authority, Newington, New South Wales.Chief Scientist, NSW Food Authority, NSW Food Authority, Newington, New South Wales.Safe New Zealand Seafood Programme co-leader, Cawthron Institute, Nelson, New Zealand.Technical Manager, Research and Method Development, Cawthron Institute, Nelson, New Zealand.Communicable Disease Public Health Officer, North Coast Public Health Unit, Lismore, New South Wales., North Coast Public Health Unit, Lismore, New South Wales.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27080020

Citation

Farrell, Hazel, et al. "Clinical Diagnosis and Chemical Confirmation of Ciguatera Fish Poisoning in New South Wales, Australia." Communicable Diseases Intelligence Quarterly Report, vol. 40, no. 1, 2016, pp. E1-6.
Farrell H, Zammit A, Manning J, et al. Clinical diagnosis and chemical confirmation of ciguatera fish poisoning in New South Wales, Australia. Commun Dis Intell Q Rep. 2016;40(1):E1-6.
Farrell, H., Zammit, A., Manning, J., Shadbolt, C., Szabo, L., Harwood, D. T., McNabb, P., Turahui, J. A., & van den Berg, D. J. (2016). Clinical diagnosis and chemical confirmation of ciguatera fish poisoning in New South Wales, Australia. Communicable Diseases Intelligence Quarterly Report, 40(1), E1-6.
Farrell H, et al. Clinical Diagnosis and Chemical Confirmation of Ciguatera Fish Poisoning in New South Wales, Australia. Commun Dis Intell Q Rep. 2016 Mar 31;40(1):E1-6. PubMed PMID: 27080020.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Clinical diagnosis and chemical confirmation of ciguatera fish poisoning in New South Wales, Australia. AU - Farrell,Hazel, AU - Zammit,Anthony, AU - Manning,Jennifer, AU - Shadbolt,Craig, AU - Szabo,Lisa, AU - Harwood,D Tim, AU - McNabb,Paul, AU - Turahui,John A, AU - van den Berg,Debra J, Y1 - 2016/03/31/ PY - 2016/4/16/entrez PY - 2016/4/16/pubmed PY - 2017/1/11/medline SP - E1 EP - 6 JF - Communicable diseases intelligence quarterly report JO - Commun Dis Intell Q Rep VL - 40 IS - 1 N2 - Ciguatera fish poisoning is common in tropical and sub-tropical areas and larger fish (> 10 kg) are more susceptible to toxin accumulation with age. Although the coastal climate of northern New South Wales is considered sub-tropical, prior to 2014 there has only been 1 documented outbreak of ciguatera fish poisoning from fish caught in the region. During February and March 2014, 2 outbreaks of ciguatera fish poisoning involved 4 and 9 individuals, respectively, both following consumption of Spanish mackerel from northern New South Wales coastal waters (Evans Head and Scotts Head). Affected individuals suffered a combination of gastrointestinal and neurological symptoms requiring hospital treatment. At least 1 individual was symptomatic up to 7 months later. Liquid chromatography-tandem mass spectrometry detected the compound Pacific ciguatoxin-1B at levels up to 1.0 µg kg(-1) in fish tissue from both outbreaks. During April 2015, another outbreak of ciguatera fish poisoning was reported in 4 individuals. The fish implicated in the outbreak was caught further south than the 2014 outbreaks (South West Rocks). Fish tissue was unavailable for analysis; however, symptoms were consistent with ciguatera fish poisoning. To our knowledge, these cases are the southernmost confirmed sources of ciguatera fish poisoning in Australia. Educational outreach to the fishing community, in particular recreational fishers was undertaken after the Evans Head outbreak. This highlighted the outbreak, species of fish involved and the range of symptoms associated with ciguatera fish poisoning. Further assessment of the potential for ciguatoxins to occur in previously unaffected locations need to be considered in terms of food safety. SN - 1445-4866 UR - https://www.unboundmedicine.com/medline/citation/27080020/Clinical_diagnosis_and_chemical_confirmation_of_ciguatera_fish_poisoning_in_New_South_Wales_Australia_ L2 - https://www.health.gov.au/internet/main/publishing.nsf/Content/cda-cdi4001a.htm DB - PRIME DP - Unbound Medicine ER -