J Korean Soc Clin Toxicol.  2014 Dec;12(2):46-53. 10.0000/jksct.2014.12.2.46.

The Clinical Features and Prognostic Factors in Adults with Acute Etrodotoxin Poisoning Caused by Ingesting Puffer Fish

Affiliations
  • 1Department of Emergency Medicine, Medical School, Chonnam National University, Gwangju, Korea. cbjbawoo@hanmail.net
  • 2Department of Emergency Medicine, Mokpo Jung-ang Hospital, Korea.

Abstract

PURPOSE
We conducted this study in order to determine clinical features and prognostic factors in adults with acute tetrodotoxin (TTX) poisoning caused by ingestion of puffer fish.
METHODS
In this retrospective study, 107 patients were diagnosed with TTX poisoning. The subjects were divided into two groups according to duration of treatment; Group I, patients were discharged within 48 hours (n=76, 71.0%), Group II patients were discharged after more than 48 hours (n=31, 29.0%). Group II was subsequently divided into two subgroups [IIa (n=12, 11.2%), IIb (n=19, 17.8%)] according to the need for mechanical ventilation support.
RESULTS
In multivariable logistic regression analysis, the predictors of the need for treatment over 48 hours were dizziness (odds ratio [OR], 4.72; 95% confidence intervals [CI], 1.59-12.83), time interval between onset of symptom and ingestion (OR, 0.56; 95% CI, 0.16-0.97), PaCO2<35 mmHg (OR, 8.37; 95% CI, 2.37-23.59). In addition, predictors of the need for mechanical ventilation were a time interval between onset of symptoms and ingestion (OR, 0.54; 95% CI, 0.11-0.96) and PaCO2<35 mmHg (OR, 5.65; 95% CI, 1.96-18.66).
CONCLUSION
Overall, dizziness, time interval between onset of symptoms and ingestion, DeltaDBP and PaCO2<35 mmHg predict the need for treatment over 48 hours, time interval between onset of symptoms and ingestion and PaCO2<35 mmHg predict the need for mechanical ventilation support after acute TTX poisoning.

Keyword

Tetrodotoxin poisoning; Clinical feature; Prognostic factor; Puffer fish
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