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Severe caffeine poisoning successfully treated with high flow continuous hemodialysis
Daisuke Kobashi1, Yoshito Kamijo2, Tomoki Hanazawa2
1Emergency Department, Japanese Red Cross Haramachi Hospital, Japan.
The American Journal of Emergency Medicine
|May 27, 2022
Summary
High-dose caffeine poisoning can be fatal. High flow continuous hemodialysis (CHD) effectively treated a severe case, stabilizing hemodynamics when other methods failed. This suggests CHD is a viable option for critical caffeine overdose.
Area of Science:
- Toxicology
- Nephrology
- Critical Care Medicine
Background:
- Caffeine poisoning, particularly from high-dose tablet ingestion, is an increasing concern in Japan.
- Severe cases can lead to life-threatening complications, including cardiovascular instability and metabolic derangements.
Observation:
- A 23-year-old male presented with severe caffeine intoxication after ingesting 32.4 g of caffeine tablets.
- Initial management included gastric lavage and activated charcoal, but the patient developed profound hypotension and ventricular tachycardia.
- Despite vasopressor and beta-blocker therapy, hemodynamics remained unstable.
Findings:
- High flow continuous hemodialysis (CHD) was initiated 4 hours post-ingestion.
- CHD significantly improved the patient's clinical status, particularly cardiovascular parameters.
- Serum caffeine levels decreased from 344.0 μg/mL to 153.8 μg/mL within 3 hours of initiating high flow CHD.
Implications:
- High flow CHD appears to be an effective rescue therapy for severe caffeine poisoning, especially in patients with unstable hemodynamics.
- This case highlights the potential benefit of extracorporeal methods in managing massive caffeine overdoses.
- Further research is warranted to establish optimal protocols for using CHD in caffeine toxicity.
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