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Delayed absorption of lithium in intoxication: a case history
European Journal of Clinical Pharmacology
|April 4, 1975
Summary
Lithium intoxication can persist despite diuresis and dialysis due to delayed gastric emptying. Gastric lavage proved effective in reducing serum lithium levels in a patient with prolonged intoxication.
Area of Science:
- Nephrology
- Toxicology
- Emergency Medicine
Background:
- Lithium is a mood stabilizer with a narrow therapeutic index.
- Lithium intoxication can lead to severe toxicity, necessitating prompt management.
- Standard treatments like forced diuresis and dialysis are often employed to enhance lithium elimination.
Observation:
- A 55-year-old male presented with lithium intoxication.
- Serum lithium concentrations remained elevated despite aggressive forced diuresis and dialysis.
- A significant lithium concentration was detected in gastric aspirate three days post-ingestion, suggesting delayed gastric emptying.
Findings:
- Delayed gastric emptying contributed to persistent lithium absorption.
- Gastric lavage, performed three days after lithium ingestion, successfully reduced serum lithium levels.
- This case highlights an unusual pharmacokinetic profile in lithium intoxication.
Implications:
- Gastric lavage should be considered in cases of lithium intoxication with suspected delayed gastric emptying, even days after ingestion.
- This approach may be crucial for patients refractory to standard decontamination and elimination methods.
- Understanding atypical lithium absorption patterns is vital for optimizing patient outcomes in toxicological emergencies.