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Fatal acute pancreatitis caused by valproic acid
R J Evans1, R N Miranda, J Jordan
1Office of the Chief Medical Examiner, Boston, Massachusetts, USA.
The American Journal of Forensic Medicine and Pathology
|March 1, 1995
Summary
Valproic acid, a common seizure medication, can rarely cause fatal acute pancreatitis. Early diagnosis and drug withdrawal are crucial for patient survival.
Area of Science:
- Neurology
- Gastroenterology
- Pharmacology
Background:
- Valproic acid is a widely prescribed antiepileptic drug.
- Acute pancreatitis typically results from alcohol or gallstones, but drug-induced cases are rare.
- Valproic acid is generally considered safe, but severe toxicities, including pancreatitis, have been documented.
Observation:
- A 31-year-old woman with cerebral palsy developed fatal acute hemorrhagic pancreatitis while on valproic acid therapy.
- The patient's serum valproic acid levels were within the therapeutic range.
- The pancreatitis occurred following initiation of valproic acid treatment.
Findings:
- Most reported cases of valproic acid-associated pancreatitis occur with therapeutic drug levels.
- Pancreatitis cases often arise after dose increases or starting the medication.
- Fatalities may be linked to delayed diagnosis, exacerbated by patients' inability to report symptoms.
Implications:
- Valproic acid-associated pancreatitis requires prompt recognition and management.
- Early diagnosis and discontinuation of valproic acid are critical for improving patient outcomes.
- Healthcare providers should consider valproic acid as a potential cause of pancreatitis, especially in patients with altered mental status.