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Nimodipine: evidence for clinically significant gastrointestinal side-effects
E Hund1, A Aschoff, V Tronnier
1Department of Neurosurgery, University Hospital, Heidelberg, Federal Republic of Germany.
Acta Neurochirurgica
|January 1, 1990
Summary
Nimodipine, used for cerebrovascular spasm, can cause severe gastrointestinal issues like pseudo-obstruction of the colon. Neurosurgeons and neurologists should monitor patients for this rare calcium antagonist side effect.
Area of Science:
- Pharmacology
- Neurology
- Gastroenterology
Background:
- Nimodipine is a calcium channel blocker commonly used to prevent and treat cerebrovascular spasm after subarachnoid hemorrhage.
- While generally considered safe, nimodipine can affect systemic vascular and intestinal smooth muscle.
- Gastrointestinal side effects have not been widely reported in previous clinical studies.
Observation:
- A patient with subarachnoid hemorrhage developed acute colonic pseudo-obstruction (a form of adynamic ileus).
- This severe complication occurred during treatment with intravenous nimodipine.
- The patient's condition was life-threatening.
Findings:
- The case suggests a potential link between nimodipine therapy and the development of pseudo-obstruction of the colon.
- Calcium channel antagonist therapy may contribute to gastrointestinal motility disorders.
- This adverse event highlights a previously underreported complication of nimodipine use.
Implications:
- Neurosurgeons and neurologists must be aware of the risk of nimodipine-induced ileus.
- Clinicians should consider calcium antagonist-related gastrointestinal complications in patients presenting with abdominal distension or obstruction.
- Further investigation into the mechanisms and incidence of nimodipine-associated ileus is warranted.