Treatment of prolonged clonidine-induced autonomic instability with midodrine: a case report about a new approach or a cautionary tale?
Abstract. Background. Clonidine is a centrally acting α2 adrenergic and imidazoline-1 receptor agonist that can cause somnolence, bradycardia, and hypotension within several hours of ingestion. Less well-described but observed by us locally is the observation that patients presenting after large ove...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Health/LWW
2023-12-01
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| Series: | Emergency and Critical Care Medicine |
| Online Access: | http://journals.lww.com/10.1097/EC9.0000000000000068 |
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| Summary: | Abstract. Background. Clonidine is a centrally acting α2 adrenergic and imidazoline-1 receptor agonist that can cause somnolence, bradycardia, and hypotension within several hours of ingestion. Less well-described but observed by us locally is the observation that patients presenting after large overdoses including clonidine can have prolonged autonomic instability. As a result, they may require many days in hospital before recovery. We have previously used midodrine as an indirect antagonist with good effect; however, there are no previous reports of its use for this indication.
Case presentation. We present the case of a young female patient who developed prolonged autonomic instability following a large overdose of clonidine (coingested with smaller doses of escitalopram + lisdexamfetamine) that was treated with midodrine but complicated by a type 2 non-ST segment elevated myocardial infarction.
Conclusion. Midodrine seems to ameliorate this protracted instability and may provide a means to decrease hospital length of stay in appropriate individuals. |
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| ISSN: | 2097-0617 2693-860X |