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[Long-term antidepressive medication-- an increased anesthetic risk?].
D Hansen1, U Föhring, K Eyrich
1Klinik für Anaesthesiologie und Operative Intensivmedizin, Klinikum Steglitz, Freie Universität Berlin.
Der Anaesthesist
|April 1, 1990
Summary
Antidepressant medications can affect anesthesia. Careful monitoring during surgery is recommended over preoperative withdrawal of antidepressants for managing intraoperative risks.
Area of Science:
- Pharmacology
- Anesthesiology
- Neuroscience
Context:
- Antidepressants, particularly tricyclic antidepressants, possess alpha1-, H1-, and H2-receptor blocking effects, alongside anticholinergic properties.
- Long-term antidepressant use may correlate with intraoperative hemodynamic instability, including blood pressure fluctuations, tachycardia, and arrhythmias.
Purpose:
- To evaluate the necessity of preoperative antidepressant withdrawal in light of their pharmacokinetic profiles and synaptic adaptation.
- To provide guidance on anesthetic management and drug selection for patients on antidepressant therapy.
Summary:
- Preoperative withdrawal of antidepressants is not deemed necessary with careful intraoperative monitoring.
- Inhalation anesthesia with isoflurane or enflurane is preferred.
- Avoid pancuronium and exogenous catecholamines; opiates and benzodiazepines are recommended for intraoperative stability and premedication, respectively.
Impact:
- This approach optimizes anesthetic care for patients undergoing surgery while on antidepressants.
- Minimizes the risk of adverse cardiovascular events during the perioperative period.
- Highlights the importance of considering drug interactions in surgical patients.