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Mepivacaine plasma levels after retrobulbar anesthesia
1Eye Hospital, University Erlangen-Nürnberg, West Germany.
Ophthalmic Surgery
|December 1, 1988
Abstract:
Plasma concentrations of mepivacaine were determined after retrobulbar anesthesia. The measured maximal blood levels that can produce systemic side effects range from 1.23 to 4.88 micrograms/ml. We therefore recommend preoperative and intraoperative monitoring of arterial blood pressure and ECG.
Insights
Monitoring mepivacaine blood levels is crucial after retrobulbar anesthesia. Maximal levels linked to side effects necessitate vigilant arterial blood pressure and ECG monitoring to ensure patient safety.
Area of Science:
- Anesthesiology
- Ophthalmology
- Pharmacology
Background:
- Retrobulbar anesthesia is commonly used for ophthalmic procedures.
- Systemic toxicity from local anesthetics can occur.
- Mepivacaine is a frequently used local anesthetic in this setting.
Purpose of the Study:
- To determine plasma concentrations of mepivacaine following retrobulbar anesthesia.
- To establish the range of mepivacaine blood levels associated with systemic side effects.
Main Methods:
- Blood samples were collected after retrobulbar anesthesia administration.
- Plasma concentrations of mepivacaine were quantified.
- Maximal blood levels were correlated with potential systemic side effects.
Main Results:
- Plasma concentrations of mepivacaine were measured post-administration.
- The maximal blood levels associated with systemic side effects ranged from 1.23 to 4.88 micrograms/ml.
Conclusions:
- Clinicians should be aware of the potential for systemic toxicity with mepivacaine.
- Preoperative and intraoperative monitoring of arterial blood pressure and ECG is recommended.
- This monitoring can help detect and manage potential adverse events related to mepivacaine plasma levels.