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[Experimental morphological study of injection nerve injuries in rabbits]
Zhonghua Hu Li Za Zhi = Chinese Journal of Nursing
|March 1, 1997
Summary
Penicillin injection into rabbit sciatic nerves caused nerve fiber swelling and myelin sheath degeneration. Control groups showed mild inflammation and edema, indicating penicillin
Area of Science:
- Neuroscience
- Pharmacology
- Histopathology
Context:
- Investigating the neurotoxic effects of penicillin.
- Examining sciatic nerve damage following direct injection.
- Utilizing optical and electron microscopy for detailed analysis.
Purpose:
- To assess the pathological changes in the sciatic nerve after penicillin administration.
- To differentiate between direct nerve toxicity and peripheral inflammatory responses.
- To establish a time course of penicillin-induced nerve injury.
Summary:
- Penicillin injection into rabbit sciatic nerves induced progressive nerve fiber tumefaction, myelin sheath separation, and axonal degeneration over 7 days.
- Experiment groups exhibited significant pathological changes, including myelin and axonal abnormalities.
- Control groups displayed perinerve edema, hyperemia, and mild epineurial hyperplasia.
Impact:
- Highlights the potential neurotoxic effects of penicillin on peripheral nerves.
- Provides histopathological evidence of penicillin-induced nerve damage.
- Informs clinical considerations regarding penicillin administration near neural structures.