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Detection of neurectomy by testing skin sensitivity using an electrical stimulus
G H Moorman1, J H van Noort, F Németh
1Department of Large Animal Surgery, Veterinary Faculty, University of Utrecht, The Netherlands.
Equine Veterinary Journal
|May 1, 1988
Summary
This study presents a safe and accurate electrical stimulation method to detect neurectomy in horses. The technique reliably identifies areas of nerve damage and tracks re-innervation over time.
Area of Science:
- Veterinary neurology
- Equine surgery
Background:
- Neurectomy is a surgical procedure involving nerve resection.
- Assessing the success of neurectomy and monitoring nerve regeneration is crucial in equine practice.
Purpose of the Study:
- To evaluate the accuracy and feasibility of using electrical skin stimulation to detect neurectomy in horses.
- To characterize the sensory deficit and re-innervation patterns following neurectomy.
Main Methods:
- An electrical stimulation device was developed to determine the minimum voltage eliciting a response in normal horses.
- Twenty-seven horses underwent neurectomy, and their skin's response to electrical stimulation was recorded at regular intervals post-surgery.
- The extent and borders of insensitive areas were mapped.
Main Results:
- Immediately after neurectomy, a distinct area of skin insensitivity was observed, with sharply defined borders.
- Re-innervation was noted over several months, leading to a gradual reduction in the insensitive area.
- Insensitive areas were still detectable up to 14 months post-neurectomy in all tested horses.
Conclusions:
- Electrical skin stimulation is a safe, accurate, and ethically acceptable method for detecting neurectomy in horses.
- The technique allows for the assessment of sensory deficits and the monitoring of nerve regeneration.
- This method can aid in evaluating surgical outcomes and understanding neurobiological recovery processes in equine patients.