Modifications of ureteric peristalsis by local anaesthetic an experimental study in dogs
β Scribed by Struthers, N. W.
- Book ID
- 104689760
- Publisher
- Springer
- Year
- 1976
- Tongue
- English
- Weight
- 592 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0300-5623
No coin nor oath required. For personal study only.
β¦ Synopsis
An in vivo study of the response of the dog ureter to local anaesthetics administered systemically and by ureteric perfusion, revealed that lidocaine, procaine, and mepivacaine, caused hyperperistalsis. The intravenous use of a near toxic dose produced hyperperistalsis of limited duration, whereas, intraureteric administration produced a prolonged and constant response with low dosage. The mode of action of these drugs is unclear as they are generally regarded as being non specific smooth muscle depressants. Continued peristalsis after prolonged exposure to local anaesthetic favours a myogenic rather than neurogenic conduction of the ureteric contraction wave.
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## Abstract In 10 anaesthetized dogs bilateral groin herniae were created, each containing a loop of small bowel which was strangulated with binding tape. One side was cooled locally, the other acted as a control. After 7 1/2 hours the two loops of bowel were inspected and compared as regards viab