Electrical Stimulation of the Rabbit’s Aortic Nerve and the Dog’s Carotid Sinus Nerve: A Parameter Study

  • R. L. Testerman
  • S. I. Schwartz


Much of the present clinical work using stimulation of the carotid sinus nerve (CSN) to lower arterial blood pressure is based on studies of the dog (1). Stimulus parameters have varied, but the nerve has usually been treated as a homogeneous structure. However, Douglas et al (2) have found that a large part of the depressor response to electrical stimulation of the buffer nerves in cats and rabbits is due to small unmyelinated nerve fibers. If distinct nerve fiber populations also exist in the dog, then any variation in stimulus parameters could have important implications.


Stimulus Intensity Pulse Repetition Rate Msec Pulse Unmyelinated Fiber Carotid Sinus Nerve 
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  1. 1.
    Schwartz, S. I., Griffith, L. S. C., Neistadt, A. and Hagfors, N.: Chronic carotid sinus nerve stimulation in the treatment of essential hypertension. Am. J. Surg. 114: 5–15, 1967.PubMedCrossRefGoogle Scholar
  2. 2.
    Douglas, W. W., Ritchie, J. M. and Shaumann, W.: Depressor reflexes from medullated and nonmedullated fibres in the rabbit’s aortic nerve. J. Physiol. 132: 187–198, 1956.PubMedGoogle Scholar
  3. 3.
    Blair, E. A. and Erlanger, J. A.: A comparison of the characteristics of axons through their individual electrical responses. Am. J. Physiol. 106: 524–564, 1933.Google Scholar
  4. 4.
    Cole, K. S. and Curtis, H. J.: Electrical impedance of nerve and muscle. Cold Spr. Harb. Symp. Quant. Biol. 4: 73–89, 1936.CrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1971

Authors and Affiliations

  • R. L. Testerman
    • 1
  • S. I. Schwartz
    • 1
  1. 1.Department of Surgical ResearchUniversity of Rochester School of Medicine and DentistryRochesterUSA

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