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Pflügers Archiv

, Volume 360, Issue 1, pp 63–79 | Cite as

The genesis of the pulse contours of the distal leg arteries in man

  • R. Busse
  • E. Wetterer
  • R. D. Bauer
  • Th. Pasch
  • Y. Summa
Article

Summary

In order to clarify the genesis of the human pressure and flow pulse contours of the distal leg arteries, in particular the posterior tibial artery, pulse recordings were performed with transcutaneous techniques under normal conditions and in the state of strong vasodilatation (reactive hyperaemia) in the distal parts of the lower legs. From the experimental results it is concluded that the contour of the incident pressure wave arriving in the leg arteries is very similar to the pressure pulse contour of the abdominal aorta, while the resulting contour in the leg arteries is determined by this incident wave and superimposed reflected waves. The latter arise from positive reflection in the periphery of the lower legs. They travel in retrograde direction, are reflected negatively in proximal regions, particularly in the abdomimal aorta, and appear again, with opposite sign, in the leg arteries. In addition, retrograde waves reflected positively at the aortic valve and then traveling in antegrade direction also influence the pulse contours. By considering this wave travel, the genesis of the characteristic contours of the pressure and flow pulses of the lower leg arteries is explained in a satisfactory way. This is demonstrated by a simplified graphical pulse construction as well as by the calculation of pulse contours on the basis of a theoretical tube model of the arterial system with the aid of a digital computer. The results of these calculations are discussed with respect to the findings of previous investigators who used analog and digital models of the arterial system.

Key words

Arterial Flow Pulses Arterial Pressure Pulses Leg Arteries Models of the Arterial System Reflection of Pulse Waves 

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Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • R. Busse
    • 1
  • E. Wetterer
    • 1
  • R. D. Bauer
    • 1
  • Th. Pasch
    • 1
  • Y. Summa
    • 1
  1. 1.Institut für Physiologie und Kardiologie der Universität Erlangen-NürnbergGermany

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