Abstract
The physiological effects of A-V fistula have long been the subject of extensive experimental investigation. Added impetus has been given to this work by successive wars. The existence of such effects as the Nicoladoni-Branham phenomenon, increased pulse pressure, decreased diastolic pressure, and the relationship of these changes to the size and location of the fistula, have been definitely established. On the other hand, another group of physiological effects or the explanation thereof, such as increased cardiac output,1,2,3 increased blood volume, and increased pressure in the large veins proximal to the fistula,4,5 have been matters of considerable controversy. Finally there are some effects which have been studied incompletely or not at all. The present investigation was undertaken to determine the effect of A-V fistula, first, on femoral and jugular circulation times and the relationship between the two, and second, on auricular pressures.Method. Thirty observations were made on 5 dogs. The animals ...
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