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August 2, 1976

Hemodynamics for Surgeons

Author Affiliations

Portland, Ore

JAMA. 1976;236(5):513. doi:10.1001/jama.1976.03270050057039

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The accurate description of blood flow through most atherosclerotic vessels still eludes scientists. Nevertheless, if peripheral vascular surgeons could grasp the way that bioengineers now understand hemodynamics, then clinical judgment, operative technique, and therapeutic results all might improve. Towards this goal, this text tidies up the previously empirical knowledge of clinicians and views it with a balance tilted toward science.

The problem of communicating the complexity of bioengineering to nonmathematical readers is partially avoided by the frequent use of paragraphs containing "take home" clinical correlations. A certain amount of technical abstruseness and overcondensation remains, but in general, the bioengineering sections are readable and relevant. Take, for instance, a difficult question; whether distal arterial disease in a donor limb contraindicates a femoral-femoral graft. Instead of merely mentioning the possibility of an iliac steal syndrome, the authors first prove mathematically that distal donor limb disease should be significant only in the presence