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  • Title: Hemodynamic changes with arterial stenosis experimentally created using the sliding calipers method.
    Author: Yamashita H, Hayakawa K, Akagi M.
    Journal: Jpn J Surg; 1990 Jan; 20(1):83-8. PubMed ID: 2406483.
    Abstract:
    The relationship of blood pressure, blood flow and Doppler waveform to arterial stenosis was investigated in a canine model. The method of making a stenosis involved using slide calipers and the critical stenosis of the femoral artery was 75 per cent. Among the parameters from Doppler waveform; peak forward velocity, pulsatility index, acceleration and deceleration correlated well with arterial stenosis, having correlation coefficients of -0.729, -0.856, -0.824 and -0.739, respectively. The results of this method conform closely to clinical conditions with regard to progress of the occlusive process.
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