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[Pulse wave velocity, thermography in the diagnosis of arteriosclerosis].

1. Pulse wave velocity (PWV) increased with increasing organic stiffness of the arterial wall mainly caused by arterio-sclerosis and also increasing functional stiffness of the arterial wall mainly caused by elevation of blood pressure. Age related changes in PWV have been recognized in variable countries. The PWV in the ascending aorta calculated by the characteristic impedance (378 +/- 141 cm/sec) was lower than that of conventional measurement in the descending aorta (697 +/- 144 cm/sec). 2. Thermography provide us indirect information of arteriosclerosis through reduction of skin temperature caused by disturbance of blood flow.