On Clinical Use of Venous Occlusion Plethysmography of Calf I. Methods and controls

Journal/Book: Acta Chir Scand 1965. 1965;

Abstract: From the Department of Surgery (Head: Ph. Sandblom M. D. Professor of Surgery) and the Department of Clinical Physiology (Head: H. Westling M. D. Ass. Professor of Clinical Physiology) University of Lund Sweden Submitted for publication December 12 1964. Summary The conventional method of venous occlusion plethysmography was modified and used in the study of 54 subjects without symptoms of arterial disease or diabetes mellitus. The resting lower limb flow the systolic pressure above the knee the reactive hyperemia after 3 minutes' arterial occlusion and the amplitude of the pulsations during test and during peak flow were measured. The reactive hyperemia was characterized by measurement of the first flow after release of the arterial occlusion the peak flow and a value expressing the rate of return of flow to normal resting level. The mean resting flow and the systolic blood pressure were significantly higher in subjects above 45 years. Arterial occlusion for 3 minutes was found to be suitable for the induction of hyperemia and is considered preferable to arterial occlusion with exercise at least in clinical routine work. The reactive hyperemia after 3 minutes' arterial occlusion varied with sex the initial flow and the highest rate of flow being higher in the males than in the females. The reactive byperemia also varied with age in that it lasted longer in the subjects above 45 years. The pulsations were also larger in the older group. The modified technique is not time-consuming and would be useful as a routine clinical procedure. ___MH

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