PMID: 591484Nov 1, 1977

Measurement of digital blood pressure after local cooling

Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology
S L Nielsen, N A Lassen

Abstract

A double-inlet plastic cuff was designed for local cooling and systolic blood pressure measurement on the middle phalanx of the fingers. With a tourniquet on the proximal phalanx of one finger, cooling for 5 min made the digital artery temperature equal the skin temperature. The difference between the systolic pressure in a control finger and in the cooled finger give the reopening pressure in the digital arteries. At 30, 25, 20, 15, and 10 degrees C, respectively the percent decrease of the finger pressure was 0.2 (0.2), 1.5 (2.5), 8.5 (3.7), 11.4 (3.4), and 15.3 (3.1) in normal young women. In patients with primary or secondary Raynaud's phenomenon, the arterial tone showed an abrupt increase that most often led to complete closure of the digital arteries. The pathological response was expressed as an increased threshold temperature or a well-defined closing temperature that showed only small variations during standardized conditions.

Citations

Jan 1, 1978·Scandinavian Journal of Thoracic and Cardiovascular Surgery·S L NielsenB Eklöf
Dec 1, 1978·Scandinavian Journal of Clinical and Laboratory Investigation·N Olsen, S L Nielsen
Jan 1, 1992·International Archives of Occupational and Environmental Health·K TorénA Tarkowski
Jan 1, 1989·European Journal of Applied Physiology and Occupational Physiology·Massimo Bovenzi
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Jan 1, 1985·Cardiovascular and Interventional Radiology·B Arneklo-NobinU Tylén
Jan 1, 1980·Scandinavian Journal of Thoracic and Cardiovascular Surgery·S L NielsenO Henriksen
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Related Concepts

Diastolic Blood Pressure
Cold Temperature
Fingers
Raynaud Phenomenon

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