Influence of Local Temperature and of Digital Nerve Block on Critical Opening Pressure of Vessels in the Finger
Local cooling of the finger increased and local warming decreased the critical opening pressure of small vessels supplying the nailfold capillaries. Digital nerve block also decreased the critical closing pressure of these vessels independently of any concomitant change in local temperature.
- Received July 14, 1959.
- © 1959 American Heart Association, Inc.