The Adhesiveness of Blood Platelets in Thromboembolism and Hemorrhagic Disorders: I. Measurement of Platelet Adhesiveness by the Glass-Wool Filter

Abstract

A wick of braided glass-wool is employed as an adsorbing filter for separating adhesive platelets from nonadhesive platelets in citrated blood. The relatively large surface area and short period of contact (30 sec.) are believed to reduce error due to platelet lysis. Adhesive platelets range normally between 60,000 and 110,000 per cu. mm. The method is relatively simple and can be readily applied as an aid in detection of predisposition to thrombosis and in evaluation of hemorrhagic disorders.