Blood, 1957, Vol. 12, No. 8, pp. 726-732.
© 1957 American Society of Hematology, Inc.
Platelet Functional Defects in Thrombocytopenic Purpura
J. A. BONNIN 1 and
MISS MAUREEN JENNER 1
1 Institute of Medical and Veterinary Science, Frome Road, Adelaide, South
Australia.
A defect in a serum thromboplastic component was found in six patients with
severe thrombocytopenic purpura in addition to the platelet thromboplastic
defect.
The defective sera returned to normal spontaneously upon storage at -20 C.
The addition of washed normal platelets during coagulation completely corrected the serum defect in the one instance in which it was possible to carry out
the experiment.
It was postulated that a platelet factor was primarily at fault, resulting in the
lack of immediate activation of a serum thromboplastic component.
The two thromboplastic defects are cumulative and are possibly dependent
upon separate platelet factors.
Submitted on December 4, 1956
Accepted on March 7, 1957