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THE THERAPEUTIC ROLE OF EPSILON‐AMINOCAPROIC ACID (EACA) FOR DENTAL EXTRACTIONS IN HEMOPHILIACS
Author(s) -
Walsh Peter N.,
Rizza Charles R.,
Evans Bruce E.,
Aledort Louis M.
Publication year - 1975
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1111/j.1749-6632.1975.tb53359.x
Subject(s) - medicine , surgery , aminocaproic acid , factor ix
The results of a double-blind controlled trial, previously reported, showed that EACA is a useful adjunct to preoperative therapeutic concentrates of factor VIII or IX for dental extractions in hemophilia and Christmas disease. To estimate the amount of factor VIII and IX conserved in hemophiliacs receiving EACA for dental surgery compared with those not receiving EACA we have surveyed the usage of therapeutic materials in ten hemophilia centers in the U.S. and at Oxford. The amount of postoperative factor-VIII containing materials given to 20 U.S. hemophiliacs not receiving EACA averaged 11 062 units of factor-VIII activity per patient; 4,146 units for each of 22 U.S. patients receiving EACA; and 717 units for each of 56 patients at Oxford receiving EACA. Conservation of factor-IX-containing material was not as great. At Oxford 62.5% of patients receiving preoperative factor-VIII or -IX concentrates sufficient to raise the deficient factor to 50% of normal together with EACA, 24 g per day for ten days, required no postoperative therapeutic materials to control bleeding. The remainder required an average of two postoperative doses to control bleeding.