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The Annals of Thoracic Surgery, Vol 47, 450-452, Copyright © 1989 by The Society of Thoracic Surgeons
JW Baker, WD Spotnitz, TL Matthew, RE Fechner and SP Nolan
There is continued controversy regarding the effectiveness and potential
adverse effects of fibrin glue. Thus, we chose to evaluate it in a model of
experimental calf aortic valve replacement that has been previously well
established. Concentrated fibrinogen and topical thrombin were sprayed to
form a thin layer of fibrin glue over the mediastinal tissues of 20
consecutive calves undergoing aortic valve replacement. Chest tube outputs
of these animals were compared with those of the preceding 20 consecutive
calves undergoing aortic valve replacement without fibrin glue. All
procedures were performed by the same surgeon, and no other technical
changes were made between the two series. Total postoperative chest tube
output (mean +/- standard error) was 553 +/- 50 mL for the calves treated
with fibrin glue and 1,155 +/- 103 mL for the control calves (p less than
0.001). On histological examination of mediastinal tissues from 5 treated
calves killed 6 weeks after operation, there was no evidence of
inflammation, fibrosis, or residual fibrin. To our knowledge, this is the
first controlled laboratory study to show that fibrin glue spray is an
effective hemostatic agent and that it produces no long-term tissue
reaction.
ARTICLES
Mediastinal fibrin glue: hemostatic effect and tissue response in calves
Department of Surgery, University of Virginia School of Medicine, Charlottesville.
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