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The Journal of Thoracic and Cardiovascular Surgery, Vol 89, 623-629, Copyright © 1985 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association
JD Milam, SF Austin, MR Nihill, AS Keats and DA Cooley
During surgical correction of cyanotic heart disease with associated
polycythemia, sufficient reduction of hemoglobin and hematocrit values has
proved effective in preventing postoperative coagulopathies. Three groups
of surgical patients were studied: Group I--a control group consisting of
75 adults undergoing uncomplicated correction of acquired heart disease and
requiring no blood or blood component transfusion; Group II--15 patients
with tetralogy of Fallot whose intraoperative hemoglobin values remained
above 10 gm/dl with conventional hemodilution techniques; and Group III--21
cyanotic surgical patients whose intraoperative hemoglobin values were
lowered to less than 10 gm/dl with sufficient hemodilution. Group III was
further broken down into a subgroup of six patients (Group IIIa) who
underwent sequential laboratory determinations, as in Group I. In Group
IIIa, postoperative coagulation function tests were only slightly more
abnormal than in the nonpolycythemic control group (Group I). Patients in
Group III (who had ample hemodilution) experienced 45% less bleeding and
required 54% fewer blood components than those in Group II (who underwent
conventional hemodilution).
ARTICLES
Use of sufficient hemodilution to prevent coagulopathies following surgical correction of cyanotic heart disease
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