Disorders of the hemostasis system while doing coronary shunting on a working heart
Abstract
Objective. To investigate the connection between application of solutions for infusion and parameters of the hemostasis system while the elective operations performance of coronary shunting on the working heart.
Materials and methods. The results of examination and surgical treatment were analyzed in 80 patients, in whom coronary shunting on the working heart was conducted. The patients were divided into three groups: the Investigation Group I (IG I) – 20 patients, in whom colloidal solution of hydroxyethyl starch (HES) 130/0.4 was applied intraoperatively, the Investigation Group II (IG II) - 20 patients, in whom colloidal 4% solution of gelatin was used intraoperatively, and a Control Group, consisted of 40 patients, in whom only crystalloidal solutions were included in the infusion therapy program. The coagulation hemostasis indices, the blood loss volume and the need for hemotransfusion were compared.
Results. In the IG I patients the volume of perioperative blood loss was more than in the IG II patients – (615 ± 191) and (438 ± 62) ml, accordingly (p=0.0003), and the coagulation hemostasis indices were trustworthily lower at the operation ending, demanding the erythrocytic mass transfusion doing in 3 (15%) patients. The IG II patients, comparing with the Control Group, suffered more volume of the blood loss - (560 ± 164) and (438 ± 62) ml, accordingly (p=0,02), and the changes in the coagulation indices, similar to changes in patients of the IG I, comparing with the Control Group patients. Any patient from the IG II needed hemotransfusion perioperatively.
Conclusion. Application of colloidal solutions while doing elective operations of CSH on the working heart leads to disorder of coagulation hemostasis, the intraoperative blood loss and the need for hemotransfusion enhancement.
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