• N Tsujiguchi, S Kohro, J Arakawa, T Omote, M Yamakage, and A Namiki.
• Department of Anesthesia, Asahikawa Red Cross Hospital.
• Masui. 1998 Mar 1;47(3):318-21.

AbstractWe investigated the effect of scalp infiltration with bupivacaine on blood coagulability and fibrinolysis in neurovascular surgery. Patients were randomly divided into two groups: scalp infiltration group (who received scalp infiltration with 0.5% bupivacaine prior to surgical incision, n = 7) and control group (n = 6). The blood coagulability and fibrinolysis were measured before and after surgical incision using a thromboelastogram (Thromboelastograph C-3000, Haemoscope). In the control group, the reaction and coagulation times were significantly shortened (30% and 23%, respectively, P < 0.05) and the maximum amplitude, which reflects coagulability, increased significantly (21%, P < 0.01) compared to each presurgical value. The scalp infiltration prior to the surgical incision prevented these reactions (P < 0.05). The fibrinolytic rate did not change in either group. We conclude that scalp infiltration prior to surgical incision is beneficial for attenuating an increase in blood coagulability, which could induce perioperative complications due to associated systemic diseases (i.e. hypertension, diabetes, ischemic heart disease, etc.).

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