Heparin Solution and INTEM/HEPTEM Analysis

Influence by Heparinized Flush Solution of the Radial Artery Catheter: INTEM and HEPTEM Analysis.

Heparinized solution has been used for maintenance of arterial catheter during perioperative period. Although the infused dose of heparin is very low, the investigators examine whether the heparin effect is remained or not in blood using rotational thromboelastometry (ROTEM) analysis.

Inclusion Criteria:

• Patients requiring continuous invasive arterial pressure monitoring during operation for anesthetic management.

Exclusion Criteria:

• heparin hypersensitivity
• hematologic disease
• anticoagulant medication