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.
Study Type
OBSERVATIONAL
Enrollment
25
Heparinized flush solution contained heparin concentration of 2 unit/ml and continuous flow of the flush solution was 5 ml/h at 300 mmHg.
Seoul National University Bundang Hospital
Seonnam, Gyounggi, South Korea
INTEM test
INTEM is not an abbriviation. INTEM is one of the ROTEM test and it is an coagulation test name (such as prothrombin time test) using patient's whole blood. We put the blood sample of patinet into the machine, so the result comes out automatically. It will be checked twice at pre- and postopertive 30 minute and it'll be analyzed and compared.
Time frame: at 30 min before operation and 30 min after operation
HEPTEM test
HEPTEM is not an abbriviation. HEPTEM is one of the ROTEM test and it is an coagulation test name (such as prothrombin time test) using patient's whole blood. We put the blood sample of patinet into the machine, so the result comes out automatically. It will be checked twice at pre- and postopertive 30 minute and it'll be analyzed and compared.
Time frame: at 30 min before operation and 30 min after operation
Total infused units of heparin
Time frame: periond from starting operation to finishing operation (espected average of 5 hours).
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