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Pharmacokinetics of Tranexamic Acid in Patients With Varying Renal Function Undergoing Cardiac Surgery With the Use of Cardiopulmonary Bypass

Cardiac Disease Clinical Trial

Official title:
Pharmacokinetics of Tranexamic Acid in Patients With Varying Renal Function Undergoing Cardiac Surgery With the Use of Cardiopulmonary Bypass

Clinical Trial Summary

Cardiopulmonary bypass surgery is associated with extensive blood loss in upto 20% of patients. Tranexamic acid (TXA) is a routinely administered antifibrinolytic agent that reduces blood loss and blood transfusion requirement. However, standard dosing of TXA in patients suffering from renal dysfunction and undergoing cardiopulmonary bypass surgery may lead to higher blood concentration of TXA when compared to the patients with normal renal function. Solid phase microextraction (SPME) is a fast and simple method to measure TXA levels. This prospective study on cadiac surgical patients undergoing cardiopulmonary bypass aims to study the pharmacokinetics of TXA in patients with renal dysfunction. Two patient groups will be studied who will receive either TXA 50mg/kg bolus or BART regimen (30 mg/kg, 16 mg/kg/h + 2 mg/kg pump prime) depending on the type of cardiac surgical procedure and bleeding risk.

Hypothesis: Standard dosing of TXA used in cardiac surgery result in higher blood concentration of TXA in patients with renal dysfunction when compared to patients with normal renal function.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01609686
Study type Observational
Source University Health Network, Toronto
Contact
Status Completed
Phase N/A
Start date January 2012
Completion date March 2016
View Details
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