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Comparing Point of Care Clotting Tests in the OR Versus Standard Laboratory Clotting Tests

Comparison Between Point of Care INR and aPTT Hemochron Jr Whole Blood Measurement With Standard Laboratory in Patients Having Elective First Time on Pump Coronary Artery Bypass Grafting (CABG)

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00892905
Enrollment
20
Registered
2009-05-05
Start date
2008-01-01
Completion date
2011-01-01
Last updated
2026-06-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary Artery Bypass Grafting

Keywords

coagulation, INR, aPTT, point of care, laboratory, CABG, surgery

Brief summary

The purpose of this study is determine the agreement of point of care (POC) clotting tests (INR and aPTT) by the POC device by Hemochron Jr versus standard laboratory clotting tests (INR and aPTT) in patients undergoing elective cardiac surgery.

Detailed description

The study is a correlation between POC Hemochron Jr INR and aPTT with the standard.

Interventions

None listed

Sponsors

McMaster University
Lead SponsorOTHER
St. Joseph's Healthcare Hamilton
CollaboratorOTHER

Study design

Observational model
OTHER
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* did not receive anticoagulants or clopidogrel within 5 days preoperatively

Exclusion criteria

* history of coagulopathy * heparin resistance * receiving heparin or warfarin * hepatic or renal dysfunction * pregnancy * urgent or emergency cases

Design outcomes

Primary

MeasureTime frame
Correlation between pre cardiopulmonary bypass (CPB) and post CPB POC INR and PTT with standard laboratory INR and PTT2 months

Countries

Canada

Contacts

PRINCIPAL_INVESTIGATORSummer Syed, MD

Hamilton Health Sciences Corporation

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 11, 2026