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)
1 other identifier
observational
20
1 country
1
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Jan 2008
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2008
CompletedFirst Submitted
Initial submission to the registry
May 4, 2009
CompletedFirst Posted
Study publicly available on registry
May 5, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2011
CompletedJune 10, 2026
June 1, 2026
3 years
May 4, 2009
June 8, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Correlation between pre cardiopulmonary bypass (CPB) and post CPB POC INR and PTT with standard laboratory INR and PTT
2 months
Study Arms (1)
POC INR and APTT Hemochron
Adult patients undergoing elective on pump coronary artery bypass grafting surgery who have not received anticoagulants or clopidogrel within 5 days preoperatively.
Eligibility Criteria
Adult patient undergoing elective on pump CABG
You may qualify if:
- did not receive anticoagulants or clopidogrel within 5 days preoperatively
You may not qualify if:
- history of coagulopathy
- heparin resistance
- receiving heparin or warfarin
- hepatic or renal dysfunction
- pregnancy
- urgent or emergency cases
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- McMaster Universitylead
- St. Joseph's Healthcare Hamiltoncollaborator
Study Sites (1)
Hamilton General Hospital
Hamilton, Ontario, L8L 2X2, Canada
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Summer Syed, MD
Hamilton Health Sciences Corporation
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 4, 2009
First Posted
May 5, 2009
Study Start
January 1, 2008
Primary Completion
January 1, 2011
Study Completion
January 1, 2011
Last Updated
June 10, 2026
Record last verified: 2026-06