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Updated: Aug 9, 2026

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
Intracoronary blood sampling using the multifunction probing catheter does not cause platelet activation
H C Lowe1, B Murray, B H Chong
1Centre for Thrombosis and Vascular Research, Level 4, Faculty of Medicine, University of New South Wales, Randwick, NSW, 2052, Australia. h.lowe@student.unsw.edu.au.
Insights
Intracoronary blood sampling using a multifunction probing catheter in patients with coronary artery disease did not cause ex vivo platelet activation. This finding supports the catheter
Area of Science:
- Cardiology
- Biomedical Engineering
Background:
- Coronary artery disease (CAD) diagnosis often involves invasive procedures.
- Accurate blood sampling is crucial for assessing cardiovascular health.
- Minimizing iatrogenic effects during blood collection is essential.
Purpose of the Study:
- To evaluate the multifunction probing catheter for intracoronary blood sampling.
- To determine if this method causes ex vivo platelet activation in CAD patients.
Main Methods:
- Intracoronary blood samples were obtained using the multifunction probing catheter.
- Patients had angiographically demonstrated coronary artery disease.
- Ex vivo platelet activation was assessed post-sampling.
Main Results:
- The multifunction probing catheter successfully obtained intracoronary blood samples.
- No significant ex vivo platelet activation was observed.
Conclusions:
- The multifunction probing catheter is a viable tool for intracoronary blood sampling in CAD patients.
- This method avoids ex vivo platelet activation, ensuring sample integrity.
Abstract:
We sought to test the hypothesis that intracoronary blood sampling in patients with angiographically demonstrated coronary artery disease could be performed using the multifunction probing catheter (Schneider, Bulach, Switzerland), without causing ex vivo platelet activation.

