PET Imaging of CXCR4 and Cardiovascular Risk
Author Information
Author(s): Kosmala Aleksander, Hasenauer Natalie, Serfling Sebastian E., Michalski Kerstin, Fröhlich Matthias, Dreher Niklas, Hartrampf Philipp E., Higuchi Takahiro, Buck Andreas K., Weich Alexander, Reiter Theresa, Werner Rudolf A.
Primary Institution: University Hospital Würzburg
Hypothesis
What is the relationship between CXCR4-directed PET signal and calcified plaque burden in the arterial tree?
Conclusion
High focal uptake of [68Ga]Ga-PentixaFor in the arterial tree was not consistently linked to vessel wall calcification or cardiovascular risk.
Supporting Evidence
- 1292 sites of high focal [68Ga]Ga-PentixaFor uptake were identified in 100% of patients.
- Only 29.8% of PentixaFor+ sites had concomitant calcification.
- Significant correlations were found between the number of PentixaFor+ sites and cardiovascular risk factors.
Takeaway
Doctors used a special scan to see if a certain signal in blood vessels is related to heart problems, but they found it wasn't really connected.
Methodology
The study assessed 65 oncological patients undergoing [68Ga]Ga-PentixaFor PET/CT, measuring radiotracer uptake and calcified plaque burden.
Potential Biases
Potential biases in patient selection due to the retrospective nature and focus on oncological patients.
Limitations
The study's retrospective design and small sample size limit its ability to establish causation and generalizability.
Participant Demographics
Mean age 63 years, 33.8% female, with various cancer types and cardiovascular risk factors.
Statistical Information
P-Value
0.04
Confidence Interval
1.02-1.14
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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