Key result
The axillary artery was typically smaller than the common femoral artery (mean difference 1.69 mm), but was of comparable size in 19.8% of patients and larger in 8.3%.
Why the study?
Is the axillary artery of comparable size to the common femoral artery to accommodate large sheaths for procedures like TAVR?
Observational (n=110)
No
Is the axillary artery of comparable size to the common femoral artery to accommodate large sheaths for procedures like TAVR?
Mean Difference: 1.69
CT angiography demonstrates that the axillary artery is often comparable in size to the common femoral artery and large enough to accommodate up to an 18 French sheath, supporting its viability as an alternative access site for TAVR.
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Supports axillary access for large sheaths in select patients; leaves open prospective safety trials before TAVR adoption.
Tayal et al. (2016) conducted an observational in Suspected aortic dissection (n=110). Axillary artery diameter vs. Common femoral artery (CFA) diameter was evaluated on Size comparison between axillary artery and common femoral artery (MD 1.69 mm). The axillary artery was typically smaller than the common femoral artery (mean difference 1.69 mm), but was of comparable size in 19.8% of patients and larger in 8.3%.
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