Research Article

Calcification Characteristics of Low-Flow Low-Gradient Severe Aortic Stenosis in Patients Undergoing Transcatheter Aortic Valve Replacement

Table 2

Aortic valve calcification characteristics.

ParametersCombinedLFLGAS Non-LFLGAS value

Total aortic valve
 Calcification volume (mm3)1106 ± 164627 ± 611264 ± 216<0.001
 Calcification mass (mg)660 ± 34398 ± 39747 ± 41<0.001
 Calcification density (HU)817 ± 10766 ± 18834 ± 12 0.004
Noncoronary cusp
 Calcification volume (mm3)378 ± 20222 ± 20429 ± 24<0.001
 Calcification mass (mg)282 ± 20200 ± 60309 ± 18<0.001
 Calcification density (HU)810 ± 13754 ± 20852 ± 11 0.01
Right coronary cusp
 Calcification volume (mm3)272 ± 18201 ± 26295 ± 21 0.06
 Calcification mass (mg)186 ± 13127 ± 17206 ± 16 0.03
 Calcification density (HU)801 ± 10752 ± 19829 ± 16 0.004
Left coronary cusp
 Calcification volume (mm3)309 ± 22204 ± 28344 ± 27 0.01
 Calcification mass (mg)219 ± 17127 ± 18250 ± 21<0.001
 Calcification density (HU)835 ± 10785 ± 17817 ± 11 0.003

denotes a significant difference between patients with low-flow low-gradient severe aortic stenosis (LFLGAS) and those with non-LFLGAS.