Gender differences of plaque characteristics in elderly patients with stable angina pectoris: an intravascular ultrasonic radiofrequency data analysis.
The purpose of this study was to evaluate the relation between gender and plaque characteristics assessed by virtual histology-intravascular ultrasound (VH-IVUS) in patients with stable angina pectoris. Preinterventional VH-IVUS image was available for analysis in 88 men and 60 women patients. Women had significantly smaller vessel volume (12.7 ± 3.9 versus 14.5 ± 4.2 mm(3)/mm, P = .01) and smaller plaque volume (8.4 ± 3.5 versus 9.7 ± 3.5 mm(3)/mm, P = .04). However, these differences were no longer significant when corrected for body surface area (BSA). In VH-IVUS analysis, women had significantly higher dense calcium when corrected for BSA in the culprit lesion (volume: 0.32 ± 0.26 versus 0.44 ± 0.40 mm(3)/mm/BSA, P = .03; proportion: 8.2 ± 6.1 versus 11.2 ± 7.6%, P = .009). VH-IVUS analysis of plaque components in elderly patients with stable angina showed that women had higher calcium contents compared with men.
Cardiovascular Division, Saitama Citizens Medical Center, 299-1 Shimane, Nishi-ku, Saitama 331-0054, Japan.
Tomohiro
T
Nakamura
Manabu
M
Ogita
Junya
J
Ako
Shin-Ichi
S
Momomura
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