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Ultrasound attenuation behind coronary atheroma without calcification: mechanism revealed by autopsy

Authors :
Rintaro Nakajima
Takashi Yoshitama
Masao Moroi
Masamichi Wada
Masato Nakamura
Taeko Kunimasa
Takahiro Tsuji
Hisao Hara
Raisuke Iijima
Tetsuya Kubota
Masanori Shiba
Taro Tsunoda
Source :
Acute cardiac care. 8(2)
Publication Year :
2006

Abstract

When performing intravascular ultrasound studies, the backward echo image can show marked attenuation, although there are no calcified deposits and it may be impossible to detect the intraplaque architecture. The pathology underlying this phenomenon was investigated in autopsy specimens. We hypothesize that the mechanism responsible for the attenuation involves micro‐calcification and lipid in unstable plaques causing ultrasonic wave reflection and dispersion.

Details

ISSN :
17482941
Volume :
8
Issue :
2
Database :
OpenAIRE
Journal :
Acute cardiac care
Accession number :
edsair.doi.dedup.....3a2246f62bd541aef2786ca560b51886