Relationship between coronary angioscopic and intravascular ultrasound imaging and restenosis.

S. Xu, M. Nomura, H. Kurokawa, T. Ando, M. Kimura, J. Ishii, H. Hasegawa, T. Kondo, S. Tadiki, P. Qi

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Abstract

In order to investigate the relationship between restenosis and the morphology detected by coronary angioscopy (CASC) and introvascular ultrasound imaging (IVUS), 17 patients were detected by CASC and IVUS immediately and 3 months after percutaneous transluminal coronary angioscopy (PTCA). The results showed that the dilation index by IVUS (DIu) was significantly lower in restenosis patients than in non-restenosis patients (0.42 +/- 0.08 versus 0.78 +/- 0.16, P < 0.01) and that the elastic recoil (ER) was higher in restenosis patients than in non-restenosis patients (4.51 +/- 1.42 mm2 versus 1.63 +/- 1.20 mm2, P < 0.01), and that the elastic recoil rate (ERR) was also higher in restenosis patients than in non-restenosis patients (57.3 +/- 8.07% versus 21.80 +/- 16.84% P < 0.01), and that coronary dissection, atheromatous plaque and calcification as well as the colour of inner coronary artery had no relation with chronic restenosis. In conclusion, the elastic recoil is one of the important factors of chronic restenosis after PTCA.

Original languageEnglish
Pages (from-to)743-749
Number of pages7
JournalChinese medical journal
Volume108
Issue number10
Publication statusPublished - 10-1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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    Xu, S., Nomura, M., Kurokawa, H., Ando, T., Kimura, M., Ishii, J., Hasegawa, H., Kondo, T., Tadiki, S., & Qi, P. (1995). Relationship between coronary angioscopic and intravascular ultrasound imaging and restenosis. Chinese medical journal, 108(10), 743-749.