Korean Circulation Journal

  • 제46권1호
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  • Pages.33-40
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  • 2016
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  • 1738-5520(pISSN)
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  • 1738-5555(eISSN)
대한심장학회 (The Korean Society of Cardiology)
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Analysis of Plaque Composition in Coronary Chronic Total Occlusion Lesion Using Virtual Histology-Intravascular Ultrasound

  • Park, Yo-Han (Cardiology, Heart Center, Konyang University Hospital) ;
  • Kim, Yong-Kyun (Cardiology, Heart Center, Konyang University Hospital) ;
  • Seo, Duck-Jun (Cardiology, Heart Center, Konyang University Hospital) ;
  • Seo, Young-Hoon (Cardiology, Heart Center, Konyang University Hospital) ;
  • Lee, Chung-Seop (Cardiology, Heart Center, Konyang University Hospital) ;
  • Song, In-Geol (Cardiology, Heart Center, Konyang University Hospital) ;
  • Yang, Dong-Ju (Cardiology, Heart Center, Konyang University Hospital) ;
  • Kim, Ki-Hong (Cardiology, Heart Center, Konyang University Hospital) ;
  • Park, Hyun-Woong (Cardiology, Heart Center, Konyang University Hospital) ;
  • Kim, Wan-Ho (Cardiology, Andong Sungso Hospital) ;
  • Bae, Jang-Ho (Cardiology, Heart Center, Konyang University Hospital)
  • 투고 : 2015.04.15
  • 심사 : 2015.06.30
  • 발행 : 2016.01.30
⟨ 이전 논문 다음 논문 ⟩

초록

Background and Objectives: Success rates of chronic total occlusion (CTO) percutaneous coronary intervention (PCI) have recently been reported to range from 80% to 90%. A better understanding of the pathologic characteristics of the CTO lesion may helpful to improving CTO PCI success rates. We evaluated the CTO lesion in patients with stable angina (SA) by virtual histology-intravascular ultrasound (VH-IVUS). Subjects and Methods: The study population consisted of 149 consecutive patients with SA underwent VH-IVUS examination. We analyzed demographic and VH-IVUS findings in 22 CTO patients (17 males; mean, 62.3 years old) compared with 127 non-CTO patients (82 males; mean, 61.3 years old). Results: A significantly lower ejection fraction ($57.6{\pm}13.0%$ vs. $65.4{\pm}8.8%$, p=0.007) was detected in the CTO group compared with the non-CTO group. Reference vessel lumen area of the proximal and distal segment was significantly less in CTO group than in non-CTO-group. The lesion length of the CTO group was significantly longer than those of the non-CTO group ($24.4{\pm}9.6mm$ vs. $17.2{\pm}7.4mm$, p<0.001). Total atheroma volume ($224{\pm}159mm^3$ vs. $143{\pm}86mm^3$, p=0.006) and percent atheroma volume ($63.2{\pm}9.6%$ vs. $55.8{\pm}8.5%$, p=0.011) of the CTO group were also significantly greater than those of non-CTO group. However, the lesion length adjusted plaque composition of the CTO group was not significantly different compared with that of the non-CTO group. Conclusion: CTO lesions had a longer lesion length and greater plaque burden than the non-CTO lesion in patients with SA. However, lesion length adjusted plaque composition showed similar between the two groups. These results support that plaque characteristics of CTO lesions are similar to non-CTO lesions in patients with SA.

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참고문헌

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피인용 문헌

  1. Current approaches for treatment of coronary chronic occlusions vol.16, pp.11, 2016, https://doi.org/10.1080/17434440.2019.1676729