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Plaque modification and stabilization after paclitaxel‑coated balloon treatment for de novo coronary lesions

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Author(s)
Ae‑Young HerEun‑Seok ShinJu‑Hyun ChungYong Hoon KimScot GargJoo Myung LeeJoon‑Hyung DohChang‑Wook NamBon‑Kwon Koo
Keimyung Author(s)
Nam, Chang Wook
Department
Dept. of Internal Medicine (내과학)
Journal Title
Heart and Vessels
Issued Date
2019
Volume
34
Issue
7
Keyword
Paclitaxel-coated balloonDe novo coronary lesionsOptical coherence tomographyVessel remodelingFractional flow reserve
Abstract
This study aimed to assess the healing response, as evidenced through temporal morphological and functional changes, following paclitaxel-coated balloon (PCB) treatment of de novo coronary lesions. This retrospective, observational study, included patients with significant de novo coronary lesions who were treated with PCB and had serial angiographic, intravascular ultrasound virtual histology (IVUS-VH), fractional flow reserve (FFR) measurements, and optical coherence tomography (OCT) performed before balloon angioplasty (BA), after BA, and at 9-month follow-up. A total of 20 patients (21 lesions) were included in this study. After PCB treatment, IVUS showed significant increases in the mean vessel area (12.0 ± 2.2 mm2 to 13.8 ± 2.5 mm2, p = 0.023), and mean lumen area (5.6 ± 1.2 mm2 to 7.0 ± 1.5 mm2, p = 0.003). Coronary flow was restored after BA with an FFR value of 0.87 ± 0.04 which was sustained at 9-month follow-up with no significant decrease (0.83 ± 0.08, p = 0.329). Serial OCT analysis showed that at 9-month follow-up dissections after BA sealed in 14 lesions (67%), whilst the macrophages decreased from 10 (50%) to 7 (35%) lesions, and the cap thickness of plaque increased from 0.12 ± 0.06 mm to 0.17 ± 0.09 mm (p = 0.007). PCB treatment for de novo coronary lesions showed persistent anatomical and functional patency at mid-term follow-up. Plaque modification, vascular remodeling, and plaque stabilization were also observed during follow-up.
Keimyung Author(s)(Kor)
남창욱
Publisher
School of Medicine (의과대학)
Citation
Ae‑Young Her et al. (2019). Plaque modification and stabilization after paclitaxel‑coated balloon treatment for de novo coronary lesions. Heart and Vessels, 34(7), 1113–1121. doi: 10.1007/s00380-019-01346-9
Type
Article
ISSN
1615-2573
Source
https://link.springer.com/article/10.1007%2Fs00380-019-01346-9
DOI
10.1007/s00380-019-01346-9
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41918
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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