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HeartRhythm Case Reports

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Presentation on theme: "HeartRhythm Case Reports"— Presentation transcript:

1 HeartRhythm Case Reports
A case of balloon angioplasty guided by integrated backscatter intravascular ultrasound for the treatment of pulmonary vein stenosis caused by radiofrequency atrial fibrillation  Keita Tsukahara, MD, Yasushi Oginosawa, MD, PhD, Shinjo Sonoda, MD, PhD, Hisaharu Ohe, MD, Ritsuko Kohno, MD, PhD, Yutaka Otsuji, MD, PhD, Haruhiko Abe, MD, PhD, FHRS  HeartRhythm Case Reports  DOI: /j.hrcr Copyright © 2019 Heart Rhythm Society Terms and Conditions

2 Figure 1 Contrast-enhanced computed tomography showing a left inferior pulmonary vein stenosis. HeartRhythm Case Reports DOI: ( /j.hrcr ) Copyright © 2019 Heart Rhythm Society Terms and Conditions

3 Figure 2 Integrated backscatter intravascular ultrasound (IB-IVUS) findings for the left inferior pulmonary vein stenosis (PVS) and a normal pulmonary vein. A: The upper figures show the segment of the PVS. The left panel shows the original IVUS finding, while the center panel shows the region of interest. The right panel shows IB-IVUS findings, which classify the plaque into 5 different colors (purple and blue: intimal hyperplasia or lipid core; green: fibrous tissue; yellow: dense fibrosis; red: calcification). The segment of the PVS shows 33% green tissue, 39% blue tissue, and 28% purple tissue. B: The lower figures show a nonstenotic pulmonary vein distal to the PVS, which is mostly composed of green tissue (fibrosis). HeartRhythm Case Reports DOI: ( /j.hrcr ) Copyright © 2019 Heart Rhythm Society Terms and Conditions

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