HeartRhythm Case Reports

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HeartRhythm Case Reports

Presentation transcript:

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: 10.1016/j.hrcr.2019.06.008 Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 1 Contrast-enhanced computed tomography showing a left inferior pulmonary vein stenosis. HeartRhythm Case Reports DOI: (10.1016/j.hrcr.2019.06.008) Copyright © 2019 Heart Rhythm Society Terms and Conditions

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: (10.1016/j.hrcr.2019.06.008) Copyright © 2019 Heart Rhythm Society Terms and Conditions