| Autor: |
Kunihiko Kiuchi, MD, Katsunori Okajima, MD, Akira Shimane, MD, Kiminobu Yokoi, MD, Jin Teranishi, MD, Kousuke Aoki, MD, Misato Chimura, MD, Hideo Tsubata, MD, Taishi Miyata, MD, Yuuki Matsuoka, MD, Takayoshi Toba, MD, Shogo Ohishi, MD, Takahiro Sawada, MD, Yasue Tsukishiro, MD, Tetsuari Onishi, MD, Seiichi Kobayashi, MD, Shinichiro Yamada, MD, Yasuyo Taniguchi, MD, Yoshinori Yasaka, MD, Hiroya Kawai, MD, Kazushi Ikeuchi, RT, Yutaka Shigenaga, RT, Takayuki Ikeda, RT |
| Jazyk: |
angličtina |
| Rok vydání: |
2015 |
| Předmět: |
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| Zdroj: |
Journal of Arrhythmia, Vol 31, Iss 3, Pp 152-158 (2015) |
| Druh dokumentu: |
article |
| ISSN: |
1880-4276 |
| DOI: |
10.1016/j.joa.2014.10.003 |
| Popis: |
Background: The radiofrequency (RF) lesions for atrial fibrillation (AF) ablation can be visualized by delayed enhancement magnetic resonance imaging (DE-MRI). However, the quality of anatomical information provided by DE-MRI is not adequate due to its spatial resolution. In contrast, magnetic resonance angiography (MRA) provides similar information regarding the left atrium (LA) and pulmonary veins (PVs) as computed tomography angiography. We hypothesized that DE-MRI fused with MRA will compensate for the inadequate image quality provided by DE-MRI. Methods: DE-MRI and MRA were performed in 18 patients who underwent AF ablation (age, 60±9 years; LA diameter, 42±6 mm). Two observers independently assessed the DE-MRI and DE-MRI fused with MRA for visualization of the RF lesion (score 0–2; where 0: not visualized and 2: excellent in all 14 segments of the circular RF lesion). Results: DE-MRI fused with MRA was successfully performed in all patients. The image quality score was significantly higher in DE-MRI fused with MRA compared to DE-MRI alone (observer 1: 22 (18, 25) vs 28 (28, 28), p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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