Improved reproducibility in measuring LV volumes and mass using multicoil breath-hold cine MR imaging
✍ Scribed by Hajime Sakuma; Sebastian Globits; Michael W. Bourne; Ann Shimakawa; Thomas K. Foo; Charles B. Higgins
- Book ID
- 102373073
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 461 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1053-1807
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✦ Synopsis
Abstract
There is a generally recognized need for improvement in quality of fast cardiac MR images. Consequently, breath‐hold cine MR images were obtained with multiple surface coils connected to phased array receivers, and C/N, intra‐observer and inter‐observer variabilities for LV volumes and mass were evaluated. Two sets of short‐axis images of the LV, one with multiple surface coils and another with a body coil, were acquired in eight subjects with a fast cine MR sequence using k‐space segmentation (TR/TE=7/2.2 msec, temporal resolution=56 msec). C/N with multicoil imaging was 32.2 ± 7.6 (mean ± SD), significantly higher than that with a body coil (11.0 ± 3.3, P < .01). The mean percentage differences in intra‐observer and inter‐observer measurements with multicoil imaging were significantly better than those with a body coil. In conclusion, multicoil imaging provides significant gain in C/N on breath‐hold cine MRI of the heart. In addition, intra‐observer and inter‐observer reproducibilities are improved with multicoil imaging.