Xiaolin Lei1, Hong Liu1, Yuchi Han2, Wei Cheng3, Jiayu Sun3, Yong Luo1, Dan Yang1, Yang Dong1, Yiochu Chung4, Yucheng Chen1. 1. Cardiology Division, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. 2. Cardiovascular Division, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 3. Radiology Department, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. 4. Paul C. Lauterbur Research Centre for Biomedical Imaging, Shenzhen Key Laboratory for MRI, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China.
Abstract
PURPOSE: To establish normal reference values of left ventricular (LV) and right ventricular (RV) dimension, volume, mass, and ejection fraction in a Chinese population using cardiac magnetic resonance imaging (MRI). MATERIALS AND METHODS: A total of 120 (60 males; 60 females; 23-83 years) healthy Han Chinese subjects without cardiovascular disease or risk factors were recruited. They underwent comprehensive MRI examination at 3.0T. LV/RV morphology and function were evaluated by steady-state free-procession (SSFP) sequence. Parameters were analyzed according to a standard postprocessing protocol. RESULTS: Significant differences in LV size, mass, volume, and ejection fraction (EF) between sexes were noted (all P < 0.05). After indexing using body surface area (BSA), LV end-diastolic volume (EDV), and LV mass index were greater in males than in females (76.5 vs. 68.7 mL/m, P < 0.001; 52.9 vs. 45.1 g/m, P < 0.001; respectively). LVEF was lower in males than in females (64.6% vs. 67.1%, P = 0.007, respectively). RV volume was higher and RVEF lower in males compared with females (75.3 vs. 62.7 mL/m, P < 0.001; 59.9% vs. 62.6%, P = 0.001, respectively). Age was associated significantly with indices of LV and RV volume in females (left ventricular end-diastolic volume index: r = -0.41 P = 0.001; left ventricular end-systolic volume index: r = -0.37 P = 0.004; left ventricular end-diastolic volume index: r = -0.53 P < 0.001; right ventricular end-systolic volume index: r = -0.43 P < 0.001), but not in males (all P > 0.05). CONCLUSION: These data suggest that sex and age affect ventricular parameters in healthy Han Chinese subjects without cardiovascular disease or risk factors. LEVEL OF EVIDENCE: 2 Technical Efficacy: Stage 2 J. MAGN. RESON. IMAGING 2017;45:1684-1692.
PURPOSE: To establish normal reference values of left ventricular (LV) and right ventricular (RV) dimension, volume, mass, and ejection fraction in a Chinese population using cardiac magnetic resonance imaging (MRI). MATERIALS AND METHODS: A total of 120 (60 males; 60 females; 23-83 years) healthy Han Chinese subjects without cardiovascular disease or risk factors were recruited. They underwent comprehensive MRI examination at 3.0T. LV/RV morphology and function were evaluated by steady-state free-procession (SSFP) sequence. Parameters were analyzed according to a standard postprocessing protocol. RESULTS: Significant differences in LV size, mass, volume, and ejection fraction (EF) between sexes were noted (all P < 0.05). After indexing using body surface area (BSA), LV end-diastolic volume (EDV), and LV mass index were greater in males than in females (76.5 vs. 68.7 mL/m, P < 0.001; 52.9 vs. 45.1 g/m, P < 0.001; respectively). LVEF was lower in males than in females (64.6% vs. 67.1%, P = 0.007, respectively). RV volume was higher and RVEF lower in males compared with females (75.3 vs. 62.7 mL/m, P < 0.001; 59.9% vs. 62.6%, P = 0.001, respectively). Age was associated significantly with indices of LV and RV volume in females (left ventricular end-diastolic volume index: r = -0.41 P = 0.001; left ventricular end-systolic volume index: r = -0.37 P = 0.004; left ventricular end-diastolic volume index: r = -0.53 P < 0.001; right ventricular end-systolic volume index: r = -0.43 P < 0.001), but not in males (all P > 0.05). CONCLUSION: These data suggest that sex and age affect ventricular parameters in healthy Han Chinese subjects without cardiovascular disease or risk factors. LEVEL OF EVIDENCE: 2 Technical Efficacy: Stage 2 J. MAGN. RESON. IMAGING 2017;45:1684-1692.
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