A comparative study of real-time three-dimensional ultrasound automatic quantification and magnetic resonance imaging on left atrial volume and function in patients with acute myocardial infarction
10.3760/cma.j.cn131148-20210116-00037
- VernacularTitle:实时三维超声自动定量与磁共振评价急性心肌梗死患者左心房容积及功能的对照研究
- Author:
Rui XU
;
Jianjun YUAN
;
Xijun ZHANG
;
Kaikai SHEN
;
Huifang CHEN
;
Jing TIAN
;
Haohui ZHU
- From:
Chinese Journal of Ultrasonography
2021;30(5):382-387
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To study the changes of left atrial volume and function in patients with acute myocardial infarction (AMI) by three-dimensional echocardiography (3DE) and magnetic resonance imaging (MRI).Methods:Thirty-one patients with AMI in Henan People′s Hospital from March to October 2020 were selected as AMI group and 30 healthy subjects were selected as control group.The left atrial maximum volume (LAVmax), minimum volume (LAVmin), presystolic volume (LAVpre), volume index(LAVI), emptying volume (LAEV), ejection fraction (LAEF), long axis and circumferential strain (LASr, LASr-c; LAScd, LAScd-c; LASct, LASct-c) were measured by two-dimensional echocardiography (2DE), 3DE left atrial automatic quantitative technique and CMR.The differences of left atrial indices between two groups and among 2DE, 3DE left atrial automatic quantitative and CMR techniques were compared. Pearson correlation coefficient and Bland-Altman analysis were used to compare 2DE, 3DE left atrial automatic quantitative and CMR. Intra-observer and inter-observer repeatability of 2DE, 3DE left atrial automatic quantitative technique and CMR were evaluated by intra-group correlation coefficient (ICC).Results:①Compared with the control group: LAVmax, LAVmin, LAVpre, LAVI, LASct and LASct-c by 3DE left atrial automatic quantitative increased, while LAEV, LAEF, LASr, LASr-c, LAScd and LAScd-c by 3DE left atrial automatic quantitative technique decreased in AMI group (all P<0.05). ②LAVmax, LAVmin, LAVpre, LASr, LAScd, LASct measured by 3DE left atrial automatic quantitative were more strongly related to CMR than that measured by 2DE(all P<0.05). Compared with CMR, 2DE underestimated LAVmax, LAVmin, LAVpre, LASr, LAScd, LASct by (8.01±4.01)ml, (9.03±4.15)ml, (7.26±2.09 )ml, (7.26±1.23)%, (5.02±1.08)%, (6.24±0.43)%(all P<0.05); 3DE left atrial automatic quantitative technique underestimated LAVmax, LAVmin, LAVpre, LASr, LAScd, LASct by (1.67±0.62)ml, (1.95±0.90)ml, (2.52±0.76)ml, (1.97±0.59)%, (2.03±0.39)%, (1.02±0.30)% (all P>0.05); The time-consuming of 2DE and 3DE left atrial automatic quantitative technique was reduced, and the time-consuming of 3DE left atrial automatic quantitative technique was less than 2DE [(12.18±3.24)s vs (73.34±10.37)s]. ③The reproducibility of 2DE, 3DE left atrial automatic quantitative technique and CMR measurement within and between observers were good. Conclusions:3DE left atrial automatic quantitative technique can effectively evaluate the changes of left atrial volume and function in patients with AMI. Compared with 2DE and CMR, it is simple, rapid, accurate and repeatable, which provides a new and effective method for clinical study of cardiovascular diseases.
