Measurement of regional aortic compliance by MR imaging: A study of reproducibility

被引:24
作者
Forbat, SM
Mohiaddin, RH
Yang, GZ
Firmin, DN
Underwood, SR
机构
[1] Royal Brompton Hospital, London, SW3 6NP, Sydney Street
来源
JMRI-JOURNAL OF MAGNETIC RESONANCE IMAGING | 1995年 / 5卷 / 06期
关键词
MR imaging; aortic compliance; reproducibility;
D O I
10.1002/jmri.1880050604
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
The reproducibility of MR imaging for the measurement of aortic compliance was studied in 47 healthy volunteers, Long and short term reproducibility and intraobserver variability were tested. The method was modified to improve image quality and short term reproducibility and intraobserver variability retested. For comparison, spin echo imaging was compared with cine gradient echo imaging. Initial long term reproducibility showed a mean difference (I SE) of 3% (+/- 7%) with 95% confidence interval (CI) for limits of agreement of +/- 69%. Short term reproducibility (7% +/- 6%, 95% CI +/- 46%) and intraobserver variability (1% +/- 2%, 95% CI +/- 31%) were better. After modification of the technique and optimization of image quality, both short term reproducibility and intraobserver variability improved (0% +/- 3%, 95% CI +/- 17% and 5% +/- 2%, 95% CI +/- 16% respectively). Aortic compliance can be measured using spin echo MR imaging with good reproducibility provided care is taken to obtain good quality images with high spatial resolution.
引用
收藏
页码:635 / 639
页数:5
相关论文
共 23 条
[1]  
Bogren HG, Mohiaddin RH, Klipstein RH, Et al., The function of the aorta in ischemic heart disease: a magnetic resonance and angiographic study of aortic compliance and blood flow patterns, Am Heart J, 118, pp. 234-247, (1989)
[2]  
Stefanadis C, Wooley CF, Bush CA, Kolibash AJ, Boudoulas H, Aortic distenslbility in coronary artery disease, Am J Cardiol, 59, pp. 1300-1304, (1987)
[3]  
Hirai T, Sasayama S, Kawasaki T, Yagi S, Stiffness of systemic arteries in patients with myocardial infarction. A noninvasive method to predict severity of coronary atherosclerosis, Circulation, 80, pp. 78-86, (1989)
[4]  
Dart AM, Lacome F, Yeoh JK, Et al., Aortic distensibility in patients with isolated hypercholesterolaemia, coronary artery disease, or cardiac transplant, Lancet, 338, pp. 270-273, (1991)
[5]  
Isnard RN, Pannier BM, Laurent S, London CM, Diebold B, Safar ME, Pulsatile diameter and elastic modulus of the aortic arch in essential hypertension: a noninvasive study, J Am Coll Cardiol, 13, pp. 399-405, (1989)
[6]  
Simon AC, O'Rourke MF, Levenson J, Arterial distensibility and its effect on wave reflection and cardiac loading in cardiac disease, Coronary Artery Dis, 2, pp. 1111-1120, (1991)
[7]  
Ohtsuka S, Kakihani M, Watanabe H, Sugishita Y, Chronically decreased aortic distensibility causes deterioration of coronary perfusion during increased left ventricular contraction, J Am Coll Cardiol, 24, pp. 1406-1414, (1994)
[8]  
Lee RT, Kamm RD, Vascular mechanics for the cardiologist, J Am Coll Cardiol, 23, pp. 1289-1295, (1994)
[9]  
Aortic distensibility and screening for coronary atheroma (Editorial), Lancet, 338, (1991)
[10]  
Mohiaddin RH, Underwood SR, Bogren HG, Et al., Regional aortic compliance studied by magnetic resonance imaging: the effects of age, training and coronary artery disease, Br Heart J, 62, pp. 90-96, (1989)