Left atrial distensibility and E/e' for estimating left ventricular filling pressure in patients with stable angina: A comparative echocardiography and catheterization study

Shih Hung Hsiao, Kuan Rau Chiou, Ko Long Lin, Shih Kai Lin, Wei Chun Huang, Feng You Kuo, Chin Chang Cheng, Chun Peng Liu

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Background: Although E/e' (the ratio of early diastolic mitral inflow velocity to early diastolic mitral annular velocity) is widely used to measure left ventricular filling pressure (LVFP), its accuracy is questionable in coronary artery disease patients. Methods and Results: Echocardiograms and LVFP were obtained from 174 patients with stable angina (Canadian Cardiovascular Society angina grade I-II) who had received interventions for angiography-confirmed coronary stenosis. Compared with single-vessel groups, the multiple-vessel group exhibited lower mitral annular velocities, higher LVFP, and stronger correlations between E/regional e' and LVFP. Additionally, stronger correlations between E/regional e' and LVFP existed in patients with systolic dysfunction or lower variation of myocardial performance index (MPI) among anterior, inferior and lateral borders of mitral annulus. Average e' was not superior to any regional e' for assessing LVFP by the E/e' method. E/e' and left atrial (LA) ejection fraction (EF) correlated linearly with LVFP, but the correlation between LA distensibility and LVFP was logarithmical. Compared with E/e', LA distensibility and LAEF were superior for identifying high LVFP. Conclusions: E/e' is not completely satisfactory for assessing LVFP in patients with stable angina, especially those with single-vessel disease, preserved systolic function or high MPI variation. For identifying high LVFP, LA distensibility and LAEF are better than E/e'.

Original languageEnglish
Pages (from-to)1942-1950
Number of pages9
JournalCirculation Journal
Volume75
Issue number8
DOIs
Publication statusPublished - Aug 1 2011
Externally publishedYes

Fingerprint

Stable Angina
Ventricular Pressure
Catheterization
Echocardiography
Coronary Stenosis
Coronary Artery Disease
Angiography

Keywords

  • E/e'
  • Left atrial distensibility
  • Left atrial ejection fraction
  • Left ventricular filling pressure
  • Stable angina

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Left atrial distensibility and E/e' for estimating left ventricular filling pressure in patients with stable angina : A comparative echocardiography and catheterization study. / Hsiao, Shih Hung; Chiou, Kuan Rau; Lin, Ko Long; Lin, Shih Kai; Huang, Wei Chun; Kuo, Feng You; Cheng, Chin Chang; Liu, Chun Peng.

In: Circulation Journal, Vol. 75, No. 8, 01.08.2011, p. 1942-1950.

Research output: Contribution to journalArticle

Hsiao, Shih Hung ; Chiou, Kuan Rau ; Lin, Ko Long ; Lin, Shih Kai ; Huang, Wei Chun ; Kuo, Feng You ; Cheng, Chin Chang ; Liu, Chun Peng. / Left atrial distensibility and E/e' for estimating left ventricular filling pressure in patients with stable angina : A comparative echocardiography and catheterization study. In: Circulation Journal. 2011 ; Vol. 75, No. 8. pp. 1942-1950.
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N2 - Background: Although E/e' (the ratio of early diastolic mitral inflow velocity to early diastolic mitral annular velocity) is widely used to measure left ventricular filling pressure (LVFP), its accuracy is questionable in coronary artery disease patients. Methods and Results: Echocardiograms and LVFP were obtained from 174 patients with stable angina (Canadian Cardiovascular Society angina grade I-II) who had received interventions for angiography-confirmed coronary stenosis. Compared with single-vessel groups, the multiple-vessel group exhibited lower mitral annular velocities, higher LVFP, and stronger correlations between E/regional e' and LVFP. Additionally, stronger correlations between E/regional e' and LVFP existed in patients with systolic dysfunction or lower variation of myocardial performance index (MPI) among anterior, inferior and lateral borders of mitral annulus. Average e' was not superior to any regional e' for assessing LVFP by the E/e' method. E/e' and left atrial (LA) ejection fraction (EF) correlated linearly with LVFP, but the correlation between LA distensibility and LVFP was logarithmical. Compared with E/e', LA distensibility and LAEF were superior for identifying high LVFP. Conclusions: E/e' is not completely satisfactory for assessing LVFP in patients with stable angina, especially those with single-vessel disease, preserved systolic function or high MPI variation. For identifying high LVFP, LA distensibility and LAEF are better than E/e'.

AB - Background: Although E/e' (the ratio of early diastolic mitral inflow velocity to early diastolic mitral annular velocity) is widely used to measure left ventricular filling pressure (LVFP), its accuracy is questionable in coronary artery disease patients. Methods and Results: Echocardiograms and LVFP were obtained from 174 patients with stable angina (Canadian Cardiovascular Society angina grade I-II) who had received interventions for angiography-confirmed coronary stenosis. Compared with single-vessel groups, the multiple-vessel group exhibited lower mitral annular velocities, higher LVFP, and stronger correlations between E/regional e' and LVFP. Additionally, stronger correlations between E/regional e' and LVFP existed in patients with systolic dysfunction or lower variation of myocardial performance index (MPI) among anterior, inferior and lateral borders of mitral annulus. Average e' was not superior to any regional e' for assessing LVFP by the E/e' method. E/e' and left atrial (LA) ejection fraction (EF) correlated linearly with LVFP, but the correlation between LA distensibility and LVFP was logarithmical. Compared with E/e', LA distensibility and LAEF were superior for identifying high LVFP. Conclusions: E/e' is not completely satisfactory for assessing LVFP in patients with stable angina, especially those with single-vessel disease, preserved systolic function or high MPI variation. For identifying high LVFP, LA distensibility and LAEF are better than E/e'.

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