Comparison of two- and three-dimensional echocardiography with cineventriculography for measurement of left ventricular volume in patients

Peter M. Sapin, Klaus M. Schröder, Aasha S. Gopal, Mikel D. Smith, Anthony N. Demaria, Donald L. King

Research output: Contribution to journalArticlepeer-review

125 Scopus citations

Abstract

Objectives. We compared two- and three-dimensional echocardiopaphy with cineventriculography for measurement of left ventricular volume in patients. Background. Three-dimensional echocardiography has been shown to be highly accurate and superior to two-dimensional echocardiography in measuring left ventricular volume in vitro. However, there has been little comparison of the two methods in patients. Methods. Two- and three-dimensional echocardiography were performed in 35 patients (mean age 48 years) 1 to 3 h before left ventricular cineventriculography. Three-dimensional echocardiography used an acoustic spatial locator to register image position. Volume was computed using a polyhedral surface reconstruction algorithm based on multiple nonparallel, unevenly spaced short-axis cross sections. Two-dimensional echocardiography used the apical biplane summation of disks method. Single-plane cineventriculographic volumes were calculated using the summation of disks algorithm. The methods were compared by linear regression and a limits of agreement analysis. For the latter, systematic error was assessed by the mean of the deferences (cineventriculography minus echocardiography), and the limits of agreement were defined as ±2 SD from the mean difference. Results. Three-dimensional echocardiographic volumes demonstrated excellent correlation (end-diastole r = 0.97; end-systole r = 0.98) with cineventriculography. Standard errors of the estimate were approximately half those of two-dimensional echocardiography (end-diastole ±11.0 ml vs. ±21.5 ml; end-systole ±10.2 ml vs. ±17.0 ml). By limits of agreement analysis the end-diastolic mean diferences for two- and three-dimensional echocardiography were 21.1 and 12.9 ml, respectively. The limits of agreement (±2 SD) were ±54.0 and ±24.8 ml, respectively. For end-systole, comparable improvement was obtained by three-dimensional echocardiography. Results for ejection fraction by the two methods were similar. Conclusions. Three-dimensional echocardiography correlates highly with cineventriculography for estimation of ventricular volumes in patients and has approximately half the variability of two-dimensional echocardiography for these measurements. On the basis of this study, three-dimensional echocardiography is the preferred echocardiographic technique for measurement of ventricular volume. Three-dimensional echocardiography is equivalent to two-dimensional echocardiography for measuring ejection fraction.

Original languageEnglish
Pages (from-to)1054-1063
Number of pages10
JournalJournal of the American College of Cardiology
Volume24
Issue number4
DOIs
StatePublished - Oct 1994

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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