Quantification of and correction for left ventricular systolic long-axis shortening by magnetic resonance tissue tagging and slice isolation

Walter J. Rogers, Edward Shapiro, James L Weiss, Maurice B. Buchalter, Frank E. Rademakers, Myron Weisfeldt, Elias Zerhouni

Research output: Contribution to journalArticle

Abstract

Background. Measurement of regional left ventricular (LV) function is predicated on the ability to compare equivalent LV segments at different time points during the cardiac cycle. Standard techniques of short-axis acquisition in two-dimensional echocardiography, cine computed tomography, and standard magnetic resonance imaging (MRI) acquire images from a fixed plane and fail to compensate for through-plane motion. The shortening of the left ventricle along its long axis during systole results in planar images of two different levels of the ventricle, leading to error in any derived functional measurements. LV systolic long-axis motion was measured in 19 normal volunteers using MRI. Methods and Results. With a selective radio frequency (RF) tissue-tagging technique, three short-axis planes were labeled at end diastole and standard spin-echo images were acquired at end systole in the two- and four-chamber orientations. Persistence of the tags through systole allowed visualization of the intersecting short-axis tags in the long-axis images and allowed precise quantification of long-axis motion of the septum, lateral, anterior, and inferior walls at the base, mid, and apical LV levels. The total change in position along the long axis between end diastole and end systole was greatest at the base, which moved toward the apex 12.8±3.8 mm. The mid left ventricle moved 6.9±2.6 mm, and the apex was nearly stationary, moving only 1.6±2.2 mm (p

Original languageEnglish (US)
Pages (from-to)721-731
Number of pages11
JournalCirculation
Volume84
Issue number2
StatePublished - Aug 1991

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Systole
Magnetic Resonance Spectroscopy
Diastole
Heart Ventricles
Magnetic Resonance Imaging
Radio
Left Ventricular Function
Echocardiography
Healthy Volunteers
Tomography

Keywords

  • Magnetic resonance imaging
  • Radio frequency
  • Systolic motion

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Quantification of and correction for left ventricular systolic long-axis shortening by magnetic resonance tissue tagging and slice isolation. / Rogers, Walter J.; Shapiro, Edward; Weiss, James L; Buchalter, Maurice B.; Rademakers, Frank E.; Weisfeldt, Myron; Zerhouni, Elias.

In: Circulation, Vol. 84, No. 2, 08.1991, p. 721-731.

Research output: Contribution to journalArticle

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