Estimation of left ventricular end-diastolic pressure from Doppler transmitral flow velocity in cardiac patients independent of systolic performance

Sharon Mulvagh, Miguel A. Quinones, Neal S. Kleiman, B. Jorge Cheirif, William A. Zoghbi

Research output: Contribution to journalArticle

196 Citations (Scopus)

Abstract

In patients with heart disease, changes in left ventricular filling pressures produce alterations in the Doppler transmitral flow velocity and isovolumetric relaxation time. This investigation explored the hypothesis that combining isovolumetric relaxation time with measurements derived from the transmitral flow velocity can be used to estimate left ventricular end-diastolic pressure. Simultaneous Doppler and left ventricular pressure recordings were obtained in 33 patients (24 men with a mean age of 58 ± 11 years) and an ejection fraction ranging from 15% to 74% (mean 55 ± 15%). The following Doppler measurements correlated significantly with left ventricular end-diastolic pressure (range 4 to 36 mm Hg): isovolumetric relaxation time (IVRT; r = - 0.73), atrial filling fraction (AFF; r = - 0.66), deceleration time (DT; r = - 0.59), ratio of early transmitral flow velocity to atrial flow velocity (E/A ratio; r = - 0.53) and time from termination of mitral flow to the electrocardiographic R wave (MAR; r = 0.37). Combining these measurements into a multilinear regression equation provided a more accurate estimate of end-diastolic pressure (LVEDP; r = 0.80; SEE = 7.4). The equation LVEDP = 46 - 0.22 IVRT - 0.10 AFF - 0.03 DT -(2 ÷ E/A) + 0.05 MAR was tested prospectively in 26 additional patients (mean age 55 ± 11 years; ejection fraction 41 ± 23%) with simultaneous Doppler and hemodynamic recordings but with the two measurements made independently, in blinded fashion, by additional observers. Estimated and measured end-diastolic pressures correlated well with each other (r = 0.86). For all patients combined (r = 0.83), the equation was 90% sensitive and specific in detecting an increased end-diastolic pressure > 15 mm Hg. Ejection fraction was ≥ 50% in 21 of 39 patients with an elevated end-diastolic pressure. In 10 patients, the equation was accurate in tracking acute changes in end-diastolic pressure induced by an intervention. Thus, the combination of mitral flow velocity measurements and isovolumetric relaxation time can provide a noninvasive estimate of filling pressures in patients with heart disease irrespective of systolic performance.

Original languageEnglish (US)
Pages (from-to)112-119
Number of pages8
JournalJournal of the American College of Cardiology
Volume20
Issue number1
DOIs
StatePublished - 1992
Externally publishedYes

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Blood Pressure
Ventricular Pressure
Heart Diseases
Deceleration
Hemodynamics
Pressure

ASJC Scopus subject areas

  • Nursing(all)

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Estimation of left ventricular end-diastolic pressure from Doppler transmitral flow velocity in cardiac patients independent of systolic performance. / Mulvagh, Sharon; Quinones, Miguel A.; Kleiman, Neal S.; Jorge Cheirif, B.; Zoghbi, William A.

In: Journal of the American College of Cardiology, Vol. 20, No. 1, 1992, p. 112-119.

Research output: Contribution to journalArticle

Mulvagh, Sharon ; Quinones, Miguel A. ; Kleiman, Neal S. ; Jorge Cheirif, B. ; Zoghbi, William A. / Estimation of left ventricular end-diastolic pressure from Doppler transmitral flow velocity in cardiac patients independent of systolic performance. In: Journal of the American College of Cardiology. 1992 ; Vol. 20, No. 1. pp. 112-119.
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abstract = "In patients with heart disease, changes in left ventricular filling pressures produce alterations in the Doppler transmitral flow velocity and isovolumetric relaxation time. This investigation explored the hypothesis that combining isovolumetric relaxation time with measurements derived from the transmitral flow velocity can be used to estimate left ventricular end-diastolic pressure. Simultaneous Doppler and left ventricular pressure recordings were obtained in 33 patients (24 men with a mean age of 58 ± 11 years) and an ejection fraction ranging from 15{\%} to 74{\%} (mean 55 ± 15{\%}). The following Doppler measurements correlated significantly with left ventricular end-diastolic pressure (range 4 to 36 mm Hg): isovolumetric relaxation time (IVRT; r = - 0.73), atrial filling fraction (AFF; r = - 0.66), deceleration time (DT; r = - 0.59), ratio of early transmitral flow velocity to atrial flow velocity (E/A ratio; r = - 0.53) and time from termination of mitral flow to the electrocardiographic R wave (MAR; r = 0.37). Combining these measurements into a multilinear regression equation provided a more accurate estimate of end-diastolic pressure (LVEDP; r = 0.80; SEE = 7.4). The equation LVEDP = 46 - 0.22 IVRT - 0.10 AFF - 0.03 DT -(2 ÷ E/A) + 0.05 MAR was tested prospectively in 26 additional patients (mean age 55 ± 11 years; ejection fraction 41 ± 23{\%}) with simultaneous Doppler and hemodynamic recordings but with the two measurements made independently, in blinded fashion, by additional observers. Estimated and measured end-diastolic pressures correlated well with each other (r = 0.86). For all patients combined (r = 0.83), the equation was 90{\%} sensitive and specific in detecting an increased end-diastolic pressure > 15 mm Hg. Ejection fraction was ≥ 50{\%} in 21 of 39 patients with an elevated end-diastolic pressure. In 10 patients, the equation was accurate in tracking acute changes in end-diastolic pressure induced by an intervention. Thus, the combination of mitral flow velocity measurements and isovolumetric relaxation time can provide a noninvasive estimate of filling pressures in patients with heart disease irrespective of systolic performance.",
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AU - Zoghbi, William A.

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