Il Doppler nella valutazione della funzione diastolica del ventricolo sinistro

Metodologia, valenza clinica e prognostica

Translated title of the contribution: The Doppler in the evaluation of left ventricular diastolic function: Methodology, clinical significance and prognosis

Maurizio Galderisi, Frank Lloyd Dini, Pier Luigi Temporelli, Paolo Colonna, Giovanni De Simone

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

To date, left ventricular diastolic function can be clinically assessed by Doppler echocardiography. The Doppler recording of mitral inflow and pulmonary venous flow provides main information about ventricular diastolic properties. At the level of the mitral inflow we can measure the early diastolic peak velocity (E), atrial peak velocity and derive their ratio, the E velocity deceleration time and isovolumic relaxation time, and calculate atrial filling fraction. At the level of the pulmonary veins, the peak systolic velocity (S), the peak diastolic velocity (D), the S/D ratio, the peak of reverse atrial velocity and its duration, above all in terms of difference with the mitral A duration, characterize the different patterns of diastolic function. Also the new ultrasound technologies are clinically useful to define ventricular diastolic properties. The myocardial early diastolic velocity (Em) detectable by pulsed tissue Doppler at the level of the mitral annulus, and the flow propagation velocity (Vp) recordable by color M-mode of left ventricular inflow, both relatively preloadindependent, are measurements related to tau, the reference hemodynamic variable. The E/Em and E/Vp ratios provide accurate estimation of the changes in left ventricular end-diastolic pressure. They allow us to distinguish the pseudonormal and restrictive patterns from the normal pattern and are, therefore, alternative tools to Valsalva maneuver of mitral inflow and pulmonary venous flow. The predictive value of the pattern of abnormal relaxation (grade I of diastolic dysfunction) and both the reversible and irreversible restrictive patterns (grade III and IV respectively) is now demonstrated and permits important prognostic stratification and appropriate therapeutic management.

Original languageItalian
Pages (from-to)86-97
Number of pages12
JournalItalian Heart Journal Supplement
Volume5
Issue number2
Publication statusPublished - 2004

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Left Ventricular Function
Valsalva Maneuver
Lung
Deceleration
Pulmonary Veins
Doppler Echocardiography
Color
Hemodynamics
Blood Pressure
Technology
Therapeutics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Il Doppler nella valutazione della funzione diastolica del ventricolo sinistro : Metodologia, valenza clinica e prognostica. / Galderisi, Maurizio; Dini, Frank Lloyd; Temporelli, Pier Luigi; Colonna, Paolo; De Simone, Giovanni.

In: Italian Heart Journal Supplement, Vol. 5, No. 2, 2004, p. 86-97.

Research output: Contribution to journalArticle

Galderisi, Maurizio ; Dini, Frank Lloyd ; Temporelli, Pier Luigi ; Colonna, Paolo ; De Simone, Giovanni. / Il Doppler nella valutazione della funzione diastolica del ventricolo sinistro : Metodologia, valenza clinica e prognostica. In: Italian Heart Journal Supplement. 2004 ; Vol. 5, No. 2. pp. 86-97.
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