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November 1, 1987HeartOpen Access

Detection of exercise induced changes in left ventricular performance by Doppler echocardiography.

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Why the study?

Can Doppler echocardiography detect exercise-induced changes in left ventricular performance compared to radionuclide ventriculography in patients suspected of having ischaemic heart disease?

Population

38 patients suspected of having ischaemic heart disease

Comparison

Non-imaging Doppler echocardiography in the… vs Simultaneous exercise radionuclide…

Design

Cross-sectional

Authors

PDPatrick DaleyUniversity of WaterlooKSKiran B. SagarM S Ramaiah University of Applied SciencesBCB. David CollierOllscoil na Gaillimhe – University of Galway

Discussion

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Implication

May differentiate normal from abnormal exercise LV responses by Doppler echo; leaves open validation versus radionuclide ventriculography.

Structured PICO

Can Doppler echocardiography detect exercise-induced changes in left ventricular performance compared to radionuclide ventriculography in patients suspected of having ischaemic heart disease?

P
Population
38 patients suspected of having ischaemic heart disease
I
Intervention
Non-imaging Doppler echocardiography in the suprasternal notch during exercise
C
Comparator
Simultaneous exercise radionuclide ventriculography
O
Outcome
Exercise-induced changes in left ventricular performance (acceleration, peak velocity of flow, and stroke volume)surrogate

Doppler echocardiography can effectively detect exercise-induced changes in left ventricular performance, identifying normal and abnormal responses as defined by radionuclide ventriculography.

Cite This Study

Daley et al. (1987) studied this question.

synapsesocial.com/papers/6a1df1885c054b78c2ef97cahttps://doi.org/10.1136/hrt.58.5.447

Topics

Echocardiography
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Beat-by-beat stroke volume assessment by pulsed Doppler in upright and supine exercise1981 · 148 citations
  2. 2Estimation of stroke volume changes by ultrasonic doppler.1977 · 100 citations
  3. 3Exercise cross-sectional echocardiography in ischemic heart disease.1979 · 269 citations
  4. 4Measurement of Instantaneous Blood Flow Velocity and Pressure in Conscious Man with a Catheter-Tip Velocity Probe1969 · 188 citations
  5. 5Maximum Acceleration of Blood from the Left Ventricle in Patients with Ischaemic Heart Disease1974 · 60 citations