Key result
End-inspiratory E/A ratio reversal accurately identifies abnormal LV diastolic function.
Why the study?
Does the reversal E/A value at end-inspiration improve the sensitivity and accuracy of diagnosing abnormal left ventricular diastolic function?
Population
84 subjects, comprising 51 patients with systemic hypertension and impaired left ventricular diastolic…
Comparison
Measurement of respiratory transmitral Doppler… vs Measurement of the E/A ratio at expiration
Design
Cross-sectional
Authors
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Taking respiratory variations into account, specifically the reversal E/A value at end-inspiration, may provide a more sensitive and accurate echocardiographic indicator of abnormal LV diastolic function.
Cross-Sectional (n=84)
Does the reversal E/A value at end-inspiration improve the sensitivity and accuracy of diagnosing abnormal left ventricular diastolic function?
Taking respiratory variations into account, specifically the reversal E/A value at end-inspiration, may provide a more sensitive and accurate echocardiographic indicator of abnormal LV diastolic function.
Yuan et al. (2007) conducted a cross-sectional in Systemic hypertension and impaired left ventricular diastolic function (n=84). Reversal E/A value at end-inspiration vs. Expiration was evaluated on Diagnosis of abnormal LV diastolic function. A reversal E/A value on end-inspiration (E/A ratio < 1 on inspiration and > 1 on expiration) was identified as a sensitive and accurate indicator of abnormal LV diastolic function.
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