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2017 ; 63
(1
): 16-21
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The usefulness of combined assessment of E/E ratio and transmitral flow pattern
to interpret cardiac condition
#MMPMID28331157
Oikawa M
; Kobayashi A
; Sato T
; Suzuki S
; Akiomi Y
; Nakazato K
; Suzuki H
; Saitoh SI
; Takeishi Y
Fukushima J Med Sci
2017[Apr]; 63
(1
): 16-21
PMID28331157
show ga
High mitral inflow early (E) velocity to tissue Doppler E' ratio (E/E') and an E
to late diastolic filling velocity ratio (E/A) are used to evaluate left
ventricular (LV) diastolic function and filling pressure, but the usefulness of
combined assessment of E/E' and E/A is not fully understood.?Methods: We
retrospectively analyzed 1,266 patients who underwent echocardiography to assess
cardiac function.?Patients were grouped based on the values of E/E' (low E/E'<15,
high E/E'?15) and E/A (low E/A?0.8, high E/A>0.8).?Results: High E/E' with both
high and low E/A groups showed lower LV ejection fraction and higher LV mass
index compared to low E/E' with both high and low E/A groups.?High E/E' with both
high and low E/A groups showed slower E' velocity and larger left atrial volume
index compared to low E/E' with both high and low E/A groups, but high E/E' with
low E/A group exhibited smaller left atrial volume index and higher pulmonary
venous systolic to diastolic peak velocity ratio compared to high E/E' with high
E/A group.?Moreover, high E/E' with low E/A group displayed lower tricuspid
regurgitant pressure gradient than the high E/E' with high E/A group.?Conclusion:
Even in the situation of high E/E', low E/A condition indicated lower LV filling
pressure and controlled fluid retention.