Left Ventricular Diastolic Dysfunction in Dialysis Patients Assessed by Novel Speckle Tracking Strain Rate Analysis: Prevalence and Determinants

Table 2

Echocardiographic characteristics of the total patient population and divided according to the presence (𝐸/SR_IVR≥236) or not (𝐸/SR_IVR<236) of significant left ventricular diastolic dysfunction.

	All patients (𝑛=77)	𝐸/SRIVR<236 (𝑛=40)	𝐸/SRIVR≥236 (𝑛=37)
LVEDV (mL)	107±40	97±38	118±42 *
LVESV (mL)	52±26	46±22	60±28 *
LVEF (%)	52% ± 7	54% ± 6	51% ± 8
LA volume (mL/m^2)	26.8±12.2	22.7±10.9	31.3±12.1 *
LVMI (g/m^2)	129±45	111±34	148±48 *
RWT	0.53±0.15	0.49±0.13	0.57±0.15 *
E (cm/s)	0.75±0.25	0.71±0.23	0.77±0.26
𝐸/𝐴 ratio	0.88±0.33	0.86±0.33	0.90±0.34
DT (ms)	261±81	267±78	255±84
𝐸/𝐸^′ ratio	14.9±6.3	12.1±4.8	17.9±6.3 *
SRIVR	203 [145,353]	149 [107,189]	354 [304,457]*

* 𝑃<0.05 between patients with 𝐸/SR_IVR<236 and patients with 𝐸/SR_IVR≥236.
A: late diastolic transmitral flow velocity; DT: deceleration time; 𝐸: early diastolic transmitral inflor velocity; 𝐸^′: peak annular early diastolic velocity; LA: left atrial; LVEDV: left ventricular end diastolic volume; LVEF: left ventricular ejection fraction; LVESV: left ventricular end systolic volume; LVMI: left ventricular mass index; RWT: relative wall thickness; SR_IVR: strain rate during isovolumic relaxation.