Research Article
Time-Dependent Regional Myocardial Strains in Patients with Heart Failure with a Preserved Ejection Fraction
Table 2
Echocardiographic analysis of control patients versus HFpEF patients.
| | Hemodynamic parameters | Control () | HFpEF patients () | value |
| | MV close time (msec) | 471 ± 29 | 422 ± 61 | 0.03 | | IVRT (msec) | 102 ± 14 | 77 ± 15 | <0.001 | | AV open time (msec) | 306 ± 33 | 277 ± 34 | 0.062 | | AV close time (msec) | 734 ± 157 | 524 ± 109 | 0.002 | | MV open time (msec) | 578 ± 167 | 387 ± 93 | 0.004 | | R-R interval (msec) | 1068 ± 169 | 806 ± 121 | <0.001 | | TR jet (mmHg) | 18 ± 6 | 23 ± 13 | 0.249 | | IVC pressure (6 beats on IVC with a sniff) (mmHg) | 5 ± 0 | 6 ± 3 | 0.306 | | 76 ± 9 | 94 ± 21 | 0.019 | | 12 ± 3 | 7 ± 1 | <0.001 | | Left atrial pressure (mmHg) | 10 ± 2 | 18 ± 5 | <0.001 | | Mean pressure in pulmonary artery (mmHg) | 13 ± 6 | 28 ± 9 | <0.001 | | VTI & cardiac index | 2.1 ± 0.34 | 2.2 ± 0.66 | 0.775 | | LVOT dia | 2.0 ± 0.17 | 2.0 ± 0.17 | 0.382 | | LVOT VTI | 19.4 ± 2.1 | 17.6 ± 3.2 | 0.12 | | BSA (m2) | 1.85 ± 0.23 | 1.92 ± 0.38 | 0.61 | | LV mass (g) | 126 ± 31 | 142 ± 36 | <0.01 | | Stroke volume (mL) | 49 ± 11 | 31 ± 14 | <0.01 | | Ejection fraction (%) | 56 ± 6 | 50 ± 6 | <0.01 | | End diastolic wall thickness (cm) | 0.98 ± 0.1 | 1.18 ± 0.13 | <0.01 |
|
|
