Table 4.
Cardiac function parameter medians and interquartile ranges at different time points by study group
| Parameter | Bolus + rehydration group (group 1) | Rehydration-only group (group 2) | P value* | ||||
|---|---|---|---|---|---|---|---|
| Pre fluid Median, (IQR) | Post fluid Median, (IQR) | 24 h Median, (IQR) | Pre fluid Median, (IQR) | Post fluid Median, (IQR) | 24 h Median, (IQR) | ||
| FS (%) | 28 (23, 31) | 30 (24, 32) | 29 (28, 31) | 31 (23, 33) | 31 (27, 35) | 28 (25, 29) | 0.89 |
| IVCCI (%) | 30 (23, 46) | 38 (37, 39) | 34 (23, 39) | 38 (28, 44) | 28 (24, 35) | 23 (22, 26) | 0.97 |
| SVI (ml/min/m2) | 30 (23, 45) | 34 (27, 43) | 33 (26, 37) | 30 (24, 32) | 32 (31, 41) | 38 (32, 39) | 0.81 |
| CI (L/min/m2) | 6.6 (4.0, 8.3) | 6.3 (4.5, 7.5) | 5.0 (4.6, 5.8) | 6.9 (5.0, 8.5) | 6.9 (4.9, 7.6) | 6.2 (5.7, 7.0) | 0.90 |
| EDVI (ml/min/m2) | 60 (48, 77) | 62 (52, 76) | 58 (44, 64) | 50 (48, 59) | 58 (51, 60) | 74 (58, 76) | 0.75 |
| SVRI (ds/cm5/m2) | 1349 (1039, 1797) | 1275 (1189, 1610) | 1422 (1294, 1556) | 1265 (1155, 1969) | 1105 (1071, 1655) | 2102 (1883, 2113) | 0.77 |
| Tei index | 0.28 (0.15, 0.40) | 0.38 (0.10, 0.44) | 0.27 (0.16, 0.32) | 0.24 (0.17, 0.25) | 0.15 (0.11, 0.32) | 0.27 (0.25, 0.34) | 0.73 |
| Heart rate | 106 (99, 113) | 108 (102, 116) | 111 (102, 129) | 144 (109, 160) | 130 (103, 170) | 105 (103, 111) | 0.19 |
| GRS (%) | 27 (12, 37) | 24 (14, 36) | 32 (13, 39) | 21 (18, 29) | 46 (31, 47) | 32 (20, 34) | 0.15 |
| GCS (%) | -18 (-22, -15) | -19 (-25, -18) | -17 (-19, -14) | -19 (-25, -14) | -21 (-26, -18) | -21 (-21, -20) | 0.81 |
| GLS (%) | -23 (-24, -18) | -21 (-25, -15) | -22 (-25, -18) | -22 (-23, -19) | -20 (-23, -19) | -19 (-19, -17) | 0.69 |
FS fractional shortening, IVCCI inferior vena cava collapsibility index, SVI stroke volume index, CI cardiac index, EDVI end-diastolic volume index, SVRI systemic vascular resistance index, GRS global radial strain, GCS global circumferential strain, GLS global longitudinal strain. * P value comparing post-fluid indices in group 1 vs. group 2