Baseline 1 | PLR test | Baseline 2 | After volume expansion | |
---|---|---|---|---|
Heart rate (beats/min) | ||||
• Positive PLR test (n = 34) | 94 ± 16 | 95 ± 20 | 97 ± 17 | 93 ± 15† |
• Negative PLR test (n = 38) | 90 ± 20 | 89 ± 20 | 88 ± 20 | |
Systolic arterial pressure (mmHg) | ||||
• Positive PLR test (n = 34) | 115 ± 23 | 128 ± 29* | 112 ± 28 | 122 ± 34† |
• Negative PLR test (n = 38) | 125 ± 20 | 130 ± 21* | 123 ± 20 | |
Diastolic arterial pressure (mmHg) | ||||
• Positive PLR test (n = 34) | 58 ± 11 | 63 ± 10* | 57 ± 13 | 61 ± 15† |
• Negative PLR test (n = 38) | 60 ± 9 | 63 ± 9* | 59 ± 9 | |
Mean arterial pressure (mmHg) | ||||
• Positive PLR test (n = 34) | 77 ± 13 | 87 ± 21* | 75 ± 17 | 80 ± 19† |
• Negative PLR test (n = 38) | 81 ± 12 | 85 ± 13* | 80 ± 12 | |
Central venous pressure (mmHg) | ||||
• Positive PLR test (n = 34) | 10 ± 5 | 13 ± 5* | 10 ± 4 | 11 ± 5† |
• Negative PLR test (n = 38) | 10 ± 5 | 14 ± 5* | 9 ± 5 | |
Cardiac index (L/min/m2) | ||||
• Positive PLR test (n = 34) | 3.38 ± 1.21 | 4.03 ± 1.31* | 3.20 ± 1.20 | 4.02 ± 1.35† |
• Negative PLR test (n = 38) | 3.19 ± 1.26 | 3.26 ± 1.32*¨ | 3.15 ± 1.31 | |
GEDV (mL/m2) | ||||
• Positive PLR test (n = 34) | 766 ± 165 | 768 ± 205 | 789 ± 127† | |
• Negative PLR test (n = 38) | 800 ± 242 | 792 ± 219 | ||
SVI (mL/m2) | ||||
• Positive PLR test (n = 34) | 37 ± 13 | 44 ± 15* | 36 ± 12 | 43 ± 15† |
• Negative PLR test (n = 38) | 37 ± 15 | 38 ± 16 | 37 ± 17 | |
PPV (%)‡ | ||||
• Positive PLR test (n = 28) | 10.0 ± 4.0 | 9.8 ± 5.9 | 11.9 ± 16.2 | |
• Negative PLR test (n = 28) | 8.0 ± 5.1 | 8.5 ± 4.7 | ||
PI (%) | ||||
• Positive PLR test (n = 34) | 2.9 ± 2.0 | 4.1 ± 2.3* | 2.1 ± 1.4 | 3.0 ± 1.9† |
• Negative PLR test (n = 38) | 2.0 ± 1.8 | 2.0 ± 2.0¨ | 2.1 ± 1.9 |