Table 4 Haemodynamic variables at the time of intolerance to renal replacement therapy (n = 13)
From: The passive leg raising test to guide fluid removal in critically ill patients
Before renal replacement therapy | At the previous record before intradialytic hypotension | At the time of intradialytic hypotension | |
|---|---|---|---|
Time elapsed since the onset of RRT (min) | – | 120 [60–180] | 130 [100–220] |
Volume removed (mL) | – | 1980 [1320–2000] | 2000 [1000–3000] |
Heart rate (beats/min) | 95 [89–98] | 91 [88–98] | 97 [90–104] |
Systolic arterial pressure (mmHg) | 117 [102–131] | 108 [100–111] | 90 [76–95] |
Mean arterial pressure (mmHg) | 87 [79–89] | 68 [66–76] | 62 [52–65]* |
Diastolic arterial pressure (mmHg) | 65 [63–71] | 57 [48–53] | 47 [43–53]* |
Cardiac index (L/min/m2) | 3.0 [2.3–3.2] | 2.1 [1.5–2.5] | 1.7 [1.2–2.1]* |
Global end-diastolic volume (mL/m2) | 700 [626–749] | 651 [500–728] | 600 [554–619] |
Extravascular lung water (mL/kg) | 8 [7–14] | 7 [6–8] | 8 [7–12] |
Cardiac function index (min−1) | 4 [3.5–5.0] | 3.7 [3.4–5.0] | 3.4 [2.6–4.9] |
Dose of norepinephrine (µg/kg/min) (in 5 patients) | 0.24 [0.21–0.32] | 0.24 [0.21–0.32] | 0.24 [0.21–0.32] |
Decision | |||
Interruption of RRT (no, %) | – | – | 10 (77 %) |
Increase of norepinephrine (no, %) | – | – | 3 (23 %) |