Table 1 TPE treatment variables
Time from admission to ICU to first TPE treatment (hours) median (IQR) | 16.67 (2.75-34.67) | |
Blood volume processed (ml) median (IQR) | 5012 (4373–6147) | |
Blood volume processed as % body weight (ml/kg) median (IQR) | 8.4 (7.9-9.5) | |
Plasma volume removed (ml) median (IQR) | 3000 (2689–3390) | |
Plasma volume removed as % of body weight (ml/kg) median (IQR) | 5.1 (4.6-5.5) | |
Citrate dose received by patient (mmol) median (IQR) | 27.0 (24.8-31.8) | |
Net patient fluid balance during TPE (ml) median (IQR) | 267 (−305-433) | |
Duration of TPE (minutes) median (IQR) | 130 (115–148) | |
Number of TPE treatments with renal replacement therapy immediately before and/or after | Before and after TPE | 23 |
Before TPE only | 2 | |
After TPE only | 9 | |
Neither | 5 | |
Ionised Calcium level pre TPE (mmol/L) median (IQR) (laboratory values only available for 34 TPE) | 1.05 (0.95-1.16) | |
Lowest ionised Calcium level during TPE (mmol/L) median (IQR) (laboratory values only available for 33 TPE) | 0.87 (0.71-0.94) | |
Ionised Calcium level post TPE (mmol/L) median (IQR) (laboratory values only available for 15 TPE) | 1.11 (0.99-1.25) | |