Research Article

Platelet Consumption and Filter Clotting Using Two Different Membrane Sizes during Continuous Venovenous Haemodiafiltration in the Intensive Care Unit

Table 2

Filter longevity and CVVHDF setting.

All patients
( )
Filter AV 1000S
( )
Filter AV 600S
( )
value

Numbers of filters—number2 (1–4)2 (1–4)2 (1–4)0.94
CVVHDF observation period—hours35 (7–128)33 (7–128)39 (7–97)0.68
Filter longevity—hours17 (4–67)15 (4–67)21 (4–42)0.63
Haemodiafiltration rate—mL/kg/h35 (35–80)35 (35–50)35 (35–80)0.75
Ultrafiltration rate—%17 (9–24)17 (12–24)17 (9–20)0.90
Blood flow—mL/min150 (100–240)150 (100–230)150 (100–240)0.50
Heparin dose first 6 hours—U/h450 (0–1050) 500 (0–1050)400 (250–900)0.17
Heparin dose first 6 hours/body weight—U/h/kg7.1 (0–9.1) 7.3 (0–9.1)6.7 (3.4–8.6)0.17
Absolute creatinine drop—umol/L171 (8–830) 221 (97–562)157 (8–830)0.48
Relative creatinine drop—%64 (7–91)67 (29–87)69 (7–91)0.98
Absolute BUN drop—mmol/L9.5 (0–30.8)7.3 (0–30.5)11 (0–30–8)0.64
Relative urea drop—%53 (0–85)53 (0–77)54 (0–85)0.54

Results are given as median (range) or percentages.
Total number of patients = 28; filter AV 1000S = 15; filter AV 600S = 13.
Total number of patients = 27; filter AV 1000S = 13; filter AV 600 = 14.