Table 2

Coagulation parameters of examined patients and machine settings at the start of each treatment

Parameter
CVVH
CVVHD
P-value

INR
1.21 (0.98–1.95)
1.4 (0.95–2)
NS
PTTr
1.5 (0.85–2.1)
1.19 (0.87–1.89)
NS
PLT count × 1,000
248 (56–434)
231 (65–358)
NS
Antithrombin III (%)
75 (89-56)
69 (94-58)
NS
Hematocrit (%)
25 (21.5–35)
24.7 (22–34.5)
NS
Heparin (U/h)
500 (150–750)
500 (200–800)
NS
QB
150 (110–180)
135 (115–165)
NS
QREP (ml/h)

-
-
     Pre
1,450 (800–1,700)


     Post
1,500 (1,000–1,950)


QDIAL (ml/h)
-
2,150 (1,800–2,800)
-
Net UF
150 (50–350)
165 (45–300)
NS
Access pressure (mmHg)
-75 (-35 to -170)
-82 (-40 to -155)
NS
Return pressure (mmHg)
90 (65–178)
82 (46–160)
NS
Clotting/clogging
9/6
7/8
NS

Data are presented as median with interquartile range in parentheses. CVVH, continuous veno-venous hemofiltration; CVVHD, continuous veno-venous dialysis; INR, international normalized ratio; NS, not significant; PLT, platelets; PTTr, partial thromboplastin time ratio; QB, blood flow; QREP, replacement solution flow (pre/post, pre-filter/post-filter re-infusion); QDIAL, dialysate flow; UF, ultrafiltration.

Ricci et al. Critical Care 2006 10:R67   doi:10.1186/cc4903