Anticoagulation Strategies in Venovenous Hemodialysis in Critically Ill Patients: A Five-Year Evaluation in a Surgical Intensive Care Unit

Table 5

Duration of hemodialysis circuit and filter life span in relation to anticoagulation strategy.

Duration of CVVHD circuit [hours]
Anticoagulation	Placement of dialysis catheter
	Femoral	Jugular or subclavian	Total	value
Heparin	15 [7.0–36.0]	17 [8.0–38.0]	16 [7.0–37.0]	0.015
Citrate	31 [11.0–64.0]	31 [12.0–63.0]	31 [12.0–64.0]	0.672
value	0.001	0.001	0.001
Filter life span
Anticoagulation	<24 hours	24–72 hours	>73 hours
Heparin	2231 (62.1%)	1198 (33.3%)	164 (4.6%)	0.001
Citrate	1279 (43.3%)	1319 (44.6%)	358 (12.1%)
Total	3510 (53.6%)	2517 (38.4%)	522 (8.0%)