An In Vitro Evaluation of the Red Cell Damage and Hemocompatibility of Different Central Venous Catheters

Table 3

Measurements from single-lumen CVCs after 33 mL/min flow rate of erythrocyte concentrate.

	A ()		B ()		C ()
	Mean	SE	Mean	SE	Mean	SE
Total Hb (g/L)	195.7	1.96	200.0	4.46	203.3	3.83
Free Hb (g/L)	5.4	0.44	5.9	0.5	5.9	0.5
Hematocrit (%)	0.68	0.01	0.69	0.01	0.7	0.01
Hemolysis (%)	2.75	0.22	2.88	0.2	2.87	0.23
Microparticles (MP/mL)	557,629	89,550	553,899	120,653	588,968	114,092
Erythrocyte MP (MP/mL)	270,462	46,708	288,358	80,665	322,014	71,361
Medium speed (cm/s)	6.064	0	7.79	0.00002	6.064	0
Shear rate (1/s)	35.67	0	51.936	0.00012	35.67	0
Shear stress (Pa)	0.144	0.0009	0.212	0.0027	0.147	0.0016
Exposure time (s)	9.09	0	9.09	0	9.09	0
Dynamic viscosity (Pas)	0.00403	0.00003	0.00408	0.00005	0.00413	0.00005