Calcium Mass Balances in Bicarbonate Hemodialysis

Table 1

Ca mass balances in bicarbonate HD with different inlet dialysate Ca concentration (CaD).

Authors	Hours	Number of patients	CaD (mmol/L)	Calcium mass balance (mg)
Malberti et al. [5]	4	20	1.75	+80±164
Hou et al. [6]	4	7	1.75	+876±92
Fabrizi et al. [7]	3	6	1.75	+308±52
Al-Heijaili et al. [8]	4	13	1.75	+584±196
Karohl et al. [9]	4	23	1.75	+405±413
Malberti et al. [5]	4	20	1.50	−112±80
Malberti et al. [10]	4	11	1.50	−204±124
Al-Heijaili et al. [8]	4	13	1.50	−80±64
Karohl et al. [9]	4	23	1.50	+46±400
Basile et al. [11]	4	22	1.50	+293±228
Basile et al. [12]	4	11	1.50	+285±137
Basile et al. [12]	8	11	1.50	+298±132
Al-Heijaili et al. [8]	8	13	1.50	−171±287
Basile et al. [11]	4	22	1.375	+182±125
Basile et al. [11]	4	22	1.25	+75±122
Hou et al. [6]	4	7	1.25	+216±136
Fabrizi et al. [7]	3	6	1.25	−6±36
Malberti and Ravani [10]	4	11	1.25	−324±156
Al-Heijaili et al. [8]	4	13	1.25	−328±108
Karohl et al. [9]	4	23	1.25	−468±563
Sigrist and McIntyre [13]	4	52	1.25	−188±232
Karohl et al. [9]	4	23	1.00	−578±389

Means ± SD. Solute removal during dialysis is expressed as a negative number, whereas solute gain is expressed as a positive number.