Ultrafiltration Volume Is Associated with Changes in Blood Pressure in Chronically Hemodialyzed Patients

Figures & data

Table 1. Clinical characteristic of the subjects (n = 23) on the study beginning

Age (years)	60.75 ± 10.92
PCR (g/kg/day)	0.98 ± 0.34
Kt/V Daugirdas 2 generation	1.22 ± 0.28
Calcium (mmol/L)	2.58 ± 0.24
Phosphorus (mmol/L)	1.60 ± 0.50
Creatinine (µmol/L)	1,258.82 ± 318.31
Hemoglobin (g/L)	110.32 ± 13.59
Urea (mmol/L)	25.77 ± 5.82
Albumins (g/L)	39.25 ± 5.57
Total cholesterol (mmol/L)	5.11 ± 0.94
LDL-cholesterol (mmol/L)	3.00 ± 0.99
HDL-cholesterol (mmol/L)	1.28 ± 0.44
Triglycerides (mmol/L)	2.22 ± 0.93
BMI (kg/m^2)	25.38 ± 3.14

Legend: LDL: low-density lipoproteins, HDL: high-density lipoproteins, BMI: body mass index, Kt/V single dialysis efficiency (for all 136 treatment), PCR: protein catabolic rate.

Table 2. Differences between predialysis vs. postdialyisis systolic blood pressure, diastolic blood pressure, mean arterial pressure, and pulse pressure with significances (p) (Student t test for dependent data)

	Predialysis	Postdialysis	Significances
Systolic blood pressure (mmHg)	144.92 ± 26.91	134.10 ± 27.49	p<0.001
Diastolic blood pressure (mmHg)	79.41 ± 14.74	73.55 ± 14.34	p<0.001
Mean arterial pressure (mmHg)	101.24 ± 17.50	93.73 ± 17.49	p<0.001
Pulse pressure (mmHg)	65.51 ± 19.00	60.55 ± 19.35	p = 0.002

Figure 1. Linear regression plot between postdialysis pulse pressure (PP) and ultrafiltration per hemodialysis (HD).