Arteriovenous fistulas and digital hypoperfusion ischemic syndrome in patients on hemodialysis

Table 1 Demographic, gender and clinical characteristics of the studied respondents n (%)

	Digital hypoperfusion ischemic syndrome		P
	Yes	No
	(n = 120)	(n = 84)
Age (yr), mean ± SD	61 ± 11.0	58.0 ± 11	0.011
Gender,			0.76
Male	77 (64.2)	56 (66.7)
Female	43 (35.8)	28 (33.3)
Length of dialysis treatment (mo), median (range)	60 (3–312)	43 (3–263)	0.021
BMI, mean ± SD	23.1 ± 5.4	23.5 ± 4.7	0.62
Smoking	59 (49.2)	43 (51.2)	0.88
Alcohol consumption	27 (25)	21 (27)	0.78
Cardiovascular diseases	77 (64.2)	33 (39.3)	< 0.0011
Diabetes mellitus	30 (25)	8 (9.5)	< 0.0011
AVF blood flow (mL/min), median (range)	760	630	0.031
	(100–2000)	(100–1500)
Oxygen saturation, mean ± SD (%)	97 ± 20	97 ± 3.2	0.041

¹Statistically significant parameters. BMI: Body mass index; AVF: Arteriovenous fistula.

Table 2 Survival analysis of patients with digital hypoperfusion ischemic syndrome-Cox regression model

Investigated parameters	B	P
Age	0.012	0.553
Gender	0.292	0.551
Kt/V	-3.604	< 0.0011
Smokers	-0.901	0.0491
Alcohol consumption	-0.073	0.856
Diabetes mellitus	-1.227	0.0051
Cardiovascular disease	0.333	0.450
Erythropoietin therapy	1.274	0.0021
HDF	-1.242	0.031

¹Statistically significant parameters. HDF: Hemodiafiltration; Kt/V: Index for adequacy of the hemodialysis.