Kalaitzidis RG, Karasavvidou DP, Tatsioni A, Pappas K, Katatsis G, Liontos A, Elisaf MS. Albuminuria as a marker of arterial stiffness in chronic kidney disease patients. World J Nephrol 2015; 4(3): 406-414 [PMID: 26167465 DOI: 10.5527/wjn.v4.i3.406]
Corresponding Author of This Article
Moses S Elisaf, MD, FASA, FRSH, Professor, Department of Internal Medicine, Medical School, University of Ioannina, Epirus, 45110 Ioannina, Greece. egepi@cc.uoi.gr
Research Domain of This Article
Urology & Nephrology
Article-Type of This Article
Clinical Trial Study
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
World J Nephrol. Jul 6, 2015; 4(3): 406-414 Published online Jul 6, 2015. doi: 10.5527/wjn.v4.i3.406
Table 1 Demographic and aortic stiffness indices characteristics
Patients characteristics
Study population
Patients with moderately increased albuminuria
Patients with severely increased albuminuria
P value
No
115
58
57
-
Age (yr)
52.6 ± 14.6
51.4 ± 14.4
54.2 ± 15.07
NS
Sex (M/F), (n)
76/39
39/19
37/20
NS
BMI (kg/m2)
30.9 ± 19.3
28.6 ± 4.5
33.9 ± 28.2
< 0.03
Smoking, n (%)
5
3
2
NS
pSBP (mmHg)
138.0 ± 14.2
139 ± 12.7
138.0 ± 15.5
NS
pDBP (mmHg)
84.2 ± 9.7
84.9 ± 10.7
82.6 ± 9.8
NS
pPP (mmHg)
57.9 ± 15.9
56.7 ± 15.1
59.4 ± 16.9
NS
cSBP (mmHg)
130.3 ± 14.6
130 ± 13.3
130.2 ± 16.5
NS
cDBP(mmH)
84.2 ± 9.7
84.9 ± 10.7
84.3 ± 8.6
NS
cPP (mmHg)
48.1 ± 17.6
47.9 ± 17.9
48.4 ± 17.8
NS
AIx (%)
21.1 ± 10.6
18.4 ± 10.0
24.5 ± 10.0
< 0.004
PWVc-f (m/sec)
8.7 ± 2.0
8.3 ± 2.0
9.1 ± 1.9
< 0.02
ACEIs, n (%)
(ramipril or quinapril)
100 (86)
56 (96)
44 (77)
NS
AT1 RB, n (%)
(valsartan or olmesartan)
20 (17.4)
9 (15.5)
11 (19.2)
NS
CCBs, n (%)
11 (9.5)
6 (10.3)
5 (8.7)
NS
Statins, n (%)
7 (6.08)
3 (5.1)
4 (7.01)
NS
Table 2 Biochemical characteristics of the study population
Patients characteristics
Study population
Patients with moderately increased albuminuria
Patients with severely increased albuminuria
P value
No
115
58
57
-
Ht (%)
42.3 ± 3.7
43.2 ± 3.7
41.4 ± 3.5
0.01
Hb (g/dL)
13.6 ± 1.3
14.1 ± 1.5
13.3 ± 1.5
0.02
Fe (μg/dL)
89 ± 35.5
90.2 ± 30
84.2 ± 38.5
NS
Ferritin (ng/L)
127.4 ± 90.1
127.8 ± 87.9
131.3 ± 96.5
NS
Fibrinogen (mg/dL)
336 ± 82.9
339 ± 86.5
394 ± 133.9
< 0.01
hsCRP (mg/dL)
0.19 ± 0.06
0.18 ± 0.05
0.23 ± 0.10
< 0.001
T-CHOL (mg/dL)
203 ± 37.5
208 ± 39.2
209 ± 46.8
NS
TRG (mg/dL)
126 ± 45.7
123 ± 46.3
145 ± 70.2
0.05
HDL-C (mg/dL)
53.4 ± 13.3
53 ± 12.9
54.2 ± 14.9
NS
LDL-C (mg/dL)
119 ± 32
120 ± 3.7
121 ± 3.6
NS
Ca2+ (mg/dL)
9.7 ± 0.4
9.7 ± 0.5
9.8 ± 0.4
NS
PO43- (mg/dL)
3.42 ± 0.4
3.3 ± 0.4
3.5 ± 0.5
0.01
Ca2+ x PO43-
33.7 ± 4.8
32.6 ± 4.5
33.9 ± 8.6
NS
PTH (pg/mL)
42.4 ± 15.4
39.8 ± 13.6
45.4 ± 29.9
NS
sAlb (gr/dL)
4.5 ± 0.2
4.5 ± 0.3
4.3 ± 0.5
0.03
eGFR-MDRD (mL/min per 1.73 m2)
92 ± 0.5
91.5 ± 20.5
79.1 ± 15.3
< 0.001
CKD-EPI(mL/min per 1.73 m2)
73.4 ± 1.25
73.1 ± 13.7
73.6 ± 11.2
NS
Table 3 Univariate linear regression analysis of the parameters associated with the absolute values of pulse wave velocity
Covariates
β
t
β(95%CI)
P value
Alb
0.841
2.271
0.107-1.574
< 0.025
Age
0.026
2.047
0.001-0.051
< 0.043
BMI
0.009
0.880
0.011-0.028
0.381
pSBP
0.032
2.511
0.007-0.058
< 0.013
pDBP
0.005
0.285
-0.032-0.042
< 0.776
pPP
0.029
2.277
0.004-0.053
< 0.025
cSBP
0.031
2.298
0.004-0.508
< 0.024
cDBP
-0.004
-0.173
-0.045-0.038
0.963
cPP
0.014
1.257
0.008-0.037
0.212
Ht
0.103
2.077
0.005-0.202
0.040
Hb
0.227
1.812
0.020-0.476
0.070
T-CHOL
0.021
0.456
-0.011-0.007
0.649
TRG
0.002
0.752
0.009-0.004
0.454
HDL-C
-0.006
-0.417
-0.033-0.022
0.677
LDL-C
0.023
0.445
0.013-0.477
0.674
Fbrinogen
0.0001
0.524
-0.004-0.002
0.602
hsCRP
-0.011
0.046
-0.442-0.422
0.964
RAAS-blocker
0.081
-0.103
-1.650-1.487
0.918
Table 4 Multivariate linear regression analysis of the parameters associated with the absolute values of pulse wave velocity
Covariates
β
t
β(95%CI)
P value
UAlb
1.038
2.638
0.257-1.820
< 0.010
pSBP
0.028
2.149
0.002-0.053
< 0.034
Ht
0.171
3.319
0.069-0.273
< 0.001
Table 5 Univariate linear regression analysis of the parameters associated with absolute values of Alx
Covariates
β
t
β(95%CI)
P value
UAlb
6.201
2.977
2.065-10.337
< 0.004
Age
0.236
3.427
0.099-0.373
< 0.0001
BMI
0.036
0.667
0.070-0.142
0.507
pSBP
0.291
4.427
0.161-0.422
< 0.0001
pDBP
0.001
0.002
-0.216-0.216
< 0.002
pPP
0.278
4.536
0.156-0.400
< 0.0001
cSBP
0.349
5.518
0.223-0.474
< 0.0001
cDBP
-0.045
-0.401
0.265-0.176
0.689
cPP
0.265
4.912
0.558-0.372
< 0.0001
Ht
-0.848
0.002
-1.382-0.314
< 0.002
Hb
-0.599
-0.826
-2.040-0.841
0.411
T-CHOL
0.050
1.836
-0.041-0.042
0.069
TRG
0.021
1.164
0.015-0.057
0.247
HDL-C
0.104
1.318
-0.534-0.035
0.262
LDL-C
0.047
1.265
-0.045-0.052
0.243
Fbrinogen
0.007
0.749
-0.122-0.273
0.456
hsCRP
0.015
0.732
-1.738-3.768
0.466
RAAS-blocker
1.043
0.139
13.881-15.966
0.890
Table 6 Multivariate linear regression analysis of the parameters associated with the absolute values of Al
Covariates
β
t
β(95%CI)
P value
UAlb
4.385
2.557
1.023-8.146
< 0.012
cSBP
0.242
3.563
0.107-0.376
< 0.0001
cPP
0.147
2.623
0.036-0.259
< 0.0001
Ht
0.591
2.536
1.055-0.128
< 0.013
Citation: Kalaitzidis RG, Karasavvidou DP, Tatsioni A, Pappas K, Katatsis G, Liontos A, Elisaf MS. Albuminuria as a marker of arterial stiffness in chronic kidney disease patients. World J Nephrol 2015; 4(3): 406-414