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2015 ; 12
(7
): 530-7
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Compliance Index, a Marker of Peripheral Arterial Stiffness, may Predict Renal
Function Decline in Patients with Chronic Kidney Disease
#MMPMID26180508
Kuo TH
; Yang DC
; Lin WH
; Tseng CC
; Chen JY
; Ho CS
; Cheng MF
; Tsai WC
; Wang MC
Int J Med Sci
2015[]; 12
(7
): 530-7
PMID26180508
show ga
BACKGROUND: Compliance index derived from digital volume pulse (CI-DVP),
measuring the relationship between volume and pressure changes in fingertip, is a
surrogate marker of peripheral arterial stiffness. This study investigated if
CI-DVP can predict renal function deterioration, cardiovascular events and
mortality in patients with chronic kidney disease (CKD). METHODS: In this
prospective observational study, 149 CKD patients were included for final
analysis. CI-DVP and brachial-ankle pulse wave velocity (baPWV) were measured,
decline in renal function was assessed by the estimated glomerular filtration
rate (eGFR) slope. Composite renal and cardiovascular outcomes were evaluated,
including ?50% eGFR decline, start of renal replacement therapy, and major
adverse events. RESULTS: Patients in CKD stages 3b to 5 had higher baPWV and
lower CI-DVP values than those in patients with CKD stages 1 to 3a. Stepwise
multivariate linear regression analysis showed that lower CI-DVP (p =0.0001) and
greater proteinuria (p =0.0023) were independent determinants of higher eGFR
decline rate. Multivariate Cox regression analysis revealed that CI-DVP (HR 0.68,
95% CI 0.46-1.00), baseline eGFR (HR 0.96, 95% CI 0.94-0.98) and serum albumin
(HR 0.17, 95% CI 0.07-0.42) were independent predictors for composite renal and
cardiovascular outcomes. CONCLUSIONS: Compliance index, CI-DVP, was significantly
associated with renal function decline in patients with CKD. A higher CI-DVP may
have independent prognostic value in slower renal function decline and better
composite renal and cardiovascular outcomes in CKD patients.