Intima-media thickness of carotid artery predicts cardiovascular mortality in hemodialysis patients

Y Nishizawa, T Shoji, K Maekawa, K Nagasue… - American journal of …, 2003 - Elsevier
Y Nishizawa, T Shoji, K Maekawa, K Nagasue, S Okuno, M Kim, M Emoto, E Ishimura…
American journal of kidney diseases, 2003Elsevier
Background: Cardiovascular disease is the leading cause of death in patients with end-
stage renal disease (ESRD). Previous studies showed that patients with ESRD had
increased intima-media thickness of the carotid artery (CA-IMT). In the present study, we
examined whether CA-IMT would predict cardiovascular mortality in patients with ESRD.
Methods: The cohort consisted of 438 patients with ESRD treated with hemodialysis. CA-IMT
was measured by high-resolution B-mode ultrasonography. Results: During the follow-up …
Background
Cardiovascular disease is the leading cause of death in patients with end-stage renal disease (ESRD). Previous studies showed that patients with ESRD had increased intima-media thickness of the carotid artery (CA-IMT). In the present study, we examined whether CA-IMT would predict cardiovascular mortality in patients with ESRD.
Methods
The cohort consisted of 438 patients with ESRD treated with hemodialysis. CA-IMT was measured by high-resolution B-mode ultrasonography.
Results
During the follow-up period of 30 months, 82 deaths, including 44 cardiovascular fatal events, occurred. Compared with those with CA-IMT less than 1.0 mm, those with moderately increased CA-IMT (1.0 to 2.0 mm) and those with severely increased CA-IMT (≥2.0 mm) showed a significantly greater risk for death from cardiovascular causes; odds ratios were 3.17 (95% confidence interval [CI], 1.41 to 7.17; P = 0.005) and 10.20 (95% CI, 3.67 to 28.3; P < 0.0001), respectively, in a multivariate Cox analysis including age, sex, duration of hemodialysis therapy, presence of diabetes mellitus, blood pressure, body mass index, and high-density lipoprotein and non-high-density lipoprotein cholesterol levels as covariates. Conversely, CA-IMT was not significantly associated with noncardiovascular mortality.
Conclusion
These results indicate that increased CA-IMT is an independent predictor of cardiovascular mortality in the hemodialysis population. Am J Kidney Dis 41(S1):S76-S79. © 2003 by the National Kidney Foundation, Inc.
Elsevier