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The Impact of Hemodialysis and Arteriovenous Access Flow on Extracranial Hemodynamic Changes in End-Stage Renal Disease Patients
Journal of Korean Medical Science ; : 1239-1245, 2016.
Article in English | WPRIM | ID: wpr-143638
ABSTRACT
In this study, we characterized cerebral blood flow changes by assessment of blood flow parameters in neck arteries using carotid duplex ultrasonography and predictive factors for these hemodynamic changes. Hemodynamic variables were measured before and during hemodialysis in 81 patients with an arteriovenous access in their arm. Hemodialysis produced significant lowering in peak systolic velocity and flow volume of neck arteries and calculated total cerebral blood flow (1,221.9 ± 344.9 [before hemodialysis] vs. 1,085.8 ± 319.2 [during hemodialysis], P < 0.001). Effects were greater in vessels on the same side as the arteriovenous access and these changes were influenced by arteriovenous access flow during hemodialysis, both in the CCA (r = -0.277, P = 0.015) and the VA (r = -0.239, P = 0.034). The change of total cerebral blood flow during hemodialysis was independently related with age, presence of diabetes, and systemic blood pressure.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Carotid Arteries / Cerebrovascular Circulation / Risk Factors / Renal Dialysis / Ultrasonography, Doppler, Duplex / Dizziness / Hemodynamics / Kidney Failure, Chronic Type of study: Etiology study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Journal of Korean Medical Science Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Carotid Arteries / Cerebrovascular Circulation / Risk Factors / Renal Dialysis / Ultrasonography, Doppler, Duplex / Dizziness / Hemodynamics / Kidney Failure, Chronic Type of study: Etiology study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Journal of Korean Medical Science Year: 2016 Type: Article