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Mechanisms and Treatment of Intradialytic Hypertension - Sodium — MATCH-Sodium  

Hypertension Clinical Trial

Official title:
Mechanisms and Treatment of Intradialytic Hypertension - Sodium

Clinical Trial Summary

The purpose of this study is to determine the role of dialysate exposure and fluid removal during hemodialysis in the pathophysiology of intradialytic hypertension.

Clinical Trial Description

Specific Aim #1 To determine in a crossover study of 15 maintenance hemodialysis patients with intradialytic hypertension whether standard dialysis with ultrafiltration (dialysate Na of 140), dialysis without ultrafiltration (dialysate Na of 140), or ultrafiltration alone (no dialysate) is associated with the an increase in systolic blood pressure during hemodialysis Specific Aim #2 To determine in a crossover study of 15 maintenance hemodialysis with intradialytic hypertension whether standard dialysis with ultrafiltration, dialysis without ultrafiltration, or ultrafiltration alone is associated with change in either endothelin-1 or nitric oxide during hemodialysis SUBSTUDY AIMS Specific Aim #1 To determine in a randomized 3-week, 2 period crossover study of 15 maintenance hemodialysis patients with intradialytic hypertension whether high vs low dialysate-to-serum Na gradients impairs release of NO, increases ET-1 or causes an acute intradialytic increase in systolic BP,. Specific Aim #2 TO determine in a randomized 16-week, 2-period crossover study of 30 hemodialysis patients with intradialytic hypertension the effects of 8 weeks of high dialysate-to-plasma Na gradients to 8-weeks of low Na gradients on EC function (FMD and ADMA) and 44 hour ambulatory BP. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01371890
Study type Observational
Source University of Texas Southwestern Medical Center
Contact
Status Completed
Phase
Start date May 2011
Completion date August 2012
View Details
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