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Effect of Renal Transplantation on Obstructive Sleep Apnea in End Stage Renal Disease Patients (SASinTx) — SASinTx  

Obstructive Sleep Apnea Clinical Trial

Official title:
Prospective Interventional Study Investigating the Effect of Renal Transplantation on Obstructive Sleep Apnea and Its Correlation to Nocturnal Rostral Fluid Shift, in End Stage Renal Disease Patients

Clinical Trial Summary

The purpose of this study is to investigate the effect of renal transplantation on fluid overload and its consequence on the severity of obstructive sleep apnea, in patients with end stage chronic kidney disease. It aims further to investigate the relationship between overhydration, nocturnal rostral fluid shift and the severity of sleep apnea.

Clinical Trial Description

Obstructive sleep disordered breathing is more prevalent in end stage kidney disease patients than in the general population, and may participate to the increased cardiovascular mortality observed in this group of patients. Despite a significant increase in knowledge about the harmful effects of obstructive sleep apnea, the pathophysiological mechanisms are poorly understood. Recent observations suggest a causative relationship between overnight fluid displacement from the legs to the neck soft and the severity of obstructive sleep apnea. This mechanism was demonstrated in otherwise healthy subjects, in heart failure patients, and in patients with venous insufficiency. We thus suspect that this pathophysiologic mechanism could explain the increased prevalence of obstructive sleep apnea in patients with fluid overload, including chronic renal failure.

The purpose of this study is to investigate the effect of renal transplantation on fluid overload and its consequence on the severity of obstructive sleep apnea, in patients with end stage chronic kidney disease. It aims further to investigate the relationship between overhydration, nocturnal rostral fluid shift and the severity of sleep apnea.

The severity of obstructive sleep apnea is measured by two attended polysomnographies, a baseline PSG performed before and a follow-up PSG performed 6 month after renal transplantation. Overhydration and leg fluid are evaluated by bioimpedance, performed at the beginning and at the end of each polysomnography. Patients who are not already transplanted 6 months after the baseline PSG will be re-assessed and will be analyzed as control group. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02020642
Study type Interventional
Source Centre Hospitalier Universitaire Vaudois
Contact
Status Completed
Phase N/A
Start date October 2013
Completion date December 2017
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