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Effects of Aerobic Exercise on Arteriovenous Fistula

2019-07-16 10:38:49 | BioPortfolio

Summary

Arteriovenous fistula (AVF) is considered the gold standard for safe and effective vascular access during hemodialytic treatment. It is known that systemic aerobic exercise is capable of promoting peripheral vasodilation, however, its effects on AVF are unknown. For this reason, we will evaluate the effects of aerobic exercise on a stationary bicycle over the AVF caliber.

Description

Hemodialysis is a method responsible for filtering blood and helping to control excess blood fluid and impurities in patients with end-stage chronic kidney disease. The vascular accesses commonly used in this procedure is atribute catheter, which is placed in a large caliber vein, usually jugular or femoral vein, and arteriovenous fistula (AVF). In order to use the AVF in the hemodialysis procedure, a maturation process of the AVF is necessary, characterized by the increase of its caliber, which is accelerated by force exercises located in the AVF region, whose purpose is to promote the vasodilation of the AVF. Systemically performed aerobic exercises are also capable of promoting peripheral vasodilation and their effects on AVF are still unknown. Therefore, this study proposes to evaluate the behavior of the AVF through ultrasound before, during and after performing aerobic exercise on a stationary bicycle. For this, all patient will sign the informed consent form, respond to the International Physical Activity Questionnaire (IPAQ) and questionnaire Kidney Disease Quality of Life (KDQOL-SFTM), and use a pedometer for 7 days to measure the number of steps per day to characterize the sample. Patients will remain in supine position for 5 minutes to measure their vascular caliber of the AVF by echography. After, will be instructed to perform 30 minutes on stationary bike (Model Monark). The AVF vascular caliber will be measured during aerobic exercise. Because it is a cross-over trial, participants will perform the other arm after 7 days.

Study Design

Conditions

Chronic Kidney Diseases

Intervention

Exercise group, Control group

Location

Hospital de Clinicas de Porto Alegre
Porto Alegre
Rio Grade Do Sul
Brazil
90035903

Status

Recruiting

Source

Hospital de Clinicas de Porto Alegre

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-07-16T10:38:49-0400

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