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Improving Functional Capacity in Fontan Patients Through Inspiratory Muscle Training

Congenital Heart Disease Clinical Trial

Official title:
Improving Functional Capacity in Fontan Patients Through Inspiratory Muscle Training

Clinical Trial Summary

Mechanisms that typically result in increased cardiac output, such as inotropic support, increased heart rate, and decreased afterload, have a blunted effect in Fontan circulation. The "thoracic pump" is a contributor to venous return that has been largely unexplored in patients with Fontan physiology. Inspiratory muscle training can improve the performance of competitive athletes across a range of sports and can improve quality of life and functional capacity in heart failure patients, presumably by reducing inspiratory muscle fatigue and possibly by improving peripheral blood flow during exercise. One could surmise that the effects of these changes would be particularly important in the Fontan population. The investigators propose to study the effects of inspiratory muscle training on exercise and pulmonary function parameters in a cohort of adult Fontan patients.

The investigators hypothesize that a 12-week program of inspiratory muscle training with an inspiratory impedance threshold device will improve inspiratory muscle strength and endurance, and that this will translate into improved exercise performance in patients with Fontan physiology.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01977222
Study type Interventional
Source Boston Children’s Hospital
Contact
Status Completed
Phase N/A
Start date December 2013
Completion date March 2015
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