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Validation of a Walk-Time Limit Test (WTLT) Derived From the 6-Minute Walk Test (6-MWT) in Patients With Chronic Cardiovascular or Respiratory Diseases

2019-09-18 03:27:55 | BioPortfolio

Summary

Many exercise tests are commonly used to evaluate the changes of exercise tolerance following rehabilitation programs in patients with chronic respiratory diseases.

Among the tests (6-MWT, incremental test, ...), the literature seems to indicate that endurance time is the most responsive parameter for detecting and quantifying changes in exercise capacity following a rehabilitation program. Although its clinical interest is undeniable, the endurance shuttle walking test is rarely used because it requires the prior performance of two incremental shuttle walking tests to determine the walking speed imposed on the patient.

In this protocol, we propose to test a Walk-Time Limit Test (WTLT) derived from the 6-minute walk test (6-MWT) and based on the average walking speed achieved in this test commonly used in the follow-up of patients with chronic diseases.

TTLM validation would improve the functional assessment of patients with chronic diseases while limiting the number of exercise tests.

Description

Each patient will perform 4 visits over a period of 4-week. Fifty subjects with COPD and fifty subjects with heart failure will be recruited for the same protocol.

During the first visit, the subject will realize two 6-MWT and a cardiopulmonary exercise test on ergocycle with the measure of cardiorespiratory parameters. We will evaluate the physical activity during daily life using an accelerometer and we will use several questionnaires to measure the quality of life, the motivation to physical activities and symptoms.

During the second visit, the subject will realize a 4-meter walk test, two incremental shuttle walk tests (ISWT), an endurance shuttle walk test (ESWT) and a test with dynamometer to measure the quadriceps strength.

During the third and fourth visits, the subject realize two or three endurance walking tests (Walk-Time Limit Test - WTLT) at a walking speed equivalent to the mean speed realize during the better 6MWT (visit 1)

Study Design

Conditions

Chronic Obstructive Pulmonary Disease

Intervention

6-minute walk test, Walk-Time Limit Tes, Incremental shuttle walk test, Endurance shuttle walk test, Respiratory Functional Assessment

Status

Not yet recruiting

Source

University Hospital, Brest

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-09-18T03:27:55-0400

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Medical and Biotech [MESH] Definitions

A measure of endurance tests that show how far and fast an individual can walk without stopping within a certain period of time.

Procedure to accelerate the ability of a patient to walk or move about by reducing the time to AMBULATION. It is characterized by a shorter period of hospitalization or recumbency than is normally practiced.

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