An interventional study of Walk-tests in Chronic Coronary, sponsored by Centre Hospitalier Universitaire Dijon. Completed at 1 site in France. Open to participants aged 55 Years and older. Per ClinicalTrials.gov, last updated 2024-02-28.
Sponsored by Centre Hospitalier Universitaire Dijon · Not applicable and Interventional
The objective of this project is to clarify and improve the efficiency of the standardized walk-test in Cardiovascular Rehabilitation. The psycho-metric properties of the 400m walk test at a self-selected speed will be evaluated. Such tests, made at a self-selected ("comfortable", "free") speed particularly assess the endurance capacities. The results of the physiological measurements during the tests will be compared with those of TM6min of Test of Fast Walking of 200m (TMR200m) and a maximal treadmill exercise. Stable coronary patients, aged over 55 years old, will be included.
This study should permit a simplification and a better understanding of the clinical-use of walk tests. In the future, two kinds of tests might be proposed with different distances, 1- 200m-fast-walking-test aimed to evaluate the performance closed to the maximum capacity, 2- self-selected-walk-test on a doubled distance (400m) aimed to evaluate the aerobic capacities of the adaptation of the body in response to effort.
Centre Hospitalier Universitaire Dijon is the lead sponsor of 495 studies on the registry; 105 are open to participants now.
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Other: Walk-tests
Patients will make a 6-minute-walk-test, the 400m-walk-test and a 200m-fast walk test. These first 2 tests (TM6min and TML400m) will be made in an order determined by randomization. This series of test will be repeated 72 hours later for the study reproducibility. It will be followed by a phase of rest of 15 min and a test of effort on travelator, according to the protocol of " modified Bruce " in moderation of portable VO2.
Measurement of intra-class correlation coefficient (ICC)
Measurement between: * 1) The Maximal consumption of oxygen (VO2) uptake during the 400m-walk-test (TML400m) and the VO2 value at the first aerobic threshold measured during graded maximal exercise on treadmill. * 2) the heart rate during TML400 and the heart rate value at the first aerobic threshold measured during graded maximal exercise on treadmill. These ICC will be also assessed, during a 6-minute-walk-test and a 200m-fast walk test compared to the maximal graded test.
Time frame: 3 days
A variance analysis (ANOVA)
To determine differences between the different measures performed in the VO2 tests. If a significant difference is found, a post-hoc LSD(Least Significant Difference)test types will be conducted to classify the variables.
Time frame: 3 days
Univariate analysis
To search for potential relationships between the maximum heart rate and the following variables: age, height, weight, BMI, HRrest (resting heart rate), FC6mn (heart rate at 6 minutes), T6mn (T=6 minutes), FCT200, TMR200 (Test of fast walking of 200m), and TML400. To select the variables of interest, we will use a stepwise method using algorithms available in the NCSS 2004 software (Statistical software).
Time frame: 3 days
This study is completed, as verified in Feb 2024. You cannot join it, but the record below documents what was studied.
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Centre Hospitalier Universitaire Dijon