Symptom-limited Stair Climbing Test in Heart Failure

Study Overview
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Brief Summary
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Aims: To assess the efficacy of symptom-limited stair-climbing test (SLSCT), in determining the exercise capacities of patients with chronic heart failure (CHF) in comparison with cardiopulmonary exercise test (CPET) and 6-minute walk test(6MWT) and to interpret the results according to the clinical status of the patients. Methods: Thirty-one patients, aged 50-75 years, with stage II-III CHF according to the New York Heart Association Classification and left ventricular ejection fraction (LVEF) of ≤45% were included. The demographic and clinical characteristics of the patients were recorded. Exercise capacity was assessed by SLSCT, 6MWT, and CPET. The duration of patients' performance in the test, reasons for ending the test and predicted maximal oxygen consumption (VO2max) were recorded. Heart rate (HR), blood pressure (BP), dyspnoea severity [Modified Borg Scale (MBS)] and peripheral oxygen saturation were recorded. Pulmonary functions were assessed by spirometry.

Official Title
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Effectiveness of Symptom-limited Stair-climbing Test in the Determination of the Exercise Capacity of Patients With Chronic Heart Failure

Conditions
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Chronic Heart Failure

Intervention / Treatment
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* Other: Exercise Test


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: 50-75 years of age NYHA stage II-III LVEF of 45% or less Independently walking and climbing stairs Volunteer to participate in research Exclusion Criteria: Any acute or chronic condition that would limit exercise capacity other than CHF Insufficient mental status to perform tests and surveys Orthopaedic problem limiting exercise test in lower extremity Severe obesity or there is a secondary cause for obesity Uncontrolled cardiac arrhythmia Unstable angina

Ages Eligible for Study
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Minimum Age: 50 Years
Maximum Age: 75 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Intervention/Treatment |
| --- |
|Other: Exercise Test|Tests were conducted to evaluate exercise capacity.|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Symptom-Limited Stair-Climbing Test(SLSCT) | predicted VO2 max (ml/kg/min) | baseline | 
| Six-Minute Walk Test(6MWT) | predicted VO2 max (ml/kg/min) | baseline | 
| Cardiopulmonary Exercise Test(CPET) | predicted VO2 max (ml/kg/min) | baseline | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Heart Rate | Heart Rate beats/min | immediately after the procedure | 
| Left Ventricular Ejection Fraction | Ecocardiography | baseline | 
| Blood Pressure | Systolic and diastolic blood pressure (mmHg) | immediately after the procedure | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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chronic heart failure, exercise capacity, symptom-limited stair-climbing test