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NORMATIVE VALUES OF 6-MINUTE WALK TEST IN PATIENTS OF CONGESTIVE HEART FAILURE

. Shanza tanveer, Maryam shahzadi, Moqddas Iqbal, Maham Nadeem, Raveena Rajput & Aliha Abid


Abstract

6-minute walk test has considered as one of prognostic tool for the patients with heart and respiratory problem. It is used to measure functional capacity among patients with heart failure. 300m is considered as baseline below which a person with heart failure has poorer prognosis.

Objective: To determine the normative values for 6-min walk test in patient with mild to moderate congestive heart failure.

Methods: It was a cross-sectional study with 556 total participants with mild to moderate congestive heart failure. Equal distribution of participants was done based on gender; 278 male and 278 females. After taking basic medical history, age, gender, weight, height and BMI was recorded. Patient must be stable from last 6 months were guided the procedure and performed 6-min walk test, distance covered in 6-min was noted. Data was analyzed using SPSS version 25. Means and SD was plotted in histograms for all basic values. Pearson correlation was done to find relation between 6-min walk distance and age, weight, height or BMI.

Results: Among female congestive heart failure patient’s height and heart rate have height significant (P<0.05) correlation with 6-min walk test values.  Among males 6-minute walk test have no significant (P>0.0.5) correlation with age, height, blood pressure, oxygen saturation and heart rate. Oxygen saturation have no significant correlation with age, height, blood pressure, oxygen saturation and heart rate.

Conclusion: Variables age, height, heart rate, blood pressure and oxygen saturation were independent of 6-min walk test distance among male CHF patients. While height and heart rate were dependent of 6-min walk test distance among female CHF patients.

Indexed terms_Congestive Heart Failure, 6-Min Walk Test, Normative Values.

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