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Relationship between left ventricular diastolic dysfunction and six minute walk test in patients with systemic
Ali Akdogan1, Ergun B Kaya, Abdurrahman Sahin
1Division of Rheumatology, Faculty of Medicine School of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey.
International Journal of Rheumatic Diseases
|October 19, 2011
Summary
Left ventricular diastolic dysfunction (LVDD) reduces functional capacity in systemic sclerosis (SSc) patients, as measured by the six-minute walk test (6MWT). Reduced 6MWT distance in SSc patients warrants investigation for LVDD.
Area of Science:
- Cardiology
- Rheumatology
- Pulmonology
Background:
- The six-minute walk test (6MWT) assesses functional capacity in cardiopulmonary diseases.
- Left ventricular diastolic dysfunction (LVDD) is a common cardiac issue in systemic sclerosis (SSc).
Purpose of the Study:
- To determine the impact of LVDD on 6MWT parameters in SSc patients.
Main Methods:
- 45 SSc patients were evaluated using the 6MWT.
- Exclusion criteria targeted conditions affecting 6MWT distance (6MWD).
- LVDD was assessed via echocardiography and categorized.
Main Results:
- 12% of SSc patients had LVDD and were older than those without.
- SSc patients with LVDD exhibited a shorter 6MWD (438.0 m vs. 506.0 m).
- A significant difference was observed in the percentage of predicted 6MWD between groups.
Conclusions:
- LVDD presence negatively impacts 6MWD in SSc patients.
- A decreased 6MWD in SSc patients suggests the need for LVDD evaluation.
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