Puerto Rico health sciences journal · 2025
Association of 6-Minute Walk Test (6MWT) Data with Cardiopulmonary Factors in Hispanic Systemic Sclerosis Patients.
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Rios Grissel, Pérez-Ríos Naydi
Аннотация
OBJECTIVE: Systemic Sclerosis (SSc) is an autoimmune disease with significant morbidity and mortality secondary to pulmonary manifestations. The six-minute walk test (6MWT) has been used in SSc studies to measure respiratory complications, particularly pulmonary hypertension. In this study, we evaluated whether the six-minute walk distance (6MWD), measured during the 6MWT, is associated with clinical SSc symptoms in Puerto Rican patients in a rheumatology clinic.
METHODS: We prospectively collected 6MWT data for 37 consecutive SSc patients at the University of Puerto Rico every three months for one year between 2013 and 2015. A linear mixed regression model was used to investigate the effects of the SSc clinical features and subtypes on average 6MWD over time.
RESULTS: The average baseline distance walked by SSc patients was 365.2 (± 8.1) meters, with no significant differences over time. No statistically significant differences (p>0.05) were found in the sixminute walk distance (6MWD) at different time intervals for SSc subtypes. Two clinical features, palpitations and lung crackles, were associated with a significantly shorter 6MWD(p<0.05).
CONCLUSION: Our study showed that the 6MWT can be used to evaluate SSc patients. No association was found between 6MWD and most clinical SSc symptoms in our population. Two clinical symptoms, lung crackles and palpitations, were associated with decreased 6MWD.
METHODS: We prospectively collected 6MWT data for 37 consecutive SSc patients at the University of Puerto Rico every three months for one year between 2013 and 2015. A linear mixed regression model was used to investigate the effects of the SSc clinical features and subtypes on average 6MWD over time.
RESULTS: The average baseline distance walked by SSc patients was 365.2 (± 8.1) meters, with no significant differences over time. No statistically significant differences (p>0.05) were found in the sixminute walk distance (6MWD) at different time intervals for SSc subtypes. Two clinical features, palpitations and lung crackles, were associated with a significantly shorter 6MWD(p<0.05).
CONCLUSION: Our study showed that the 6MWT can be used to evaluate SSc patients. No association was found between 6MWD and most clinical SSc symptoms in our population. Two clinical symptoms, lung crackles and palpitations, were associated with decreased 6MWD.