Article

Recently, gait speed reached an increasing importance in the
management of respiratory patients. The aim of this retrospective study was to
compare walking speed and physiological adaptations during the 6MWT in COPD and
CF patients. METHODS: 6MWT performed by COPD and CF patients were retrospectively
reviewed. Global and sequential walking speeds were measured on six minutes and
every sequence of two minutes respectively. Heart rate, oxygen saturation and
dyspnea were analyzed. RESULTS: 78 and 246 tests from CF and COPD patients were
reviewed respectively. FEV1 (52.3 vs 56.2% pred) and FVC (72.5 vs 73.8% pred)
were similar between both diseases. However, 6MWT in patients with CF were
characterized by significantly higher heart rate, global walking speed and
walking distance (+68%) while dyspnea evolutions and the proportions of patients
presenting walking speed decline over the 6min were significantly lower.
CONCLUSION: Walking speed and cardio-respiratory parameters evolution during 6MWT
differ between COPD and CF patients.
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Langue : ANGLAIS