Source: International Congress 2016 – Best abstracts in physical activity and telemedicine
Disease area: Airway diseases

Abstract

Background: Little is known regarding the relationship between balance impairments and physical activity in COPD. We aimed to investigate the association between balance and physical activity measured by an accelerometer in elderly COPD.Materials and Methods: Twenty-two outpatients with COPD (age, 72±7 years; FEV₁, 53±21%pred) and 13 age-matched healthy control subjects (age, 72±6 years) were participated. We assessed balance (one-leg standing test [OLST] times, Short Physical Performance Battery [SPPB] total scores, standing balance test scores, 4-m gait speed [4MGS], and five times sit-to-stand test [5STST] times) and physical activity (daily steps) in both groups. Possible confounders were assessed in the COPD group. We analyzed the between-group differences in balance test scores and physical activity. Correlations among balance, daily steps, and possible confounders were determined. Multivariate regression analysis was conducted using one balance measure with the strongest correlation to daily steps as the dependent variable and the daily steps and possible confounders that correlated to the balance measure as predictors.Results: The COPD patients exhibited significant reductions in OLST times (p=0.033), SPPB scores (p=0.013), 4MGS (p<0.001), 5STST times (p=0.002) and daily steps (p=0.003). The OLST times had the strongest correlation to the daily steps. The daily steps (b=0.814, p<0.001) were independently associated with the OLST times after adjusting for possible confounding factors.Conclusions: Impairments in balance and reductions in physical activity were observed in the COPD group. Deficits in balance are independently associated with physical activity.


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Masahiro Iwakura (Akita, Japan), Masahiro Iwakura, Kazuki Okura, Atsuyoshi Kawagoshi, Kazuyuki Shiata, Masahiro Satake, Keiyu Sugawara, Hitomi Takahashi, Mitsunobu Homma, Takeshi Kashiwagura, Takanobu Shioya. Relationships between balance and physical activity measured by an accelerometer in elderly COPD patients. Eur Respir J 2016; 48: Suppl. 60, 2057

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