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Levels of physical activity and predictors of mortality in COPD / Niveis de atividade fisica e preditores de mortalidade na DPOC
Nyssen, Samantha Maria; Santos, Julia Gianjoppe dos; Barusso, Marina Sallum; Oliveira Junior, Antonio Delfino de; Lorenzo, Valeria Amorim Pires Di; Jamami, Mauricio.
  • Nyssen, Samantha Maria; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
  • Santos, Julia Gianjoppe dos; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
  • Barusso, Marina Sallum; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
  • Oliveira Junior, Antonio Delfino de; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
  • Lorenzo, Valeria Amorim Pires Di; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
  • Jamami, Mauricio; Federal University of Sao Carlos. Department of Physical Therapy. Sao Carlos. BR
J. bras. pneumol ; 39(6): 659-666, Nov-Dec/2013. tab, graf
Article in English | LILACS | ID: lil-697778
ABSTRACT

OBJECTIVE:

To compare the Body mass index, airway Obstruction, Dyspnea, and E xercise capacity (BODE) index scores and its individual components between COPD patients with and without severe physical inactivity, as well as to correlate the number of steps/day with scores of physical activity questionnaires, age, and the BODE index (including its components).

METHODS:

We included 30 patients, who were evaluated for body composition, pulmonary function (FEV1), perception of dyspnea (modified Medical Research Council scale), and exercise capacity (six-minute walk distance [6MWD]). The patients also completed the International Physical Activity Questionnaire (IPAQ), short version, and the modified Baecke questionnaire (mBQ). The level of physical activity was assessed by the number of steps/day (as determined by pedometer), using the cut-off of 4,580 steps/day to form two groups no severe physical inactivity (SPI−) and severe physical inactivity (SPI+). We used the Mann-Whitney test or t-test, as well as Pearson's or Spearman's correlation tests, in the statistical analysis.

RESULTS:

In comparison with the SPI− group, the SPI+ group showed more advanced age, higher mBQ scores (leisure domain), lower 6MWD (in m and % of predicted), and lower IPAQ scores (metabolic equivalent-walk/week domain and total). The IPAQ scores showed weak correlations with steps/day (r = 0.399), age (r = −0.459), and 6MWD-in m (r = 0.446) and in % of predicted (r = 0.422).

CONCLUSIONS:

In our sample, the cut-off of 4,580 steps/day was not sensitive enough to identify differences between the groups when compared with the predictors of mortality. The IPAQ, short version score correlated with steps/day. .
RESUMO

OBJETIVO:

Comparar a pontuação do índice Body mass index, airway Obstruction, Dyspnea, and Exercise capacity (BODE) e seus componentes individuais em pacientes com DPOC com grave inatividade física ou não, assim como correlacionar o número de passos diários com pontuações de questionários de atividade física, idade, índice BODE e seus componentes.

MÉTODOS:

Foram incluídos 30 pacientes, os quais foram avaliados quanto a sua composição corporal, função pulmonar (VEF1), percepção de dispneia (escala modified Medical Research Council) e capacidade de exercício distância percorrida no teste de caminhada de seis minutos (DTC6). Além disso, os participantes responderam ao International Physical Activity Questionnaire (IPAQ) versão curta e questionário de Baecke modificado (QBm). O nível de atividade desses pacientes foi avaliado pelo número de passos diários por pedômetro, utilizando-se o ponto de corte de 4.580 passos para a formação de dois grupos grupo sem grave inatividade física (GIF−) e grupo com grave inatividade física (GIF+). Foram utilizados os testes de Mann-Whitney ou t não pareado, assim como os testes de correlação de Spearman ou de Pearson, na análise estatística.

RESULTADOS:

Idade mais avançada, maiores escores no QBm (domínio lazer), menor DTC6 (em m e em % do previsto) e menores escores no IPAQ (domínios equivalentes metabólicos em caminhada e total por semana) foram encontrados no grupo GIF+ do que no grupo GIF−. Houve correlações fracas dos escores do IPAQ com o número de passos diários (r =0,399), idade (r = -0,459), DTC6 em m (r = 0,446) e em % do previsto (r = 0,422).

CONCLUSÕES:

Na amostra estudada, o ponto de corte de 4.580 passos diários não foi sensível ...
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Exercise / Body Mass Index / Pulmonary Disease, Chronic Obstructive / Dyspnea Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Sao Carlos/BR

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Full text: Available Index: LILACS (Americas) Main subject: Exercise / Body Mass Index / Pulmonary Disease, Chronic Obstructive / Dyspnea Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Sao Carlos/BR