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Prediction of Peak Oxygen Consumption in Patients with Heart Disease Based on Performance on the Timed Up and Go Test

Santos, Danilo Silva Dos ; Queiroz, Ciro Oliveira ; Dias, Cristiane Maria Carvalho Costa ; Cipriano Junior, Gerson ; Borges, Queila Oliveira ; Ritt, Luiz Eduardo Fonteles

Arquivos brasileiros de cardiologia, 2023-12, Vol.120 (12), p.e20230338-e20230338 [Periódico revisado por pares]

Brazil

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  • Título:
    Prediction of Peak Oxygen Consumption in Patients with Heart Disease Based on Performance on the Timed Up and Go Test
  • Autor: Santos, Danilo Silva Dos ; Queiroz, Ciro Oliveira ; Dias, Cristiane Maria Carvalho Costa ; Cipriano Junior, Gerson ; Borges, Queila Oliveira ; Ritt, Luiz Eduardo Fonteles
  • Assuntos: Aged ; Aged, 80 and over ; Cross-Sectional Studies ; Exercise Test ; Female ; Heart Failure ; Humans ; Male ; Middle Aged ; Oxygen Consumption ; Postural Balance ; Time and Motion Studies
  • É parte de: Arquivos brasileiros de cardiologia, 2023-12, Vol.120 (12), p.e20230338-e20230338
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Central Illustration : Prediction of Peak Oxygen Consumption in Patients with Heart Disease Based on Performance on the Timed Up and Go Test CPET: cardiopulmonary exercise test; TUG: timed up and go test; VO2peak: peak oxygen consumption. The use of the timed up and go (TUG) test to assess cardiorespiratory fitness in patients with heart disease has not been well defined in the literature. Test the association between TUG and peak oxygen consumption (VO2peak), construct an equation based on TUG to predict VO2peak, and determine a cutoff point to estimate VO2peak ≥ 20 mL/kg/min. This cross-sectional study included 201 patients with coronary artery disease or heart failure, between 36 and 92 years of age, who underwent TUG and cardiopulmonary exercise test. Correlation, ROC curve, multiple linear regression, and Bland-Altman analyses were performed. The significance level was set at p < 0.05. The mean age of the total sample was 67 ± 13 years, and 70% of participants were male. The mean VO2peak was 17 ± 6 mL/kg/min, and the mean TUG time was 7 ± 2.5 seconds. The correlation between VO2peak and TUG was r = -0.54 (p < 0.001), and R2 was 0.30. The following equation was developed based on TUG: V O 2 peak = 33.553 + ( - 0.149 × age ) + ( - 0.738 × TUG ) + ( - 2.870 × sex ) ; a value of 0 was assigned to the male sex and 1 to the female sex (adjusted R: 0.41; adjusted R2: 0.40). The VO2peak estimated by the equation was 18.81 ± 3.2 mL/kg/min, and the VO2peak determined by cardiopulmonary exercise test was 18.18 ± 5.9 mL/kg/min (p > 0.05). The best cutoff point in the TUG for VO2peak ≥ 20 mL/kg/min was ≤ 5.47 seconds (area under the curve: 0.80; 95% confidence interval: 0.74 to 0.86). TUG and VO2peak showed a significant association. A prediction equation for VO2peak was developed and validated internally with good performance. The cutoff point in the TUG to predict VO2peak ≥ 20 mL/kg/min was ≤ 5.47 seconds.
  • Editor: Brazil
  • Idioma: Português;Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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