Browsing by Author "Louvaris, Zafeiris"

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  • Both moderate and severe exacerbations accelerate physical activity decline in COPD patients
    Demeyer, Heleen; Costilla-Frias, Marcos; Louvaris, Zafeiris; Gimeno Santos, Elena, 1980-; Tabberer, Maggie; Rabinovich, Roberto A.; de Jong, Corina; Polkey, Michael I.; Hopkinson, Nicholas S.; Karlsson, Niklas; Serra, Ignasi; Vogiatzis, Ioannis; Troosters, Thierry; García Aymerich, Judith; PROactive consortium (European Respiratory Society, 2018)
  • Progression of physical inactivity in COPD patients: the effect of time and climate conditions - a multicenter prospective cohort study
    Boutou, Afroditi K.; Raste, Yogini; Demeyer, Heleen; Troosters, Thierry; Polkey, Michael I.; Vogiatzis, Ioannis; Louvaris, Zafeiris; Rabinovich, Roberto A.; van der Molen, Thys; García Aymerich, Judith (Dove Medical Press, 2019)
    Purpose: Longitudinal data on the effect of time and environmental conditions on physical activity (PA) among COPD patients are currently scarce, but this is an important factor in the design of trials to test interventions ...
  • Smartphone-based physical activity telecoaching in chronic obstructive pulmonary disease: mixed-methods study on patient experiences and lessons for implementation
    Loeckx, Matthias; Rabinovich, Roberto A.; Demeyer, Heleen; Louvaris, Zafeiris; Tanner, Rebecca; Rubio, Noah; Frei, Anja; de Jong, Corina; Gimeno Santos, Elena, 1980-; Rodrigues, Fernanda M.; Buttery, Sara C.; Hopkinson, Nicholas S.; Büsching, Gilbert; Strassmann, Alexandra; Serra, Ignasi; Vogiatzis, Ioannis; García Aymerich, Judith; Polkey, Michael I.; Troosters, Thierry (JMIR Publications Inc., 2018)
    Background: Telecoaching approaches can enhance physical activity (PA) in patients with chronic obstructive pulmonary disease (COPD). However, their effectiveness is likely to be influenced by intervention-specific ...
  • Validity and responsiveness of the Daily- and Clinical visit-PROactive Physical Activity in COPD (D-PPAC and C-PPAC) instruments
    García Aymerich, Judith; Puhan, Milo A.; Corriol-Rohou, Solange; de Jong, Corina; Demeyer, Heleen; Dobbels, Fabienne; Erzen, Damijan; Frei, Anja; Gimeno Santos, Elena, 1980-; Hopkinson, Nicholas S.; Ivanoff, Nathalie; Karlsson, Niklas; Louvaris, Zafeiris; Polkey, Michael I.; Rabinovich, Roberto A.; Scuri, Mario; Tabberer, Maggie; Vogiatzis, Ioannis; Troosters, Thierry; PROactive consortium (BMJ Publishing Group, 2021)
    Background: The Daily-PROactive and Clinical visit-PROactive Physical Activity (D-PPAC and C-PPAC) instruments in chronic obstructive pulmonary disease (COPD) combines questionnaire with activity monitor data to measure ...