Browsing by Author "Karlsson, Niklas"

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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)
  • Depression symptoms reduce physical activity in COPD patients: a prospective multicenter study
    Dueñas-Espín, Iván, 1979-; Demeyer, Heleen; Gimeno Santos, Elena, 1980-; Polkey, Michael I.; Hopkinson, Nicholas S.; Rabinovich, Roberto A.; Dobbels, Fabienne; Karlsson, Niklas; Troosters, Thierry; García Aymerich, Judith (Dove Medical Press, 2016)
    BACKGROUND: The role of anxiety and depression in the physical activity (PA) of patients with COPD is controversial. We prospectively assessed the effect of symptoms of anxiety and depression on PA in COPD patients. METHODS: ...
  • Determinants and outcomes of physical activity in patients with COPD: a systematic review
    Gimeno Santos, Elena, 1980-; Frei, Anja; Steurer Stey, Claudia; Batlle Garcia, Jordi de, 1981-; Rabinovich, Roberto A.; Raste, Yogini; Hopkinson, Nicholas S.; Polkey, Michael I.; van Remoortel, Hans; Troosters, Thierry; Kulich, Karoly; Karlsson, Niklas; Puhan, Milo A.; García Aymerich, Judith; PROactive consortium (BMJ Publishing Group, 2014)
    BACKGROUND: The relationship between physical activity, disease severity, health status and prognosis in patients with COPD has not been systematically assessed. Our aim was to identify and summarise studies assessing ...
  • Physical activity characteristics across GOLD quadrants depend on the questionnaire used
    Demeyer, Heleen; Gimeno Santos, Elena, 1980-; Rabinovich, Roberto A.; Hornikx, Miek; Louvaris, Zafeiris; de Boer, Willem I.; Karlsson, Niklas; de Jong, Corina; van der Molen, Thys; Vogiatzis, Ioannis; Janssens, Wim; García Aymerich, Judith; Troosters, Thierry; Polkey, Michael I.; PROactive consortium (Public Library of Science (PLoS), 2016)
    Background. The GOLD multidimensional classification of COPD severity combines the exacerbation risk with the symptom experience, for which 3 different questionnaires are permitted. This study investigated differences in ...
  • 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 ...

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