Aerobic fitness in children and young adults with primary ciliary dyskinesia.

<h4>Background</h4>Although aerobic fitness is regarded as an overall prognostic measure of morbidity and mortality, its evaluation in the chronic progressive sinopulmonary disease primary ciliary dyskinesia (PCD) has been infrequently and inconsistently reported. Here we assessed peak o...

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Autores principales:	Astrid Madsen, Kent Green, Frederik Buchvald, Birgitte Hanel, Kim Gjerum Nielsen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/951a6bb178034433ad0fc5dc784ee6df
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spelling	oai:doaj.org-article:951a6bb178034433ad0fc5dc784ee6df2021-11-18T08:59:09ZAerobic fitness in children and young adults with primary ciliary dyskinesia.1932-620310.1371/journal.pone.0071409https://doaj.org/article/951a6bb178034433ad0fc5dc784ee6df2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23977038/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Although aerobic fitness is regarded as an overall prognostic measure of morbidity and mortality, its evaluation in the chronic progressive sinopulmonary disease primary ciliary dyskinesia (PCD) has been infrequently and inconsistently reported. Here we assessed peak oxygen uptake (VO2peak) in a large well-characterized cohort of PCD patients, and explored whether VO2peak was associated with parameters of pulmonary function, self-reported physical limitations, and physical activity level.<h4>Methods</h4>VO2peak, spirometry, diffusing capacity, whole-body plethysmography, and nitrogen multiple breath inert gas washout (N2 MBW) were assessed in a cross-sectional, single-occasion study of clinically stable children and young adults with PCD. We used a questionnaire including self-reported physical limitations in everyday life or in vigorous activities, and estimation of weekly hours of strenuous physical activity. VO2peak in PCD patients was compared with that in matched, healthy control subjects and a national reference.<h4>Results</h4>Forty-four PCD patients aged 6-29 years exhibited reduced VO2peak compared to healthy controls (P<0.001) and the national reference. VO2peak was abnormal (z-score <-1.96) in 34% of PCD patients. Spirometric values, RV/TLC, and indices of N2 MBW were significantly abnormal, but VO2peak only correlated with FEV1 and DLCO/VA. VO2peak correlated with complaints of moderate or significant limitations in vigorous activities (P = 0.0001), exhibited by 39% of PCD patients.<h4>Conclusion</h4>One-third of PCD patients exhibited substantially lower aerobic fitness than healthy subjects. Aerobic fitness correlated with FEV1, DLCO/VA and self-reported complaints of limitations in vigorous physical activity. These findings are most likely explained by PCD pulmonary disease and its impact on pulmonary function and physical ability. Considering fitness as an important outcome and including regular strenuous physical activity in PCD treatment would probably altogether increase pulmonary clearance, lung function, aerobic fitness, and quality of life, and prevent lifestyle-related diseases.Astrid MadsenKent GreenFrederik BuchvaldBirgitte HanelKim Gjerum NielsenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 8, p e71409 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Astrid Madsen Kent Green Frederik Buchvald Birgitte Hanel Kim Gjerum Nielsen Aerobic fitness in children and young adults with primary ciliary dyskinesia.
description	<h4>Background</h4>Although aerobic fitness is regarded as an overall prognostic measure of morbidity and mortality, its evaluation in the chronic progressive sinopulmonary disease primary ciliary dyskinesia (PCD) has been infrequently and inconsistently reported. Here we assessed peak oxygen uptake (VO2peak) in a large well-characterized cohort of PCD patients, and explored whether VO2peak was associated with parameters of pulmonary function, self-reported physical limitations, and physical activity level.<h4>Methods</h4>VO2peak, spirometry, diffusing capacity, whole-body plethysmography, and nitrogen multiple breath inert gas washout (N2 MBW) were assessed in a cross-sectional, single-occasion study of clinically stable children and young adults with PCD. We used a questionnaire including self-reported physical limitations in everyday life or in vigorous activities, and estimation of weekly hours of strenuous physical activity. VO2peak in PCD patients was compared with that in matched, healthy control subjects and a national reference.<h4>Results</h4>Forty-four PCD patients aged 6-29 years exhibited reduced VO2peak compared to healthy controls (P<0.001) and the national reference. VO2peak was abnormal (z-score <-1.96) in 34% of PCD patients. Spirometric values, RV/TLC, and indices of N2 MBW were significantly abnormal, but VO2peak only correlated with FEV1 and DLCO/VA. VO2peak correlated with complaints of moderate or significant limitations in vigorous activities (P = 0.0001), exhibited by 39% of PCD patients.<h4>Conclusion</h4>One-third of PCD patients exhibited substantially lower aerobic fitness than healthy subjects. Aerobic fitness correlated with FEV1, DLCO/VA and self-reported complaints of limitations in vigorous physical activity. These findings are most likely explained by PCD pulmonary disease and its impact on pulmonary function and physical ability. Considering fitness as an important outcome and including regular strenuous physical activity in PCD treatment would probably altogether increase pulmonary clearance, lung function, aerobic fitness, and quality of life, and prevent lifestyle-related diseases.
format	article
author	Astrid Madsen Kent Green Frederik Buchvald Birgitte Hanel Kim Gjerum Nielsen
author_facet	Astrid Madsen Kent Green Frederik Buchvald Birgitte Hanel Kim Gjerum Nielsen
author_sort	Astrid Madsen
title	Aerobic fitness in children and young adults with primary ciliary dyskinesia.
title_short	Aerobic fitness in children and young adults with primary ciliary dyskinesia.
title_full	Aerobic fitness in children and young adults with primary ciliary dyskinesia.
title_fullStr	Aerobic fitness in children and young adults with primary ciliary dyskinesia.
title_full_unstemmed	Aerobic fitness in children and young adults with primary ciliary dyskinesia.
title_sort	aerobic fitness in children and young adults with primary ciliary dyskinesia.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/951a6bb178034433ad0fc5dc784ee6df
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Aerobic fitness in children and young adults with primary ciliary dyskinesia.

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