{"id":"https://openalex.org/W1993592748","doi":"https://doi.org/10.1164/rccm.200812-1873oc","title":"Daily Physical Activity in Patients with Chronic Obstructive Pulmonary Disease Is Mainly Associated with Dynamic Hyperinflation","display_name":"Daily Physical Activity in Patients with Chronic Obstructive Pulmonary Disease Is Mainly Associated with Dynamic Hyperinflation","publication_year":2009,"publication_date":"2009-06-19","ids":{"openalex":"https://openalex.org/W1993592748","doi":"https://doi.org/10.1164/rccm.200812-1873oc","mag":"1993592748","pmid":"https://pubmed.ncbi.nlm.nih.gov/19542481"},"language":"en","primary_location":{"id":"doi:10.1164/rccm.200812-1873oc","doi":"https://doi.org/10.1164/rccm.200812-1873oc","is_oa":false,"landing_page_url":"https://doi.org/10.1164/rccm.200812-1873oc","pdf_url":null,"source":{"id":"https://openalex.org/S93356601","display_name":"American Journal of Respiratory and Critical Care Medicine","issn_l":"1073-449X","issn":["1073-449X","1535-4970"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316311","host_organization_name":"American Thoracic Society","host_organization_lineage":["https://openalex.org/P4310316311"],"host_organization_lineage_names":["American Thoracic Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Respiratory and Critical Care Medicine","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078491071","display_name":"Francisco Garcia Rio","orcid":"https://orcid.org/0000-0002-7227-2238","observed_orcids":["https://orcid.org/0000-0002-7227-2238"]},"institutions":[{"id":"https://openalex.org/I2800562746","display_name":"Hospital Universitario La Paz","ror":"https://ror.org/01s1q0w69","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I2800562746"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Francisco Garcia-Rio","raw_affiliation_strings":["Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid","Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid, Spain. fgr01m@gmail.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid","institution_ids":["https://openalex.org/I2800562746"]},{"raw_affiliation_string":"Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid, Spain. fgr01m@gmail.com","institution_ids":["https://openalex.org/I2800562746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110815274","display_name":"Vanesa Lores","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2800562746","display_name":"Hospital Universitario La Paz","ror":"https://ror.org/01s1q0w69","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I2800562746"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Vanesa Lores","raw_affiliation_strings":["Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid","institution_ids":["https://openalex.org/I2800562746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022548940","display_name":"Olga Mediano","orcid":"https://orcid.org/0000-0001-7824-1523","observed_orcids":["https://orcid.org/0000-0001-7824-1523"]},"institutions":[{"id":"https://openalex.org/I4210160736","display_name":"Hospital Universitario Infanta Sof\u00eda","ror":"https://ror.org/05dfzd836","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210139293","https://openalex.org/I4210160736"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Olga Mediano","raw_affiliation_strings":["Secci\u00f3n de Neumolog\u00eda, Hospital Infanta Sof\u00eda, Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Secci\u00f3n de Neumolog\u00eda, Hospital Infanta Sof\u00eda, Madrid","institution_ids":["https://openalex.org/I4210160736"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108502063","display_name":"Blas Rojo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210160736","display_name":"Hospital Universitario Infanta Sof\u00eda","ror":"https://ror.org/05dfzd836","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210139293","https://openalex.org/I4210160736"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Blas Rojo","raw_affiliation_strings":["Secci\u00f3n de Neumolog\u00eda, Hospital Infanta Sof\u00eda, Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Secci\u00f3n de Neumolog\u00eda, Hospital Infanta Sof\u00eda, Madrid","institution_ids":["https://openalex.org/I4210160736"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109129800","display_name":"\u00c1ngel Hern\u00e1nz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2800562746","display_name":"Hospital Universitario La Paz","ror":"https://ror.org/01s1q0w69","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I2800562746"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Angel Hernanz","raw_affiliation_strings":["Servicio de Bioqu\u00edmica, Hospital Universitario La Paz, Madrid; and"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Servicio de Bioqu\u00edmica, Hospital Universitario La Paz, Madrid; and","institution_ids":["https://openalex.org/I2800562746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040483533","display_name":"Eduardo L\u00f3pez\u2010Collazo","orcid":"https://orcid.org/0000-0003-1957-877X","observed_orcids":["https://orcid.org/0000-0003-1957-877X"]},"institutions":[{"id":"https://openalex.org/I2800562746","display_name":"Hospital Universitario La Paz","ror":"https://ror.org/01s1q0w69","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I2800562746"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Eduardo Lo\u0301pez-Collazo","raw_affiliation_strings":["Investigation Unit, Hospital Universitario La Paz, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Investigation Unit, Hospital Universitario La Paz, Madrid, Spain","institution_ids":["https://openalex.org/I2800562746"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013572784","display_name":"Rodolfo \u00c1lvarez-Sala","orcid":"https://orcid.org/0000-0002-3442-670X","observed_orcids":["https://orcid.org/0000-0002-3442-670X"]},"institutions":[{"id":"https://openalex.org/I2800562746","display_name":"Hospital Universitario La Paz","ror":"https://ror.org/01s1q0w69","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I2800562746"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Rodolfo Alvarez-Sala","raw_affiliation_strings":["Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Servicio de Neumolog\u00eda, Hospital Universitario La Paz, Madrid","institution_ids":["https://openalex.org/I2800562746"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":15.5872,"has_fulltext":false,"cited_by_count":277,"citation_normalized_percentile":{"value":0.99262801,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"180","issue":"6","first_page":"506","last_page":"512"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11209","display_name":"Cardiovascular and exercise physiology","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10352","display_name":"Physical Activity and Health","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chronic-obstructive-pulmonary-disease","display_name":"chronic obstructive pulmonary disease","score":0.9959999918937683},{"id":"https://openalex.org/keywords/daily-physical-activity","display_name":"daily physical activity","score":0.800000011920929},{"id":"https://openalex.org/keywords/dynamic-hyperinflation","display_name":"dynamic hyperinflation","score":0.9959999918937683},{"id":"https://openalex.org/keywords/exercise-tolerance","display_name":"exercise tolerance","score":0.8109999895095825},{"id":"https://openalex.org/keywords/8-isoprostane","display_name":"8-isoprostane","score":0.9089999794960022},{"id":"https://openalex.org/keywords/exhaled-breath-condensate","display_name":"exhaled breath condensate","score":0.9900000095367432},{"id":"https://openalex.org/keywords/end-expiratory-lung-volume","display_name":"end-expiratory lung volume","score":0.9309999942779541},{"id":"https://openalex.org/keywords/6-minute-walk-test","display_name":"6-minute walk test","score":0.8840000033378601},{"id":"https://openalex.org/keywords/accelerometer-measured-physical-activity","display_name":"accelerometer-measured activity","score":0.5759999752044678},{"id":"https://openalex.org/keywords/gold-stage","display_name":"GOLD stage","score":0.5270000100135803},{"id":"https://openalex.org/keywords/bode-index","display_name":"BODE index","score":0.9909999966621399}],"concepts":[{"id":"https://openalex.org/C2779975672","wikidata":"https://www.wikidata.org/wiki/Q5318982","display_name":"Dynamic hyperinflation","level":4,"score":0.8883284330368042},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8813995718955994},{"id":"https://openalex.org/C2776780178","wikidata":"https://www.wikidata.org/wiki/Q199804","display_name":"COPD","level":2,"score":0.7896182537078857},{"id":"https://openalex.org/C2776924770","wikidata":"https://www.wikidata.org/wiki/Q23808249","display_name":"Work of breathing","level":3,"score":0.5825759172439575},{"id":"https://openalex.org/C2777168814","wikidata":"https://www.wikidata.org/wiki/Q16246543","display_name":"BODE index","level":4,"score":0.5688267946243286},{"id":"https://openalex.org/C27101514","wikidata":"https://www.wikidata.org/wiki/Q206120","display_name":"Lung volumes","level":3,"score":0.5661288499832153},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.523573100566864},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5077865719795227},{"id":"https://openalex.org/C79959777","wikidata":"https://www.wikidata.org/wiki/Q754333","display_name":"Respiratory minute volume","level":3,"score":0.49804019927978516},{"id":"https://openalex.org/C91102366","wikidata":"https://www.wikidata.org/wiki/Q185565","display_name":"Hyperinflation","level":3,"score":0.4444279670715332},{"id":"https://openalex.org/C2777714996","wikidata":"https://www.wikidata.org/wiki/Q7886","display_name":"Lung","level":2,"score":0.3890262246131897},{"id":"https://openalex.org/C534529494","wikidata":"https://www.wikidata.org/wiki/Q7891","display_name":"Respiratory system","level":2,"score":0.3035920560359955},{"id":"https://openalex.org/C2780779891","wikidata":"https://www.wikidata.org/wiki/Q3455927","display_name":"Pulmonary rehabilitation","level":3,"score":0.1692052185535431},{"id":"https://openalex.org/C556758197","wikidata":"https://www.wikidata.org/wiki/Q580018","display_name":"Monetary economics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C126285488","wikidata":"https://www.wikidata.org/wiki/Q178476","display_name":"Monetary policy","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000203","descriptor_name":"Activities of Daily Living","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003430","descriptor_name":"Cross-Sectional Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009043","descriptor_name":"Motor Activity","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D012123","descriptor_name":"Pulmonary Ventilation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012129","descriptor_name":"Respiratory Function Tests","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012720","descriptor_name":"Severity of Illness Index","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015656","descriptor_name":"Respiratory Mechanics","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D016014","descriptor_name":"Linear Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016138","descriptor_name":"Walking","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D017079","descriptor_name":"Exercise Tolerance","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D029424","descriptor_name":"Pulmonary Disease, Chronic Obstructive","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1164/rccm.200812-1873oc","doi":"https://doi.org/10.1164/rccm.200812-1873oc","is_oa":false,"landing_page_url":"https://doi.org/10.1164/rccm.200812-1873oc","pdf_url":null,"source":{"id":"https://openalex.org/S93356601","display_name":"American Journal of Respiratory and Critical Care Medicine","issn_l":"1073-449X","issn":["1073-449X","1535-4970"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316311","host_organization_name":"American Thoracic Society","host_organization_lineage":["https://openalex.org/P4310316311"],"host_organization_lineage_names":["American Thoracic Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Respiratory and Critical Care Medicine","raw_type":"journal-article"},{"id":"pmid:19542481","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19542481","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American journal of respiratory and critical care medicine","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[{"id":"https://openalex.org/F1289700569","display_name":"Sociedad Madrile\u00f1a de Neumolog\u00eda y Cirug\u00eda Tor\u00e1cica","ror":"https://ror.org/0379ar820"},{"id":"https://openalex.org/F4320324494","display_name":"Sociedad Espa\u00f1ola de Neumolog\u00eda y Cirug\u00eda Tor\u00e1cica","ror":"https://ror.org/028h6g607"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1828799236","https://openalex.org/W1892623219","https://openalex.org/W1983378915","https://openalex.org/W1984700685","https://openalex.org/W1990514048","https://openalex.org/W1997238737","https://openalex.org/W2001019019","https://openalex.org/W2024501987","https://openalex.org/W2047830282","https://openalex.org/W2048190506","https://openalex.org/W2059569751","https://openalex.org/W2065315307","https://openalex.org/W2068573409","https://openalex.org/W2072228223","https://openalex.org/W2087747428","https://openalex.org/W2088202622","https://openalex.org/W2093763097","https://openalex.org/W2095742593","https://openalex.org/W2096823672","https://openalex.org/W2097125229","https://openalex.org/W2104912451","https://openalex.org/W2105871356","https://openalex.org/W2116950781","https://openalex.org/W2118994658","https://openalex.org/W2125078269","https://openalex.org/W2125532863","https://openalex.org/W2128487428","https://openalex.org/W2130208969","https://openalex.org/W2139347600","https://openalex.org/W2140986253","https://openalex.org/W2141794695","https://openalex.org/W2141922649","https://openalex.org/W2142250980","https://openalex.org/W2142701003","https://openalex.org/W2146965595","https://openalex.org/W2147000527","https://openalex.org/W2153422132","https://openalex.org/W2162918753","https://openalex.org/W2166432084","https://openalex.org/W2197553214","https://openalex.org/W2994597783","https://openalex.org/W4210975502","https://openalex.org/W4211263216","https://openalex.org/W4245666729"],"related_works":["https://openalex.org/W1964471533","https://openalex.org/W2163919986","https://openalex.org/W2150713758","https://openalex.org/W2605768662","https://openalex.org/W2804198630","https://openalex.org/W2117250400","https://openalex.org/W1843347731","https://openalex.org/W1856584135","https://openalex.org/W1925749612","https://openalex.org/W2004281986"],"abstract_inverted_index":{"RATIONALE:":[0],"Although":[1],"the":[2,28,84,115,142,151,255],"major":[3],"limitation":[4],"to":[5,21,39,57,175],"exercise":[6,33,89,200],"performance":[7],"in":[8,42,132,141,150,178,195,217,242,249,254],"patients":[9,43,54,144,269],"with":[10,44,55,91,270,275],"COPD":[11,271],"is":[12,16,272],"dynamic":[13,31,147,239,276],"hyperinflation,":[14,32,240,277],"little":[15],"known":[17],"about":[18],"its":[19],"relation":[20],"daily":[22],"physical":[23,40,62,137,266],"activity.":[24],"OBJECTIVES:":[25],"To":[26],"analyze":[27],"contribution":[29],"of":[30,73,93,106,268,279],"tolerance,":[34],"and":[35,96,100,118,130,215,246],"airway":[36],"oxidative":[37],"stress":[38],"activity":[41,63,138,171,267],"COPD.":[45,60],"METHODS:":[46],"In":[47,227],"a":[48,67,71,228,236],"cross-sectional":[49],"study,":[50],"we":[51,121],"included":[52],"110":[53],"moderate":[56],"very":[58],"severe":[59],"Daily":[61,136,265],"was":[64,139,172],"measured":[65],"using":[66,233],"triaxial":[68],"accelerometer":[69],"providing":[70],"mean":[72],"1-minute":[74],"movement":[75],"epochs":[76],"as":[77,235],"vector":[78],"magnitude":[79],"units":[80],"(VMU).":[81],"Patients":[82],"performed":[83],"6-minute":[85],"walk":[86],"test,":[87],"incremental":[88],"test":[90,103],"measurement":[92],"breathing":[94],"pattern":[95],"operating":[97],"lung":[98,126,197,244],"volumes,":[99,127],"constant-work":[101],"rate":[102],"at":[104],"75%":[105],"maximal":[107],"work":[108],"rate.":[109],"MEASUREMENTS":[110],"AND":[111],"MAIN":[112],"RESULTS:":[113],"Using":[114],"GOLD":[116],"stage":[117],"BODE":[119],"index,":[120],"determined":[122],"arterial":[123],"blood":[124],"gases,":[125],"diffusing":[128],"capacity,":[129],"biomarkers":[131],"exhaled":[133,218],"breath":[134,219],"condensate.":[135],"lower":[140],"89":[143],"who":[145,153],"developed":[146],"hyperinflation":[148],"than":[149],"21":[152],"did":[154],"not":[155],"(n":[156],"=161":[157],"[SD":[158,164],"70]":[159],"vs.":[160],"n":[161],"=":[162,168,182,185,189,192,202,205,210,213,222,225,259,262],"288":[163],"85]":[165],"VMU;":[166],"P":[167,184,191,204,212,224,261],"0.001).":[169,226,263],"Physical":[170],"mainly":[173,273],"related":[174],"distance":[176,247],"walked":[177,248],"6":[179,250],"minutes":[180,251],"(r":[181,188,201,209,221],"0.72;":[183],"0.001),":[186,193,206,214],"Vo(2)":[187],"0.63;":[190],"change":[194,241],"end-expiratory":[196,243],"volume":[198],"during":[199],"-0.73;":[203],"endurance":[207],"time":[208],"0.61;":[211],"8-isoprostane":[216],"condensate":[220],"-0.67;":[223],"multivariate":[229],"linear":[230],"regression":[231],"analysis":[232],"VMU":[234],"dependent":[237],"variable,":[238],"volume,":[245],"were":[252],"retained":[253],"prediction":[256],"model":[257],"(r(2)":[258],"0.84;":[260],"CONCLUSIONS:":[264],"associated":[274],"regardless":[278],"severity":[280],"classification.":[281]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":15},{"year":2018,"cited_by_count":19},{"year":2017,"cited_by_count":21},{"year":2016,"cited_by_count":18},{"year":2015,"cited_by_count":20},{"year":2014,"cited_by_count":24},{"year":2013,"cited_by_count":31},{"year":2012,"cited_by_count":25}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}