{"id":"https://openalex.org/W2743574341","doi":"https://doi.org/10.1159/000244022","title":"Diaphragmatic Activity and Ventilation in Preterm Infants","display_name":"Diaphragmatic Activity and Ventilation in Preterm Infants","publication_year":2009,"publication_date":"2009-09-30","ids":{"openalex":"https://openalex.org/W2743574341","doi":"https://doi.org/10.1159/000244022","mag":"2743574341","pmid":"https://pubmed.ncbi.nlm.nih.gov/8117841"},"language":"en","primary_location":{"id":"doi:10.1159/000244022","doi":"https://doi.org/10.1159/000244022","is_oa":false,"landing_page_url":"https://doi.org/10.1159/000244022","pdf_url":null,"source":{"id":"https://openalex.org/S4210177455","display_name":"Biology of the Neonate","issn_l":"0006-3126","issn":["0006-3126","1421-9727"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310317820","host_organization_name":"Karger Publishers","host_organization_lineage":["https://openalex.org/P4310317820"],"host_organization_lineage_names":["Karger Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biology of the Neonate","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/A5111681733","display_name":"Francisco J.C. Reis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I46247651","display_name":"University of Manitoba","ror":"https://ror.org/02gfys938","country_code":"CA","type":"education","lineage":["https://openalex.org/I46247651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Francisco J.C. Reis","raw_affiliation_strings":["Department of Pediatrics, University of Manitoba, Winnipeg, Canada","Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Manitoba, Winnipeg, Canada","institution_ids":["https://openalex.org/I46247651"]},{"raw_affiliation_string":"Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada","institution_ids":["https://openalex.org/I46247651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103478610","display_name":"Don Cates","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I46247651","display_name":"University of Manitoba","ror":"https://ror.org/02gfys938","country_code":"CA","type":"education","lineage":["https://openalex.org/I46247651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Donald B. Cates","raw_affiliation_strings":["Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada","institution_ids":["https://openalex.org/I46247651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027046347","display_name":"Leanne V. Landriault","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I46247651","display_name":"University of Manitoba","ror":"https://ror.org/02gfys938","country_code":"CA","type":"education","lineage":["https://openalex.org/I46247651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Leanne V. Landriault","raw_affiliation_strings":["Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Pediatrics, Physiology, and Reproductive Medicine, University of Manitoba, Winnipeg, Man., Canada","institution_ids":["https://openalex.org/I46247651"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068285664","display_name":"Henrique Rigatto","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Henrique Rigatto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4143,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.61170873,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":96},"biblio":{"volume":"65","issue":"1","first_page":"16","last_page":"24"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11456","display_name":"Neuroscience of respiration and sleep","score":0.9272000193595886,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11456","display_name":"Neuroscience of respiration and sleep","score":0.9272000193595886,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10549","display_name":"Neonatal Respiratory Health Research","score":0.0649000033736229,"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/T10322","display_name":"Respiratory Support and Mechanisms","score":0.003700000001117587,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/diaphragmatic-activity","display_name":"diaphragmatic activity","score":0.8820000290870667},{"id":"https://openalex.org/keywords/preterm-infants","display_name":"preterm infants","score":0.9340000152587891},{"id":"https://openalex.org/keywords/sleep","display_name":"sleep","score":0.734000027179718},{"id":"https://openalex.org/keywords/rem-sleep","display_name":"REM sleep","score":0.9900000095367432},{"id":"https://openalex.org/keywords/quiet-sleep","display_name":"quiet sleep","score":0.9200000166893005},{"id":"https://openalex.org/keywords/diaphragmatic-electromyography","display_name":"diaphragm electromyography","score":0.8600000143051147},{"id":"https://openalex.org/keywords/minute-ventilation","display_name":"minute ventilation","score":0.7480000257492065},{"id":"https://openalex.org/keywords/alveolar-ventilation","display_name":"alveolar ventilation","score":0.972000002861023},{"id":"https://openalex.org/keywords/respiratory-rate","display_name":"respiratory rate","score":0.5580000281333923},{"id":"https://openalex.org/keywords/inspiratory-time","display_name":"inspiratory time","score":0.8799999952316284},{"id":"https://openalex.org/keywords/chest-wall-muscles","display_name":"chest wall muscles","score":0.6819999814033508}],"concepts":[{"id":"https://openalex.org/C127573956","wikidata":"https://www.wikidata.org/wiki/Q7821376","display_name":"Tonic (physiology)","level":2,"score":0.8547074794769287},{"id":"https://openalex.org/C20463939","wikidata":"https://www.wikidata.org/wiki/Q811123","display_name":"Diaphragmatic breathing","level":3,"score":0.6203501224517822},{"id":"https://openalex.org/C2776164194","wikidata":"https://www.wikidata.org/wiki/Q2501440","display_name":"Expiration","level":3,"score":0.6062337160110474},{"id":"https://openalex.org/C200457457","wikidata":"https://www.wikidata.org/wiki/Q584049","display_name":"Ventilation (architecture)","level":2,"score":0.5614352822303772},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5559803247451782},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.5391583442687988},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.47410327196121216},{"id":"https://openalex.org/C2777257755","wikidata":"https://www.wikidata.org/wiki/Q3493813","display_name":"Tidal volume","level":3,"score":0.44588059186935425},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.42705926299095154},{"id":"https://openalex.org/C534529494","wikidata":"https://www.wikidata.org/wiki/Q7891","display_name":"Respiratory system","level":2,"score":0.4192828834056854},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.09962618350982666},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0894061028957367},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D003964","descriptor_name":"Diaphragm","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004576","descriptor_name":"Electromyography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004585","descriptor_name":"Electrooculography","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":"D005865","descriptor_name":"Gestational Age","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":"D007231","descriptor_name":"Infant, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007234","descriptor_name":"Infant, Premature","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011650","descriptor_name":"Pulmonary Alveoli","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012119","descriptor_name":"Respiration","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D012895","descriptor_name":"Sleep, REM","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1159/000244022","doi":"https://doi.org/10.1159/000244022","is_oa":false,"landing_page_url":"https://doi.org/10.1159/000244022","pdf_url":null,"source":{"id":"https://openalex.org/S4210177455","display_name":"Biology of the Neonate","issn_l":"0006-3126","issn":["0006-3126","1421-9727"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310317820","host_organization_name":"Karger Publishers","host_organization_lineage":["https://openalex.org/P4310317820"],"host_organization_lineage_names":["Karger Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biology of the Neonate","raw_type":"journal-article"},{"id":"pmid:8117841","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/8117841","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":"Biology of the neonate","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9537000060081482,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2409155205","https://openalex.org/W2161396088","https://openalex.org/W3028686483","https://openalex.org/W2158463656","https://openalex.org/W2617043988","https://openalex.org/W2063238668","https://openalex.org/W2894267807","https://openalex.org/W2254505504","https://openalex.org/W2005807883","https://openalex.org/W2200158380"],"abstract_inverted_index":{"To":[0],"determine":[1],"the":[2,65,73,83,89,98,120,147,155,174,237,250,254,259],"effects":[3],"of":[4,75,85,91,173,213,249,253],"sleep":[5,145,231],"on":[6],"diaphragmatic":[7,40],"activity":[8,55,70,87,102,112,125,134,161,172,220,244,248],"and":[9,28,38,50,72,88,132,178,232],"ventilation":[10,177,180],"we":[11],"studied":[12],"10":[13],"preterm":[14],"infants":[15],"(birth":[16],"weight":[17],"1,840":[18],"+/-":[19,25,32],"50":[20],"g,":[21],"gestational":[22],"age":[23,30],"33":[24],"0.6":[26],"weeks,":[27],"postnatal":[29],"9.4":[31],"1.4":[33],"days).":[34],"We":[35],"measured":[36,45],"surface":[37,148,223],"esophageal":[39,156,238],"electromyograms":[41],"(EMGdi).":[42],"Ventilation":[43],"was":[44,56,80,94,162,189,208,233],"using":[46],"a":[47,51,95,198],"nasal":[48],"flowmeter":[49],"flow-through":[52],"system.":[53],"Diaphragmatic":[54],"analyzed":[57],"for":[58],"total":[59,68,100,123],"phasic":[60,63,69,101,111,124],"activity,":[61,64],"expiratory":[62,66,110,121],"to":[67,122,136,143,184,192,211,229],"ratio,":[71],"presence":[74,84],"'tonic'":[76],"activity.":[77],"The":[78,204,216],"latter":[79],"defined":[81],"by":[82],"electrical":[86,171,247],"end":[90],"expiration.":[92],"There":[93],"decrease":[96],"in":[97,146,154,170,195,201,206,236],"average":[99],"(1.25":[103],"vs.":[104,114],"0.71":[105],"s,":[106,116,128],"p":[107,117,129,138],"=":[108,118,130,139],"0.001),":[109],"(0.67":[113],"0.21":[115],"0.002),":[119],"ratio":[126],"(0.51:0.27":[127],"0.001)":[131],"tonic":[133,160,219,243],"(51":[135],"5%,":[137],"0.01)":[140],"from":[141,182,227],"quiet":[142,183,228],"REM":[144,185,230],"EMGdi.":[149],"Similar":[150],"changes":[151,169],"were":[152],"found":[153],"EMGdi,":[157],"except":[158],"that":[159,218,241],"rarely":[163],"observed.":[164],"In":[165],"parallel":[166],"with":[167,197],"these":[168],"diaphragm,":[175],"minute":[176],"alveolar":[179],"increased":[181],"sleep.":[186],"This":[187],"increase":[188,194,205],"primarily":[190,209],"related":[191],"an":[193],"frequency":[196,207],"negligible":[199],"change":[200],"tidal":[202],"volume.":[203],"due":[210],"shortening":[212],"inspiratory":[214],"time.":[215],"findings":[217],"recorded":[221],"via":[222],"electrodes":[224],"decreased":[225],"substantially":[226],"not":[234],"observed":[235],"EMGdi":[239],"suggests":[240],"this":[242],"may":[245],"represent":[246],"postural":[251],"muscles":[252],"chest":[255],"wall":[256],"rather":[257],"than":[258],"diaphragm.":[260]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2017-08-17T00:00:00"}