{"id":"https://openalex.org/W2015289440","doi":"https://doi.org/10.1253/circj.71.1506","title":"Follow-up With Objective and Subjective Tests of the Sleep Characteristics of Patients After Cardiac Surgery","display_name":"Follow-up With Objective and Subjective Tests of the Sleep Characteristics of Patients After Cardiac Surgery","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2015289440","doi":"https://doi.org/10.1253/circj.71.1506","mag":"2015289440","pmid":"https://pubmed.ncbi.nlm.nih.gov/17895541"},"language":"en","primary_location":{"id":"doi:10.1253/circj.71.1506","doi":"https://doi.org/10.1253/circj.71.1506","is_oa":true,"landing_page_url":"https://doi.org/10.1253/circj.71.1506","pdf_url":"https://www.jstage.jst.go.jp/article/circj/71/10/71_10_1506/_pdf","source":{"id":"https://openalex.org/S4210176241","display_name":"Circulation Journal","issn_l":"1346-9843","issn":["1346-9843","1347-4820"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circulation Journal","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/circj/71/10/71_10_1506/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108629024","display_name":"Hikmet Y\u0131lmaz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16748637","display_name":"Manisa Celal Bayar University","ror":"https://ror.org/053f2w588","country_code":"TR","type":"education","lineage":["https://openalex.org/I16748637"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Hikmet Yilmaz","raw_affiliation_strings":["Department of Neurology, Celal Bayar University School of Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurology, Celal Bayar University School of Medicine","institution_ids":["https://openalex.org/I16748637"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021904218","display_name":"\u0130hsan I\u015fkesen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16748637","display_name":"Manisa Celal Bayar University","ror":"https://ror.org/053f2w588","country_code":"TR","type":"education","lineage":["https://openalex.org/I16748637"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Ihsan Iskesen","raw_affiliation_strings":["Department of Cardiovascular Surgery, Celal Bayar University School of Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, Celal Bayar University School of Medicine","institution_ids":["https://openalex.org/I16748637"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I16748637"],"apc_list":null,"apc_paid":null,"fwci":1.2826,"has_fulltext":true,"cited_by_count":44,"citation_normalized_percentile":{"value":0.84081171,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"71","issue":"10","first_page":"1506","last_page":"1510"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.73580002784729,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.73580002784729,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.10689999908208847,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10234","display_name":"Obstructive Sleep Apnea Research","score":0.08229999989271164,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/sleep-disturbance","display_name":"sleep disorders","score":0.5989999771118164},{"id":"https://openalex.org/keywords/coronary-artery-bypass-grafting","display_name":"coronary artery bypass grafting","score":0.9390000104904175},{"id":"https://openalex.org/keywords/cardiac-surgery","display_name":"cardiac surgery","score":0.7689999938011169},{"id":"https://openalex.org/keywords/postoperative-sleep","display_name":"postoperative sleep","score":0.7570000290870667},{"id":"https://openalex.org/keywords/sleep-onset-latency","display_name":"sleep latency","score":0.6660000085830688},{"id":"https://openalex.org/keywords/wake-after-sleep-onset","display_name":"wake after sleep onset","score":0.7799999713897705},{"id":"https://openalex.org/keywords/sleep-fragmentation","display_name":"sleep fragmentation","score":0.6940000057220459},{"id":"https://openalex.org/keywords/napping","display_name":"napping","score":0.6579999923706055},{"id":"https://openalex.org/keywords/sleep-efficiency","display_name":"sleep efficiency","score":0.621999979019165},{"id":"https://openalex.org/keywords/pittsburgh-sleep-quality-index","display_name":"Pittsburgh Sleep Quality Index","score":0.7829999923706055},{"id":"https://openalex.org/keywords/epworth-sleepiness-scale","display_name":"Epworth Sleepiness Scale","score":0.9950000047683716},{"id":"https://openalex.org/keywords/maintenance-of-wakefulness-test","display_name":"maintenance of wakefulness test","score":0.8820000290870667}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8358738422393799},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.6216752529144287},{"id":"https://openalex.org/C2779320081","wikidata":"https://www.wikidata.org/wiki/Q246710","display_name":"Wakefulness","level":3,"score":0.6125745177268982},{"id":"https://openalex.org/C2778664715","wikidata":"https://www.wikidata.org/wiki/Q1347756","display_name":"Epworth Sleepiness Scale","level":4,"score":0.5938172340393066},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.5825098156929016},{"id":"https://openalex.org/C3017915907","wikidata":"https://www.wikidata.org/wiki/Q186020","display_name":"Bypass grafting","level":3,"score":0.5301048755645752},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.35678473114967346},{"id":"https://openalex.org/C2776820930","wikidata":"https://www.wikidata.org/wiki/Q9655","display_name":"Artery","level":2,"score":0.32296061515808105},{"id":"https://openalex.org/C2778205975","wikidata":"https://www.wikidata.org/wiki/Q1754874","display_name":"Polysomnography","level":3,"score":0.29294246435165405},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.20082217454910278},{"id":"https://openalex.org/C2781326671","wikidata":"https://www.wikidata.org/wiki/Q754424","display_name":"Apnea","level":2,"score":0.1418367624282837},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","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":"D000758","descriptor_name":"Anesthesia","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D001026","descriptor_name":"Coronary Artery Bypass","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D001933","descriptor_name":"Brain Stem","qualifier_ui":"Q000098","qualifier_name":"blood supply","is_major_topic":false},{"descriptor_ui":"D002560","descriptor_name":"Cerebrovascular Circulation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D002940","descriptor_name":"Circadian Rhythm","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005500","descriptor_name":"Follow-Up Studies","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":"D007031","descriptor_name":"Hypothalamus","qualifier_ui":"Q000098","qualifier_name":"blood supply","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":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012893","descriptor_name":"Sleep Wake Disorders","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D012893","descriptor_name":"Sleep Wake Disorders","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":true},{"descriptor_ui":"D012893","descriptor_name":"Sleep Wake Disorders","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D016022","descriptor_name":"Case-Control Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1253/circj.71.1506","doi":"https://doi.org/10.1253/circj.71.1506","is_oa":true,"landing_page_url":"https://doi.org/10.1253/circj.71.1506","pdf_url":"https://www.jstage.jst.go.jp/article/circj/71/10/71_10_1506/_pdf","source":{"id":"https://openalex.org/S4210176241","display_name":"Circulation Journal","issn_l":"1346-9843","issn":["1346-9843","1347-4820"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circulation Journal","raw_type":"journal-article"},{"id":"pmid:17895541","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/17895541","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":"Circulation journal : official journal of the Japanese Circulation Society","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1253/circj.71.1506","doi":"https://doi.org/10.1253/circj.71.1506","is_oa":true,"landing_page_url":"https://doi.org/10.1253/circj.71.1506","pdf_url":"https://www.jstage.jst.go.jp/article/circj/71/10/71_10_1506/_pdf","source":{"id":"https://openalex.org/S4210176241","display_name":"Circulation Journal","issn_l":"1346-9843","issn":["1346-9843","1347-4820"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circulation Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9940000176429749,"id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[{"display_name":"Good health and well-being","score":0.800000011920929,"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":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2015289440.pdf","grobid_xml":"https://content.openalex.org/works/W2015289440.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W10880888","https://openalex.org/W97783257","https://openalex.org/W114401071","https://openalex.org/W156595367","https://openalex.org/W1959347553","https://openalex.org/W1964490458","https://openalex.org/W1965521529","https://openalex.org/W1967221440","https://openalex.org/W1968804174","https://openalex.org/W1981154665","https://openalex.org/W1989169408","https://openalex.org/W2012951252","https://openalex.org/W2029739740","https://openalex.org/W2033988957","https://openalex.org/W2040890272","https://openalex.org/W2085363603","https://openalex.org/W2095094877","https://openalex.org/W2112398069","https://openalex.org/W2117453471","https://openalex.org/W2317804401","https://openalex.org/W2395191775","https://openalex.org/W2409740381","https://openalex.org/W2412950172","https://openalex.org/W2437510072","https://openalex.org/W2994530056","https://openalex.org/W4232482836","https://openalex.org/W4404655825"],"related_works":["https://openalex.org/W1965521529","https://openalex.org/W2029739740","https://openalex.org/W2994530056","https://openalex.org/W4399976070","https://openalex.org/W2068248998","https://openalex.org/W2033988957","https://openalex.org/W2415414774","https://openalex.org/W1968804174","https://openalex.org/W357514510","https://openalex.org/W2234063583"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1,90,179],"purpose":[2],"of":[3,106,120,139,160,181,190,195,207],"this":[4],"study":[5],"was":[6],"to":[7,220],"investigate":[8],"the":[9,31,74,84,134,142,145,156,161,165,171,175,193,196,208,217],"changes":[10],"in":[11,14,30,73,83,133,144,164,174,192,210],"sleep":[12,52,60,98,109,125,128,162,203,222,226],"characteristics":[13],"patients":[15,42],"who":[16,43],"underwent":[17,44],"coronary":[18],"artery":[19],"bypass":[20],"grafting":[21],"(CABG)":[22],"surgery,":[23],"using":[24],"both":[25],"subjective":[26,57],"and":[27,34,46,58,78,86,93,111,127,149,199,204,224],"objective":[28,59],"tests":[29],"early":[32],"(preoperative)":[33],"late":[35],"(postoperative)":[36],"periods.":[37],"METHODS":[38],"AND":[39],"RESULTS:":[40],"Forty-five":[41],"CABG":[45,184],"did":[47],"not":[48,152],"previously":[49],"have":[50],"any":[51],"disturbance":[53],"were":[54,115,130,141,151],"evaluated":[55],"by":[56],"parameters":[61,163],"during":[62,68,79],"a":[63,69,213],"consecutive":[64,70,80],"3-5-day":[65],"preoperative":[66,157,176],"examination,":[67],"5-8-day":[71,81],"period":[72],"1st":[75,85,135,146],"postoperative":[76,88,136,147,167],"week,":[77],"periods":[82],"2nd":[87,166],"months.":[89],"Pittsburgh":[91],"Index":[92],"Epworth":[94],"Sleepiness":[95],"Scale":[96],"values,":[97],"latency,":[99],"napping":[100,103],"episodes,":[101],"total":[102,124],"period,":[104],"duration":[105],"wakefulness":[107],"after":[108,183,216],"onset":[110],"fragmentation":[112],"index":[113],"values":[114,172],"significantly":[116,131],"increased;":[117],"however,":[118],"Maintenance":[119],"Wakefulness":[121],"Test":[122],"lengths,":[123],"time":[126],"efficiency":[129],"decreased":[132],"week.":[137],"All":[138],"these":[140,211],"same":[143],"month":[148,168],"differences":[150],"statistically":[153],"different":[154],"from":[155,170],"period.":[158,177],"None":[159],"differed":[169],"obtained":[173],"CONCLUSION:":[178],"cause":[180],"sleeplessness":[182],"surgery":[185],"may":[186],"be":[187],"temporary":[188],"deterioration":[189],"circulation":[191,209],"centers":[194,212],"brain":[197],"stem":[198],"hypothalamus":[200],"that":[201],"control":[202],"awakening.":[205],"Improvement":[206],"few":[214],"months":[215],"operation":[218],"helps":[219],"regain":[221],"control,":[223],"thus":[225],"disturbances":[227],"disappear.":[228]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":6},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}