{"id":"https://openalex.org/W3209693028","doi":"https://doi.org/10.36660/abc.20210139","title":"Papel dos N\u00edveis de S\u00f3dio na Fibrila\u00e7\u00e3o Atrial na Insufici\u00eancia Card\u00edaca: Jogador Ativo ou Bystander?","display_name":"Papel dos N\u00edveis de S\u00f3dio na Fibrila\u00e7\u00e3o Atrial na Insufici\u00eancia Card\u00edaca: Jogador Ativo ou Bystander?","publication_year":2021,"publication_date":"2021-11-17","ids":{"openalex":"https://openalex.org/W3209693028","doi":"https://doi.org/10.36660/abc.20210139","mag":"3209693028","pmid":"https://pubmed.ncbi.nlm.nih.gov/35137792","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/9007004"},"language":"pt","primary_location":{"id":"doi:10.36660/abc.20210139","doi":"https://doi.org/10.36660/abc.20210139","is_oa":true,"landing_page_url":"https://doi.org/10.36660/abc.20210139","pdf_url":"https://abccardiol.org/wp-content/uploads/articles_xml/0066-782X-abc-118-04-0712/0066-782X-abc-118-04-0712.pdf","source":{"id":"https://openalex.org/S67004851","display_name":"Arquivos Brasileiros de Cardiologia","issn_l":"0066-782X","issn":["0066-782X","1678-4170"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-40","russia-white-list-2","scielo"],"host_organization":"https://openalex.org/P4310312504","host_organization_name":"Sociedade Brasileira de Cardiologia (SBC)","host_organization_lineage":["https://openalex.org/P4310312504"],"host_organization_lineage_names":["Sociedade Brasileira de Cardiologia (SBC)"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arquivos Brasileiros de Cardiologia","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://abccardiol.org/wp-content/uploads/articles_xml/0066-782X-abc-118-04-0712/0066-782X-abc-118-04-0712.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090022918","display_name":"Ayd\u0131n Aky\u00fcz","orcid":"https://orcid.org/0000-0003-3304-4125","observed_orcids":["https://orcid.org/0000-0003-3304-4125"]},"institutions":[{"id":"https://openalex.org/I125454184","display_name":"Tekirda\u011f Nam\u0131k Kemal University","ror":"https://ror.org/01a0mk874","country_code":"TR","type":"education","lineage":["https://openalex.org/I125454184"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Ayd\u0131n Aky\u00fcz","raw_affiliation_strings":["Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","of - , - of -"],"raw_orcid":"https://orcid.org/0000-0003-3304-4125","affiliations":[{"raw_affiliation_string":"Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","institution_ids":["https://openalex.org/I125454184"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034982329","display_name":"Derya Bayk\u0131z","orcid":"https://orcid.org/0000-0003-0666-6631","observed_orcids":["https://orcid.org/0000-0003-0666-6631"]},"institutions":[{"id":"https://openalex.org/I67581229","display_name":"Istanbul University","ror":"https://ror.org/03a5qrr21","country_code":"TR","type":"education","lineage":["https://openalex.org/I67581229"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Derya Bayk\u0131z","raw_affiliation_strings":["Istanbul University Istanbul Faculty of Medicine - Cardiology, Istanbul - Turquia","of - , - of -"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istanbul University Istanbul Faculty of Medicine - Cardiology, Istanbul - Turquia","institution_ids":["https://openalex.org/I67581229"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048055012","display_name":"Demet \u00d6zkaramanl\u0131 G\u00fcr","orcid":"https://orcid.org/0000-0003-2542-8196","observed_orcids":["https://orcid.org/0000-0003-2542-8196"]},"institutions":[{"id":"https://openalex.org/I125454184","display_name":"Tekirda\u011f Nam\u0131k Kemal University","ror":"https://ror.org/01a0mk874","country_code":"TR","type":"education","lineage":["https://openalex.org/I125454184"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Demet \u00d6zkaramanl\u0131 G\u00fcr","raw_affiliation_strings":["Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","of - , - of -"],"raw_orcid":"https://orcid.org/0000-0003-2542-8196","affiliations":[{"raw_affiliation_string":"Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","institution_ids":["https://openalex.org/I125454184"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028275169","display_name":"S\u00fcmeyra G\u00f6k\u00e7ek","orcid":"https://orcid.org/0000-0003-4417-5251","observed_orcids":["https://orcid.org/0000-0003-4417-5251"]},"institutions":[{"id":"https://openalex.org/I125454184","display_name":"Tekirda\u011f Nam\u0131k Kemal University","ror":"https://ror.org/01a0mk874","country_code":"TR","type":"education","lineage":["https://openalex.org/I125454184"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"S\u00fcmeyra G\u00f6k\u00e7ek","raw_affiliation_strings":["Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","of - , - of -"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","institution_ids":["https://openalex.org/I125454184"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088384084","display_name":"Muhammet Mucip Efe","orcid":"https://orcid.org/0000-0001-9153-0995","observed_orcids":["https://orcid.org/0000-0001-9153-0995"]},"institutions":[{"id":"https://openalex.org/I125454184","display_name":"Tekirda\u011f Nam\u0131k Kemal University","ror":"https://ror.org/01a0mk874","country_code":"TR","type":"education","lineage":["https://openalex.org/I125454184"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Muhammet Mucip Efe","raw_affiliation_strings":["Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","of - , - of -"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","institution_ids":["https://openalex.org/I125454184"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060479360","display_name":"\u015eeref Alpsoy","orcid":"https://orcid.org/0000-0003-3720-0076","observed_orcids":["https://orcid.org/0000-0003-3720-0076"]},"institutions":[{"id":"https://openalex.org/I125454184","display_name":"Tekirda\u011f Nam\u0131k Kemal University","ror":"https://ror.org/01a0mk874","country_code":"TR","type":"education","lineage":["https://openalex.org/I125454184"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"\u015eeref Alpsoy","raw_affiliation_strings":["Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","of - , - of -"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Namik Kemal University Faculty of Medicine - Cardiology, Tekirdag - Turquia","institution_ids":["https://openalex.org/I125454184"]},{"raw_affiliation_string":"of - , - of -","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.23789401,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"118","issue":"4","first_page":"712","last_page":"718"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11967","display_name":"Electrolyte and hormonal disorders","score":0.8140000104904175,"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/T11967","display_name":"Electrolyte and hormonal disorders","score":0.8140000104904175,"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/T10065","display_name":"Atrial Fibrillation Management and Outcomes","score":0.12710000574588776,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10198","display_name":"Heart Failure Treatment and Management","score":0.026000000536441803,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/hyponatremia","display_name":"hyponatremia","score":0.984000027179718},{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"atrial fibrillation","score":0.984000027179718},{"id":"https://openalex.org/keywords/heart-failure-with-reduced-ejection-fraction","display_name":"heart failure with reduced ejection fraction","score":0.9570000171661377},{"id":"https://openalex.org/keywords/sodium-concentration","display_name":"sodium concentration","score":0.843999981880188},{"id":"https://openalex.org/keywords/heart-failure-with-preserved-ejection-fraction","display_name":"heart failure with preserved ejection fraction","score":0.625},{"id":"https://openalex.org/keywords/sodium-homeostasis","display_name":"sodium homeostasis","score":0.36000001430511475},{"id":"https://openalex.org/keywords/atrial-remodeling","display_name":"atrial remodeling","score":0.5270000100135803},{"id":"https://openalex.org/keywords/left-atrial-diameter","display_name":"left atrial diameter","score":0.6150000095367432},{"id":"https://openalex.org/keywords/resting-heart-rate","display_name":"resting heart rate","score":0.7440000176429749},{"id":"https://openalex.org/keywords/coronary-artery-disease","display_name":"coronary artery disease","score":0.8809999823570251},{"id":"https://openalex.org/keywords/old-age","display_name":"old age","score":0.6380000114440918},{"id":"https://openalex.org/keywords/risk-factors-for-atrial-fibrillation","display_name":"atrial fibrillation risk factors","score":0.7310000061988831},{"id":"https://openalex.org/keywords/atrial-fibrillation-prevention","display_name":"atrial fibrillation prevention","score":0.3970000147819519},{"id":"https://openalex.org/keywords/morbidity-and-mortality","display_name":"morbidity and mortality","score":0.40400001406669617},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.48500001430511475}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9440577030181885},{"id":"https://openalex.org/C2776703092","wikidata":"https://www.wikidata.org/wiki/Q824292","display_name":"Hyponatremia","level":2,"score":0.8574092388153076},{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.8066713809967041},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7607988715171814},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.6865246295928955},{"id":"https://openalex.org/C2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","level":2,"score":0.6665671467781067},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6622742414474487},{"id":"https://openalex.org/C2778213512","wikidata":"https://www.wikidata.org/wiki/Q844935","display_name":"Coronary artery disease","level":2,"score":0.4667665660381317}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"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":"D006333","descriptor_name":"Heart Failure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007010","descriptor_name":"Hyponatremia","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":true},{"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":"D011379","descriptor_name":"Prognosis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012964","descriptor_name":"Sodium","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013318","descriptor_name":"Stroke Volume","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.36660/abc.20210139","doi":"https://doi.org/10.36660/abc.20210139","is_oa":true,"landing_page_url":"https://doi.org/10.36660/abc.20210139","pdf_url":"https://abccardiol.org/wp-content/uploads/articles_xml/0066-782X-abc-118-04-0712/0066-782X-abc-118-04-0712.pdf","source":{"id":"https://openalex.org/S67004851","display_name":"Arquivos Brasileiros de Cardiologia","issn_l":"0066-782X","issn":["0066-782X","1678-4170"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-40","russia-white-list-2","scielo"],"host_organization":"https://openalex.org/P4310312504","host_organization_name":"Sociedade Brasileira de Cardiologia (SBC)","host_organization_lineage":["https://openalex.org/P4310312504"],"host_organization_lineage_names":["Sociedade Brasileira de Cardiologia (SBC)"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arquivos Brasileiros de Cardiologia","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:9007004","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9007004","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arq Bras Cardiol","raw_type":"Text"},{"id":"pmid:35137792","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35137792","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":"Arquivos brasileiros de cardiologia","raw_type":"Journal Article"},{"id":"pmh:oai:scielo:S0066-782X2022000400712","doi":null,"is_oa":true,"landing_page_url":"http://old.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0066-782X2022000400712","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arquivos Brasileiros de Cardiologia v.118 n.4 2022","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:scielo:S0066-782X2022005001218","doi":null,"is_oa":true,"landing_page_url":"http://old.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0066-782X2022005001218","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arquivos Brasileiros de Cardiologia n.ahead 2022","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:396aefe662534624b8a908fd8e1336f2","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/396aefe662534624b8a908fd8e1336f2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Arquivos Brasileiros de Cardiologia (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.36660/abc.20210139","doi":"https://doi.org/10.36660/abc.20210139","is_oa":true,"landing_page_url":"https://doi.org/10.36660/abc.20210139","pdf_url":"https://abccardiol.org/wp-content/uploads/articles_xml/0066-782X-abc-118-04-0712/0066-782X-abc-118-04-0712.pdf","source":{"id":"https://openalex.org/S67004851","display_name":"Arquivos Brasileiros de Cardiologia","issn_l":"0066-782X","issn":["0066-782X","1678-4170"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-40","russia-white-list-2","scielo"],"host_organization":"https://openalex.org/P4310312504","host_organization_name":"Sociedade Brasileira de Cardiologia (SBC)","host_organization_lineage":["https://openalex.org/P4310312504"],"host_organization_lineage_names":["Sociedade Brasileira de Cardiologia (SBC)"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arquivos Brasileiros de Cardiologia","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"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/W3209693028.pdf","grobid_xml":"https://content.openalex.org/works/W3209693028.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W200624810","https://openalex.org/W1966860295","https://openalex.org/W1984364985","https://openalex.org/W1993293571","https://openalex.org/W1994364194","https://openalex.org/W2029639319","https://openalex.org/W2048943125","https://openalex.org/W2057800632","https://openalex.org/W2075422313","https://openalex.org/W2077277741","https://openalex.org/W2077534849","https://openalex.org/W2115745887","https://openalex.org/W2124624517","https://openalex.org/W2145637696","https://openalex.org/W2184529493","https://openalex.org/W2219147369","https://openalex.org/W2427094903","https://openalex.org/W2509795914","https://openalex.org/W2619142726","https://openalex.org/W2777982354","https://openalex.org/W2796077449","https://openalex.org/W2801729862","https://openalex.org/W2909500004","https://openalex.org/W2919674983","https://openalex.org/W2955215720","https://openalex.org/W3004050106","https://openalex.org/W4293860347","https://openalex.org/W4294236164"],"related_works":["https://openalex.org/W2796077449","https://openalex.org/W3036859489","https://openalex.org/W4390736238","https://openalex.org/W4390752833","https://openalex.org/W2146091348","https://openalex.org/W1994364194","https://openalex.org/W2359238814","https://openalex.org/W2899539986","https://openalex.org/W2269541573","https://openalex.org/W2955215720"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1],"coexistence":[2],"of":[3,41,102,180,206],"hyponatremia":[4,25,42,84,145,163],"and":[5,11,86,114,193,216,226],"atrial":[6],"fibrillation":[7],"(AF)":[8],"increases":[9],"morbidity":[10],"mortality":[12],"in":[13,45,134,142,212,228],"patients":[14,46,80,124,143,229],"with":[15,43,47,65,67,127,144,149,214,230],"heart":[16,51,187],"failure":[17,52],"(HF).":[18],"However,":[19,218],"it":[20],"is":[21,26,220],"not":[22,165],"established":[23],"whether":[24],"related":[27,166],"to":[28,36,147,167,203],"AF":[29,44,131,138,168,209,227],"or":[30,69,77],"not.":[31],"OBJECTIVE:":[32],"Our":[33],"study":[34,59],"aims":[35],"seek":[37],"a":[38],"potential":[39],"association":[40,222],"reduced":[48],"ejection":[49,116],"fraction":[50,117],"(HFrEF).":[53],"METHODS:":[54],"This":[55],"observational":[56],"cross-sectional":[57],"single-center":[58],"included":[60],"280":[61],"consecutive":[62],"outpatients":[63,213],"diagnosed":[64,126],"HFrEF":[66,215],"40%":[68],"less.":[70],"Based":[71],"on":[72],"sodium":[73,109,224],"concentrations":[74],"\u2264135":[75],"mEq/L":[76],"higher,":[78],"the":[79,159],"were":[81,105,125,201],"classified":[82],"into":[83],"(n=66)":[85],"normonatremia":[87,150],"(n=214).":[88],"A":[89],"p-value":[90],"<0.05":[91],"was":[92,98,111,118,132,140,164,210],"considered":[93],"significant.":[94],"RESULTS:":[95],"Mean":[96],"age":[97,174],"67.6\u00b110.5":[99],"years,":[100],"202":[101],"them":[103],"(72.2%)":[104],"male,":[106],"mean":[107,115],"blood":[108],"level":[110],"138\u00b13.6":[112],"mEq/L,":[113],"30\u00b14%.":[119],"Of":[120],"those,":[121],"195":[122],"(69.6%)":[123],"coronary":[128],"artery":[129],"disease.":[130],"detected":[133],"124":[135],"(44.3%)":[136],"patients.":[137],"rate":[139,188],"higher":[141,211],"compared":[146],"those":[148],"(n=39":[151],"[59.1%]":[152],"vs.":[153],"n=85":[154],"[39.7%),":[155],"p=":[156],"0.020).":[157],"In":[158],"logistic":[160],"regression":[161],"analysis,":[162],"(OR=1.022,":[169],"95%":[170,176,183,190,198],"CI=0.785-1.330,":[171],"p=0.871).":[172],"Advanced":[173],"(OR=1.046,":[175],"CI=1.016-1.177,":[177],"p=0.003),":[178],"presence":[179],"CAD":[181],"(OR=2.058,":[182],"CI=1.122-3.777,":[184],"p=0.020),":[185],"resting":[186],"(OR=1.041,":[189],"CI=1.023-1.060,":[191],"p<0.001),":[192],"left":[194],"atrium":[195],"diameter":[196],"(OR=1.049,":[197],"CI=1.011-1.616,":[199],"p=0.002)":[200],"found":[202],"be":[204],"predictors":[205],"AF.":[207],"CONCLUSION:":[208],"hyponatremia.":[217],"there":[219],"no":[221],"between":[223],"levels":[225],"HFrEF.":[231]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2021-11-08T00:00:00"}