{"id":"https://openalex.org/W2002195397","doi":"https://doi.org/10.1016/0002-9149(81)90181-8","title":"Preoperative factors affecting the outcome of isolated mitral valve replacement: A 10 year review","display_name":"Preoperative factors affecting the outcome of isolated mitral valve replacement: A 10 year review","publication_year":1981,"publication_date":"1981-04-01","ids":{"openalex":"https://openalex.org/W2002195397","doi":"https://doi.org/10.1016/0002-9149(81)90181-8","mag":"2002195397","pmid":"https://pubmed.ncbi.nlm.nih.gov/7211697"},"language":"en","primary_location":{"id":"doi:10.1016/0002-9149(81)90181-8","doi":"https://doi.org/10.1016/0002-9149(81)90181-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-9149(81)90181-8","pdf_url":null,"source":{"id":"https://openalex.org/S185186944","display_name":"The American Journal of Cardiology","issn_l":"0002-9149","issn":["0002-9149","1879-1913"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Journal of Cardiology","raw_type":"journal-article"},"volume":null,"type":"article","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/A5112411469","display_name":"Anthony J. Dalby","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]},{"id":"https://openalex.org/I2802258008","display_name":"Groote Schuur Hospital","ror":"https://ror.org/00c879s84","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I1307091933","https://openalex.org/I2802258008"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Anthony J. Dalby","raw_affiliation_strings":["From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa","institution_ids":["https://openalex.org/I157614274","https://openalex.org/I2802258008"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048931664","display_name":"Brian G. Firth","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]},{"id":"https://openalex.org/I2802258008","display_name":"Groote Schuur Hospital","ror":"https://ror.org/00c879s84","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I1307091933","https://openalex.org/I2802258008"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Brian G. Firth","raw_affiliation_strings":["From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa","institution_ids":["https://openalex.org/I157614274","https://openalex.org/I2802258008"]}]},{"author_position":"last","author":{"id":null,"display_name":"Robert Forman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]},{"id":"https://openalex.org/I2802258008","display_name":"Groote Schuur Hospital","ror":"https://ror.org/00c879s84","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I1307091933","https://openalex.org/I2802258008"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Robert Forman","raw_affiliation_strings":["From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Cardiac Clinic, Department of Medicine, University of Cape Town Medical School and Groote Schuur Hospital, Observatory, Cape Town, South Africa","institution_ids":["https://openalex.org/I157614274","https://openalex.org/I2802258008"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3380,"currency":"USD","value_usd":3380},"apc_paid":null,"fwci":3.1336,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.90687346,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"47","issue":"4","first_page":"826","last_page":"834"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9994999766349792,"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/T10618","display_name":"Aortic Disease and Treatment Approaches","score":0.0,"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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mitral-valve-replacement","display_name":"mitral valve replacement","score":0.9660000205039978},{"id":"https://openalex.org/keywords/preoperative-risk-factors","display_name":"preoperative risk factors","score":0.9309999942779541},{"id":"https://openalex.org/keywords/postoperative-mortality","display_name":"postoperative mortality","score":0.6930000185966492},{"id":"https://openalex.org/keywords/thromboembolism","display_name":"thromboembolism","score":0.8849999904632568},{"id":"https://openalex.org/keywords/cardiothoracic-ratio","display_name":"cardiothoracic ratio","score":0.9229999780654907},{"id":"https://openalex.org/keywords/left-atrial-diameter","display_name":"left atrial diameter","score":0.9620000123977661},{"id":"https://openalex.org/keywords/hemodynamic-status","display_name":"hemodynamic status","score":0.6800000071525574},{"id":"https://openalex.org/keywords/cardiac-catheterization","display_name":"cardiac catheterization","score":0.6819999814033508},{"id":"https://openalex.org/keywords/starr-edwards-prosthesis","display_name":"Starr-Edwards prosthesis","score":0.8529999852180481},{"id":"https://openalex.org/keywords/long-term-survival","display_name":"long-term survival","score":0.722000002861023},{"id":"https://openalex.org/keywords/age-at-surgery","display_name":"age at surgery","score":0.5239999890327454},{"id":"https://openalex.org/keywords/mitral-valve-lesions","display_name":"mitral valve lesions","score":0.5960000157356262},{"id":"https://openalex.org/keywords/heart-rhythm","display_name":"cardiac rhythm","score":0.8619999885559082},{"id":"https://openalex.org/keywords/pulmonary-vascular-resistance","display_name":"pulmonary vascular resistance","score":0.8539999723434448},{"id":"https://openalex.org/keywords/left-ventricular-end-diastolic-pressure","display_name":"left ventricular end-diastolic pressure","score":0.9430000185966492}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9006367921829224},{"id":"https://openalex.org/C2775854548","wikidata":"https://www.wikidata.org/wiki/Q6882369","display_name":"Mitral valve replacement","level":3,"score":0.7318846583366394},{"id":"https://openalex.org/C31174226","wikidata":"https://www.wikidata.org/wiki/Q64855140","display_name":"Perioperative","level":2,"score":0.6801578998565674},{"id":"https://openalex.org/C2777543888","wikidata":"https://www.wikidata.org/wiki/Q369939","display_name":"Mitral valve","level":2,"score":0.5767806172370911},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.5606240630149841},{"id":"https://openalex.org/C2776283816","wikidata":"https://www.wikidata.org/wiki/Q332823","display_name":"Survival rate","level":2,"score":0.5501620173454285},{"id":"https://openalex.org/C2778715743","wikidata":"https://www.wikidata.org/wiki/Q181802","display_name":"Prosthesis","level":2,"score":0.4823836386203766},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.4745957553386688},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4647585153579712},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.4156857430934906},{"id":"https://openalex.org/C179755657","wikidata":"https://www.wikidata.org/wiki/Q58702","display_name":"Mortality rate","level":2,"score":0.41255858540534973},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"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":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003327","descriptor_name":"Coronary Disease","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D006350","descriptor_name":"Heart Valve Prosthesis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006439","descriptor_name":"Hemodynamics","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":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008943","descriptor_name":"Mitral Valve","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D008944","descriptor_name":"Mitral Valve Insufficiency","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D008946","descriptor_name":"Mitral Valve Stenosis","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D011183","descriptor_name":"Postoperative Complications","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011300","descriptor_name":"Preoperative Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D013552","descriptor_name":"Swine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013902","descriptor_name":"Radiography, Thoracic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013923","descriptor_name":"Thromboembolism","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/0002-9149(81)90181-8","doi":"https://doi.org/10.1016/0002-9149(81)90181-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-9149(81)90181-8","pdf_url":null,"source":{"id":"https://openalex.org/S185186944","display_name":"The American Journal of Cardiology","issn_l":"0002-9149","issn":["0002-9149","1879-1913"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Journal of Cardiology","raw_type":"journal-article"},{"id":"pmid:7211697","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7211697","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":"The American journal of cardiology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.8999999761581421}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1556949737","https://openalex.org/W1976882108","https://openalex.org/W1987529776","https://openalex.org/W1992206933","https://openalex.org/W1995275346","https://openalex.org/W1999097329","https://openalex.org/W2004999661","https://openalex.org/W2011582959","https://openalex.org/W2012691096","https://openalex.org/W2017341310","https://openalex.org/W2021561422","https://openalex.org/W2035825485","https://openalex.org/W2035874052","https://openalex.org/W2037368994","https://openalex.org/W2043993789","https://openalex.org/W2046896533","https://openalex.org/W2051803754","https://openalex.org/W2052589112","https://openalex.org/W2058079878","https://openalex.org/W2067394777","https://openalex.org/W2069006580","https://openalex.org/W2071092477","https://openalex.org/W2078541928","https://openalex.org/W2080369750","https://openalex.org/W2095231542","https://openalex.org/W2100543660","https://openalex.org/W2108779751","https://openalex.org/W2133188219","https://openalex.org/W2166703254","https://openalex.org/W2340051550","https://openalex.org/W2404248289","https://openalex.org/W2410449185","https://openalex.org/W2414768198","https://openalex.org/W2433096460","https://openalex.org/W2435466595","https://openalex.org/W2465375216","https://openalex.org/W2466457442","https://openalex.org/W4249001535","https://openalex.org/W4323238433"],"related_works":["https://openalex.org/W2465375216","https://openalex.org/W2046896533","https://openalex.org/W2100543660","https://openalex.org/W2026120129","https://openalex.org/W2924657648","https://openalex.org/W2402285459","https://openalex.org/W2411636337","https://openalex.org/W2307165454","https://openalex.org/W2042967848","https://openalex.org/W2428411056"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}