{"id":"https://openalex.org/W7213412508","doi":"https://doi.org/10.3389/fcvm.2026.1840998","title":"External validation of EuroSCORE II, additive EuroSCORE, and the STS predicted risk of mortality at 2,600 meters above sea level: a retrospective cohort study from a Latin American cardiac surgery centre","display_name":"External validation of EuroSCORE II, additive EuroSCORE, and the STS predicted risk of mortality at 2,600 meters above sea level: a retrospective cohort study from a Latin American cardiac surgery centre","publication_year":2026,"publication_date":"2026-10-07","ids":{"openalex":"https://openalex.org/W7213412508","doi":"https://doi.org/10.3389/fcvm.2026.1840998","pmid":"https://pubmed.ncbi.nlm.nih.gov/42908773","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/13683153"},"language":"en","primary_location":{"id":"doi:10.3389/fcvm.2026.1840998","doi":"https://doi.org/10.3389/fcvm.2026.1840998","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fcvm.2026.1840998","pdf_url":"https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2026.1840998/pdf","source":{"id":"https://openalex.org/S2595413687","display_name":"Frontiers in Cardiovascular Medicine","issn_l":"2297-055X","issn":["2297-055X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Cardiovascular Medicine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","datacite","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2026.1840998/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063049741","display_name":"David Ren\u00e9 Rodr\u00edguez Lima","orcid":"https://orcid.org/0000-0002-7089-018X","observed_orcids":["https://orcid.org/0000-0002-7089-018X"]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]},{"id":"https://openalex.org/I90803817","display_name":"Universidad del Rosario","ror":"https://ror.org/0108mwc04","country_code":"CO","type":"education","lineage":["https://openalex.org/I90803817"]}],"countries":["CO"],"is_corresponding":true,"raw_author_name":"David Rene Rodr\u00edguez-Lima","raw_affiliation_strings":["Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri","Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]},{"raw_affiliation_string":"Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario","institution_ids":["https://openalex.org/I90803817"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035701018","display_name":"Javier Dar\u00edo Garz\u00f3n","orcid":"https://orcid.org/0009-0004-6675-7337","observed_orcids":["https://orcid.org/0009-0004-6675-7337"]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]},{"id":"https://openalex.org/I90803817","display_name":"Universidad del Rosario","ror":"https://ror.org/0108mwc04","country_code":"CO","type":"education","lineage":["https://openalex.org/I90803817"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Javier Dar\u00edo Garz\u00f3n-Rodr\u00edguez","raw_affiliation_strings":["Cardiovascular Surgery, Hospital Universitario Mayor-M\u00e9deri","Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cardiovascular Surgery, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]},{"raw_affiliation_string":"Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario","institution_ids":["https://openalex.org/I90803817"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101344501","display_name":"Paula L Torres G\u00f3mez","orcid":"https://orcid.org/0000-0002-6042-218X","observed_orcids":["https://orcid.org/0000-0002-6042-218X"]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]},{"id":"https://openalex.org/I90803817","display_name":"Universidad del Rosario","ror":"https://ror.org/0108mwc04","country_code":"CO","type":"education","lineage":["https://openalex.org/I90803817"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Paula Liliana Torres-G\u00f3mez","raw_affiliation_strings":["Cardiovascular Surgery, Hospital Universitario Mayor-M\u00e9deri","Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cardiovascular Surgery, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]},{"raw_affiliation_string":"Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario","institution_ids":["https://openalex.org/I90803817"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157841643","display_name":"Cristhian Rubio-Ramos","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Cristhian Rubio-Ramos","raw_affiliation_strings":["Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001627747","display_name":"Leonardo Andr\u00e9s G\u00f3mez Cortes","orcid":"https://orcid.org/0000-0001-6728-0498","observed_orcids":["https://orcid.org/0000-0001-6728-0498"]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Leonardo Andr\u00e9s G\u00f3mez-Cortes","raw_affiliation_strings":["Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021538229","display_name":"Esther Campo Bautista","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Esther Mar\u00eda Campo-Bautista","raw_affiliation_strings":["Cardiology Department, La Cardio"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cardiology Department, La Cardio","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157833654","display_name":"Edith Eliana Rodriguez-Aparicio","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387153772","display_name":"Hospital Universitario Mayor, Mederi","ror":"https://ror.org/0266nxj03","country_code":"CO","type":"healthcare","lineage":["https://openalex.org/I4387153772"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Edith Eliana Rodriguez-Aparicio","raw_affiliation_strings":["Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Critical and Intensive Care Medicine, Hospital Universitario Mayor-M\u00e9deri","institution_ids":["https://openalex.org/I4387153772"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5157866737","display_name":"Juan Diego Toro-Egas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I90803817","display_name":"Universidad del Rosario","ror":"https://ror.org/0108mwc04","country_code":"CO","type":"education","lineage":["https://openalex.org/I90803817"]}],"countries":["CO"],"is_corresponding":false,"raw_author_name":"Juan Diego Toro-Egas","raw_affiliation_strings":["Cardiology Department, La Cardio","Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cardiology Department, La Cardio","institution_ids":[]},{"raw_affiliation_string":"Facultad de Medicina, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario","institution_ids":["https://openalex.org/I90803817"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5063049741"],"corresponding_institution_ids":["https://openalex.org/I4387153772","https://openalex.org/I90803817"],"apc_list":{"value":3150,"currency":"CHF","value_usd":3801},"apc_paid":{"value":3150,"currency":"CHF","value_usd":3801},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.70552424,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":null,"first_page":"1840998","last_page":"1840998"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9907000064849854,"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":0.9907000064849854,"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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.006300000008195639,"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/T10300","display_name":"Congenital Heart Disease Studies","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/euroscore-ii","display_name":"EuroSCORE II","score":0.9919999837875366},{"id":"https://openalex.org/keywords/cardiac-surgery-mortality-prediction","display_name":"cardiac surgery mortality prediction","score":0.6840000152587891},{"id":"https://openalex.org/keywords/external-validation","display_name":"external validation","score":0.7620000243186951},{"id":"https://openalex.org/keywords/high-altitude","display_name":"high altitude","score":0.7950000166893005}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8004999756813049},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.7263000011444092},{"id":"https://openalex.org/C158886217","wikidata":"https://www.wikidata.org/wiki/Q16799549","display_name":"Latin Americans","level":2,"score":0.5863000154495239},{"id":"https://openalex.org/C2779040412","wikidata":"https://www.wikidata.org/wiki/Q5411565","display_name":"EuroSCORE","level":3,"score":0.5187000036239624},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.4943999946117401},{"id":"https://openalex.org/C2778789114","wikidata":"https://www.wikidata.org/wiki/Q235007","display_name":"Cardiac surgery","level":2,"score":0.48829999566078186},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.4496000111103058},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.43070000410079956},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.35100001096725464},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.3151000142097473},{"id":"https://openalex.org/C12174686","wikidata":"https://www.wikidata.org/wiki/Q1058438","display_name":"Risk assessment","level":2,"score":0.3149000108242035},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.311599999666214},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.30880001187324524},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.2874000072479248},{"id":"https://openalex.org/C179755657","wikidata":"https://www.wikidata.org/wiki/Q58702","display_name":"Mortality rate","level":2,"score":0.2712000012397766},{"id":"https://openalex.org/C50440223","wikidata":"https://www.wikidata.org/wiki/Q1475848","display_name":"Risk factor","level":2,"score":0.2551000118255615},{"id":"https://openalex.org/C61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","level":1,"score":0.25429999828338623}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3389/fcvm.2026.1840998","doi":"https://doi.org/10.3389/fcvm.2026.1840998","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fcvm.2026.1840998","pdf_url":"https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2026.1840998/pdf","source":{"id":"https://openalex.org/S2595413687","display_name":"Frontiers in Cardiovascular Medicine","issn_l":"2297-055X","issn":["2297-055X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Cardiovascular Medicine","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:13683153","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13683153/","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13683153/pdf/fcvm-13-1840998.pdf","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":"Front Cardiovasc Med","raw_type":"Text"},{"id":"pmid:42908773","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42908773","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":"Frontiers in cardiovascular medicine","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:44dcf77487264dd6bc77457b1f626fda","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/44dcf77487264dd6bc77457b1f626fda","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Frontiers in Cardiovascular Medicine, Vol 13 (2026)","raw_type":"article"},{"id":"doi:10.5281/zenodo.22797058","doi":"https://doi.org/10.5281/zenodo.22797058","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22797058","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dataset"},{"id":"doi:10.5281/zenodo.22797059","doi":"https://doi.org/10.5281/zenodo.22797059","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22797059","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dataset"}],"best_oa_location":{"id":"doi:10.3389/fcvm.2026.1840998","doi":"https://doi.org/10.3389/fcvm.2026.1840998","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fcvm.2026.1840998","pdf_url":"https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2026.1840998/pdf","source":{"id":"https://openalex.org/S2595413687","display_name":"Frontiers in Cardiovascular Medicine","issn_l":"2297-055X","issn":["2297-055X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Cardiovascular Medicine","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9940000176429749}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213412508.pdf","grobid_xml":"https://content.openalex.org/works/W7213412508.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1550111394","https://openalex.org/W1702536112","https://openalex.org/W1991045134","https://openalex.org/W2014433070","https://openalex.org/W2053374412","https://openalex.org/W2079776874","https://openalex.org/W2121947900","https://openalex.org/W2142657295","https://openalex.org/W2145762449","https://openalex.org/W2156202966","https://openalex.org/W2161285281","https://openalex.org/W2171025562","https://openalex.org/W2283335547","https://openalex.org/W2328176404","https://openalex.org/W2520747761","https://openalex.org/W2790553094","https://openalex.org/W2790952035","https://openalex.org/W2954707123","https://openalex.org/W2996480032","https://openalex.org/W3135894315","https://openalex.org/W3153767494","https://openalex.org/W3187581061","https://openalex.org/W4214624426","https://openalex.org/W4233026002","https://openalex.org/W4238788310","https://openalex.org/W4296474052","https://openalex.org/W4362584349","https://openalex.org/W4393482087","https://openalex.org/W4408666436","https://openalex.org/W4409376032","https://openalex.org/W4409665608","https://openalex.org/W4415299362"],"related_works":["https://openalex.org/W2026652201","https://openalex.org/W2310963968","https://openalex.org/W2889674563","https://openalex.org/W2161285281","https://openalex.org/W2116907810","https://openalex.org/W2239319009","https://openalex.org/W2996575438","https://openalex.org/W1991045134","https://openalex.org/W2323459877","https://openalex.org/W2318095551"],"abstract_inverted_index":{"Background":[0],"EuroSCORE":[1,83,88,184,216,285,304],"II,":[2,185,217,286],"the":[3,7,86,92,95,101,109,117,135,138,147,155,191,207,223,287],"Additive":[4,87,192,224,288],"EuroSCORE,":[5,193,225,289],"and":[6,76,85,98,144,159,168,194,226,245,259,262,270,290,306,328],"Society":[8],"of":[9,14,170,267,320],"Thoracic":[10],"Surgeons":[11],"Predicted":[12],"Risk":[13],"Mortality":[15],"(STS":[16],"PROM)":[17],"are":[18,338],"widely":[19],"used":[20,339],"cardiac":[21,34,60],"surgery":[22,35,61],"risk":[23,257],"models,":[24],"but":[25,299],"their":[26],"performance":[27],"has":[28],"not":[29],"been":[30],"evaluated":[31,99],"in":[32,100,154,264,324,344],"a":[33,47],"centre":[36],"located":[37],"at":[38,64],"high":[39],"altitude":[40,321],"(\u22652,500":[41],"m":[42,69],"asl).":[43],"Methods":[44],"We":[45],"conducted":[46],"retrospective":[48],"external":[49],"validation":[50],"study":[51,314],"using":[52],"prospectively":[53],"collected":[54],"registry":[55,93],"data":[56,272],"from":[57,91,108,322],"consecutive":[58],"adult":[59],"procedures":[62,118,171],"performed":[63],"Hospital":[65],"Universitario":[66],"Mayor-M\u00e9deri":[67],"(2,600":[68],"asl),":[70],"Bogot\u00e1,":[71],"Colombia,":[72],"between":[73],"January":[74],"2019":[75],"February":[77],"2026":[78],"(":[79,122],"N":[80],"=":[81,124],"1,486).":[82],"II":[84,274,305],"were":[89,172,236],"calculated":[90],"with":[94,134,146],"published":[96],"models":[97,204,337],"full":[102],"cohort;":[103],"STS":[104,111,200,232,291,296,307],"PROM":[105,292,297,308],"was":[106,128,132,165,176,210,252],"obtained":[107],"official":[110],"online":[112],"calculator":[113],"(2018":[114],"models)":[115],"for":[116,183,190,199,215,222,231,340],"within":[119],"its":[120],"scope":[121],"n":[123],"1,076).":[125],"The":[126,174,313],"outcome":[127],"in-hospital":[129,302],"mortality.":[130],"Discrimination":[131],"assessed":[133],"area":[136],"under":[137],"receiver":[139],"operating":[140],"characteristic":[141],"curve":[142],"(AUC),":[143],"calibration":[145,153,157,160],"observed":[148],"to":[149,181,188,197,213,220,229,239,243,248,277],"expected":[150],"(O/E)":[151],"ratio,":[152],"large,":[156],"slope,":[158],"plots.":[161],"Results":[162],"In-hospital":[163],"mortality":[164],"7.9%":[166],"(117/1,486),":[167],"82.3%":[169],"non-elective.":[173],"AUC":[175],"0.736":[177],"(95%":[178],"CI":[179],"0.687":[180],"0.785)":[182],"0.733":[186],"(0.684":[187],"0.783)":[189],"0.815":[195],"(0.757":[196],"0.873)":[198],"PROM.":[201,233],"All":[202],"three":[203],"underestimated":[205,301],"mortality:":[206],"O/E":[208,275],"ratio":[209],"2.50":[211],"(2.09":[212],"3.00)":[214],"1.50":[218],"(1.25":[219],"1.79)":[221],"2.72":[227],"(2.14":[228],"3.47)":[230],"Calibration":[234],"slopes":[235],"1.04":[237],"(0.82":[238],"1.26),":[240],"1.94":[241],"(1.46":[242],"2.41),":[244],"1.31":[246],"(1.01":[247],"1.60),":[249],"respectively.":[250],"Underestimation":[251],"present":[253],"across":[254],"procedure":[255],"types,":[256],"strata,":[258],"calendar":[260],"years,":[261],"persisted":[263],"sensitivity":[265],"analyses":[266],"variable":[268],"mapping":[269],"missing":[271],"(EuroSCORE":[273],"2.37":[276],"3.05).":[278],"Conclusions":[279],"In":[280],"this":[281,345],"high-altitude":[282],"Colombian":[283],"centre,":[284],"ranked":[293],"patients":[294],"acceptably,":[295],"best,":[298],"all":[300],"mortality,":[303],"by":[309],"more":[310],"than":[311],"twofold.":[312],"design":[315],"cannot":[316],"separate":[317],"an":[318],"effect":[319],"differences":[323],"case":[325],"mix,":[326],"urgency,":[327],"local":[329],"care.":[330],"Local":[331],"recalibration":[332],"is":[333],"needed":[334],"before":[335],"these":[336],"counselling":[341],"or":[342],"benchmarking":[343],"setting.":[346]},"counts_by_year":[],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2026-09-17T00:00:00"}
