{"id":"https://openalex.org/W2007753813","doi":"https://doi.org/10.1097/sla.0b013e318288e957","title":"Preoperative Anemia Is an Independent Predictor of Postoperative Mortality and Adverse Cardiac Events in Elderly Patients Undergoing Elective Vascular Operations","display_name":"Preoperative Anemia Is an Independent Predictor of Postoperative Mortality and Adverse Cardiac Events in Elderly Patients Undergoing Elective Vascular Operations","publication_year":2013,"publication_date":"2013-03-22","ids":{"openalex":"https://openalex.org/W2007753813","doi":"https://doi.org/10.1097/sla.0b013e318288e957","mag":"2007753813","pmid":"https://pubmed.ncbi.nlm.nih.gov/23511839"},"language":"en","primary_location":{"id":"doi:10.1097/sla.0b013e318288e957","doi":"https://doi.org/10.1097/sla.0b013e318288e957","is_oa":false,"landing_page_url":"https://doi.org/10.1097/sla.0b013e318288e957","pdf_url":null,"source":{"id":"https://openalex.org/S157664895","display_name":"Annals of Surgery","issn_l":"0003-4932","issn":["0003-4932","1528-1140"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Surgery","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/A5076308776","display_name":"Prateek K. Gupta","orcid":"https://orcid.org/0000-0001-7695-3877","observed_orcids":["https://orcid.org/0000-0001-7695-3877"]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]},{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I2799905417","display_name":"UW Health University Hospital","ror":"https://ror.org/02mqqhj42","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I135310074","https://openalex.org/I2799905417","https://openalex.org/I4210132596"]},{"id":"https://openalex.org/I4210141342","display_name":"William S. Middleton Memorial Veterans Hospital","ror":"https://ror.org/037xafn82","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210115976","https://openalex.org/I4210141342"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Prateek K. Gupta","raw_affiliation_strings":["*Department of Surgery, University of Wisconsin Hospital & Clinics, Madison, WI \u2020Department of Surgery, Creighton University, Omaha, NE \u2021Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE \u00a7Department of Medicine, William S. Middleton Memorial Veterans Hospital, Madison, WI \u2016Biostatistical Core, Creighton University, Omaha, NE","Department of Surgery, University of Wisconsin Hospital & Clinics, Madison, WI"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"*Department of Surgery, University of Wisconsin Hospital & Clinics, Madison, WI \u2020Department of Surgery, Creighton University, Omaha, NE \u2021Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE \u00a7Department of Medicine, William S. Middleton Memorial Veterans Hospital, Madison, WI \u2016Biostatistical Core, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937","https://openalex.org/I135310074","https://openalex.org/I4210141342","https://openalex.org/I59130452"]},{"raw_affiliation_string":"Department of Surgery, University of Wisconsin Hospital & Clinics, Madison, WI","institution_ids":["https://openalex.org/I135310074","https://openalex.org/I2799905417"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056474025","display_name":"Abhishek Sundaram","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abhishek Sundaram","raw_affiliation_strings":["Department of Surgery, Creighton University, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071788426","display_name":"Jason MacTaggart","orcid":"https://orcid.org/0000-0003-1204-699X","observed_orcids":["https://orcid.org/0000-0003-1204-699X"]},"institutions":[{"id":"https://openalex.org/I4210155874","display_name":"VA Nebraska Western Iowa Health Care System","ror":"https://ror.org/0594ske86","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210117924","https://openalex.org/I4210155874"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jason N. MacTaggart","raw_affiliation_strings":["Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE","institution_ids":["https://openalex.org/I4210155874","https://openalex.org/I59130452"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029093958","display_name":"Jason Michael Johanning","orcid":"https://orcid.org/0000-0002-2612-0954","observed_orcids":["https://orcid.org/0000-0002-2612-0954"]},"institutions":[{"id":"https://openalex.org/I4210155874","display_name":"VA Nebraska Western Iowa Health Care System","ror":"https://ror.org/0594ske86","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210117924","https://openalex.org/I4210155874"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jason M. Johanning","raw_affiliation_strings":["Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE","institution_ids":["https://openalex.org/I4210155874","https://openalex.org/I59130452"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Himani Gupta","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141342","display_name":"William S. Middleton Memorial Veterans Hospital","ror":"https://ror.org/037xafn82","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210115976","https://openalex.org/I4210141342"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Himani Gupta","raw_affiliation_strings":["Department of Medicine, William S. Middleton Memorial Veterans Hospital, Madison, WI"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, William S. Middleton Memorial Veterans Hospital, Madison, WI","institution_ids":["https://openalex.org/I4210141342"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085368632","display_name":"Xiang Fang","orcid":"https://orcid.org/0000-0002-9170-0293","observed_orcids":["https://orcid.org/0000-0002-9170-0293"]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiang Fang","raw_affiliation_strings":["Biostatistical Core, Creighton University, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biostatistical Core, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061598960","display_name":"Robert Armour Forse","orcid":"https://orcid.org/0000-0003-4374-5558","observed_orcids":["https://orcid.org/0000-0003-4374-5558"]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert Armour Forse","raw_affiliation_strings":["Department of Surgery, Creighton University, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033350926","display_name":"Marcus W. Balters","orcid":"https://orcid.org/0000-0003-2887-5581","observed_orcids":["https://orcid.org/0000-0003-2887-5581"]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Marcus Balters","raw_affiliation_strings":["Department of Surgery, Creighton University, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103373521","display_name":"Gernon Matthew Longo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210155874","display_name":"VA Nebraska Western Iowa Health Care System","ror":"https://ror.org/0594ske86","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210117924","https://openalex.org/I4210155874"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gernon Matthew Longo","raw_affiliation_strings":["Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE","institution_ids":["https://openalex.org/I4210155874","https://openalex.org/I59130452"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112683338","display_name":"Jeffrey T. Sugimoto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I114493937","display_name":"Creighton University","ror":"https://ror.org/05wf30g94","country_code":"US","type":"education","lineage":["https://openalex.org/I114493937"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey T. Sugimoto","raw_affiliation_strings":["Department of Surgery, Creighton University, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Creighton University, Omaha, NE","institution_ids":["https://openalex.org/I114493937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109922980","display_name":"Thomas G. Lynch","orcid":"https://orcid.org/0000-0002-5468-5725","observed_orcids":["https://orcid.org/0000-0002-5468-5725"]},"institutions":[{"id":"https://openalex.org/I4210155874","display_name":"VA Nebraska Western Iowa Health Care System","ror":"https://ror.org/0594ske86","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210117924","https://openalex.org/I4210155874"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas G. Lynch","raw_affiliation_strings":["Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE","institution_ids":["https://openalex.org/I4210155874","https://openalex.org/I59130452"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077701768","display_name":"Iraklis I. Pipinos","orcid":"https://orcid.org/0000-0001-6873-6346","observed_orcids":["https://orcid.org/0000-0001-6873-6346"]},"institutions":[{"id":"https://openalex.org/I4210155874","display_name":"VA Nebraska Western Iowa Health Care System","ror":"https://ror.org/0594ske86","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210117924","https://openalex.org/I4210155874"]},{"id":"https://openalex.org/I59130452","display_name":"University of Nebraska Medical Center","ror":"https://ror.org/00thqtb16","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I59130452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Iraklis I. Pipinos","raw_affiliation_strings":["Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Surgery, University of Nebraska Medical Center, and VA Nebraska and Western Iowa Health Care System, Omaha, NE","institution_ids":["https://openalex.org/I4210155874","https://openalex.org/I59130452"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5076308776"],"corresponding_institution_ids":["https://openalex.org/I114493937","https://openalex.org/I135310074","https://openalex.org/I2799905417","https://openalex.org/I4210141342","https://openalex.org/I59130452"],"apc_list":null,"apc_paid":null,"fwci":7.3156,"has_fulltext":false,"cited_by_count":112,"citation_normalized_percentile":{"value":0.97843532,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"258","issue":"6","first_page":"1096","last_page":"1102"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11930","display_name":"Cardiac, Anesthesia and Surgical Outcomes","score":0.576200008392334,"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/T11930","display_name":"Cardiac, Anesthesia and Surgical Outcomes","score":0.576200008392334,"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/T10693","display_name":"Blood transfusion and management","score":0.33570000529289246,"subfield":{"id":"https://openalex.org/subfields/2704","display_name":"Biochemistry (medical)"},"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/T10983","display_name":"Aortic aneurysm repair treatments","score":0.022099999710917473,"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/preoperative-anemia","display_name":"preoperative anemia","score":0.9990000128746033},{"id":"https://openalex.org/keywords/hematocrit","display_name":"hematocrit","score":0.9070000052452087},{"id":"https://openalex.org/keywords/postoperative-mortality","display_name":"postoperative mortality","score":0.9269999861717224},{"id":"https://openalex.org/keywords/adverse-cardiac-events","display_name":"adverse cardiac events","score":0.9369999766349792},{"id":"https://openalex.org/keywords/elderly-patients","display_name":"elderly patients","score":0.8040000200271606},{"id":"https://openalex.org/keywords/elective-vascular-surgery","display_name":"elective vascular surgery","score":0.8579999804496765},{"id":"https://openalex.org/keywords/endovascular-procedures","display_name":"endovascular intervention","score":0.9269999861717224},{"id":"https://openalex.org/keywords/cardiac-arrest","display_name":"cardiac arrest","score":0.824999988079071},{"id":"https://openalex.org/keywords/myocardial-infarction","display_name":"myocardial infarction","score":0.996999979019165},{"id":"https://openalex.org/keywords/preoperative-care","display_name":"preoperative care","score":0.9129999876022339}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9853063821792603},{"id":"https://openalex.org/C2778248108","wikidata":"https://www.wikidata.org/wiki/Q5445","display_name":"Anemia","level":2,"score":0.675767719745636},{"id":"https://openalex.org/C197934379","wikidata":"https://www.wikidata.org/wiki/Q2047938","display_name":"Adverse effect","level":2,"score":0.6361778378486633},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.3972858190536499},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.3528992533683777},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.2845655381679535}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000740","descriptor_name":"Anemia","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006331","descriptor_name":"Heart Diseases","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011183","descriptor_name":"Postoperative Complications","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D011379","descriptor_name":"Prognosis","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":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014656","descriptor_name":"Vascular Surgical Procedures","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":true},{"descriptor_ui":"D017558","descriptor_name":"Elective Surgical Procedures","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":true},{"descriptor_ui":"D057234","descriptor_name":"Preoperative Period","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1097/sla.0b013e318288e957","doi":"https://doi.org/10.1097/sla.0b013e318288e957","is_oa":false,"landing_page_url":"https://doi.org/10.1097/sla.0b013e318288e957","pdf_url":null,"source":{"id":"https://openalex.org/S157664895","display_name":"Annals of Surgery","issn_l":"0003-4932","issn":["0003-4932","1528-1140"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Surgery","raw_type":"journal-article"},{"id":"pmid:23511839","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23511839","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":"Annals of surgery","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[{"id":"https://openalex.org/G7487902188","display_name":"Mitochondrial dysfunction, oxidative damage and inflammation in claudication","funder_award_id":"R01AG034995","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"}],"funders":[{"id":"https://openalex.org/F4320337337","display_name":"National Institute on Aging","ror":"https://ror.org/049v75w11"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1769637134","https://openalex.org/W1966009279","https://openalex.org/W1967512627","https://openalex.org/W1998640784","https://openalex.org/W2022004676","https://openalex.org/W2037347063","https://openalex.org/W2038774050","https://openalex.org/W2043380461","https://openalex.org/W2049036705","https://openalex.org/W2061677561","https://openalex.org/W2062708059","https://openalex.org/W2071938675","https://openalex.org/W2088071732","https://openalex.org/W2092920190","https://openalex.org/W2096876696","https://openalex.org/W2109673680","https://openalex.org/W2111343300","https://openalex.org/W2123200029","https://openalex.org/W2127142369","https://openalex.org/W2127963725","https://openalex.org/W2140043294","https://openalex.org/W2140136269","https://openalex.org/W2141218183","https://openalex.org/W2153291863","https://openalex.org/W2170771199","https://openalex.org/W2400191399","https://openalex.org/W3034355295","https://openalex.org/W4242329867","https://openalex.org/W4244992915","https://openalex.org/W6712584824"],"related_works":["https://openalex.org/W2235095684","https://openalex.org/W2005029399","https://openalex.org/W2167623952","https://openalex.org/W2111343300","https://openalex.org/W2004681149","https://openalex.org/W35143261","https://openalex.org/W2089131779","https://openalex.org/W2898742515","https://openalex.org/W2087757293","https://openalex.org/W7014560284"],"abstract_inverted_index":{"OBJECTIVE:":[0],"The":[1,106,206],"objective":[2],"of":[3,11,89,111,121,135,151,190,198,210,238,244],"this":[4],"study":[5,137],"was":[6,139],"to":[7,66,157],"assess":[8],"the":[9,86,103,136,158,168,187,202],"impact":[10],"preoperative":[12,211,245],"anemia":[13,36,67,212,239],"(hematocrit":[14],"<39%)":[15],"on":[16],"postoperative":[17,49,145,192],"30-day":[18,114,191,217],"mortality":[19,115,146,193],"and":[20,53,68,108,116,147,153,160,208,219,232,236],"adverse":[21,40,220],"cardiac":[22,43,124,148,221],"events":[23,222],"in":[24,155,163,186,223],"patients":[25,61,142,164,224,248],"65":[26,225],"years":[27,226],"or":[28,123,128,227],"older":[29,228],"undergoing":[30,229,249],"elective":[31,230],"vascular":[32,76,250],"procedures.":[33,77,234],"BACKGROUND:":[34],"Preoperative":[35],"is":[37,56],"associated":[38,215],"with":[39,48,165,216],"outcomes":[41,50,110],"after":[42,51,75],"surgery,":[44],"but":[45],"its":[46],"association":[47],"open":[52,231],"endovascular":[54,233],"procedures":[55],"not":[57],"well":[58],"established.":[59],"Elderly":[60],"have":[62],"a":[63,117,144,179],"decreased":[64],"tolerance":[65],"are":[69,213],"at":[70],"high":[71],"risk":[72,189],"for":[73,194,247],"complications":[74],"METHODS:":[78],"Patients":[79],"(N":[80],"=":[81],"31,857)":[82],"were":[83,113],"identified":[84],"from":[85,201],"American":[87],"College":[88],"Surgeons'":[90],"2007-2009":[91],"National":[92],"Surgical":[93],"Quality":[94],"Improvement":[95],"Program-a":[96],"prospective,":[97],"multicenter":[98],"(>250)":[99],"database":[100],"maintained":[101],"across":[102],"United":[104],"States.":[105],"primary":[107],"secondary":[109],"interest":[112],"composite":[118],"end":[119],"point":[120,197],"death":[122,218],"event":[125,149],"(cardiac":[126],"arrest":[127],"myocardial":[129],"infarction),":[130],"respectively.":[131],"RESULTS:":[132],"Forty-seven":[133],"percent":[134],"population":[138],"anemic.":[140],"Anemic":[141],"had":[143],"rate":[150],"2.4%":[152],"2.3%":[154],"contrast":[156],"1.2%":[159],"1.2%,":[161],"respectively,":[162],"hematocrit":[166,199],"within":[167],"normal":[169,203],"range":[170],"(P":[171],"<":[172],"0.0001).":[173],"On":[174],"multivariate":[175],"analysis,":[176],"we":[177],"found":[178],"4.2%":[180],"(95%":[181],"confidence":[182],"interval,":[183],"1.9-6.5)":[184],"increase":[185],"adjusted":[188],"every":[195],"percentage":[196],"decrease":[200],"range.":[204],"CONCLUSIONS:":[205],"presence":[207],"degree":[209],"independently":[214],"Identification":[235],"treatment":[237],"should":[240],"be":[241],"important":[242],"components":[243],"care":[246],"operations.":[251]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":14},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}