{"id":"https://openalex.org/W2043748558","doi":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","title":"Effect of Different Preoperative Patient Characteristics on Coronary Surgery Outcome: A Comparative Study Between a Developing and a Developed Country","display_name":"Effect of Different Preoperative Patient Characteristics on Coronary Surgery Outcome: A Comparative Study Between a Developing and a Developed Country","publication_year":2008,"publication_date":"2008-09-12","ids":{"openalex":"https://openalex.org/W2043748558","doi":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","mag":"2043748558","pmid":"https://pubmed.ncbi.nlm.nih.gov/18793237"},"language":"en","primary_location":{"id":"doi:10.1111/j.1540-8191.2008.00717.x","doi":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","is_oa":true,"landing_page_url":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/j.1540-8191.2008.00717.x","source":{"id":"https://openalex.org/S187579785","display_name":"Journal of Cardiac Surgery","issn_l":"0886-0440","issn":["0886-0440","1540-8191"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiac Surgery","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/j.1540-8191.2008.00717.x","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053644842","display_name":"Sameh Sayed","orcid":"https://orcid.org/0000-0003-2909-244X","observed_orcids":["https://orcid.org/0000-0003-2909-244X"]},"institutions":[{"id":"https://openalex.org/I34809795","display_name":"Medizinische Hochschule Hannover","ror":"https://ror.org/00f2yqf98","country_code":"DE","type":"education","lineage":["https://openalex.org/I34809795"]},{"id":"https://openalex.org/I4210123884","display_name":"Assiut University Hospitals","ror":"https://ror.org/02w5pxz31","country_code":"EG","type":"education","lineage":["https://openalex.org/I4210123884"]},{"id":"https://openalex.org/I91041137","display_name":"Assiut University","ror":"https://ror.org/01jaj8n65","country_code":"EG","type":"education","lineage":["https://openalex.org/I91041137"]}],"countries":["DE","EG"],"is_corresponding":true,"raw_author_name":"Sameh Sayed","raw_affiliation_strings":["Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover, Germany. samsayed@mailcity.com","Department of Cardiothoracic Surgery, Assiut University Hospital, Assiut, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover, Germany. samsayed@mailcity.com","institution_ids":["https://openalex.org/I34809795"]},{"raw_affiliation_string":"Department of Cardiothoracic Surgery, Assiut University Hospital, Assiut, Egypt","institution_ids":["https://openalex.org/I4210123884","https://openalex.org/I91041137"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103337920","display_name":"Stefan Fischer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I34809795","display_name":"Medizinische Hochschule Hannover","ror":"https://ror.org/00f2yqf98","country_code":"DE","type":"education","lineage":["https://openalex.org/I34809795"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stefan Fischer","raw_affiliation_strings":["Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover,Germany","institution_ids":["https://openalex.org/I34809795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112252883","display_name":"Matthias Karck","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802164966","display_name":"University Hospital Heidelberg","ror":"https://ror.org/013czdx64","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2802164966"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Karck","raw_affiliation_strings":["Department of Cardiac Surgery, Heidelberg University Hospital, Heidelberg,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiac Surgery, Heidelberg University Hospital, Heidelberg,Germany","institution_ids":["https://openalex.org/I2802164966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043557320","display_name":"Ahmed Hassouna","orcid":"https://orcid.org/0000-0001-8472-277X","observed_orcids":["https://orcid.org/0000-0001-8472-277X"]},"institutions":[{"id":"https://openalex.org/I4210095063","display_name":"Ain Shams University Hospital","ror":"https://ror.org/00p59qs14","country_code":"EG","type":"healthcare","lineage":["https://openalex.org/I4210095063"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Ahmed Hassouna","raw_affiliation_strings":["Department of Cardiothoracic Surgery, Ain Shams University Hospital, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiothoracic Surgery, Ain Shams University Hospital, Cairo, Egypt","institution_ids":["https://openalex.org/I4210095063"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109839319","display_name":"Axel Haverich","orcid":"https://orcid.org/0000-0002-0991-2650","observed_orcids":["https://orcid.org/0000-0002-0991-2650"]},"institutions":[{"id":"https://openalex.org/I34809795","display_name":"Medizinische Hochschule Hannover","ror":"https://ror.org/00f2yqf98","country_code":"DE","type":"education","lineage":["https://openalex.org/I34809795"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Axel Haverich","raw_affiliation_strings":["Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover,Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Cardiothoracic and Vascular Surgery, Hannover Medical School, Hannover,Germany","institution_ids":["https://openalex.org/I34809795"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5053644842"],"corresponding_institution_ids":["https://openalex.org/I34809795","https://openalex.org/I4210123884","https://openalex.org/I91041137"],"apc_list":{"value":2700,"currency":"USD","value_usd":2700},"apc_paid":null,"fwci":1.091,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.77137605,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"24","issue":"3","first_page":"275","last_page":"280"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.9814000129699707,"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"}},"topics":[{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.9814000129699707,"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/T11930","display_name":"Cardiac, Anesthesia and Surgical Outcomes","score":0.014600000344216824,"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/T10193","display_name":"Coronary Interventions and Diagnostics","score":0.0017999999690800905,"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/coronary-artery-bypass-grafting","display_name":"coronary artery bypass grafting","score":0.925000011920929},{"id":"https://openalex.org/keywords/preoperative-risk-factors","display_name":"preoperative risk factors","score":0.9269999861717224},{"id":"https://openalex.org/keywords/coronary-artery-disease","display_name":"coronary artery disease","score":0.8709999918937683},{"id":"https://openalex.org/keywords/in-hospital-mortality","display_name":"in-hospital mortality","score":0.9470000267028809},{"id":"https://openalex.org/keywords/diabetes-mellitus","display_name":"diabetes mellitus","score":0.9750000238418579},{"id":"https://openalex.org/keywords/chronic-obstructive-pulmonary-disease","display_name":"chronic obstructive pulmonary disease","score":1.0},{"id":"https://openalex.org/keywords/mechanical-ventilation","display_name":"mechanical ventilation","score":0.902999997138977},{"id":"https://openalex.org/keywords/nyha-functional-class","display_name":"NYHA functional class","score":0.777999997138977},{"id":"https://openalex.org/keywords/left-ventricular-ejection-fraction","display_name":"left ventricular ejection fraction","score":0.9990000128746033},{"id":"https://openalex.org/keywords/icu-length-of-stay","display_name":"ICU length of stay","score":0.7110000252723694},{"id":"https://openalex.org/keywords/egypt","display_name":"Egypt","score":0.6959999799728394},{"id":"https://openalex.org/keywords/germany","display_name":"Germany","score":0.9829999804496765}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9655340909957886},{"id":"https://openalex.org/C148220186","wikidata":"https://www.wikidata.org/wiki/Q7111912","display_name":"Outcome (game theory)","level":2,"score":0.5869041681289673},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000367","descriptor_name":"Age Factors","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":"D001026","descriptor_name":"Coronary Artery Bypass","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D003324","descriptor_name":"Coronary Artery Disease","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D003906","descriptor_name":"Developing Countries","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004534","descriptor_name":"Egypt","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005500","descriptor_name":"Follow-Up Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005858","descriptor_name":"Germany","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007431","descriptor_name":"Intraoperative Complications","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D007902","descriptor_name":"Length of Stay","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"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":"D012121","descriptor_name":"Respiration, Artificial","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective 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":"D015994","descriptor_name":"Incidence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017052","descriptor_name":"Hospital Mortality","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019049","descriptor_name":"Developed Countries","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D029424","descriptor_name":"Pulmonary Disease, Chronic Obstructive","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D029424","descriptor_name":"Pulmonary Disease, Chronic Obstructive","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D048909","descriptor_name":"Diabetes Complications","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D048909","descriptor_name":"Diabetes Complications","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1540-8191.2008.00717.x","doi":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","is_oa":true,"landing_page_url":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/j.1540-8191.2008.00717.x","source":{"id":"https://openalex.org/S187579785","display_name":"Journal of Cardiac Surgery","issn_l":"0886-0440","issn":["0886-0440","1540-8191"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiac Surgery","raw_type":"journal-article"},{"id":"pmid:18793237","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18793237","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":"Journal of cardiac surgery","raw_type":"Comparative Study"}],"best_oa_location":{"id":"doi:10.1111/j.1540-8191.2008.00717.x","doi":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","is_oa":true,"landing_page_url":"https://doi.org/10.1111/j.1540-8191.2008.00717.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/j.1540-8191.2008.00717.x","source":{"id":"https://openalex.org/S187579785","display_name":"Journal of Cardiac Surgery","issn_l":"0886-0440","issn":["0886-0440","1540-8191"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiac Surgery","raw_type":"journal-article"},"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":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2043748558.pdf","grobid_xml":"https://content.openalex.org/works/W2043748558.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W43899147","https://openalex.org/W79619738","https://openalex.org/W1523320599","https://openalex.org/W2030484188","https://openalex.org/W2032885670","https://openalex.org/W2071090321","https://openalex.org/W2091543117","https://openalex.org/W2096528998","https://openalex.org/W2107703171","https://openalex.org/W2122635258","https://openalex.org/W2163702203","https://openalex.org/W2413799160","https://openalex.org/W2418600856","https://openalex.org/W4250670702"],"related_works":["https://openalex.org/W1417951183","https://openalex.org/W2023063033","https://openalex.org/W2117695142","https://openalex.org/W2081594319","https://openalex.org/W3144160738","https://openalex.org/W1988240938","https://openalex.org/W2885477837","https://openalex.org/W2067960085","https://openalex.org/W3160758808","https://openalex.org/W2155176028"],"abstract_inverted_index":{"OBJECTIVES:":[0],"To":[1],"evaluate":[2],"the":[3,6,11,116,131,142,155,170,177,209,214,226],"impact":[4],"of":[5,13,100,115,130,141,154,173,229,240],"preoperative":[7],"patient":[8],"characteristics":[9],"on":[10],"results":[12],"coronary":[14,32,43,241],"surgery":[15,44,245],"in":[16,55,120,135,208,213,232,246],"a":[17,22,98],"developing":[18],"country":[19],"compared":[20,63],"with":[21,64],"developed":[23],"country.":[24],"PATIENTS":[25],"AND":[26],"METHODS:":[27],"Preoperative":[28],"risk":[29,101],"factors":[30,102],"for":[31,42,88],"artery":[33,242],"disease":[34,109],"(CAD)":[35],"and":[36,38,60,75,82,111,162,166,187,196,201,221],"intraoperative":[37],"immediate":[39],"postoperative":[40],"variables":[41],"were":[45,49,91,95,134],"compared.":[46],"Sixty":[47],"patients":[48,66,118,133,144,157,179,191],"operated":[50,67],"at":[51,68],"Ain":[52],"Shams":[53],"University":[54],"Cairo":[56],"(Egypt)":[57],"between":[58,73,160],"March":[59,74],"September":[61,76],"1999,":[62],"60":[65],"Hannover":[69],"medical":[70],"school":[71],"(Germany)":[72],"2001.":[77],"By":[78],"using":[79],"univariate":[80],"analysis":[81],"multivariate":[83],"logistic":[84],"regression,":[85],"model":[86],"predictors":[87,172,228],"hospital":[89,174,202,230],"mortality":[90,175,205,231],"determined.":[92],"RESULTS:":[93],"Groups":[94],"comparable":[96],"regarding":[97],"majority":[99],"except":[103],"age,":[104],"diabetes,":[105],"chronic":[106],"obstructive":[107],"pulmonary":[108],"(COPD),":[110],"hypertension.":[112],"Seventy":[113],"percent":[114,140],"Egyptian":[117,156,178,190,210],"presented":[119],"New":[121],"York":[122],"Heart":[123],"Association":[124],"(NYHA)":[125],"class":[126,137],"III,":[127],"whereas":[128,152],"50%":[129],"German":[132,143,215],"NYHA":[136],"II.":[138],"Fifty":[139],"showed":[145],"left":[146],"ventricular":[147],"ejection":[148],"fraction":[149],"(LVEF)":[150],">60%,":[151],"52%":[153],"had":[158],"LVEF":[159],"40%":[161],"59%.":[163],"Diabetes":[164,218],"(56.6%)":[165],"COPD":[167],"(43.3%)":[168],"are":[169,225],"major":[171,227],"among":[176],"as":[180],"proved":[181],"by":[182],"high":[183],"odds":[184],"ratio":[185],"(4.6":[186],"3.4,":[188],"respectively).":[189],"required":[192],"prolonged":[193,222],"mechanical":[194,223],"ventilation":[195,224],"extended":[197],"intensive":[198],"care":[199],"unit":[200],"stay.":[203],"Hospital":[204],"was":[206],"6.7%":[207],"versus":[211],"1.7%":[212],"group.":[216],"CONCLUSION:":[217],"mellitus,":[219],"COPD,":[220],"Egypt.":[233],"This":[234],"study":[235],"tries":[236],"to":[237],"underline":[238],"problems":[239],"bypass":[243],"graft":[244],"different":[247],"populations.":[248]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}