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Incidence and Predictors of Cardiovascular Complications and Death after Vascular Surgery / Incidência e Preditores de Complicações Cardiovasculares e Óbito após Cirurgia Vascular Arterial
Smeili, Luciana Andrea Avena; Lotufo, Paulo Andrade.
  • Smeili, Luciana Andrea Avena; USP. Hospital Universitário. São Paulo. BR
  • Lotufo, Paulo Andrade; USP. Hospital Universitário. São Paulo. BR
Arq. bras. cardiol ; 105(5): 510-518, Nov. 2015. tab, graf
Article in English | LILACS | ID: lil-764991
ABSTRACT
AbstractBackground:Patients undergoing arterial vascular surgery are considered at increased risk for post-operative complications.Objective:To assess the incidence and predictors of complications and death, as well as the performance of two models of risk stratification, in vascular surgery.Methods:This study determined the incidence of cardiovascular complications and deaths within 30 days from surgery in adults. Univariate comparison and logistic regression assessed the risk factors associated with the outcomes, and the receiver operating characteristic (ROC) curve assessed the discriminatory capacity of the revised cardiac risk index (RCRI) and vascular study group of New England cardiac risk index (VSG-CRI).Results:141 patients (mean age, 66 years; 65% men) underwent the following surgeries: carotid (15); lower limbs (65); abdominal aorta (56); and others (5). Cardiovascular complications and death occurred within 30 days in 28 (19.9%) and 20 (14.2%) patients, respectively. The risk predictors were: age, obesity, stroke, poor functional capacity, altered scintigraphy, surgery of the aorta, and troponin change. The scores RCRI and VSG-CRI had area under the curve of 0.635 and 0.639 for early cardiovascular complications, and 0.562 and 0.610 for death in 30 days.Conclusion:In this small and selected group of patients undergoing arterial vascular surgery, the incidence of adverse events was elevated. The risk assessment indices RCRI and VSG-CRI did not perform well for complications within 30 days.
RESUMO
ResumoFundamento:Pacientes submetidos à cirurgia vascular arterial são considerados de risco aumentado para complicações no pós-operatório.Objetivo:Avaliar incidência e preditores de complicações e óbito, assim como o desempenho de dois modelos de estratificação de risco, em cirurgia vascular.Métodos:Em pacientes adultos, determinou-se a incidência de complicações cardiovasculares e óbitos em 30 dias. Comparações univariadas e regressão logística avaliaram os fatores de risco associados com os desfechos, e a curva ROC (receiver operating characteristic) examinou a capacidade discriminatória do índice de risco cardíaco revisado (RCRI) e do índice de risco cardíaco do grupo de cirurgia vascular da New England (VSG-CRI).Resultados:141 pacientes (idade média 66 anos, 65% homens) realizaram cirurgias de: carótida (15), membros inferiores (65), aorta abdominal (56) e outras (5). Complicações cardiovasculares e óbito em até 30 dias ocorreram em 28 (19,9%) e em 20 (14,2%) pacientes, respectivamente. Os preditores de risco foram: idade, obesidade, acidente vascular cerebral, capacidade funcional ruim, cintilografia alterada, cirurgia de aorta e alteração de troponina. Os escores RCRI e VSG-CRI apresentaram AUC (area under the curve) de 0,635 e 0,639 para complicações cardiovasculares precoces e 0,562 e 0,610 para óbito em 30 dias.Conclusões:Nesse grupo pequeno e selecionado submetido à cirurgia vascular arterial, a incidência de eventos adversos foi elevada. Para complicações em até 30 dias, os índices de avaliação de risco RCRI e VSG-CRI não apresentaram boa performance.
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Full text: Available Index: LILACS (Americas) Main subject: Vascular Diseases / Vascular Surgical Procedures / Cardiovascular Diseases / Risk Assessment Type of study: Etiology study / Incidence study / Prognostic study / Risk factors / Screening study Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: USP/BR

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Full text: Available Index: LILACS (Americas) Main subject: Vascular Diseases / Vascular Surgical Procedures / Cardiovascular Diseases / Risk Assessment Type of study: Etiology study / Incidence study / Prognostic study / Risk factors / Screening study Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: USP/BR