Jornal Vascular Brasileiro
https://app.periodikos.com.br/journal/jvb/article/doi/10.1590/1677-5449.0118
Jornal Vascular Brasileiro
Original Article

Open vs. endovascular repair of abdominal aortic aneurysm: a comparative analysis

Análise comparativa entre tratamentos convencional e endovascular de aneurisma de aorta abdominal

Samuel de Paula Miranda; Paschoal Cunha Miranda; Marília Granzotto Volpato; Maria Cláudia Folino; Antônio Massamitsu Kambara; Fábio Henrique Rossi; Nilo Mitsuru Izukawa

http://dx.doi.org/10.1590/1677-5449.0118 J Vasc Bras, vol.13, n4, p.276-284, 2014
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Abstract

Context:Abdominal aortic aneurysm (AAA) is a condition that is usually asymptomatic, but potentially fatal, and has a prevalence in men over 60 years old ranging from 4.3% to 8%. There are two treatment options available: open surgery (OS) and endovascular treatment (ET).Objective:To compare the results of repairs conducted using these two treatment methods from 2008 to 2013 in a tertiary hospital.Methods:A retrospective analysis comparing 119 patients treated with OS and 219 patients who underwent ET for AAA repair.Results:The ET group was older (71.3 vs. 68.2 years; p<0.001) and had a higher rate of coronary disease (44.7% vs. 27.7%; p=0.002) and a lower ejection fraction (57.6% vs. 64.3%; p<0.001); in turn, the OS group had more chronic obstructive pulmonary disease (16.0% vs. 5.9%; p=0.004) and a smaller proximal infrarenal neck (15.5 mm vs. 23.0 mm; p<0.001). However, there was no difference in ASA classification (American Society of Anesthesiology) (p=0.36). The ET group had less intraoperative bleeding (171 mL vs. 729 mL; p<0.001) and required fewer blood transfusions (11.9% vs. 73.1% p<0.001), and spent shorter stays in both ICU (2.4 vs. 3.5 days; p=0.002) and hospital (5.8 vs. 10.3 days; p<0.001). Thirty-day mortality was similar (OS 5.0% vs. ET 4.1%; p=0.78) and there was also no difference in postoperative complications. The average cost of ET was higher (R$34,277.76 vs. R$4,778.60; p<0.001).Conclusions:Rates of morbidity and mortality were similar, although ET was associated with less bleeding, fewer transfusions and shorter hospital stays, but was more expensive.

Keywords

abdominal aortic aneurysm, vascular surgical procedures, endovascular procedures

Resumo

Contexto:O aneurisma de aorta abdominal (AAA) é uma condição frequentemente assintomática, porém potencialmente fatal, cuja prevalência em homens com 60 anos ou mais está entre 4,3% e 8%. Existem duas modalidades de tratamento disponíveis: cirurgia aberta (TA) e endovascular (TE).Objetivo:Comparar os resultados dessas duas modalidades de tratamento, entre 2008 e 2013, em um hospital terciário.Métodos:Análise retrospectiva comparando 119 pacientes submetidos ao TA e 219 pacientes submetidos ao TE, para correção de AAA.Resultados:O grupo submetido ao TE apresentou maior idade (71,3 vs. 68,2 anos; p<0,001) e doença coronariana (44,7% vs. 27,7%; p=0,002), além de menor fração de ejeção (57,6% vs. 64,3%; p<0,001); por sua vez, o grupo submetido ao TA exibiu mais doença pulmonar obstrutiva crônica (16,0% vs. 5,9%; p=0,004) e menor colo proximal infrarrenal (15,5 mm vs. 23,0 mm; p<0,001). Entretanto, não houve diferença na classificação ASA (American Society of Anesthesiology) (p=0,36). O grupo de TE apresentou menor sangramento intraoperatório (171 mL vs. 729 mL; p<0,001), com menor necessidade de hemotransfusão (11,9% vs. 73,1% p<0,001), menor permanência em UTI (2,4 vs. 3,5 dias; p=0,002) e menor tempo de internação hospitalar (5,8 vs. 10,3 dias; p<0,001). A mortalidade em 30 dias foi semelhante (TA 5,0% vs. TE 4,1%; p=0,78), também não havendo diferença nas complicações pós-operatórias. O custo médio do TE foi maior (R$34.277,76 vs. R$4.778,60; p<0,001).Conclusão:As taxas de morbimortalidade foram semelhantes, sendo no TE o sangramento, a necessidade transfusional e a duração da internação hospitalar menores, porém com custo mais elevado.

Palavras-chave

aneurisma de aorta abdominal, procedimentos cirúrgicos vasculares, procedimentos endovasculares

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