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1.
Rev. bras. cir. cardiovasc ; 23(4): 494-500, out.-dez. 2008. graf, tab
Article in English, Portuguese | LILACS | ID: lil-506032

ABSTRACT

OBJETIVO: Avaliar os resultados a longo prazo da cirurgia de revascularização do miocárdio com o uso exclusivo de enxertos arteriais em pacientes com doença coronariana triarterial. MÉTODOS: Avaliamos 136 pacientes submetidos a cirurgia de revascularização do miocárdio isolada, no período janeiro de 1995 e dezembro de 1997. Utilizaram-se 353 enxertos para revascularizar 449 artérias (média: 3,30 por paciente). Foram utilizadas a artéria torácica interna esquerda (99,2 por cento), artéria torácica interna direita (56,6 por cento), artéria radial (87,5 por cento), artéria gastroepiplóica direita (20,5 por cento) e uma artéria epigástrica inferior. Setenta e seis (55,8 por cento) pacientes receberam enxertos compostos (em "Y") e 66 (48,5 por cento) receberam anastomoses seqüenciais. RESULTADOS: A mortalidade hospitalar foi de 4,4 por cento. No seguimento a longo prazo, (9,5 a 12,8 anos), 82,1 por cento dos pacientes não apresentaram nenhum evento cardíaco. Vinte (17,9 por cento) pacientes necessitaram de reinternação por eventos cardiovasculares; 15 com angina e cinco com infarto agudo do miocárdio, sendo que três apresentaram insuficiência cardíaca associada. Oito (7,1 por cento) pacientes necessitaram de reintervenção por doença coronariana, sendo um reoperado e os demais submetidos a angioplastia com stent. A probabilidade estimada livre de eventos cardíacos foi de 98,2 por cento, 95,4 por cento e 84,2 por cento em 1, 5 e 10 anos, respectivamente. Ocorreram 16 (14,2 por cento) óbitos tardios, sendo quatro deles (3,6 por cento) de causa cardíaca. Sobrevida actuarial em 12,8 anos por todas as causas foi de 85 por cento neste grupo. CONCLUSÃO: Revascularização do miocárdio com o uso exclusivo de enxertos arteriais em pacientes com doença coronariana triarterial é um procedimento seguro, com bons resultados a longo prazo.


OBJECTIVE: To evaluate the long-term results of the coronary artery bypass grafting with exclusive use of arterial grafts for patients with triple vessel disease. METHODS: We evaluated 136 patients who underwent isolated coronary artery bypass grafting between January 1995 and December 1997. 353 grafts were used for revascularization of 449 arteries (mean: 3.30 per patient). Grafts used were left internal thoracic artery (99.2 percent), right internal thoracic artery (56.6 percent), radial artery (87.5 percent), right gastroepiploic artery (20.5 percent) and one inferior epigastric artery. 76 (55.8 percent) patients received composite grafts ("Y" shape) and 66 (48.5 percent) patients received sequential anastomoses. RESULTS: Hospital mortality was 4.4 percent. In the long-term follow-up (9.5 to 12.8 years), 82.1 percent of the patients were free of cardiac events. 20 (17.9 percent) patients had hospital readmission due to cardiac events: 15 presented angina and five presented acute myocardial infarction, and three of them presented associated heart failure. Eigth (7.1 percent) patients needed coronary reintervention: one of them underwent coronary bypass reoperation and the others underwent coronary angioplasty with stent. Estimated probability of cardiac event-free was 98.2 percent, 95.4 percent e 84.2 percent at 1, 5 and 10 years follow-up respectively. There were 16 (14.2 percent) late deaths and four of them (3.6 percent) were cardiac-related. Actuarial 12.8-year-survival of all deaths was 85 percent in this group. CONCLUSION: Coronary artery bypass grafting with exclusive use of arterial grafts is a safe procedure for patients with triple vessel coronary disease with good long-term results.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Coronary Artery Bypass/methods , Coronary Artery Disease/surgery , Gastroepiploic Artery/transplantation , Mammary Arteries/transplantation , Radial Artery/transplantation , Angina Pectoris/epidemiology , Angina Pectoris/etiology , Brazil/epidemiology , Coronary Artery Bypass/adverse effects , Coronary Artery Bypass/mortality , Follow-Up Studies , Hospital Mortality , Myocardial Infarction/epidemiology , Myocardial Infarction/etiology , Reoperation/statistics & numerical data , Survival Analysis , Treatment Outcome
2.
Article in English | IMSEAR | ID: sea-41883

ABSTRACT

The use of arterial conduits in surgical treatment of coronary heart disease has been widely used. As we all know that saphenous vein graft occluded more than 50 per cent after 10 years. Most arterial conduits come from internal mammary artery, radial artery than been used for decades. Another arterial conduit, the right gastroepiploic artery (GEA), is now more popular among cardiac surgeons. This artery can be used along with other arterial conduit for "all arterial coronary bypass surgery" with better long-term patency. We reviewed the recent reports on GEA and to add on our experience on this subject.


Subject(s)
Coronary Artery Bypass , Coronary Artery Disease/surgery , Gastroepiploic Artery/transplantation , Humans
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