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Войти в исследования European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2000
Surgical angioplasty with exclusion of atheromatous plaques in case of diffuse disease of the left anterior descending artery: 2 years' follow-up.
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Barra J A, Bezon E, Mondine P, Resk A, Gilard M, Mansourati J, Boshat J
Аннотация
OBJECTIVE: A new surgical technique of coronary artery angioplasty for diffuse and extensive lesions of the left anterior descending artery (LAD) is evaluated in this study.
METHOD: Ninety-four coronary artery reconstructions (CAR) using a new technique of angioplasty of the LAD were performed: mean age of patients was 59+/-8 years, there were 21 patients with unstable angina, and 21 with recent myocardial infarction (MI).
SURGICAL TECHNIQUE: Diseased LAD is bypassed with the internal thoracic artery graft (ITA). The anastomosis is made downstream from the significant proximal lesion of the LAD. A long arteriotomy (from 2 to 12 cm) is performed along the LAD up to the healthy arterial wall, followed by coverage with the onlay graft of ITA in such a fashion as to exclude the plaques from the LAD lumen. The wall of the new reconstructed LAD consisted of 75% of ITA and 25% of native LAD. The remaining part of the native LAD forms a posterior gutter giving the origins of septal and diagonal branches.
RESULTS: aortic cross-clamping time was 116 min, operative mortality rate was 3.2% (three patients), peri-operative infarction rate 6.6% (six patients). The follow-up was 29 months (SD=10). Of the 91 survivors, two were lost for follow-up and one died of non-cardiac causes. Of the 88 patients clinically evaluated, 81 were free from angina and other cardiac events, two had new myocardial infarction in a non-grafted area, two were in congestive heart failure, and three in angina class II. Sixty patients underwent angiography. There were 57 perfect-patency CAR (95%), two ITA string sign (competitive flow), two ITA occlusions (2.5%) and no re-stenosis.
CONCLUSIONS: CAR allows revascularisation of diffusely diseased LAD with acceptable operative mortality and morbidity, 2 years' good clinical results and graft patency. In this series, exclusion of plaques prevented plaque complications.
METHOD: Ninety-four coronary artery reconstructions (CAR) using a new technique of angioplasty of the LAD were performed: mean age of patients was 59+/-8 years, there were 21 patients with unstable angina, and 21 with recent myocardial infarction (MI).
SURGICAL TECHNIQUE: Diseased LAD is bypassed with the internal thoracic artery graft (ITA). The anastomosis is made downstream from the significant proximal lesion of the LAD. A long arteriotomy (from 2 to 12 cm) is performed along the LAD up to the healthy arterial wall, followed by coverage with the onlay graft of ITA in such a fashion as to exclude the plaques from the LAD lumen. The wall of the new reconstructed LAD consisted of 75% of ITA and 25% of native LAD. The remaining part of the native LAD forms a posterior gutter giving the origins of septal and diagonal branches.
RESULTS: aortic cross-clamping time was 116 min, operative mortality rate was 3.2% (three patients), peri-operative infarction rate 6.6% (six patients). The follow-up was 29 months (SD=10). Of the 91 survivors, two were lost for follow-up and one died of non-cardiac causes. Of the 88 patients clinically evaluated, 81 were free from angina and other cardiac events, two had new myocardial infarction in a non-grafted area, two were in congestive heart failure, and three in angina class II. Sixty patients underwent angiography. There were 57 perfect-patency CAR (95%), two ITA string sign (competitive flow), two ITA occlusions (2.5%) and no re-stenosis.
CONCLUSIONS: CAR allows revascularisation of diffusely diseased LAD with acceptable operative mortality and morbidity, 2 years' good clinical results and graft patency. In this series, exclusion of plaques prevented plaque complications.