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1.
Arq. bras. cardiol ; 77(6): 549-561, Dec. 2001. tab
Article Dans Anglais | LILACS, SES-SP | ID: lil-303374

Résumé

OBJECTIVE - This analysis was undertaken to determine the composite incidence of cumulative adverse events (death, reinfarction, disabling stroke, and target vessel revascularization) at the end of the first year after acute myocardial infarction, in diabetic patients who underwent coronary stenting or primary coronary balloon angioplasty. METHODS - From the STENT PAMI trial, we analyzed the 6-month angiographic and 1-year clinical outcomes of 135 diabetic (112, noninsulin dependent) patients who underwent the randomization process of the trial and compared them with 758 nondiabetic patients. RESULTS - Coronary stenting did not significantly reduce the primary composite clinical end point when compared with PTCA (20 vs. 30 percent, p=0.2). A significant benefit from stenting was observed in patients with noninsulin dependent diabetes, with a trend toward a lesser need for new revascularization procedures (10 vs. 21 percent, p<.001), with a significant reduction in the primary composite clinical end point at 1 year (12 vs. 28 percent, p=. 04). At 6 months, the restenosis rate were significantly reduced only in nondiabetic patients (18 vs. 33 percent, p<. 001). Diabetic patients had the same restenosis rate (38 percent) either with stenting or balloon PTCA. CONCLUSIONS - Coronary Stenting in diabetics noninsulin dependent offered a significant reduction in the composite incidence of major clinical adverse events compared with balloon PTCA


Sujets)
Humains , Mâle , Femelle , Adulte d'âge moyen , Endoprothèses , Angiopathies diabétiques/thérapie , Angioplastie coronaire par ballonnet , Infarctus du myocarde/thérapie , Études transversales , Études de suivi , Résultat thérapeutique , Coronarographie , Angiopathies diabétiques , Loi du khi-deux , Infarctus du myocarde
2.
Arq. bras. cardiol ; 75(6): 499-514, Dec. 2000. tab
Article Dans Portugais, Anglais | LILACS, SES-SP | ID: lil-275433

Résumé

OBJECTIVE: To compare the outcome of balloon PTCA with final coronary stenosis diameter (SD) <=30 percent, with elective coronary stenting. METHODS: We performed a comparative analysis of the 6 month outcomes in patients treated with primary stenting and those who obtained an optimal balloon PTCA result treated during the first 12 hours of AMI onset included in the STENT PAMI randomized trial. RESULTS: The results were analysed into 3 groups: primary stenting (441 patients, SD=22 + or - 6 percent), optimal PTCA (245 patients), and nonoptimal PTCA (182 patients, SD= 37 + or - 5 percent). At the end of the 6 months primary stent group presented with the lowest restenosis(23 vs. 31 vs. 45 percent, p=0.001, respectively). Ischemia-driven target vessel revascularization rate (TVR) (7 vs. 15.5 vs. 19 percent, p=0.001, respectively). CONCLUSION: At the 6 month follow-up, primary stenting offered the lowest restenosis and ischemia-driven TVR rates. Compared to optimal balloon PTCA. Nonoptimal primary balloon PTCA pts (SD=31-50 percent), had the worst late angiographic outcomes and should be treated more actively with coronary stent implantation


Sujets)
Humains , Mâle , Femelle , Adulte d'âge moyen , Angioplastie coronaire par ballonnet , Endoprothèses , Infarctus du myocarde/thérapie , Angioplastie coronaire par ballonnet/mortalité , Endoprothèses , Infarctus du myocarde/mortalité , Revascularisation myocardique
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