American heart journal · 2008
Drug-eluting stents in octogenarians: early and intermediate outcome.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
Обработка статьи · этапы, ошибки и управление
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Vlaar Pieter J, Lennon Ryan J, Rihal Charanjit S, Singh Mandeep, Ting Henry H, Bresnahan John F, Holmes David R
Аннотация
BACKGROUND: Large randomized controlled trials have demonstrated that percutaneous coronary intervention with the routine use of drug-eluting stents is safe and effective. However, octogenarians are usually excluded from these trials.
METHODS: We analyzed 2453 consecutive patients who underwent DES implantation at the Mayo Clinic (Rochester, MN). The patients were classified in 2 age groups: patients > or = 80 years of age < or = 79 years of age.
RESULTS: Patients > or = 80 years old had significantly more adverse baseline characteristics including more comorbid conditions and more severe extensive coronary artery disease. Procedural success was high irrespective of the age group--97% in patients > or = 80 years of age versus 98% in the younger patients. Multivariate analysis demonstrated that age of > or = 80 years was significantly associated with inhospital major adverse cardiac events (MACEs) (P = .004). In addition, among inhospital survivors, octogenarians also had higher follow-up MACE rates (P < .001). At 12 months of follow-up, patients > or = 80 years of age had a mortality of 8.9% versus 3.0% for the younger patients (P < .001). The older patients also had more recurrent myocardial infarction (5.2% vs 2.6%, P = .019). However, there was no significant difference in 12-month target lesion revascularization (4.5% vs 4.9% [> or = 80 years of age vs < or = 79 years of age]) or coronary artery bypass grafting (1.8% vs 1.3% [> or = 80 years of age vs < or = 79 years of age]). After age-sex adjustment, life expectancy of octogenarians was similar to that of the general population (P = .78).
CONCLUSION: This study showed that drug-eluting stent implantation in octogenarians has high initial procedural success rates compared with the younger patients despite having more severe baseline risk characteristics. During follow-up, death and overall MACE rates remain higher in octogenarians but target lesion revascularization rates are similar.
METHODS: We analyzed 2453 consecutive patients who underwent DES implantation at the Mayo Clinic (Rochester, MN). The patients were classified in 2 age groups: patients > or = 80 years of age < or = 79 years of age.
RESULTS: Patients > or = 80 years old had significantly more adverse baseline characteristics including more comorbid conditions and more severe extensive coronary artery disease. Procedural success was high irrespective of the age group--97% in patients > or = 80 years of age versus 98% in the younger patients. Multivariate analysis demonstrated that age of > or = 80 years was significantly associated with inhospital major adverse cardiac events (MACEs) (P = .004). In addition, among inhospital survivors, octogenarians also had higher follow-up MACE rates (P < .001). At 12 months of follow-up, patients > or = 80 years of age had a mortality of 8.9% versus 3.0% for the younger patients (P < .001). The older patients also had more recurrent myocardial infarction (5.2% vs 2.6%, P = .019). However, there was no significant difference in 12-month target lesion revascularization (4.5% vs 4.9% [> or = 80 years of age vs < or = 79 years of age]) or coronary artery bypass grafting (1.8% vs 1.3% [> or = 80 years of age vs < or = 79 years of age]). After age-sex adjustment, life expectancy of octogenarians was similar to that of the general population (P = .78).
CONCLUSION: This study showed that drug-eluting stent implantation in octogenarians has high initial procedural success rates compared with the younger patients despite having more severe baseline risk characteristics. During follow-up, death and overall MACE rates remain higher in octogenarians but target lesion revascularization rates are similar.