Why the study?
Following an action plan by the Stent for Life initiative in Portugal to improve timely PPCI access, this study evaluated performance indicators in high-risk populations including elderly, female, and diabetic patients.
Do high-risk populations (elderly, female, diabetic) experience longer patient and system delays to reperfusion in STEMI patients undergoing primary percutaneous coronary intervention?
Do high-risk populations (elderly, female, diabetic) experience longer patient and system delays to reperfusion in STEMI patients undergoing primary percutaneous coronary intervention?
Elderly patients with STEMI experience significantly longer patient and system delays to reperfusion, highlighting the need for targeted interventions to improve timely access to PPCI in this subgroup.
Timely reperfusion with primary percutaneous coronary intervention (PPCI) in ST-segment elevation myocardial infarction (STEMI) improves patient outcomes. In recent years, the Stent for Life (SFL) initiative in Portugal developed an action plan to improve timely access to PPCI. This study aims to evaluate performance indicators in high-risk populations (elderly, female, and diabetic patients). Data on 1340 patients with suspected STEMI who were admitted to 18 Portuguese interventional cardiology centers were collected during a one-month period every year from 2011 to 2016. The risk of longer patient and system delay in elderly, female, and diabetic patients was assessed by logistic regression analysis. Patient and system delays were longer in elderly patients (incremental median 32 and 40 min; p=0.001 and p<0.001, respectively). Median system delay was also longer in women (incremental median 25 min; p<0.001). Consequently, times to revascularization were longer in elderly patients (incremental median 92 min; p<0.001) and women (incremental median 67 min; p<0.001). There was no significant difference in reperfusion delay in diabetic patients. After adjustment for gender and diabetes, elderly age was an independent predictor of patient delay longer than the median (OR 1.64; 95% CI 1.22-2.20; p=0.001) and system delay >90 min (OR 2.95; 95% CI 1.84-4.72; p<0.001). Elderly patients showed longer patient and system delays, regardless of gender and presence of diabetes. These data suggest that the elderly subgroup should be the target of a new action by the SFL initiative. Nos últimos anos, a Iniciativa Stent for Life (SFL) em Portugal desenvolveu um plano de ação de forma a aumentar o acesso atempado à angioplastia primária (ICPP). Este trabalho pretende avaliar os indicadores de desempenho no enfarte agudo do miocárdio com supradesnivelamento de ST (EAMCSST), em populações de alto risco: idosos, mulheres e diabéticos. Dados de 1340 doentes com suspeita de EAMCSST, admitidos em 18 centros nacionais de cardiologia de intervenção, foram recolhidos durante um mês, em anos consecutivos (2011-2016). O risco de atraso do doente e do sistema em idosos, mulheres e diabéticos foi avaliado por análise de regressão logística. Os atrasos do doente e do sistema foram superiores nos idosos (mediana incremental de 32 e 40 min, p = 0,001 e p < 0,001, respetivamente). A mediana do atraso do sistema também foi superior nas mulheres (mediana incremental de 25 min, p < 0,001). Consequentemente, houve tempos mais longos até à revascularização nos idosos (mediana incremental de 92 min; p < 0,001) e mulheres (mediana incremental de 67 min; p < 0,001). Não houve diferença significativa no atraso de reperfusão nos diabéticos. Após ajuste para género e diabetes, os idosos foram o preditor independente de «atraso do doente maior que a mediana» (OR 1,64; IC95% 1,22-2,20; p = 0,001) e «atraso do sistema > 90 min» (OR 2,95; IC95% 1,84-4,72; p < 0,001). Os idosos apresentaram maior atraso do doente e do sistema, independentemente do género e da presença de diabetes mellitus. Esses dados sugerem que o subgrupo dos idosos deve ser alvo de uma nova ação da Iniciativa SFL.
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Calé et al. (2019) studied this question.
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