Sex differences in the management of patients with acute coronary syndrome: A population-based ecological cross-sectional study in Spain

Abstract Introduction and objectives Despite evidence of a reduction in the incidence and mortality of acute coronary syndrome (ACS), some studies have highlighted differences in outcomes between men and women. We aimed to explore sex differences in the management and treatment of patients with ACS in Spain. Methods This ecological cross-sectional study combined ACS data from 10 Spanish registries (54 centres). Meta-regression analysis was performed using aggregated data of baseline characteristics, interventional procedures, treatments, and events that occurred during hospitalization and one-year follow-up. Results Aggregated data from 34 605 patients (75.1% men) was included. ST-segment e…

Benefit of primary percutaneous coronary interventions in the elderly with ST segment elevation myocardial infarction

Objective Primary percutaneous coronary intervention (P-PCI) has demonstrated its efficacy in patients with ST segment elevation myocardial infarction (STEMI). However, patients with STEMI >= 75 years receive less P-PCI than younger patients despite their higher in-hospital morbimortality. The objective of this analysis was to determine the effectiveness of P-PCI in patients with STEMI >= 75 years. Methods We included 979 patients with STEMI >= 75 years, from the ATencion HOspitalaria del Sindrome coronario study, a registry of 8142 consecutive patients with acute coronary syndrome admitted at 31 Spanish hospitals in 2014-2016. We calculated a propensity score (PS) for the indication of P-P…

Ranolazine-Mediated Attenuation of Mechanoelectric Feedback in Atrial Myocyte Monolayers.

[EN] Background Mechanical stretch increases Na(+)inflow into myocytes, related to mechanisms including stretch-activated channels or Na+/H(+)exchanger activation, involving Ca(2+)increase that leads to changes in electrophysiological properties favoring arrhythmia induction. Ranolazine is an antianginal drug with confirmed beneficial effects against cardiac arrhythmias associated with the augmentation ofI(NaL)current and Ca(2+)overload. Objective This study investigates the effects of mechanical stretch on activation patterns in atrial cell monolayers and its pharmacological response to ranolazine. Methods Confluent HL-1 cells were cultured in silicone membrane plates and were stretched to…

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P525Ranolazine attenuates stretch-induced modifications of the electrical characteristics of atrial fibrillation in HL-1 cells