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http://dx.doi.org/10.5603/CJ.a2021.0002 | DOI Listing |
Am Heart J
December 2024
Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, Technische Universität München; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany.
Background: Percutaneous coronary intervention of severely calcified lesions is limited by inadequate stent expansion and poor clinical outcomes. Over the past decade, several devices and techniques have been developed for calcium modification and lesion preparation. Intravascular lithotripsy (IVL) is a novel tool in this context.
View Article and Find Full Text PDFCatheter Cardiovasc Interv
December 2024
Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy.
Background: The prevention of reperfusion injury remains an unmet need in ST-elevation myocardial infarction (STEMI) patients. Several randomized controlled trials (RCTs) evaluated mild hypothermia as adjunctive therapy during STEMI, with conflicting results.
Aims: To summarize the evidence about the efficacy and safety of mild hypothermia in patients with STEMI, as well as its conclusiveness through a trial sequential analysis (TSA).
Catheter Cardiovasc Interv
December 2024
Northeast Georgia Medical Center, Georgia Heart Institute, Gainesville, Georgia, USA.
Background: Optical coherence tomography (OCT) and intravascular ultrasound (IVUS) are adjunctive intracoronary imaging modalities used to optimize coronary stent implantation. However, the impact of OCT versus IVUS on clinical outcomes and periprocedural complications is unclear.
Aims: To perform a meta-analysis of all vetted randomized controlled trials comparing OCT-guided versus IVUS-guided percutaneous coronary intervention.
This study tested the hypothesis that coronary artery adaptations during the postpartum period are related to underlying reductions in endothelium-dependent relaxation and/or augmented smooth muscle vasoconstrictor responsiveness. In vivo experiments were performed in control (nonpregnant) and postpartum swine 35-45 days post-delivery, with isometric tension experiments performed in isolated coronary arteries from those animals. Coronary artery rings demonstrated increases in active tension generation following incremental increases in passive stretch with no differences between groups.
View Article and Find Full Text PDFJ Ayub Med Coll Abbottabad
December 2024
Department of Cardiology, Lady reading Hospital Peshawar-Pakistan.
Background: Coronary interventions, including percutaneous coronary intervention (PCI), have significantly improved management of coronary artery disease by restoration of coronary blood flow to myocardium. However, despite of so many advancements in PCI procedural techniques, there is still a significant and challenging complication known as the "no-reflow" phenomenon exists which worst effect the PPCI outcome.
Methods: It was Cross sectional study conducted at Department of Cardiology, Lady Reading Hospital Peshawar.
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