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Spontaneous coronary artery dissection (SCAD) is an uncommon but important cause of acute coronary syndrome (ACS), particularly in postpartum women without traditional cardiac risk factors. Our case involves a 29-year-old postpartum woman who presented with severe substernal chest pain eight days after an emergency cesarean section for pregnancy-associated hypertension. Electrocardiography showed ST elevation in the inferior and posterior leads, and coronary angiography revealed a spontaneous dissection in the left circumflex artery (LCx) with an intramural hematoma, alongside a dissection of the right coronary artery (RCA) extending from the ostium to the mid-vessel.
View Article and Find Full Text PDFA Case Report of Coronary Artery Stenosis Induced by Ablation for Premature Ventricular Complexes.
Cureus
October 2024
Interventional Cardiology, Palm Beach Gardens Medical Center, Palm Beach Gardens, USA.
Many patients with premature ventricular complexes (PVCs) do not experience symptoms. However, for those with frequent or symptomatic PVCs, medical interventions are available. If medications fail, radiofrequency catheter ablation may be performed.
View Article and Find Full Text PDFInterventional Applications for an Ostial Protection Guidewire-The WALPO Technique.
Catheter Cardiovasc Interv
December 2024
Georgia Heart Institute, Northeast Georgia Medical Center, Gainesville, Georgia, USA.
Coronary atherosclerotic lesions at the ostium and proximal coronary arteries pose significant challenges in percutaneous coronary interventions (PCI), especially in the left main coronary artery (LMCA). Guide catheter-induced damage can lead to severe complications such as vessel dissection or myocardial infarction. Ostial stent placement with drug-eluting stents offers mechanical support and reduces restenosis but is technically challenging due to the anatomical complexity of the ostium.
View Article and Find Full Text PDFOptical coherence tomography catheter-induced vasospasm of the left anterior descending artery: A case report.
Radiol Case Rep
October 2024
Department of Cardiology, Med Center Health, Bowling Green, KY 42101, USA.
Optical coherence tomography (OCT) helps identify coronary artery disease of different etiologies. Vasospasm from OCT catheter is a rarely reported complication that is more commonly seen in the right coronary artery. We report a case of OCT-catheter induced vasospasm of the left anterior descending artery that resolved with administration of nitroglycerine.
View Article and Find Full Text PDFCan the QRS morphology of outflow tract ventricular arrhythmia change when right bundle branch block emerges during sinus rhythm?
Pacing Clin Electrophysiol
November 2024
Cardiovascular Center, Tsuchiura Kyodo Hospital, Tsuchiura, Ibaraki, Japan.
Background: QRS morphology can change during ventricular arrhythmias (VAs) with the appearance of bundle branch block (BBB).
Methods: We retrospectively investigated 195 consecutive patients who underwent an initial ablation of VA. The study inclusion criteria were VAs that were successfully ablated in the outflow tract (OT) and in whom right bundle branch block (RBBB) was induced by catheter manipulation close to the His bundle area during sinus rhythm, before any radiofrequency application.
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