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Left ventricular dissecting haematoma and aneurysm formation in a patient who uses methamphetamines: a case report.
BMC Cardiovasc Disord
December 2024
Institute of Cardiology, National Hospital of Sri Lanka, Colombo, Sri Lanka.
Article Synopsis
- Myocardial dissection is a rare but serious complication of ischaemic heart disease, characterized by a haematoma forming within the cardiac muscle, often triggered by factors such as increased wall tension and reduced tensile strength.
- A case study highlights a 37-year-old male, who developed myocardial dissection following an ST elevation infarction after years of substance abuse, including heroin and methamphetamines, which might be linked to his condition.
- The patient presented with symptoms of heart failure, and diagnostic tests revealed severe heart dysfunction and a mass in the heart, leading to treatment with diuretics and medical therapy instead of surgery due to high operative risk.
Intra-myocardial hemorrhage and cardiac microvascular injury in ischemia/reperfusion. A systematic review of current evidences.
Curr Probl Cardiol
January 2025
Department of Emergency Cardiology, Tomsk National Research Medical Center, Russian Academy of Science, Cardiology Research Institute, Kyevskskaya 111A, Tomsk 634012, Russia. Electronic address:
The in-hospital mortality rate in acute myocardial infarction (AMI) remains high despite the undoubted achievements in treatment of this disease achieved in the last 40 years. The dangerous complications of AMI remain cardiac microvascular injury (CMI) and intramyocardial hemorrhage (IMH). IMH is a widespread pathology that occurs in 42 - 57% of patients with ST-segment elevation myocardial infarction and percutaneous coronary intervention.
View Article and Find Full Text PDFThe effects of myocardial bridging on two-dimensional myocardial strain during dobutamine stress echocardiography.
Int J Cardiovasc Imaging
November 2024
Turku PET Centre, Turku University Hospital and University of Turku, Turku, Finland.
Myocardial bridging (MB) is a common anatomic variant in coronary arteries with unclear functional significance. We evaluated regional myocardial strain by speckle tracking during dobutamine stress echocardiography (DSE) in patients with MB in the left anterior descending coronary artery (LAD). We studied 11 patients with MB in the LAD and no obstructive coronary artery disease (CAD), 7 patients without MB, but obstructive CAD in the LAD, and 12 controls without MB or obstructive CAD.
View Article and Find Full Text PDFCellular heterogeneity of pluripotent stem cell-derived cardiomyocyte grafts is mechanistically linked to treatable arrhythmias.
Nat Cardiovasc Res
February 2024
Centre for Heart Research, the Westmead Institute for Medical Research, the University of Sydney, Westmead, New South Wales, Australia.
Article Synopsis
- - Preclinical studies show that human pluripotent stem cell-derived cardiomyocytes (PSC-CMs) can help repair injured hearts, with multiple clinical trials underway.
- - Ventricular arrhythmias (EAs) can occur after injecting PSC-CMs into the heart, linked to cellular diversity within the transplanted cells, particularly arrhythmogenic subpopulations like atrial and pacemaker-like cardiomyocytes.
- - Identifying specific surface markers may help differentiate risky PSC-CMs from safer ones, and both drug treatments and other interventions can help manage or eliminate these arrhythmias in the experimental model used.
Analysis of risk factors for complications in echocardiography-guided percutaneous intramyocardial septal radiofrequency ablation.
J Cardiothorac Surg
July 2024
Department of Nursing, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China.
Background: The feasibility of percutaneous intramyocardial septal radiofrequency ablation (PIMSRA) for the treatment of hypertrophic obstructive cardiomyopathy (HOCM) has been previously reported. However, limited investigation has been conducted regarding the complications associated with this procedure.
Objective: This study aims to analyze the risk factors affecting the occurrence of complications during PIMSRA, such as pericardial effusion, ventricular premature beats, and interventricular septal perforation.
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