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Unearthing the Unexpected: First Report of Ossa Cordis in a Human Heart.
Am J Forensic Med Pathol
January 2025
From the Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC.
The ossa cordis (OC), or cardiac bone, is a bony structure within the cardiac skeleton of mammals, believed to maintain heart shape during systole and enhance contraction efficiency. Found in large mammals, especially ruminants, and has recently been described in chimpanzees; however, OC has not previously been described in humans. Herein, we present an incidental finding of OC in the heart of a 39-year-old man who suffered a stab wound to chest.
View Article and Find Full Text PDFMicroRNA-221 protects myocardial contractility in myocardial ischemia/reperfusion injury through phospholamban.
PLoS One
January 2025
Department of Pathology, 906 Hospital of Joint Logistic Support Force of PLA, Ningbo, Zhejiang, China.
Objective: To investigate the effects and mechanisms of miRNA 221 on myocardial ischemia/reperfusion injury (MIRI) in mice through the regulation of phospholamban (PLB) expression.
Methods: The MIRI mouse model was created and mice were divided into sham, MIRI, MIRI+ 221, and MIRI+ scr groups, with miRNA 221 overexpression induced in the myocardium of MIRI mice by targeted myocardial injection. Quantitative RT-PCR analysis was performed to observe the variation in miRNA 221, PLB, SERCA2, RYR2, NCX1, Cyt C and caspase 3 mRNA levels in myocardium, while Western blot assessed the levels of PLB, p-PLB (Ser16), p-PLB (Thr17), SERCA2, RYR2, NCX1, Cyt C and caspase 3 proteins.
The changes in health-related quality of life after attending cardiac rehabilitation: A qualitative systematic review of the perspective of patients living with heart disease.
PLoS One
January 2025
Faculty of Health, Liverpool John Moores University, Liverpool, England, United Kingdom.
Background: Although the benefits of engaging in cardiac rehabilitation are well established, patient perceptions of the changes in their health-related quality of life are poorly documented. This systematic review synthesized qualitative studies on patients' perspectives of change in their health-related quality of life after attending cardiac rehabilitation.
Objective: To identify and synthesize the best available evidence on the perspective of patients living with heart disease about the changes in their health-related quality of life after attending cardiac rehabilitation.
An Update on Multi-System Inflammatory Syndrome in Children.
Curr Rheumatol Rep
January 2025
Division of Rheumatology, Department of Pediatrics, The Warren Alpert Medical School of Brown University, 593 Eddy Street, Providence, RI, 02903, USA.
Purpose: To summarize the latest research on the epidemiology, pathogenesis, diagnosis, and treatment of multisystem inflammatory syndrome in children (MIS-C).
Recent Findings: The epidemiology of MIS-C has been dynamic since its initial description. The pathogenesis remains poorly understood.
Cardiac sarcoidosis; update for the heart failure specialist.
Curr Opin Cardiol
January 2025
Division of Cardiology, University of Ottawa Heart Institute, University of Ottawa, Faculty of Medicine, Tier 1 Clinical Research Chair in Cardiac Electrophysiology, Ottawa, ON, Canada.
Purpose Of Review: This review presents contemporary data on epidemiology, common presentations, investigations and diagnostic algorithms, treatment and prognosis. It particularly focuses on topics of most relevance to heart failure specialists, including what left ventricle (LV) function changes can be expected after treatment and outcomes to all standard and advanced heart failure therapies.
Recent Findings: Around 5% of sarcoidosis patients have clinically manifest cardiac sarcoidosis (CS), presenting with significant arrhythmias (such as conduction disturbances and ventricular arrhythmias) or newly developed unexplained heart failure.
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