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A rare complication of intracardiac double knotting of temporary pacemaker lead during bedside insertion: a case report.
Eur Heart J Case Rep
December 2024
Department of Cardiology, St. John's National academy of Health Sciences, University-Rajiv Gandhi University of Health Sciences, Bengaluru 560034, Karnataka, India.
Background: Temporary pacemaker lead implantation is a common low-risk procedure, but can occasionally get complicated by infections, arrhythmias, thromboembolic events, and perforation of the vessel or the heart. However, intracardiac knotting of the temporary pacemaker lead has been rarely reported. This could lead to vascular or valvular injury, pneumothorax, symptomatic loss of pacing or haemodynamic compromise, and difficult lead removal.
View Article and Find Full Text PDFIntracardiac migration of distal catheter-a rare complication of VP shunt insertion: case report and literature review.
Childs Nerv Syst
February 2024
Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK.
Intracardiac migration is a rare complication of ventriculoperitoneal shunt insertion. Only 15 cases have been reported, 7 of which were paediatric cases, treated with techniques including interventional radiography, open thoracotomies and direct extraction through the initial shunt incision. The authors report the youngest case of intracardiac shunt migration complicated by significant coiling and knotting within the cardiac chambers and pulmonary vasculature.
View Article and Find Full Text PDFUntying the Knot: A Rare Case of Formation of a Life-Threatening Intracardiac Knot Following the Placement of a Temporary Transvenous Pacemaker.
Cureus
December 2022
Cardiology, Marshall University Joan C. Edwards School of Medicine, Huntington, USA.
The implantation of a temporary pacemaker lead is a very common procedure performed in most hospitals and is known to be relatively safe, but there can be serious complications in rare circumstances. Reported complications including arrhythmias, infection, thromboembolic phenomena, and perforation of the vessel or the heart are all extensively described. However, an unusual and life-threatening complication that is not frequently discussed is the formation of intracardiac knots.
View Article and Find Full Text PDFThe loss of left atrial contractile function predicts a worse outcome in HFrEF patients.
Front Cardiovasc Med
January 2023
Division of Cardiology, Department of Medical Biotechnologies, University of Siena, Siena, Italy.
Background: In chronic heart failure, high intracardiac pressures induce a progressive remodeling of small pulmonary arteries up to pulmonary hypertension. At the end of left atrial conduit function, pulmonary and left heart end-systolic pressures equalization might affect left atrial systole. In this single-center prospective study, we aimed to investigate whether peak atrial contraction strain (PACS), measured by speckle tracking echocardiography, was independently associated with prognosis in heart failure with reduced ejection fraction (HFrEF).
View Article and Find Full Text PDFNeurohumoral Cardiac Regulation: Optogenetics Gets Into the Groove.
Front Physiol
August 2021
Veneto Institute of Molecular Medicine, Padova, Italy.
The cardiac autonomic nervous system (ANS) is the main modulator of heart function, adapting contraction force, and rate to the continuous variations of intrinsic and extrinsic environmental conditions. While the parasympathetic branch dominates during rest-and-digest sympathetic neuron (SN) activation ensures the rapid, efficient, and repeatable increase of heart performance, e.g.
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