NEWS on cardiovascular, respiratory system implants
Second Historic Transplant of Pig Heart into Patient
A 58-year-old patient with terminal heart disease became the second patient in the world to receive a successful transplant of a genetically-modified pig heart on September 20. He is recovering well and communicating with his loved ones. This new patient had end-stage heart disease. He was deemed ineligible for a...
Development of rupture-resistant bioprostheses for aortic aneurysms
A research group at the Department of Cardiothoracic, Transplantation and Vascular Surgery at the Hannover Medical School (MHH, Germany) is working on developing vascular prostheses based on the body's own fibrin. Unlike conventional plastic models, the biologically active aortic prostheses are recognized by the immune system as the body's own...
Dual-Chamber Leadless Pacemaker
Single-chamber ventricular leadless pacemakers do not support atrial pacing or consistent atrioventricular synchrony. A dual-chamber leadless pacemaker system consisting of two devices implanted percutaneously, one in the right atrium and one in the right ventricle, would make leadless pacemaker therapy a treatment option for a wider range of indications. The...
High-power chargers for electric vehicles are safe for patients with pacemakers and defibrillators
Battery electric vehicle (BEV) sales and use are rapidly expanding. Battery electric vehicles, along with their charging stations, are a potential source of electromagnetic interference (EMI) for patients with cardiac implantable electronic devices (CIEDs). The new ‘high-power’ charging stations have the potential to create strong electromagnetic fields and induce EMI...
Implantable Defibrillator System Shock Function, Mortality, and Cause of Death After Magnetic Resonance Imaging
Studies have shown that magnetic resonance imaging (MRI) does not have clinically important effects on the device parameters of non–MRI-conditional implantable cardioverter-defibrillators (ICDs). However, data on non–MRI-conditional ICD detection and treatment of arrhythmias after MRI are limited. During a median follow-up of 2.2 years from MRI to latest available ICD...
Deutsche AOK informiert über Qualitätsergebnisse bei kathetergestütztem Aortenklappenersatz
Die Online-Plattform „Gesundheitsnavigator“ der deutschen Krankenversicherung AOK informiert jetzt darüber, welche Krankenhäuser bei kathetergestützten Aortenklappenimplantationen (transvaskulären Aortenklappenimplantationen, TAVI) besonders gute Behandlungsergebnisse vorweisen. Dafür können Ärzte und Patienten die Ergebnisse von 79 Kliniken abrufen, die in den Jahren 2018 bis 2020 eine solche TAVI bei knapp 23.000 Versicherten durchgeführt haben. Einer...
Percutaneous Revascularization for Ischemic Left Ventricular Dysfunction
Whether revascularization by percutaneous coronary intervention (PCI) can improve event-free survival and left ventricular function in patients with severe ischemic left ventricular systolic dysfunction, as compared with optimal medical therapy (i.e., individually adjusted pharmacologic and device therapy for heart failure) alone, is unknown. CONCLUSIONS Among patients with severe ischemic left...
TIA (transient ischemic attack) and stroke: neurologists for more precise patient selection for stent treatments
After a transient ischemic attack (TIA) or stroke, clinically stable patients do not appear to benefit from treatment with a stent. However, this may not be true for high-risk patients. This is shown by a Chinese-American study now published in the Journal of the American Medical Association (JAMA) (DOI: 10.1001/jama.2022.12000)....
Efficacy and Safety of an Extravascular, substernally implanted Cardioverter–Defibrillator
The extravascular implantable cardioverter–defibrillator (ICD) has a single lead implanted substernally to enable pause-prevention pacing, antitachycardia pacing, and defibrillation energy similar to that of transvenous ICDs. The safety and efficacy of extravascular ICDs are not yet known. In this prospective global study, we found that extravascular ICDs were implanted safely...
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