Patent
Optimizing energy transmission in a leadless tissue stimulation system
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TLDR
In this paper, a method and systems for optimizing acoustic energy transmission in implantable devices are disclosed. But the authors focus on the location of the receiver and the efficiency of the transmitted acoustic beam received by the receiver.Abstract:
Method and systems for optimizing acoustic energy transmission in implantable devices are disclosed. Transducer elements transmit acoustic locator signals towards a receiver assembly, and the receiver responds with a location signal. The location signal can reveal information related to the location of the receiver and the efficiency of the transmitted acoustic beam received by the receiver. This information enables the transmitter to target the receiver and optimize the acoustic energy transfer between the transmitter and the receiver. The energy can be used for therapeutic purposes, for example, stimulating tissue or for diagnostic purposes.read more
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References
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Prophylactic implantation of a defibrillator in patients with myocardial infarction and reduced ejection fraction.
Arthur J. Moss,Wojciech Zareba,W. Jackson Hall,Helmut U. Klein,David J. Wilber,David S. Cannom,James P. Daubert,Steven L. Higgins,Mary W. Brown,Mark L. Andrews +9 more
TL;DR: In patients with a prior myocardial infarction and advanced left ventricular dysfunction, prophylactic implantation of a defibrillator improves survival and should be considered as a recommended therapy.
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Cardiac Resynchronization in Chronic Heart Failure
William T. Abraham,Westby G. Fisher,Andrew L. Smith,David B. Delurgio,Angel R. Leon,Evan Loh,Dusan Z. Kocovic,Milton Packer,Alfredo L. Clavell,David L. Hayes,Myrvin H. Ellestad,Robin J. Trupp,Jackie Underwood,Faith Pickering,Cindy Truex,Peggy McAtee,John C. Messenger +16 more
TL;DR: Cardiac resynchronization results in significant clinical improvement in patients who have moderate-to-severe heart failure and an intraventricular conduction delay.
Prophylactic implantation of a defibrillator in patients with myocardial infarction and reduced ejection fraction
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TL;DR: In this article, the authors evaluated the effect of implantable defibrillator on survival in patients with a prior myocardial infarction and a left ventricular ejection fraction of 0.30 or less.
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Dual-chamber pacing or ventricular backup pacing in patients with an implantable defibrillator: the Dual Chamber and VVI Implantable Defibrillator (DAVID) Trial.
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TL;DR: For patients with standard indications for ICD therapy, no indication for cardiac pacing, and an LVEF of 40% or less, dual-chamber pacing offers no clinical advantage over ventricular backup pacing and may be detrimental by increasing the combined end point of death or hospitalization for heart failure.
Journal ArticleDOI
Combined cardiac resynchronization and implantable cardioversion defibrillation in advanced chronic heart failure: the MIRACLE ICD Trial.
James B. Young,William T. Abraham,Andrew L. Smith,Angel R. Leon,Randy Lieberman,Bruce L. Wilkoff,Robert C. Canby,John S. Schroeder,L. Bing Liem,Shelley A. Hall,Kevin R. Wheelan +10 more
TL;DR: Cardiac resynchronization improved quality of life, functional status, and exercise capacity in patients with moderate to severe HF, a wide QRS interval, and life-threatening arrhythmias without proarrhythmia or compromised ICD function.