Michal Olsovsky

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BACKGROUND The clinical consequences of cardiac denervation include the inability of the heart transplant recipient to sense cardiac pain. This is due mainly to interruption of ventricular sympathetic afferents normally responsible for transmission of cardiac pain. Although angina has been reported in transplant recipients, to our knowledge, its temporal(More)
BACKGROUND Cardiac transplantation is an accepted treatment modality for end-stage heart failure. Coronary artery disease remains a major cause of mortality in the long term after heart transplantation. Despite the high prevalence of coronary artery disease in heart transplant recipients, currently used noninvasive tests as well as invasive tests are highly(More)
With the expanding amount of data transferred over communication links it is necessary to improve the links and appropriate network devices to match the traffic requests. The most common way of increasing network throughput and performance in general is usually the replacement of the network devices and links. This way is reliable but usually expensive.(More)
Today's congestion prevention in IP networks is based mainly on hard TCP end nodes notification. This notification uses queuing mechanism and ends up in certain packet drop which forces specific TCP end nodes to decrease the congestion window. Different way is soft TCP end nodes notification which is based on existing ECN system while allowing network to(More)
Network throughput increase is usually associated with replacement of communication links and appropriate network devices. However it is necessary to bear in mind that effective and less intrusive increase of network throughput can be achieved via the improvement of existing protocol stack, mostly at network and transport layer. In this paper we propose an(More)
Network performance increase does not have to be associated only with the upgrade of existing infrastructure and devices. More effective and less expensive increase of network performance can be achieved via sophisticated improvement of existing protocols, mainly at network and transport layer. The aim of this paper is to introduce our new approach for(More)
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