Existing video Quality-of-Experience (QoE) metrics rely on the decoded video for the estimation. In this work, we explore how the overall viewer experience, quantified via the QoE score, can be automatically derived using only information available before and during the transmission of videos, on the server side. To validate the merits of the proposed scheme, we consider a dataset of videos encoded and streamed under different conditions and train a novel deep learning architecture for estimating the QoE of the decoded video.
View Article and Find Full Text PDFBackground Data on urgent transcatheter aortic valve replacement (TAVR) as rescue therapy for acute decompensated heart failure (ADHF) due to severe aortic stenosis (AS) are limited. We sought to investigate the outcomes of patients who underwent urgent transcatheter aortic valve replacement (TAVR) in a single institution. Methods This is a retrospective cohort study of 602 patients with a history of heart failure (HF) due to AS who underwent TAVR between April 2012 and July 2017.
View Article and Find Full Text PDFWarm blood cardioplegia has been an established cardioplegic method since the 1990s, yet it remains controversial in regard to myocardial protection. This review will describe the physiologic and technical concepts behind warm blood cardioplegia, as well as outline the current basic and clinical research that evaluates its usefulness. Controversies regarding this technique will also be reviewed.
View Article and Find Full Text PDFAorta (Stamford)
February 2020
Background: Techniques to repair aortic pseudoaneurysms have been rapidly evolving. We present our results following open and endovascular repair of aortic pseudoaneurysms from 2009 to 2013.
Methods: A total of nine patients underwent pseudoaneurysm repair from April 2009 to February 2013.
Aorta (Stamford)
December 2019
Acute Type-A aortic dissection (AAAD) remains a surgical emergency with a relatively high operative mortality despite advances in medical and surgical management over the past three decades. In spite of the severity of disease, there is a paucity of studies reviewing key controversies surrounding AAAD repair and management. A systematic literature search was performed using Cochrane review and PubMed bibliography review.
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