نتایج جستجو برای: avr system

تعداد نتایج: 2232892  

2017
Constanze Bening Khaled Hamouda Mehmet Oezkur Christoph Schimmer Ina Schade Armin Gorski Ivan Aleksic Rainer Leyh

BACKGROUND There is growing evidence from the literature that right anterior minithoracotomy aortic valve replacement (RAT-AVR) improves clinical outcome. However, increased cross clamp time is the strongest argument for surgeons not performing RAT-AVR. Rapid deployment aortic valve systems have the potential to decrease cross-clamp time and ease this procedure. We assessed clinical outcome of ...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2011
Thathya V Ariyaratne Baki Billah Cheng-Hon Yap Diem Dinh Julian A Smith Gilbert C Shardey Christopher M Reid

OBJECTIVE To develop a multivariable logistic risk model for predicting early mortality following aortic valve replacement (AVR) in adults, and to compare its performance against existing AVR-dedicated models. METHODS Prospectively collected data from the Australasian Society of Cardiac and Thoracic Surgeons (ASCTS) database project were used. Thirty-five preoperative variables from AVR liter...

2013
Abdul Gani Ahangar Aakib Hamid Charag Mohd Lateef Wani Farooq Ahmad Ganie Shyam Singh Syed Asrar Ahmad Qadri Zameer Ahmad Shah

BACKGROUND Aortic Valve Replacement (AVR) is usually done through median sternotomy. The present study aimed to compare the right anterolateral thoracotomy and median sternotomy approaches for AVR. MATERIALS AND METHODS The present prospective study was conducted on 60 patients who had aortic valve disease and were subjected to AVR. Thirty patients underwent aortic valve replacement via right...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2007
Yanto Sandy Tjang Yvonne van Hees Reiner Körfer Diederick E Grobbee Geert J M G van der Heijden

Aortic valve replacement (AVR) is recommended as a standard surgical procedure for aortic valve disease. Still the evidence for commonly claimed predictors of post-AVR prognosis, in particular mortality, appears scant. This systematic review reports on the evidence for predictors of post-AVR mortality, and may be helpful in pre-surgical risk-stratification. In PubMed, we searched for original r...

2013
Bart M Koene Mohamed A Soliman Hamad Wobbe Bouma Massimo A Mariani Kathinka C Peels Jan-Melle van Dantzig Albert H van Straten

BACKGROUND The influence of prosthesis-patient mismatch (PPM) on survival after aortic valve replacement (AVR) remains controversial. In this study, we sought to determine the effect of PPM on early (≤30 days) and late mortality (>30 days) after AVR or AVR combined with coronary artery bypass grafting (AVR with CABG). METHODS Between January 1998 and March 2012, 2976 patients underwent AVR (n...

Journal: :Maedica 2012
Saadet Demirtas Altug Osken Mehmet Bulent Vatan Ibrahim Kocayigit Mehmet Akif Cakar Yusuf Can Levend Edis Yasemin Gunduz Huseyin Gunduz

Aortic dissection (AD) in patient with prostetic aortic valve is a rare but potentially fatal complication. Predictors of the occurrence of AD after aortic valve replacement (AVR) include fragility and thinning of the ascending aorta, aortic dilatation, aortic regurgitation (AR) and high blood pressure before AVR operation. AD is usually symptomatic, but rarely asymptomatic.We presented a case ...

Journal: :European Heart Journal 2022

Abstract The predictors of favorable clinical response to aortic valve replacement (AVR) in stenosis (AS) are still insufficiently defined. increased LV afterload AS affects the interpretation majority systolic indices, which load-dependent. estimation myocardial work (MW) is a newly developed approach, which, allowing correction global longitudinal strain (GLS) for afterload, gives more adequa...

2012

-The paper presents the design of an embedded Web server system, which is based on ARM920T processor. The server is implemented in VB with ASP . After the successful development of server it is transplanted on ARM processor. WIN CE is installed on ARM processor. This is because Win CE can be reduced and transplanted. The method used to transplant the web server on the embedded WIN CE platform, ...

2012
K. Madhan Mohan M. Sheshu Madhav M. Srinivas Prasad S. J. S. Rama Devi G. Ram Kumar B. C. Viraktamath

In order to understand the pathogen’s genetic diversity and dynamics of fungal populations, 34 rice blast isolates collected from various blast endemic areas of India were analyzed using Magnaporthe grisea genome specific microsatellite markers (MGM) and repeat element based Pot2 primer. All the blast isolates showed average pair wise similarities in the range of 0.15 to 0.9 and suggested the l...

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