نتایج جستجو برای: physiologic trachea aorta mitral valve

تعداد نتایج: 189668  

2004
Honghai Zhang Liping Bu Alan Stolpen Milan Sonka Shuping Ge

The cardiac flow volumes through the mitral valve orifice were measured using a Gaussian control surface based, Doppler angle independent method on real-time threedimensional digital Doppler data from 13 children. Our flow volume measurements correlated and agreed well with the ascending aorta flow volumes measured by PVC MRI and stroke volumes obtained from MRI left ventrical volumetric measur...

2017
Michael Spartalis Eleni Tzatzaki Eleftherios Spartalis Demetrios Moris Antonios Athanasiou Stamatios Kyrzopoulos Dimitrios Tsiapras Vassilis Voudris

Intimal sarcomas are a very rare medical entity and usually arise from the pulmonary artery or the thoracic aorta. Sarcomas should be considered in the differential diagnosis in patients with suspected mitral valve disease. Echocardiography should be performed as early as possible to establish a prompt diagnosis and management.

اکبری, زهرا, باقری, اکرم, رستمیان, عبدالرحمن, شاعری, حمیدرضا, قارونی, منوچهر, مرادمند, سینا, میرخانی, سیده‌ضحی,

Background: Mitral valve prolapse is a relatively common valvular abnormality in most communities and joint hypermobility (JHM) is also seen in many healthy people as well as in certain clinical disorders, such as Marfan syndrome. The present study was designed to investigate the association between joint hypermobility and mitral valve prolapse (MVP) in an Iranian population sample. Methods: F...

2012
Arash Kheradvar Ahmad Falahatpisheh

Background and aim of the study: The study aim was to determine the effect of mitral saddle annulus and leaflet length on peak leaflet stress and transmitral flow pattern when utilizing a novel bileaflet bioprosthetic valve. Methods: A novel valve, which closely mimics the saddle annulus motion of the mitral valve was developed. A series of computational analyses and in-vitro hemodynamic studie...

Journal: :Revista brasileira de cirurgia cardiovascular : orgao oficial da Sociedade Brasileira de Cirurgia Cardiovascular 2013
Rodrigo Milani Paulo Roberto Slud Brofman Sergio Oliveira Luiz Patrial Neto Matheus Rosa Victor Hugo Lima Luis Fernando Binder Aline Sanches

INTRODUCTION Reoperations of the mitral valve have a higher rate of complications when compared with the first surgery. With the field of video-assisted techniques for the first surgery of mitral valve became routine, reoperation cases began to arouse interest for this less invasive procedures. OBJECTIVE To assess the results and the technical difficulties in 10 patients undergoing minimally ...

Journal: :Heart 2003
S Nakamoto T Saga T Shinohara

Williams syndrome is a genetic disorder associated with characteristic facies, supravalvar aortic stenosis, peripheral pulmonary stenosis, mental retardation, hypertension, premature aging of skin, and congenital cardiac defects. Many cardiac defects such as bicuspid aortic valve, mitral valve regurgitation, coarctation of the aorta, and ventricular or atrial septal defects are linked to the sy...

2010
A. LAZĂR L. LAZĂR

The use of beta-blockers in general pathology increased so much, that there is almost no therapy domain with any interference of these substances. This paper describes the use and the action of the betablockers in the following pathologies: pheochromocitoma, Tetralogy of Fallot, hypertrophic obstructive cardiomyopathy, aorta dissecting aneurysm, mitral valve prolapse, thyrotoxicosis, orthostati...

Journal: :Harefuah 1961
T A Peterson D B Todd J E Edwards

The authors describe the case of an inborn supravalvular aortal stenosis in an adult patient who was successfully treated by a plastic operation of the stenotic portion of the ascendent aorta by means of a synthetic patch. At the same time also a plastic operation of an incompetent mitral valve was made.

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2011
Justin L Nowell Alex Dewhurst Jean-Pierre van Besouw Marjan Jahangiri

We describe a bailout procedure when surgical aortic-valve replacement was not possible due to severe calcification of the ascending aorta and the root and a very small annulus. A 21-mm CoreValve Revalving prosthesis was inserted via the aortotomy in the presence of a mitral prosthesis.

Journal: :British heart journal 1980
J Candell-Riera H G del Castillo J Rius

An early systolic closure of the aortic valve was recorded in the echocardiogram in two patients with aortic root dissection. This sign, initially described in discrete subaortic stenosis and occasionally observed in mitral regurgitation and interventricular septal defect, has not so far been described in dissecting aneurysm of the aorta.

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