1990
DOI: 10.1590/s0102-76381990000200005
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Plastia valvar aórtica por ampliação de válvula(s) com pericárdio bovino

Abstract: RESUMO: É apresentada técnica para correção do refluxo valvar aórtico pela desinserção e ampliação de uma ou mais das válvulas com pericárdio bovino. Após estudo experimental em peças animais isoladas, a técnica foi empregada, com sucesso imediato, em seis pacientes. Em todos os casos, ampliou-se a válvula não coronariana e, em dois, ampliou-se, também , a válvula coronariana esquerda. O levantamen~o das comissuras valvares poderá constituir-se em uma técnica complementar, desde que foi uma constante em todos … Show more

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Cited by 3 publications
(7 citation statements)
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“…The closure mechanisms of the aortic valve are more precise than those involved in the dynamics of the atrioventricular valves, which have a larger coaptation surface and larger subvalvar structures which help the plastic corrections without replacement by prostheses [7][8][9][10][11] . Specific studies of the anatomy of the aortic valve were carried out by Silver and Roberts 12 , Swanson and Clark 13 , Thubrikar et al 14 , and Angelini et al 15 , aiming to better define peculiarities of this valve.…”
mentioning
confidence: 99%
“…The closure mechanisms of the aortic valve are more precise than those involved in the dynamics of the atrioventricular valves, which have a larger coaptation surface and larger subvalvar structures which help the plastic corrections without replacement by prostheses [7][8][9][10][11] . Specific studies of the anatomy of the aortic valve were carried out by Silver and Roberts 12 , Swanson and Clark 13 , Thubrikar et al 14 , and Angelini et al 15 , aiming to better define peculiarities of this valve.…”
mentioning
confidence: 99%
“…C) Combined, stenotic and insufficient aortic valveAs the presence of fibrotic cusp retraction is commonplace in these lesions, particularly when due to rheumatic etiology, the plastic correction is usually burdened by the progression of the rheumatic disease. For combined lesions, besides liberation of the commissural fusions and removal of fibrotic and calcified areas, valve competence can be restored by using bovine pericardium to patch the gap resulting from detaching the cusp from its implantation base in between the commissures 31,32 . An alternative technique, proposed by Al Fagih, et al 30 and Duran…”
Section: Surgical Techniquesmentioning
confidence: 99%
“…The initial idea involved enlarging one or more of the cusps, in association or not with commissural resuspension. Bovine pericardium was selected for commissure to commissure cusp enlargement after previously detaching the retracted cusp from its base of implantation 31,32 . After opening the ascending aorta and cardioplegia administration directly into the coronary ostia, rigorous evaluation of the valve is carried out.…”
Section: Experience Of the Authorsmentioning
confidence: 99%
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