1994
DOI: 10.1016/0003-4975(94)90089-2
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Pulmonary autograft in children: Realized growth potential

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Cited by 217 publications
(71 citation statements)
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“…The advantages of the Ross procedure are the superior hemodynamic performance, low valve-related event occurrence rates, and no need for lifelong anticoagulation. 29 Surprisingly, we found not only that there was no survival advantage for the Ross procedure over the use of mechanical prosthesis with optimal anticoagulation self-management but also that there was even a tendency toward a survival advantage in patients who received a mechanical prosthesis. Of course, given the few late deaths in these series, this observation should be interpreted cautiously, and a hazard ratio up to 5.91 cannot be excluded.…”
Section: Discussionmentioning
confidence: 63%
“…The advantages of the Ross procedure are the superior hemodynamic performance, low valve-related event occurrence rates, and no need for lifelong anticoagulation. 29 Surprisingly, we found not only that there was no survival advantage for the Ross procedure over the use of mechanical prosthesis with optimal anticoagulation self-management but also that there was even a tendency toward a survival advantage in patients who received a mechanical prosthesis. Of course, given the few late deaths in these series, this observation should be interpreted cautiously, and a hazard ratio up to 5.91 cannot be excluded.…”
Section: Discussionmentioning
confidence: 63%
“…Accelerated degeneration, calcification, and structural failure of bioprostheses have led to inferior longevity compared with mechanical valves in most published series. 5,6 The improved durability of mechanical valves, however, must be tempered by the long-term requirement for anticoagulation and thromboembolism. Nine children with mechanical valves developed important bleeding related to warfarin use during follow-up, and thromboembolic complications occurred in 3 patients.…”
Section: Valve Longevitymentioning
confidence: 99%
“…AVR in children poses unique challenges that have hampered identification of the ideal prosthesis. [3][4][5][6] Homograft and bioprosthetic valves achieve superior hemodynamic result initially but at the cost of accelerated degeneration. [7][8][9] Small patient size and the risk of thromboembolism limit the usefulness of mechanical valves, and somatic outgrowth is a universal problem with all available prostheses.…”
mentioning
confidence: 99%
“…Por outro lado, em 107 pacientes submetidos à cirurgia de Ross após 1986, esse índice foi de 89%, destacando o bom resultado a médio prazo dessa opção cirúrgica, num estudo de comparação técnica realizado pelo mesmo cirurgião. Uma outra contribuição importante de Elkins foi a comparação do potencial de crescimento da neovalva aórtica 26 , verificada a partir do seguimento de 86 pacientes operados entre nove meses e 27 anos de idade. Nesse grupo, com sete anos de seguimento, a sobrevida atuarial foi de 96% e, em somente 8% dos casos, houve necessidade de reintervenção na neovalva aórtica ou na valva pulmonar autóloga.…”
Section: Resultsunclassified
“…Ross, no início de sua experiência 24 , usava enxerto homólogo aórtico, tendo optado posteriormente pelo enxerto homólogo pulmonar, conduta essa compartilhada por Elkins 25 . Estima-se que 80% desses enxertos pulmonares estariam funcionalmente adequados após 20 anos de seguimento 26 . A disponibilidade de enxerto homólogo no nosso meio é bastante recente e, apesar de algumas discussões legais, abre uma perspectiva bastante favorável.…”
Section: Resultsunclassified