1981
DOI: 10.1055/s-2007-1023511 View full text |Buy / Rent full text
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Abstract: In order to reduce postoperative pulmonary insufficiency (PI) a transannular monocusp patch was implanted in 14 patients with severe tetralogy of Fallot and hypoplastic pulmonary valve ring (group A). The results of left and right heart catheterization, obtained within one year of the correction, were compared to those of 9 patients, who received a simple transannular pericardial patch (group B). The mean maximal systolic pressure ratio between the right and left ventricle (A = 0.43 +/- 0.03; B = 0.49 +/- 0.04… Show more

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“…10,11 There have been previous attempts at making a transannular patch with a monocusp valve, but they failed early during follow-up. 12 This technique of pulmonary valve reconstruction produces less PI after 1 year of follow-up compared to a transannular patch alone. The novelty of this technique is the formation of a pulmonary valve cusp at the level of the annulus, thus using the remnant native pulmonary valve cusps for coaptation and competence of the pulmonary valve.…”
Section: Discussionmentioning
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“…10,11 There have been previous attempts at making a transannular patch with a monocusp valve, but they failed early during follow-up. 12 This technique of pulmonary valve reconstruction produces less PI after 1 year of follow-up compared to a transannular patch alone. The novelty of this technique is the formation of a pulmonary valve cusp at the level of the annulus, thus using the remnant native pulmonary valve cusps for coaptation and competence of the pulmonary valve.…”
Section: Discussionmentioning
“…[15][16][17] Therefore, these patients are more likely to undergo pulmonary valve replacement. 18,19 We believe that preservation and reconstruction of the posterior pulmonary leaflet, combined with a monocusp on the anterior aspect, can reduce pulmonary insufficiency after TOF repairs. We found that TAP with PCA ensured better outcomes in the immediate postoperative period, and PCA have been shown to give rise to a lesser degree of pulmonary insufficiency in the mid and long term.…”
Section: Discussionmentioning
“…Among these methods, the use of a patch graft has proven to be a very useful method for correction of stenosis during right ventricular outflow tract reconstruction [13,22]. Currently, the materials being used clinically for the replacement of blood vessels during cardiac surgery are synthetic cloths, autogenous tissues, and bioprosthesis, made up of homologous and heterogenous tissues which are non-antigenic [1,2,9,[16][17][18]23]. The Denacol used in this experiment is more hydrophilic, has a greater cellular affinity and a lower cross-linking cytotoxic reaction [12], compared to classical glutaraldehyde (GA).…”
Section: Discussionmentioning