Two-patch transannular repair of tetralogy of Fallot with complete atrioventricular canal defect

2021 ◽  

We demonstrate the repair in an infant of tetralogy of Fallot with complete atrioventricular canal defect using a 2-patch technique with transannular reconstruction of the right ventricular outflow tract due to a diminutive pulmonary valve annulus. This approach is reproducible and particularly valuable to surgeons who routinely use a 2-patch technique to repair an isolated complete atrioventricular canal defect.

2008 ◽  
Vol 18 (6) ◽  
pp. 608-614 ◽  
Author(s):  
Guo-Wei He ◽  
Xiao-Cheng Liu ◽  
Xiang-Rong Kong ◽  
Li-Xin Liu ◽  
Ying-Qun Yan ◽  
...  

AbstractObjectivesThe strategies of repair of tetralogy of Fallot change with the age of patients. In children older than 4 years and adults, the optimal strategy may be to use different method of reconstruction of the right ventricular outflow tract from those followed in younger children, so as to avoid, or reduce, the pulmonary insufficiency that is increasingly known to compromise right ventricular function.MethodsFrom April, 2001, through May, 2008, we undertook complete repair in 312 patients, 180 male and 132 female, with a mean age of 11.3 years ±0.4 years, and a range from 4 to 48 years, with typical clinical and morphological features of tetralogy of Fallot, including 42 patients with the ventriculo-arterial connection of double outlet right ventricle. The operation was performed under moderate hypothermia using blood cardioplegia. The ventricular septal defect was closed with a Dacron patch. When it was considered necessary to resect the musculature within the right ventricular outflow tract, or perform pulmonary valvotomy, we sought to preserve the function of the pulmonary valve by protecting as far as possible the native leaflets, or creating a folded monocusp of autologous pericardium.ResultsThe repair was achieved completely through right atrium in 192, through the right ventricular outflow tract in 83, and through the right atrium, the outflow tract, and the pulmonary trunk in 36 patients. A transjunctional patch was inserted in 169 patients, non-valved in all but 9. There were no differences regarding the periods of aortic cross-clamping or cardiopulmonary bypass. Of the patients, 5 died (1.6%), with no influence noted for the transjunctional patch. Of those having a non-valved patch inserted, three-tenths had pulmonary regurgitation of various degree, while those having a valved patch had minimal pulmonary insufficiency and good right ventricular function postoperatively, this being maintained after follow-up of 8 to 24-months.ConclusionsBased on our experience, we suggest that the current strategy of repair of tetralogy of Fallot in older children and adults should be based on minimizing the insertion of transjunctional patches, this being indicated only in those with very small ventriculo-pulmonary junctions. If such a patch is necessary, then steps should be taken to preserve the function of the pulmonary valve.


2017 ◽  
Vol 27 (4) ◽  
pp. 625-629 ◽  
Author(s):  
Julien I. E. Hoffman

AbstractTetralogy of Fallot can be corrected with very low mortality at any age, even in neonates, but this does not necessarily mean that it should be corrected in the neonatal period. Although there are many advantages to early correction, a high proportion of these neonates have residual stenosis or pulmonary regurgitation that impairs ventricular function and may require further surgery or implantation of a pulmonary valve. Before we had the ability to correct this anomaly with low mortality in small children, a variety of palliative procedures had to be performed. Today, with better understanding of the anatomy of tetralogy of Fallot, we should consider what forms of palliation will increase growth of the right ventricular outflow tract in order to reduce the complications of very early surgery.


2005 ◽  
Vol 15 (S1) ◽  
pp. 58-63 ◽  
Author(s):  
James A. Quintessenza ◽  
Jeffrey P. Jacobs ◽  
Paul J. Chai ◽  
Victor O. Morell ◽  
Jorge M. Giroud ◽  
...  

After repair of tetralogy of Fallot, many patients present in need of reoperative surgical reconstruction of the right ventricular outflow tract. The predominant physiologic lesion is pulmonary insufficiency, but there may also be varying degrees of obstruction of the right ventricular outflow tract. In the past, it has been felt that patients tolerate pulmonary insufficiency reasonably well. In some patients, however, the long-term effects of pulmonary insufficiency and subsequent right ventricular dilation and dysfunction are associated with poor exercise tolerance and increased incidence of arrhythmias and sudden death.1,2 Numerous studies support replacement of the pulmonary valve as treatment for pulmonary insufficiency in order to improve performance, optimize hemodynamics, and better control arrhythmias.3–10 The indications for reconstruction of the right ventricular outflow tract in this setting, nonetheless, as well as the operative strategy, continue to evolve. There are multiple surgical options for replacement of the pulmonary valve for these patients, including aortic and pulmonary homografts, stented and stentless porcine valves, porcine valved conduits, bovine jugular venous conduits, and even mechanical valves and mechanical valved conduits.11–32 It was a less than ideal experience with these currently available options that stimulated our interest into employing alternative materials and techniques. Favorable experimental and clinical experience with valves made of a polytetrafluoroethylene monoleaflet33–36 encouraged us to consider a new method of reconstruction with this material, using a bifoliate polytetrafluoroethylene valve. In this work, we review our indications for replacement of the pulmonary valve after repair of tetralogy of Fallot, the surgical options available, and our experience reconstructing the right ventricular outflow tract with a new surgically created bifoliate polytetrafluoroethylene valve.


F1000Research ◽  
2018 ◽  
Vol 7 ◽  
pp. 679 ◽  
Author(s):  
Matthew I Jones ◽  
Shakeel A Qureshi

Surgical repair of tetralogy of Fallot (ToF) in childhood is associated with generally good outcomes, and almost all children can be expected to survive until adulthood. However, significant pulmonary regurgitation leading to progressive right ventricular dilatation is common in teenagers or young adults because of the nature of the surgical intervention. In patients whose repair included placement of a right ventricle to pulmonary artery conduit, it has been possible to place a stented valve within the conduit to treat this. Pulmonary regurgitation after repair of ToF via a transannular patch technique has historically involved repeat surgery as the dimensions of the right ventricular outflow tract have been too large for commercially available valves. This review summarises the novel transcatheter valves available for management of pulmonary regurgitation after surgical repair of ToF in patients in whom the dimensions of the right ventricular outflow tract have previously been considered too large for transcatheter valve implantation.


1994 ◽  
Vol 4 (2) ◽  
pp. 103-109 ◽  
Author(s):  
Toshikatsu Yagihara ◽  
Hidefumi Kishimoto ◽  
Fumio Yamamoto ◽  
Kyoichi Nishigaki ◽  
Osamu Matsuki ◽  
...  

AbstractFive infants under three months of age with tetralogy of Fallot and absence of the leaflets of the pulmonary valve were successfully corrected using a one-stage repair. All patients suffered from respiratory failure preoperatively and surgery was performed somewhat urgently. The age at surgery ranged from 26 to 72 days, with an average of 47±17 days. The surgical procedures involved four steps. First, we plicated the aneurysmally dilated central pulmonary arteries. Second, we closed the ventricular septal defect. We then inserted a handmade heterograft pericardial valve at the site of the pulmonary valve, and completed the reconstruction of the right ventricular outflow tract with a patch. All patients survived. Two of them were successfully weaned from ventilation at early (two and 11 days, respectively) periods after surgery, but the remaining three patients required artificial ventilation for one to two months. We conclude that one-stage repair is possible for this anomaly, but that plication of the pulmonary trunk is an essential technique todeliver patients in early infancy from respiratory failure.


2017 ◽  
Vol 8 (2) ◽  
pp. 174-181 ◽  
Author(s):  
Anil Dharmapuram ◽  
Nagarajan Ramadoss ◽  
Sudeep Verma ◽  
Vejendla Gouthami ◽  
Ivatury Rao

Background: During repair of tetralogy of Fallot (TOF), when a transannular patch is needed in case of a small annulus and dysplastic pulmonary valve, we chose to reconstruct the right ventricular outflow tract by augmenting the divided anterior leaflet with an extracellular matrix (ECM) patch to produce a competent valve. In this study, we present our preliminary experience and early outcomes. Methods: From March 2013 to December 2015, of the 206 patients who underwent primary repair of TOF, 52 required a transannular incision. The median age was 18 months and the median weight was 8.2 kg. The native hinge mechanism of the valve was preserved by dividing only the anterior leaflet at the time of the transannular incision and augmenting it with an ECM patch that was sutured to the endocardium and to the divided leaflet. Results: Two patients died due to reasons not related to the use of the patch. Intraoperative evaluation showed a competent pulmonary valve without significant outflow gradient. During early follow-up (median 20 months), all patients were doing well without any decongestive therapy. Valve regurgitation was assessed as severe in 2, moderate in 26, and mild in 22 patients. In the majority of patients, the valve appeared thin and pliable in spite of mild to moderate regurgitation. Conclusions: Early experience with the use of ECM in repair of TOF shows satisfactory outcomes. It does not show obvious growth of the material. Long-term follow-up will be required in order to assess whether the valve function is durable without acquisition of significant regurgitation.


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