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Keywords = pulmonary root translocation

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27 pages, 2404 KiB  
Review
Pathogenesis and Surgical Treatment of Congenitally Corrected Transposition of the Great Arteries (ccTGA): Part III
by Marek Zubrzycki, Rene Schramm, Angelika Costard-Jäckle, Michiel Morshuis, Jochen Grohmann, Jan F. Gummert and Maria Zubrzycka
J. Clin. Med. 2024, 13(18), 5461; https://doi.org/10.3390/jcm13185461 - 14 Sep 2024
Cited by 2 | Viewed by 3994
Abstract
Congenitally corrected transposition of the great arteries (ccTGA) is an infrequent and complex congenital malformation, which accounts for approximately 0.5% of all congenital heart defects. This defect is characterized by both atrioventricular and ventriculoarterial discordance, with the right atrium connected to the morphological [...] Read more.
Congenitally corrected transposition of the great arteries (ccTGA) is an infrequent and complex congenital malformation, which accounts for approximately 0.5% of all congenital heart defects. This defect is characterized by both atrioventricular and ventriculoarterial discordance, with the right atrium connected to the morphological left ventricle (LV), ejecting blood into the pulmonary artery, while the left atrium is connected to the morphological right ventricle (RV), ejecting blood into the aorta. Due to this double discordance, the blood flow is physiologically normal. Most patients have coexisting cardiac abnormalities that require further treatment. Untreated natural course is often associated with progressive failure of the systemic right ventricle (RV), tricuspid valve (TV) regurgitation, arrhythmia, and sudden cardiac death, which occurs in approximately 50% of patients below the age of 40. Some patients do not require surgical intervention, but most undergo physiological repair leaving the right ventricle in the systemic position, anatomical surgery which restores the left ventricle as the systemic ventricle, or univentricular palliation. Various types of anatomic repair have been proposed for the correction of double discordance. They combine an atrial switch (Senning or Mustard procedure) with either an arterial switch operation (ASO) as a double-switch operation or, in the cases of relevant left ventricular outflow tract obstruction (LVOTO) and ventricular septal defect (VSD), intra-ventricular rerouting by a Rastelli procedure. More recently implemented procedures, variations of aortic root translocations such as the Nikaidoh or the half-turned truncal switch/en bloc rotation, improve left ventricular outflow tract (LVOT) geometry and supposedly prevent the recurrence of LVOTO. Anatomic repair for congenitally corrected ccTGA has been shown to enable patients to survive into adulthood. Full article
(This article belongs to the Section Cardiology)
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14 pages, 1756 KiB  
Systematic Review
Double-Outlet Left Ventricle: Case Series and Systematic Review of the Literature
by Michele Lioncino, Giulio Calcagni, Fausto Badolato, Giovanni Antonelli, Benedetta Leonardi, Andrea de Zorzi, Aurelio Secinaro, Gianluca Brancaccio, Sonia Albanese, Adriano Carotti, Fabrizio Drago and Gabriele Rinelli
Diagnostics 2023, 13(20), 3175; https://doi.org/10.3390/diagnostics13203175 - 11 Oct 2023
Cited by 2 | Viewed by 2335
Abstract
Double-outlet left ventricle (DOLV) is an abnormal ventriculo-arterial connection characterized by the origin of both great arteries from the morphological left ventricle. The aim of our paper is to describe the morphological and imaging features of DOLV and to assess the prevalence of [...] Read more.
Double-outlet left ventricle (DOLV) is an abnormal ventriculo-arterial connection characterized by the origin of both great arteries from the morphological left ventricle. The aim of our paper is to describe the morphological and imaging features of DOLV and to assess the prevalence of the associated malformations and their surgical outcomes. METHODS From 2011 to 2022, we retrospectively reviewed the electronic case records of patients diagnosed with DOLV at the Bambino Gesu Children’s Hospital. A systematic search was developed in MEDLINE, Web of Science, and EMBASE databases to identify reports assessing the morphology and outcomes of DOLV between 1975 and 2023. RESULTS: Over a median follow-up of 9.9 years (IQR 7.8–11.7 y), four cases of DOLV were identified at our institution. Two patients were diagnosed with (S,D,D) DOLV subaortic VSD and pulmonary stenosis (PS): one patient had (S,D,D) DOLV with doubly committed VSD and hypoplastic right ventricle, and another patient had (S,D,L) DOLV with subaortic VSD and PS (malposition type). Pulmonary stenosis was the most commonly associated lesion (75%). LITERATURE REVIEW: After systematic evaluation, a total of 12 reports fulfilled the eligibility criteria and were included in our analysis. PS or right ventricular outflow tract obstruction was the most commonly associated lesion (69%, 95% CI 62–76%). The most common locations of VSD were subaortic (pooled prevalence: 75%, 95% CI 68–81), subpulmonary (15%, 95% CI 10–21), and doubly committed (7%, 95% CI 4–12). The position of the great arteries showed that d-transposition of the aorta was present in 128 cases (59% 95% CI 42–74), and l-transposition was present in 77 cases (35%, 95% CI 29–43). Full article
(This article belongs to the Section Pathology and Molecular Diagnostics)
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