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PubMed1995

[Transposition of great vessels with position anomaly of the atrioventricular valves or chordae: echocardiographic aspects and surgical correlations].

The authors report the echocardiographic appearances of 27 cases of transposition of the great arteries (TGA) with ventricular septal defect (VSD) (including the Taussig-Bing malformation) complicated by displacement of one or both atrioventricular valves and/or chordae tendinae diagnosed between September 1985 and September 1994. An anatomical repair was performed in 21 cases and allowed accurate correlation of the echocardiographic and peroperative findings; a cavo-bipulmonary conduit or a palliative procedure was performed in 6 cases. The cases were classified in 3 groups: group I: 16 children with isolated tricuspid valve abnormalities; group II: 7 cases of mitral valve straddling; group III: 4 cases of displacement of both atrioventricular valves and/or their chordae. The cases of group I were divided into 3 subgroups: subgroup Ia with insertion of the tricuspid chordae on the infundibular septum (7 cases); subgroup Ib with isolated overriding of the tricuspid valve (2 cases); subgroup Ic straddling with or without overriding of the tricuspid valve (7 cases). In all three groups, there were 10 cases of straddling of the tricuspid and 11 cases of straddling of the mitral valve: 9 type A, 3 type B and 9 type C of Tabry's classification. Echocardiography misdiagnosed one case of type A straddling of the tricuspid valve for a type A overriding and straddling of the mitral valve. The ventricular septal defect was situated in the admission septum in the 10 cases of straddling of the tricuspid; in the 11 cases of straddling of the mitral valve the chordae passed through the superior anterior part of the interventricular septum.(ABSTRACT TRUNCATED AT 250 WORDS)

Child, Preschool↗
PubMed1997

[Pregnancy in patients with transposition of great vessels corrected by the Mustard procedure. Report of a case and review of reported cases].

BACKGROUND: In patients after atrial switch operation (Mustard or Senning procedure) for transposition of the great arteries (TGA), the anatomic right (anterior) ventricle works as the systemic ventricle. Although this is associated with an increased rate of congestive heart failure, the prognosis for long-term survival is good. Therefore a large proportion of these patients has reached their reproductive years and consult cardiologists and obstetricians because they plan a pregnancy or are already pregnant. Because of the substantial hemodynamic changes and the increase in cardiac output during pregnancy, potential risk factors and complications have to be considered. PATIENTS: Initiated by the presentation of a pregnant patient with TGA after surgery in our hospital, we analyzed the information referenced in MEDLINE. Including our patient, there were reports on 27 patients after the Mustard procedure with a total of 39 pregnancies. FETAL OUTCOME: Three abortions occurred during the first trimenon, another one was electively induced because of maternal cardiac deterioration. One late abortion occurred in the 23rd week of pregnancy. 35 babies (one twinpair) were born healthy without cardiovascular anomalies. MATERIAL OUTCOME: No maternal deaths occurred. Eight women developed clinical signs of systemic (= right) heart failure including all three patients with former complex TGA. Four of these patients recovered after delivery, four showed persistent reduction of physical abilities or signs of heart failure. Further complications were supraventricular tachycardias (five patients) and a high incidence of hypertension and pre-eclampsia (22% of patients). CONCLUSION: Overall, the outcome for mothers after Mustard procedure for TGA and their children is good, but there is need for intensive and specialized follow-up.

Adult↗
PubMed1975

[Transposition of great vessels with pulmonary stenosis and interventricular communication. Anatomic and surgical aspects. Apropos of 10 cases].

10 cases of anomalous position of the great vessels are reported. They include 8 cases of d-transpositions, 1 of 1-transposition and 1 anatomically corrected malposition. These cases have in common the combination of a ventricular septal defect with a pulmonary stenosis. The anatomical study (6 of 10 cases) made it possible to describe the type of the VSD (related to a defect of development and/or alinement of parietal on the septal band) and of the pulmonary pathway stenosis. Blalock's anastomosis has made it possible to obtain an improvement in 6 patients. 4 operations of complete cure were undertaken in d-transpositions: 2 Mustard's operations ending in death. 2 operations according to Rastelli's principles with one death and one good result. The case of anatomically corrected malposition died after an attempt at complete cure, in view of a left ventricular hypoplasia. The indication for the type of complete cure was discussed in relation with the anatomical data.

Blood Pressure↗