Background and Objective: The complex geometry of the right ventricle has hindered the eco-cardiographic assessment of the systolic function. Then, various methods have been employed: Systolic Excursion of the Plane of the Tricuspid Ring, TEI Index and Tissue Doppler. For example, on patients with a Systemic Right Ventricle, such as those operated on TGV through the Mustard Technique, the assessment and the eco-cardiographic study must be complemented through an Analysis-Based Ergometric Test, measuring the functional capability of them.
Material and Methods: This study includes 49 cases operated on TGV (Mustard Technique), where a correlation was made between the eco-cardiographic techniques of systolic function of the right ventricle and the functional capability – through a conventional ergometric test.
Results: It was found that in 36 cases (accounting for 73%) the various eco-cardiographic indicators of systolic function of the right ventricle, according to the age groups, were comparatively lower than those reported in the related literature. However, these patients were symptom-free and had a normal functional capability during the effort test. In nine patients (accounting for 18%) there were effort-related arrhythmias, with a decrease in their functional capability and low eco-cardiographic levels; three patients (6%) underwent new surgeries because of tunnel obstructions and one patient (2%) showed a real dysfunction of the right ventricle with low eco-cardiographic levels and decrease in functional capability.
Conclusions: It was concluded that the combination of the eco-cardiographic and the ergometric analyses provides important data to determine the existence of a real dysfunction of the systemic right ventricle in patients operated on TGV through the Mustard Technique.
Publicación: Septiembre - Noviembre/2009
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