Prognosis
The success of this procedure is largely dependent on the facilities available, the skill and experience of the surgeon, and the general health of the patient. Under preferable conditions, the intra-operative and post-operative success rate is 96% or more, with a comparable survival rate after 5 years. Approximately 10% of arterial switch recipients develop residual pulmonary stenosis post-operatively, which can lead to right heart failure if left untreated; treatment usually involves endovascular stenting and/or xenograft patching.
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