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[Surgical treatment of severe forms of atrioventricular canal]
Insights
Surgery for severe atrioventricular canal defects, especially complete forms, can be challenging due to complex clinical and hemodynamic presentations. Early surgical intervention offers encouraging outcomes for patients with persistent shunts and specific pressure ratios.
Area of Science:
- Cardiology
- Pediatric Cardiology
- Cardiac Surgery
Context:
- Atrioventricular canal defects are complex congenital heart conditions.
- Severe forms, including complete atrioventricular canal, present diagnostic and therapeutic challenges.
- Preoperative recognition of specific hemodynamic profiles is crucial for surgical planning.
Purpose:
- To report personal surgical experiences with severe atrioventricular canal defects.
- To delineate criteria for surgical intervention in complex cases.
- To evaluate the efficacy and outcomes of surgical repair.
Summary:
- Severe atrioventricular canal defects often share clinical and hemodynamic features complicating preoperative diagnosis.
- Surgical indication is delicate in cases with intense mitral incompetence and equalized right/left pressures.
- Operative success is indicated by persistent left-to-right shunts, adequate peripheral saturation, and a PR/SR ratio below 0.7.
Impact:
- Surgical repair of severe atrioventricular canal defects yields encouraging mid-term results.
- Surgical intervention is justified given the often-severe spontaneous prognosis of these conditions.
- This experience supports the role of timely surgical repair in improving patient outcomes.
Abstract:
Report of a personal experience of surgery in severe forms of artrio-ventricular canal. These include on the one side complete forms. They have in common clinical and haemodynamic characters which make difficult their recognition before their surgical exploration. In the forms with very intense mitral incompetence and equal pressures on the right and left sides, the indication for operation is often a delicate procedure. hen a marked felt-tto-right shunt persists, when there is no excessive peripheral arterial saturation when the PR/SR ratio is lower than 0.7, surgery should be performed. The middle-term results of the patients who survived the operation are on the whole very encouraging, and justify the resort to surgical repair, the more so that the spontaneous prognosis of the disease is often a severe one.