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[Tetralogy of Fallot. A 20-year material]
K Saatvedt1, H Lindberg, E Seem
1Kirurgisk avdeling A Rikshospitalet, Oslo.
Summary
Surgical repair of tetralogy of Fallot involves palliative shunts or primary repair to improve pulmonary blood flow. Recent data show reduced mortality, especially with primary repair, highlighting advancements in surgical strategies for this congenital heart defect.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Surgery
- Cardiovascular Physiology
Background:
- Tetralogy of Fallot (TOF) management involves palliative or primary surgical repair.
- Palliation aims to increase pulmonary blood flow.
- Surgical strategies have evolved since 1981.
Purpose of the Study:
- To review surgical outcomes for tetralogy of Fallot.
- To evaluate the effectiveness of palliative shunts and primary repair.
- To assess mortality rates associated with different surgical approaches.
Main Methods:
- Retrospective analysis of 333 operative procedures for tetralogy of Fallot between 1973 and 1993.
- Procedures included 107 palliative shunts and 226 primary repairs.
- Mortality data were analyzed for different surgical periods.
Main Results:
- Overall in-hospital mortality was 6% for all procedures.
- From 1990-1993, in-hospital mortality after primary repair was 3%.
- No mortality was observed for palliative procedures during the 1990-1993 period.
Conclusions:
- Surgical repair of tetralogy of Fallot has shown improved outcomes.
- Primary repair is a viable option with acceptable mortality rates.
- Palliative procedures demonstrate a trend towards zero mortality in recent years.