Related Experiment Videos
Current status of cardiac surgery in childhood
1Victorian Paediatric Cardiac Surgical Unit, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.
Insights
Congenital heart surgery has advanced significantly due to technological progress and refined techniques. Despite improved outcomes for complex cases, simpler procedures still present challenges for surgical teams.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Medical Technology
Background:
- Congenital cardiac surgery has evolved dramatically over 50 years, paralleling advancements in microtechnology and materials.
- Pioneering techniques for intracardiac repairs in infants, including profound hypothermia and circulatory arrest, emerged in the late 1960s and early 1970s.
Purpose of the Study:
- To review the evolution and current state of congenital heart surgery.
- To highlight advancements in managing complex congenital heart disease.
- To identify future challenges in the field.
Main Methods:
- Historical review of surgical techniques and advancements.
- Analysis of management strategies for congenital heart disease.
- Discussion of current trends and future prospects, including transplantation and facility rationalization.
Main Results:
- Widespread dissemination of safer techniques and refined management packages for complex congenital heart disease.
- Introduction of innovative methods and concepts, including cardiac transplantation as a "second chance" option.
- Establishment of high-volume, low-risk surgical units leading to operative mortality below 5% for complex repairs.
Conclusions:
- Congenital cardiac surgery has achieved remarkable progress, with significant reductions in mortality for complex procedures.
- Cardiac transplantation offers a promising future for specific complex congenital heart conditions.
- Simpler closed cardiac surgeries remain a challenge, requiring focused attention for risk reduction in the coming years.
Abstract:
In the 50 years since Gross (1938) obliterated a patent ductus arteriosus, congenital cardiac surgery has come of age, synchronized with the world explosion in microtechnology and space age materials. The late 1960s and early 1970s saw Barratt-Boyes pioneering complete intracardiac repairs on infants with congenital heart disease employing modifications of the Kyoto technique (Shirotani) for profound hypothermia and circulatory arrest. The past 10-15 years have been marked by the more widespread dissemination of increasingly safe techniques, and the application of progressive incremental refinement to the entire management package of complex congenital heart disease. Many innovative methods and concepts have been added to the therapeutic armamentarium of the congenital heart team. Currently, transplantation adds the prospect of "second chance", and in the future may constitute preferred primary management in certain complex forms of congenital heart disease. In the Western world the concept of "frequency sensitivity" and the value of rationalizing congenital heart surgery facilities, such that a single unit manages a population of 8-12 million, is established, though not necessarily widely accepted and acted upon. High-volume, low-risk units emerge such that operative mortality, despite the high acceptance rate of complex problems and high rates of neonatal and infant complex repairs, has dropped below 5%. Paradoxically, the so-called simple closed surgery (neonatal coarctation, shunts and other palliative procedures in complex congenital heart disease) retain relatively high risk and must be regarded as one of the areas of challenge over the next 5-10 years.