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Cardiac surgery in Wessex
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This study of 3000 cardio-pulmonary bypass surgeries reveals a significant decrease in early mortality over time. Most patients survived, with many returning to normal life, though facility demand outstrips provision.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Cardiac Surgery
Background:
- Cardiopulmonary bypass (CPB) is a critical technique in modern cardiac surgery.
- Assessing long-term outcomes and mortality rates following CPB is essential for evaluating surgical advancements.
Purpose of the Study:
- To analyze the outcomes of 3000 consecutive surgeries performed using cardiopulmonary bypass.
- To evaluate early mortality rates, long-term survival, and patient quality of life after CPB procedures.
Main Methods:
- Retrospective analysis of 3000 consecutive CPB operations.
- Data collection on early mortality, specific procedure types, and long-term follow-up.
- Patient follow-up ranging from one to 8.5 years post-surgery.
Main Results:
- Overall early mortality decreased from 8.9% in the first 1000 to 4.4% in the third 1000 operations (6.1% total).
- Low mortality for coronary artery bypass grafting (1.3%) and valve replacements (aortic 3.1%, mitral 2.9%).
- 87% of all patients were alive at follow-up, with many returning to work and normal life.
Conclusions:
- Surgical outcomes and survival rates following cardiopulmonary bypass have improved significantly over time.
- Despite positive patient outcomes, long waiting times suggest a need for increased healthcare facility capacity.
- CPB remains a vital and increasingly safe procedure for various cardiac conditions.
Abstract:
The results of 3000 consecutive operations using cardio-pulmonary bypass show that the overall early mortality was 6.1%, dropping from 8.9% in the first 1000 to 4.4% in the third 1000. Operations for valve disease have been the most common, the early mortality for aortic valve replacement being 3.1% and for mitral valve replacement 2.9%. Combined aortic and mitral valve replacement had an early mortality of 4.4%. The number of patients undergoing isolated coronary artery bypass grafting has increased from 59 in the first 1000 to 292 in the third 1000 operations, with an overall early mortality of 1.3%. Six hundred and ninety seven patients underwent surgery for congenital heart disease with an overall early mortality of 10.9% (7.5% in the last 2000 cases). The patients have been followed up from one to 8.5 years. A high proportion have returned to work and enjoy a normal life. At the time of review, 87% of the 3000 patients were alive. Long waiting times for outpatient and inpatient care indicate underprovision of facilities relative to regional demand.