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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Extended follow up after isolated aortic valve replacement in the elderly
Cara A Wasywich1, Peter N Ruygrok, Teena M West
1Departments of Cardiology and Cardiothoracic Surgery, Green Lane Hospital, Auckland, New Zealand.
Heart, Lung & Circulation
|December 15, 2005
Summary
Elderly patients undergoing aortic valve replacement in the 1980s showed excellent long-term outcomes, especially with allograft valves. Allograft aortic valve replacement demonstrated a survival benefit over mechanical or bioprosthetic valves.
Area of Science:
- Cardiology
- Cardiac Surgery
- Geriatric Medicine
Background:
- Aortic valve replacement (AVR) is a critical procedure for elderly patients with severe aortic stenosis.
- Long-term outcomes of AVR in the elderly population, particularly from earlier surgical eras, require continued evaluation.
Purpose of the Study:
- To review the extended follow-up of elderly patients (>70 years) who underwent isolated AVR in the 1980s.
- To compare the long-term survival and clinical outcomes associated with different prosthetic valve types (allograft, bioprosthetic, mechanical).
Main Methods:
- Retrospective review of a surgical database to identify 93 patients aged 70+ undergoing isolated AVR.
- Detailed long-term follow-up information was obtained from patients, families, or physicians.
- Survival analysis was performed comparing different valve types and the overall cohort to age- and sex-matched populations.
Main Results:
- Allograft valves were associated with significantly better long-term survival (median 10.6 years) compared to mechanical or bioprosthetic valves (median 6.5 years) (P=0.03).
- Overall survival for the cohort was similar to the age- and sex-matched general population.
- Among survivors (mean age 87), most were free from angina (75%) and heart failure (63%).
Conclusions:
- Isolated aortic valve surgery in the elderly, particularly with allograft valves, is associated with excellent long-term outcomes.
- Allograft aortic valve replacement demonstrated a survival benefit compared to other valve types in this elderly cohort.
- AVR in the elderly can lead to favorable long-term functional status and quality of life.
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