Complex valvular procedures: ross, mitral, redos--time enough?

Area of Science:

• Cardiac Surgery
• Cardiovascular Research
• Thoracic Surgery

Background:

• Lengthy ischemic times are a concern in complex valvular surgeries, potentially affecting procedure choice and outcomes.
• Managing complex valve cases, especially with concurrent revascularization, requires strategies to minimize myocardial damage and ensure patient safety.

Purpose of the Study:

• To evaluate the efficacy and safety of an integrated, streamlined blood cardioplegic delivery system for complex valvular procedures.
• To assess the feasibility of using this technique for training in complex valvular repairs.
• To report outcomes of a 10-year experience with the Ross procedure and complex mitral valve interventions.

Main Methods:

• Utilized an integrated, streamlined blood cardioplegic delivery system for complex valvular procedures.
• Conducted a retrospective review of 120 patients undergoing the Ross procedure over 10 years.
• Included data on complex mitral valve repairs and replacements, as well as aortic stenosis, insufficiency, and infective endocarditis cases.

Main Results:

• Achieved good overall results for complex valvular procedures, including those combined with revascularization.
• Reported an overall surgical mortality rate of 2.5% for all procedures.
• Demonstrated a 0% mortality and 100% cure rate for the infective endocarditis subset.

Conclusions:

• Integrated blood cardioplegic delivery is effective for managing complex valvular procedures, including those with revascularization, with favorable outcomes.
• This technique provides adequate myocardial protection for complex valvular repairs and is suitable for surgical training.
• The Ross procedure and complex mitral valve interventions can be performed safely with low mortality, particularly in infective endocarditis cases.