Chronic type A dissection in a pulmonary autograft.

Area of Science:

• Cardiovascular Surgery
• Cardiac Transplantation
• Aortic Valve Disease

Background:

• The Ross procedure involves using the patient's own pulmonary valve to replace the aortic valve.
• Neo-aortic root dilatation is a known long-term complication after the Ross procedure.
• Severe aortic valve insufficiency necessitates timely surgical intervention.

Observation:

• A 37-year-old patient presented with severe aortic valve insufficiency.
• Imaging revealed massive dilatation (77 mm) of the neo-aortic root 14 years post-Ross procedure.
• Intraoperative findings indicated a localized chronic dissection of the pulmonary autograft as the cause.

Findings:

• Surgical intervention included a modified Bentall procedure.
• A mechanical composite valve was implanted to address the aortic valve insufficiency.
• The patient experienced an uncomplicated postoperative course.

Implications:

• This case highlights a rare complication of the Ross procedure, emphasizing the need for long-term monitoring.
• The modified Bentall procedure is a viable option for managing severe neo-aortic root dilatation and dissection.
• Successful surgical management can restore aortic valve function and improve patient outcomes.