The current conventional open TAAA repairs are performed by select centers around
the world with good outcomes. However, lesser experienced centers often encounter
difficulties in replicating similar results of open TAAA surgeries. The modified branch-first
open repair of TAAA has shown to be effective in minimizing visceral and renal complications
by providing continuous visceral blood flow throughout the procedure. By debranching
the visceral vessels first, we can perform this complex aortic procedure in a more
controlled manner as compared to the traditional clamp and sew technique which requires
speed, precision and experience. The entire repair can be performed on beating heart
by deriving native blood flow via a closed circuit or a modification of the left heart
bypass and continuously perfusing the abdominal viscera, thus avoiding cardiopulmonary
bypass or deep hypothermic circulatory arrest which helps minimize bleeding and overall
morbidity associated with extensive TAA surgeries. Adequate pre-operative planning
is imperative to prevent spinal cord complications and intra-operative emergencies.
Keywords
Abbreviations:
TAAA (Thoracoabdominal Aortic Aneurysm), MBFT (Modified Branch-first Technique), TAA (Thoracoabdominal Aortic), CPB (Cardiopulmonary Bypass), DHCA (Deep Hypothermic Circulatory arrest)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: September 02, 2022
Publication stage
In Press Journal Pre-ProofFootnotes
The authors have nothing to disclose pertaining to this study.
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