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Review
. 2022 Jun;37(6):1684-1690.
doi: 10.1111/jocs.16453. Epub 2022 Mar 29.

Current trends in minimally invasive valve-sparing aortic root replacement-Best available evidence

Davorin Sef  1 , Toufan Bahrami  1 , Shahzad G Raja  1 , Tomislav Klokocovnik  2
Affiliations
Review

Current trends in minimally invasive valve-sparing aortic root replacement-Best available evidence

Davorin Sef et al. J Card Surg. 2022 Jun.

Abstract

Background: Valve-sparing aortic root replacement such as the reimplantation (David) procedure is becoming increasingly popular. Despite the fact that the procedure is technically more complex, long-term studies demonstrated that excellent clinical outcomes in selected patients with durable repair are achievable. Benefits of minimal access cardiac surgery have stimulated enthusiasm in the use of this access for valve-sparing aortic root replacement.

Methods: We have reviewed available literature on the topic of valve-sparing aortic root replacement (David procedure) via minimally invasive access through upper hemisternotomy in an attempt to assess current trends and to recognize potential advantages of this technique. Patient selection and preoperative work-up play important role in performing minimally invasive David procedure safely. Surgical technique corresponds to the standard David procedure, with a few exceptions related to the minimal access, and is performed via upper ministernotomy.

Results and conclusion: Evidence from nonrandomized observational and comparative studies demonstrated excellent clinical outcomes of minimally invasive David procedure in selected patients with comparable perioperative mortality and outcomes to the conventional technique. To date, David procedure with a minimal access technique has been performed in carefully selected patients. We believe it could be particularly beneficial to provide younger patients (Marfan syndrome and bicuspid aortic valve) with minimally invasive David procedure as it can allow faster recovery with improved cosmesis with excellent outcomes. A decision to perform minimally invasive David procedure should be individualized to each patient and based on the experience of the team. Further large prospective randomized studies with long-term follow-up are still needed to confirm durability of minimal access technique.

Keywords: David procedure; aortic root aneurysm; hemisternotomy; minimally invasive cardiac surgery; valve-sparing aortic root replacement.

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References

REFERENCES

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    1. David TE, Feindel CM. An aortic valve-sparing operation for patients with aortic incompetence and aneurysm of the ascending aorta. J Thorac Cardiovasc Surg. 1992;103(4):617-621.
    1. Beckmann E, Martens A, Krüger H, et al. Aortic valve-sparing root replacement with Tirone E. David's reimplantation technique: single-centre 25-year experience. Eur J Cardiothorac Surg. 2021;60(3):642-648.
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