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. 2022 Feb 24:13:46-51.
doi: 10.1016/j.xjtc.2022.01.023. eCollection 2022 Jun.

Robotic mitral valve surgery after prior sternotomy

Talia G Meidan  1 , Allison T Lanfear  1 , John J Squiers  1 , Mohanad Hamandi  1 , Bruce W Lytle  2 , J Michael DiMaio  2 , Robert L Smith  2 ; Redo Robotic Mitral Valve Surgery Collaborative
Collaborators, Affiliations

Robotic mitral valve surgery after prior sternotomy

Talia G Meidan et al. JTCVS Tech. .

Abstract

Objective: Despite the recent increase in the use of minimally invasive approaches to mitral valve surgery in patients with a prior sternotomy, the outcomes of the robotic approach to mitral valve surgery in this patient population have not been examined.

Methods: We retrospectively reviewed 342 consecutive patients who underwent mitral valve surgery after a prior sternotomy between 2013 and 2020, in which the robotic approach was used in 21 patients (6.1%). We reviewed the clinical details of these 21 patients.

Results: The median age was 71 years [interquartile range 64.00, 74.00 years], and mean Society of Thoracic Surgeons Predicted Risk of Mortality was 4.2% ± 3.8%. The indication for mitral valve surgery was degenerative mitral valve disease in 33.3% (7/21), functional disease in 28.6% (6/21), mixed disease in 4.8% (1/21), rheumatic disease in 9.5% (2/21), and failed repair for degenerative disease in 23.8% (5/21). No cases required conversion from robotic assistance to alternative approaches, there were no intraoperative deaths, and intraoperative transesophageal echocardiogram confirmed complete elimination of mitral regurgitation in 90.5% (19/21) of cases. Thirty-day mortality was 0.0% (0/21), and 1-year mortality was 4.8% (1/21). There were no strokes or wound infections at 30 days, and 14.3% (3/21) of patients received intraoperative blood product transfusions.

Conclusions: The results of this retrospective review suggest that the robotic approach to mitral valve surgery in patients with a prior sternotomy is safe in experienced hands. Although some centers have considered prior sternotomy a relative contraindication to robotic mitral valve surgery, this approach is feasible and can be considered an option for experienced surgeons.

Keywords: CABG, coronary artery bypass graft; LOS, length of stay; MR, mitral regurgitation; mitral valve; prior sternotomy; redo sternotomy; reoperation; robotic mitral valve surgery.

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Figures

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Mitral valve repair with corresponding echocardiographic imaging.
Figure 1
Figure 1
Mitral valve repair with corresponding echocardiographic imaging.
See this image and copyright information in PMC

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