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Nappi et al. Vessel Plus 2021;5:40 https://dx.doi.org/10.20517/2574-1209.2021.06 Page 15 of 20

Table 4. Operative outcomes in surgical approach groups [5,31,36-43]

Operative mortality Procedural success Major bleeding Sternal infection or Stroke All causes mortaluty at 30
Overall
(%) (%) (%) sepsi (%) days

4 institutions within the Northwell Healt System 256 0 201 (78.5) 7 (2.73) 10 (3.9) 3 (1.17) 9 (3.5)
Single Surgical Team (autors ACA and DHA) 53 0 53 N.I. N.I. N.I. 0
Division of Cardiac Surgery of Maryland School of 130 6 (4.6) 96 (73.8) 5 (4) 2 (1.5) 3 (2.2) N.I.
Medicine
Mayo Clinic Rochester 145 113.1 (78)

Re-repair 64 1.02 (1.6)
Replacement 81 3.9 (4.9)

Michigan Medical Centre 450
Fibrillatory Arrest 134 0 N.I. 2 4 (3) 4 (2.9) 10 (7.4)

Beating heart 316 1 N.I. 2 8 (2.6) 7 (2.21) 22 (6.9)
Pennsylvania Health System 305

Re-repair 48 0 40 (83.3) 0 2 (4.16) 0 N.I.
Replacement 257 21 (8) 130 (50.5) 15 (6) 14 (5) 9 (4) N.I.
Medicare Provider Analysis and Review 1627 205 (12.6) 195.24 (12)

Re-repair 285
Replacement 1332

A 10-year single-centre experience 49 6 (12) 2 (4.08) 2 (4) 4 (8) 20 (40.8)
Division of Cardiovascular Surgery, Toronto General 513 46.17 (9)
Hospital

N.I.: Not indicated.

A contemporary analysis of the STS Adult Cardiac Surgery Database revealed that, in the United States during 2015, a little over 2% of patients underwent a
TMViV-T compared to a total of 12,792 surgical procedure of mitral valve repairs and 4548 interventions of mitral valve replacements [8,25,30,34] .

Between 4% and 10% of patients comprised who are managed with a mitral valve repair will require a second operation and usually the reoperation is a mitral
valve replacement. The rationale for this reduced use of re-repair is complex and multifactorial.