Table 1. Summary characteristics of included studies in the present systematic review and meta-analysis.
| First author | Year | Treatment center | Study period | Study design | n (MIrAVR) | n (CrAVR) | Minimally invasive reoperative approach | Mean follow-up (months) |
|---|---|---|---|---|---|---|---|---|
| Byrne | 1999 | Boston | 1996-1998 | OS, R | 20 | 19 | Partial upper ministernotomy | – |
| Grossi | 2000 | New York | 1996-2000 | OS, R | 42 | 0 | Right minithoracotomy | – |
| Svensson | 2001 | Burlington | – | OS, R | 18 | 0 | J ministernotomy | – |
| Mihaljevic | 2004 | Boston | 1996-2003 | OS, R | 63 | 134 | Upper ministernotomy | 39M (IR 1-84) |
| Sharony | 2006 | New York | 1995-2002 | OS, P | 61 | 160 | Minithoracotomy | – |
| Bakir | 2007 | Aalst | 1999-2005 | OS, R | 19 | 0 | J ministernotomy | 23.6±19.7 |
| Totaro | 2009 | Milan | 1997-2007 | OS, R | 77 | 695 | Upper ministernotomy (T and L) | – |
| Gaeta | 2010 | Messina | 1997-2007 | OS, R | 16 | 0 | J or reversed-T ministernotomy | 58M (IR 11-124) |
| Pineda | 2013 | Florida | 2005-2011 | OS, R | 36 | 41 | Right minithoracotomy | 24 |
| Mikus | 2013 | Cotignola | 2007-2012 | OS, R | 38 | 42 | Upper J ministernotomy | – |
| Kaneko | 2014 | Boston | 1997-2011 | OS, R | 51 | 54 | Upper ministernotomy | 36M (IR 14-64) |
MIrAVR, minimally invasive reoperative aortic valve replacement; CrAVR, conventional reoperative aortic valve replacement; n, number of patients; OS, observational study; R, retrospective; P, prospective; M, median; IR, interquartile range; NR, not reported; Dashed lines indicate value was not reported.