Table 1.
Comparison studies of mechanical and biological valve
| Author | Numbers | Age (y.o) | Follow-up period | Survival rate | TE | Bleeding | SVD | Reoperation | Valve-related complication |
|---|---|---|---|---|---|---|---|---|---|
| Aortic valve | |||||||||
| Brennan (2013)25) | M: 14789 B: 24410 |
65~80 | 12.6 years Max. 17 years |
M >B | M = B (12 years) |
M >B (12 years) |
M <B (12 years) |
M <B (12 years) |
– |
| Stassano (2009)26) | M: 105 B: 105 |
55~70 | 106 months Max. 16 months |
M = B (13 years) |
M = B (13 years) |
M = B (13 years) |
M <B (13 years) |
M <B (13 years) |
M = B (13 years) |
| Weber (2012)27) | M: 103 B: 103 |
>60 | 33 months Max. 10 years |
M >B | – | – | – | M = B | M = B |
| McClure (2014)28) | M: 361 B: 361 |
>65 | 8 years | M = B (14 years) |
M = B (14 years) |
M >B (14 years) |
– | M <B (14 years) |
– |
| Brown (2008)34) | M: 220 B: 220 |
50–70 | M: 9.1 years (Max. 11.9 years) B: 6.2 years (Max. 9.6 years) |
M >B (10 years) |
M = B | M >B | – | M = B (10 years) |
– |
| Nishida (2014)31) | M: 36 B: 111 |
>70 | M: 7.3 years (Max. 23.2 years) B: 4.6 years (Max. 21 years) |
M <B | M = B | M >B | M = B | M = B | M >B |
| M: 67 B: 52 |
60–69 | M: 9.8 years (Max. 25.5 years) B:6.7 years (Max. 25.7 years) |
M = B | M >B | M = B | M <B | M = B | M = B | |
| M: 140 B: 37 |
60> | M: 13.3 years (Max. 28.8 years) B: 9.0 years (Max. 25.5 years) |
M >B | M = B | M = B | M <B | M <B | M <B | |
| Sezai (2015)30) | M: 117 B: 201 |
>65 | M: 6.2 ± 4.3 years (Max. 18.5 years) B: 4.3 ± 3.6 years (Max. 13.7 years) |
M = B | – | – | – | – | M <B |
| Mitral valve | |||||||||
| Kaneko (2014)29) | M: 125 B: 125 |
>65 | M: 8 years B: 3 years |
M >B (15 years) |
M = B (20 years) |
M = B (15 years) |
– | M < B (15 years) |
– |
| Sezai (2015)30) | M: 59 B: 81 |
>65 | M: 6.2 years (Max. 18.5 years) B: 4.3 years (Max. 13.7 years) |
M = B | – | – | – | – | M <B |
TE: thromboembolism; SVD: structural valve deterioration; M: mechanical valve; B: biological valve