From: Intractable mechanical hemolytic anemia complicating mitral valve surgery: a case series study
Early IMHA | Late IMHA | Total | |
---|---|---|---|
Onset time after the first mitral valve operation | |||
0–6 months | 10 (100) | 0 (0) | 10 (40) |
6–12 months | 0 (0) | 0 (0) | 0 (0) |
1–10 years | 0 (0) | 7 (47) | 7 (28) |
10–20 years | 0 (0) | 6 (40) | 6 (24) |
20–30 years | 0 (0) | 2 (13) | 2 (8) |
Reoperation etiologies | |||
Surgical defects | 6 (60) | 0 (0) | 6 (24) |
Degeneration | 0 (0) | 13 (87) | 13 (52) |
Infection | 3 (30) | 1 (7) | 4 (16) |
Vasculitis | 1 (10) | 0 (0) | 1 (4) |
Trauma | 0 (0) | 1 (7) | 1 (4) |
Mitral valve dysfunction type | |||
Paravalvular leak | 4 (40) | 12 (80) | 16 (64) |
Open-closure dysfunction | 4 (40) | 3 (20) | 7 (28) |
Perforation | 2 (20) | 0 (0) | 2 (8) |
Paravalvular leakage location (midpoint) | |||
2–3 o’clock | 2 (50) | 4 (33) | 6 (38) |
5–8 o’clock | 2 (50) | 3 (25) | 5 (31) |
10–12 o’clock | 0 (0) | 3 (25) | 3 (19) |
Unknown | 0 (0) | 2 (17) | 2 (13) |
Reoperation | |||
Mitral valve replacement | 8 (80) | 14 (93) | 22 (88) |
Mitral valve repair | 1 (10) | 0 (0) | 1 (4) |
Died before reoperation | 1 (10) | 1 (7) | 2 (8) |
Valve brand | |||
CarboMedics | 2 (25) | 6 (43) | 8 (36) |
Medtronics | 2 (25) | 3 (21) | 5 (23) |
St Jude | 2 (25) | 2 (14) | 4 (18) |
Sorin | 0 (0) | 1 (7) | 1 (5) |
Unknown | 2 (25) | 2 (14) | 4 (18) |