Skip to main content

Table 3 Reoperation data of IMHA patients

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)