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Table 4 Treatment efficacy in acquired angioedema C1-inhibitor patients with anti-C1-INH autoantibodies (N = 8)

From: Angioedema due to acquired C1-inhibitor deficiency: spectrum and treatment with C1-inhibitor concentrate

Patient

Gender

(M/F)

Type of anti-C1-INH autoantibodies

Untreated attacks

(n)

Mean duration of untreated attacks

(h)

Treated attacks

(n)

Mean duration of treated attacks a

(h)

Mean shortening of attacks with treatment (h, (%))

Effectively treated attacks b

(n (%))

1

F

IgG

124

72

820

9.5

62.5 (86.8)

820 (100)

2

M

IgG, IgM

208

60

13

79

−19 (−31.7)

1 (8.3)

3

M

IgG

648

84

12

41.5

42.5 (50.6)

12 (100)

4

M

IgG, IgM

79

96

16

26

70 (72.9)

16 (100)

5

F

IgA

89

84

24

38

46 (54.8)

22 (91.7)

6

M

IgG

59

96

303

24.25

71.75 (74.7)

303 (100)

7

M

IgG, IgM

144

120

71

11

109 (90.8)

70 (98.6)

8

F

IgG, IgM

283

72

70

51.5

20.5 (28.5)

68 (97.1)

Total

1634

1329

1246 (93.8)

  1. atime between onset of attack and injection + time between injection and resolution of symptoms
  2. bas assessed by the patient
  3. C1-INH = C1-inhibitor; F = Female; Ig = Immunoglobulin; M = Male