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Table 3 Management during the ICU stay and outcomes of 121 patients with ARF associated with Svv

From: Causes of acute respiratory failure in patients with small-vessel vasculitis admitted to intensive care units: a multicenter retrospective study

 

All patients n  = 121

Immune ARF n  =  67

Non-immune ARF n  = 54

p

Immunosuppressive therapy, n (%)

77

(64)

65

(97)

12

(22)

< 0.0001

 Systemic steroids

75

(62)

65

(97)

10

(19)

< 0.0001

  High-dose pulses

65

(54)

60

(90)

5

(9)

< 0.0001

 Cyclophosphamide

45

(37)

42

(63)

3

(6)

< 0.0001

 Rituximab

14

(12)

13

(19)

1

(2)

0.003

 Plasma exchange

37

(31)

34

(51)

3

(6)

< 0.0001

Other treatments during the first 48 h, n (%)

 Blood transfusion

51

(42)

40

(60)

11

(20)

< 0.0001

 Antibiotics

106

(88)

60

(90)

46

(85)

0.47

 Diuretics

42

(35)

22

(33)

20

(37)

0.63

Management and outcomes in the ICU

 Invasive mechanical ventilation, n (%)

60

(50)

34

(49)

26

(50)

0.94

 ARDS, n (%)

62

(51)

40

(60)

22

(41)

0.038

 Ventilator-associated pneumonia, n (%)

24

(20)

19

(28)

5

(9)

0.009

 Ventilator-free days at day 28, days

23

[5–28]

20

[5–28]

24

[7–28]

0.40

 Shock (vasopressor treatment  > 48 h)

37

(31)

21

(31)

16

(30)

0.84

 Renal replacement therapy

57

(47)

35

(52)

22

(41)

0.21

 Length of ICU stay (all patients)

8

[4–38]

11

[5–20]

5.5

[3–12]

0.014

 Length of ICU stay of survivors only

10.5

[5–23]

13

[7–25]

7

[4–17]

0.018

Mortality, n (%)

 ICU

23

(19)

10

(15)

13

(24)

0.20

 Hospital

29

(24)

11

(16)

18

(33)

0.030

 Day 90a

27/118

(23)

10/65

(15)

17/53

(32)

0.032

 1 yeara

33/118

(28)

13/65

(20)

20/53

(38)

0.033

  1. Continuous variables are reported as median [interquartile range (IQR) 25–75]. Categorical variables are reported as number (percentage)
  2. aThree patients lost to follow-up before d90 (1 in non-immune and 2 in the immune ARF group)