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Table 4 Intraoperative data and hospital disposition by lesion functional status

From: Hemodynamic instability during percutaneous ablation of extra-adrenal metastases of pheochromocytoma and paragangliomas: a case series

Characteristic

First Ablation Episodea

(n = 21)

P valueb

All Ablation Episodesa

(N = 38)

P valueb

Functional Tumor

Functional Tumor

No (n = 6)

Yes (n = 15)

No (n = 14)

Yes (n = 24)

Arterial line

3 (50)

14 (93)

0.053

9 (64)

21 (88)

0.12

Central venous catheter

1 (17)

1 (7)

0.50

3 (21)

3 (13)

0.65

Vasodilator, any

2 (33)

10 (67)

0.33

3 (21)

16 (67)

0.02

 Nitroprusside

2 (33)

7 (47)

 

3 (21)

12 (50)

 β-adrenergic blocker

1 (17)

7 (47)

 

1 (7)

10 (42)

 Clevidipine

0 (0)

1 (7)

 

1 (7)

1 (4)

Vasopressor, any

2 (33)

8 (53)

0.64

7 (50)

14 (58)

0.74

 Phenylephrine

2 (33)

8 (53)

 

7 (50)

14 (58)

 Epinephrine

0 (0)

0 (0)

 

0 (0)

1 (4)

 Vasopressin

0 (0)

0 (0)

 

0 (0)

1 (4)

Blood pressure, mm Hg

 Maximum

  Systolic

149 (±36)

176 (±36)

0.15

147 (±29)

184 (±40)

0.005

  Diastolic

80 (±12)

102 (±21)

0.02

79 (±11)

100 (±20)

0.001

  Mean arterial

98 (±16)

126 (±25)

0.02

103 (±27)

134 (±37)

0.01

 Minimum

  Systolic

84 (±11)

79 (±17)

0.49

83 (±16)

77 (±17)

0.31

  Diastolic

44 (±10)

44 (±12)

0.94

44 (±10)

42 (±10)

0.69

  Mean arterial

57 (±12)

51 (±20)

0.55

56 (±10)

50 (±18)

0.22

 Rangec

  Systolic

65 (±42)

97 (±46)

0.16

64 (±30)

106 (±48)

0.005

  Diastolic

36 (±18)

58 (±25)

0.06

35 (±14)

58 (±22)

0.002

  Mean arterial

42 (±25)

74 (±35)

0.051

47 (±29)

84 (±43)

0.007

Systolic pressure ≥200 mm Hg

1 (17)

2 (13)

>0.99

1 (7)

7 (29)

0.22

Mean arterial pressure ≤55 mm Hg

4 (67)

8 (53)

0.66

8 (57)

14 (58)

>0.99

Heart rate, beats/min

 Maximum

95 (±28)

96 (±25)

0.91

91 (±22)

95 (±25)

0.62

 Minimum

52 (±8)

54 (±11)

0.70

50 (±9)

50 (±10)

0.93

 Range

43 (±24)

43 (±28)

0.98

42 (±21)

45 (±27)

0.67

Intraoperative fluid requirement, L

1.6 (±0.9)

1.5 (±0.6)

0.85

1.7 (±0.7)

1.7 (±0.6)

0.96

Intensive care unit admission

0 (0)

1 (7)

>0.99

1 (7)

4 (17)

0.63

Hospital stay after ablation, daysd

>0.99

  

0.80

 1

4 (67)

8 (53)

 

9 (64)

13 (57)

 

 2

1 (17)

4 (27)

 

2 (14)

6 (26)

 

 ≥3d

1 (17)

3 (20)

 

3 (21)

4 (17)

 
  1. aValues are No. (%) or mean (±SD)
  2. bFisher exact test for categorical data; 2-sample t test for continuous data
  3. cCalculated for each patient as maximum value – minimum value
  4. dFor hospital length of stay (LOS), data are summarized for 37 ablation episodes (14 nonfunctional, 23 functional) where the patient was discharged alive. Seven patients were hospitalized ≥3 days for the following reasons: 2 patients underwent cementoplasty as a separate procedure (LOS, 3 days each); 1 patient received postoperative anticoagulotherapy because of recurrent deep vein thrombosis (LOS, 4 days); 1 patient had postprocedural bleeding (LOS, 3 days); 3 patients had ablation as an initial part of treatment and had other major surgeries during the same hospital stay (corpectomy/discectomy [LOS, 4 days]; wedge resection of metastatic lesions in the liver [LOS, 5 days]; and repair of a ventral hernia [LOS, 5 days])
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BMC Anesthesiology

ISSN: 1471-2253

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