Table 3

Univariate analysis for determinants of mortality after aorto-bifemoral bypasses surgery

nonsurvivors/survivors

Variable

n = 9 n = 66

Odds ratio (95% CI)

P


Type of AFB surgery

for Aneurysmatic disease

4 (44)/23 (35)

1.50 (0.36 - 6.12)

0.575

for occlusive disease

5 (56)/43 (65)

1

Age

73 (67-76)/55 (62-70)

1.15 (1.03 - 1.28)

0.015

Gender

-

0.999

Female

0 (0)/2 (3)

Male

9 (100)/64 (97)

BMI, median

20 (21-29)/24 (21-26)

0.96 (0.74 - 1.24)

0.733

Duration of anaesthesia (min.)

333(330-450)/300 (264-357)

1.01 (1.00 - 1.01)

0.117

ASA Physical status

I/II

1 (11)/25(38)

1

III/IV

8 (89)/41(62)

4.88 (0.58 - 41.36)

0.146

Temperature at admission

34.3(34.0-35.1)/34.5(33.3-35.9)

0.96 (0.61 - 1.50)

0.848

Troponin at admission

0.01(0.01-0.05)/0.02(0.01-0.04)

0.001 (0 - 3500)

0,656

Hypertension

6(67)/49 (74)

0.63 (0.16 - 3.09)

0.631

Hyperlipidemia

4 (44)/33(50)

0.80 (0.20 - 3.25)

0.755

Ischaemic heart disease

3 (33)/29(44)

0.64 (0.15 - 2.77)

0.549

Congestive heart disease

6 (67)/13 (20)

8.15 (1.80 - 37.01)

0.007

Cerebrovascular disease

2 (22)/5(8)

3.49 (0.57 - 21.45)

0.178

Insulin therapy for diabetes

0 (0)/3 (5)

-

0.999

Renal insufficiency

2 (22)/1 (2)

18.57 (1.49 - 231.7)

0.023

RCRI

≤ 2

1(11)/34 (52)

1

>2

8 (89)/32 (49)

8.50 (1.01 - 71.83)

0.049

Previous score in Katz scale

0/0

-

0.999

Previous score in Lawton scale

7 (7-7)/7(4-7)

0.76 (0.48-1.18)

0.215

SAPS II, median

33 (19-60)/18 (13-23)

1.09 (1.04 - 1.14)

0.001

APACHE II

13 (15-25)/8 (6-11)

1.51 (1.17 - 1.83)

0.001

Length of PACU stay (hours)

93 (45-140)/44 (34-66)

1.01 (1.00 - 1.02)

0.066

Length of Hospital stay (days)

9 (8-32)/11(8-27)

1.00 (0.98 - 1.02)

0.990


AFB, aorto-bifemoral bypass surgery; BMI, Body mass index; ASA, American Society of anesthesiologists, COPD, Chronic obstructive pulmonary disease; RCRI, Revised cardiac risk index; PACU, Post Anaesthesia Care Unit, SAPS, Simplified Acute Physiology Score; APACHE II Acute Physiology & Chronic Health Evaluation

Abelha et al. BMC Cardiovascular Disorders 2010 10:15   doi:10.1186/1471-2261-10-15

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