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Table 1 Demographic and perioperative characteristics of the study population

From: Assessment of the effect on blood loss and transfusion requirements when adding a polyethylene glycol sealant to the anastomotic closure of aortic procedures: a case–control analysis of 102 patients undergoing Bentall procedures

Bentall procedure

PEG sealant (N = 48)

Control (no sealant) (N = 54)

p-value

Demographic characteristics

Gender (male)

31

37

NS

Age (years)

66.9 ± 9.5

70.3 ± 10.9

NS

Weight (kg)

82.6 ± 15.1

78.9 ± 13.9

NS

Surgical history (n,%)

6 (12.5)

6 (11.1)

NS

 Aortic-valve replacement

3

2

NS

 CABG

3

4

NS

EuroSCORE

13.7 ± 7.7

14.4 ± 6.2

NS

Preoperative characteristics

Urgency of surgery (%)

   

 Elective

42 (87.5)

46 (85.2)

NS

 Urgent

4 (8.3)

6 (11.1)

NS

 Emergent

2 (4.2)

2 (3.7)

NS

Intraoperative characteristics

CPB time (min)

167.71 ± 64.24

155.94 ± 46.35

NS

Aortic clamp time (min)

109.71 ± 36.88

102.64 ± 26.52

NS

Total operative duration (min)

215.40 ± 69.35

231.78 ± 65.25

NS

Postoperative characteristics

Drainage volume (ml, within 48 hours)

985 ± 972

1709 ± 1302

0.002

(220–6500)

(325–7500)

RBC (average per patient in ml)

761 ± 863

1248 ± 1206

0.02

FFP (average per patient in ml)

413 ± 532

779 ± 834

0.009

Rethoracotomy (n,%)

1 (2)

6 (11.1)

0.07

  Due to diffuse bleeding

1

3

 

  Due to hematoma

0

3

 

Duration of ICU stay (days)

4.2 ± 3.6

6.5 ± 6.3

0.03

Duration of total hospital stay (days)

16.2 ± 8.8

21.0 ± 12.2

0.03

  1. PEG, polyethylene glycol; CABG, Coronary artery bypass graft; CPB, cardiopulmonary bypass; EuroSCORE, European System for Cardiac Operative Risk Evaluation; SD, standard deviation.
  2. P-values calculated using the following statistical tests: Student’s t-test, chi-square test, Wilcoxon-Mann-Whitney test, or Fisher’s exact test. All values are presented as mean ± SD or percentages of subgroup populations.