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Table 1 Baseline characteristics between patients with and without an Impella

From: Protective effect of the Impella on the left ventricular function after acute broad anterior wall ST elevation myocardial infarctions with cardiogenic shock: cardiovascular magnetic resonance imaging strain analysis

 

Impella

(n = 7)

Non-Impella

(n = 18)

P value

Age, years

67 ± 10

59 ± 13

0.13

Male gender

6 (86)

17 (94)

0.47

BMI (m2/kg)

21 ± 1.5

25 ± 3.7

0.039

Hemodynamic variables on admission

 Heart rate (beats/min)

85 ± 18

88 ± 18

0.66

 Systolic blood pressure (mmHg)

97 ± 25

121 ± 35

0.034

 Diastolic blood pressure (mmHg)

77 ± 19

84 ± 27

0.36

Minimum systolic blood pressure from admission to PCI

91 ± 20

105 ± 31

0.06

Cardiogenic shock

7 (100)

5 (28)

0.010

History or comorbidities

 Current smoking

1 (17)

9 (53)

0.12

 Hypertension

5 (71)

12 (67)

0.82

 Diabetes mellitus

1 (14)

5 (28)

0.44

 Dyslipidaemia

7 (100)

8 (44)

0.013

Blood values on admission

 Lactate (mmol/l)

2.9 ± 1.4

2.2 ± 1.0

0.24

 Hb (mg/dl)

13.4 ± 1.6

14.8 ± 1.2

0.06

 eGFR (mL/min/1.73 m2)

65 ± 16

74 ± 20

0.33

Blood values at discharge

 NT-proBNP at discharge (pg/ml)

922 (130, 1643)

1645 (559, 2189)

0.32

Support device

 Mechanical ventilation

2 (29)

3 (17)

0.50

 IABP

0 (0)

12 (67)

0.004

 VA-ECMO

1 (14)

1 (6)

0.46

Anterior STEMI

7 (100)

18 (100)

–

Infarct-related artery

 Left main stem

1 (17)

0 (0)

0.74

 Left anterior descending

6 (83)

18 (100)

Multivessel disease

1 (17)

1(6)

0.46

Stent placement

 Drug-eluting stent

6 (100)

17 (100)

 

 Number of DES stents

1.2 ± 0.4

1.2 ± 0.4

0.96

Initial TIMI flow 0

4 (57)

11 (61)

0.60

Final TIMI flow 3

7 (100)

17 (94)

0.72

Max CK (IU/L)

7058 ± 4994

6856 ± 4673

0.96

5964 (2262, 11,273)

5670 (4317, 8655)

Max CK MB (IU/L)

527 ± 355

539 ± 393

0.99

542 (181, 904)

395 (281, 629)

Door to balloon time (min)

60 ± 16

55 ± 24

0.58

Echo parameter on admission

 LVEF (%)

49 ± 11

48 ± 7.3

0.79

 LVEDV (mL)

107 ± 15

118 ± 32

0.53

 LVESV (mL)

50 ± 16

57 ± 20

0.36

 E (cm/s)

73 ± 12

64 ± 21

0.20

 A (cm/s)

73 ± 21

67 ± 23

0.46

 E/A

1.1 ± 0.5

1.1 ± 0.6

0.75

Duration of IMPELLA support (days)

4.0 ± 1.7

–

–

Medications at discharge

 DAPT

7 (100)

18 (100)

–

 RAS inhibitor

7 (100)

18 (100)

–

 Beta blocker

7 (100)

17 (94)

0.72

 Statin

7 (100)

18 (100)

–

Days of coronary care unit (days)

7.4 ± 3.7

6.4 ± 4.0

0.56

Days of hospital admission (days)

27 ± 8

26 ± 8

0.65

Days of CMRI after admission (days)

16 ± 7

20 ± 10

0.36

  1. Values are shown as the number (%), mean ± SD, or median (interquartile ranges)
  2. BMI body mass index, CMRI cardiac magnetic resonance image, CK creatinine kinase, DES drug eluting stent, DAPT dual antiplatelet therapy, eGFR estimated glomerular filtration rate, Hb haemoglobin, IABP intra-aortic balloon pumping, LVEF left ventricular ejection fraction, LVEDV left ventricular end-diastole volume, LVESV left ventricular end-systolic volume, NT-pro BNP n-terminal pro brain natriuretic peptide, PCI percutaneous coronary intervention, RAS renin angiotensin system, STEMI ST-elevation myocardial infarction, TIMI thrombolysis in myocardial infarction, VA-ECMO veno-arterial extracorporeal membrane oxygenation
  3. P values are determined by a Mann–Whitney U test, chi-square test, or Fisher exact test
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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