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Table 2 The comparison of IMR and MCE parameters among the three groups (\({\overline{\text{x}}} \pm {\text{s}}\))

From: The application of myocardial contrast echocardiography in assessing microcirculation perfusion in patients with acute myocardial infarction after PCI

Index

Group 1 (n = 20)

Group 2 (n = 18)

Group 3 (n = 18)

A value (dB)

7.56 ± 2.35

6.52 ± 3.01*

4.61 ± 2.08*#

β value (/s)

1.44 ± 0.45

1.21 ± 0.58*

0.84 ± 0.39*#

A × β value (dB/s)

11.72 ± 7.79

8.59 ± 6.33*

4.54 ± 3.88*#

IMR (U)

12.77 ± 4.35

31.01 ± 5.23

75.28 ± 23.83

  1. IMR microcirculation resistance index, MCE myocardial contrast echocardiography
  2. *Compared with Group 1, there were statistically significant differences, p < 0.05
  3. #Compared with Group 2, there were statistically significant differences, p < 0.05
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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