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Table 1 Baseline Characteristics of the Study Patients

From: Three-dimensional assessment of coronary high-intensity plaques with T1-weighted cardiovascular magnetic resonance imaging to predict periprocedural myocardial injury after elective percutaneous coronary intervention

 

No pMI (n = 95)

pMI (n = 46)

P Value

Age, yrs

68 (61–74)

67 (59–73)

0.582

Male

83 (87)

39 (85)

0.793

BMI, kg/m2

25 (22–27)

24 (22–27)

0.514

Hypertension

76 (80)

35 (76)

0.662

Hyperlipidemia

86 (91)

42 (91)

1.000

Diabetes mellitus

29 (31)

12 (26)

0.627

Current smoker

11 (12)

7 (15)

0.594

Total cholesterol, mg/dL

149 (134–173)

160 (144–177)

0.338

LDL cholesterol, mg/dL

82 (67–102)

82 (71–100)

0.811

HDL cholesterol, mg/dL

44 (38–52)

46 (38–55)

0.273

Triglycerides, mg/dL

135 (97–192)

129 (94–167)

0.356

Hemoglobin A1c, %

6.0 (5.6–6.3)

5.9 (5.7–6.2)

0.378

Serum creatinine, mg/dL

0.90 (0.79–1.05)

0.93 (0.81–1.06)

0.633

Multivessel disease

28 (29)

18 (39)

0.258

Previous MI

14 (15)

10 (22)

0.342

LVEF, %

60 (55–65)

60 (57–65)

0.732

hs-cTnT before PCI, ng/mL

0.008

(0.006–0.012)

0.009

(0.006–0.016)

0.543

hs-cTnT after PCI, ng/mL

0.027

(0.020–0.042)

0.138

(0.094–0.276)

< 0.001

Medications

 Statin

88 (93)

41 (89)

0.527

 Beta-blocker

67 (71)

27 (59)

0.185

 ACE inhibitor or ARB

50 (53)

24 (52)

1.000

MRI findings

 2D-PMR

1.15 (0.98–1.36)

1.66 (1.09–2.93)

< 0.001

 3Di-PMR, PMR*mm3

9 (0–49.8)

88.4 (32.2–203.7)

< 0.001

Angiographic findings and PCI parameters

 Mean reference vessel diameter (mm)

3.50 (3.06–4.19)

3.45 (3.07–4.24)

0.852

 Ratio of the maximal balloon diameter to the vessel diameter

0.95 (0.79–1.06)

0.96 (0.83–1.06)

0.852

 Total lesion length (mm)

16 (10–26)

18 (12–28)

0.439

  1. Values are medians (interquartile range) or n (%)
  2. 2D-PMR 2-dimensional plaque-to-myocardium signal intensity ratio, 3Di-PMR 3-dimensional integral of the plaque-to-myocardium signal intensity ratio, ACE Angiotensin-converting enzyme, ARB Angiotensin II receptor blocker, BMI Body mass index, HDL High-density lipoprotein, hs-cTnT High-sensitivity cardiac troponin T, LDL Low-density lipoprotein, LVEF Left ventricular ejection fraction, MI Myocardial infarction, MRI Magnetic resonance imaging, PCI Percutaneous coronary intervention, pMI Periprocedural myocardial injury, PMR*mm3 the unit of 3Di-PMR; defined as the integral of voxel volume multiplied by its PMR value > 1.0 from a coronary plaque