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Table 3 Comparison of Echocardiography and Other Lab Findings Between CMR Adenosine Stress-Positive and Negative Groups

From: Prevalence and clinical significance of cardiovascular magnetic resonance adenosine stress-induced myocardial perfusion defect in hypertrophic cardiomyopathy

 

Stress positive (n = 48)

Stress negative (n = 67)

P value

Type of HCM

  

0.33

 Septal (%)

17 (35.4)

23 (34.3)

 Apical (%)

9 (18.8)

19 (28.4)

 Septal+Apical (%)

14 (29.2)

18 (26.9)

 Concentric (%)

8 (16.7)

5 (7.5)

 Mixed (%)

0 (0)

2 (3.0)

LV outflow obstruction (%)

15 (31.3)

16 (23.9)

0.38

NSVT on 24-h holter monitoring (%)

8/43 (18.6)

3/60 (5.0)

0.03

Inadequate blood pressure response to exercise (%)

12/45 (26.7)

12/57 (21.1)

0.51

Exercise duration on stress treadmill test (min:sec)

9:18 ± 2:21

9:51 ± 2:34

0.30

  1. HCM Hypertrophic cardiomyopathy, LV Left ventricular; NSVT Nonsustained ventricular tachycardia