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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 ± 2:219:51 ± 2:340.30
  1. HCM Hypertrophic cardiomyopathy, LV Left ventricular; NSVT Nonsustained ventricular tachycardia