NPPB and coronary artery disorder: Patients with HOCM may also develop CAD, and up to 20% prevalence of CAD in these patients has been reported.9, 10 In the present study, patients with HOCM and CAD were generally older than those with isolated HCM, which is consistent with a previous study.1 Furthermore, we found that compared to patients without CAD, those with HOCM and CAD had a higher BNP level.