Response By Kobayashi Et Al To Letter Regarding Article, "Three-Vessel Assessment Of Coronary Microvascular Dysfunction In Patients With Clinical Suspicion Of Ischemia: Prospective Observation Study With The Index Of Microcirculatory Resistance"

We thank Dr. Smilowitz for his interest in our study.1 In previous studies examining the invasive assessment of the coronary microvasculature, the left anterior descending artery was selected for practical purposes, either because it was the culprit vessel in an acute coronary syndrome or because the anterior wall was felt to be the most important territory.2 As shown in the present study, we do not advocate interrogating only the left anterior descending artery because coronary microvascular dysfunction may occur in …