Early impairment of coronary flow reserve in young men with borderline hypertension
Hanna Laine, MDa,
Olli T. Raitakari, MDa,
Harri Niinikoski, MDa,
Olli-Pekka Pitkänen, MDa,
Hidehiro Iida, DSca*,
Jorma Viikari, MDa,
Pirjo Nuutila, MDa and
Juhani Knuuti, MDa
a Departments of Medicine, Clinical Physiology, Cardiorespiratory Research Unit and Nuclear Medicine, Turku Positron Emission Tomography Centre, Turku University, Turku, Finland
* Research Institute for Brain and Blood Vessels, Akita, Japan

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Figure 1 Myocardial blood flow at baseline and during dipyridamole-induced hyperemia. The myocardial blood flow response to dipyridamole was significantly lower in group 1 than in group 2 (p < 0.05). Triangles = individual flow values of the study subjects.
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Figure 2 Coronary flow reserve in groups 1 and 2.
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