This Article Abstract Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Nagashima, J. Articles by Murayama, M. Search for Related Content PubMed PubMed Citation Articles by Nagashima, J. Articles by Murayama, M.

New upper limit of physiologic cardiac hypertrophy in Japanese participants in the 100-km ultramarathon

Junzo Nagashima, MD^*,*, Haruki Musha, MD, Hideomi Takada, MD^* and Masahiro Murayama, MD^*

^* Internal Medicine Section, Yokohama Sports Medical Center, Yokohama, Japan
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
Division of Cardiology, St. Marianna University School of Medicine, Yokohama City Seibu Hospital, Yokohama, Japan

View larger version (148K): [in a new window]   Figure 1 A representative echocardiography recording. EF = ejection fraction; FS = fractional shortening; IVS = interventricular septal thickness; LV = left ventricular; LVD = left ventricular end-diastolic diameter; LVPW = left ventricular posterior wall thickness; RVD = right ventricular end-diastolic diameter.

View larger version (85K): [in a new window]   Figure 2 M-mode echocardiography in 100-km ultramarathon runners. (A) A 44-year-old man. The left ventricular end-diastolic diameter is 75 mm. (B) A 48-year-old man. The aortic diameter (Ao) is 50 mm. (C) A 37-year-old man. The left atrial diameter (LA) is 49 mm. LV = left ventricle; RVOT = right ventricular outflow tract.

View larger version (36K): [in a new window]   Figure 3 Correlation of heart rate (HR) and systolic wall stress (WS) with age, body surface area (BSA), and monthly running distance.

View larger version (41K): [in a new window]   Figure 4 Correlation of systolic blood pressure (SBP) and diastolic blood pressure (DBP) with the age, body surface area (BSA), and monthly running distance.

View larger version (40K): [in a new window]   Figure 5 Correlation of left ventricular end-diastolic diameter (Dd) and left ventricular end-systolic diameter (Ds) with age, body surface area (BSA), and monthly running distance.

View larger version (41K): [in a new window]   Figure 6 Correlation of aortic diameter (Ao) and left atrial diameter (LA) with age, body surface area (BSA), and monthly running distance.

View larger version (36K): [in a new window]   Figure 7 Correlation of interventricular septal thickness (IVS) and posterior wall thickness (PW) with the age, body surface area (BSA), and monthly running distance.