Mild Left Ventricular Hypertrophy in Middle-Age Male Athletes as a Sign of Masked Arterial Hypertension

Łukasz A. Małek (), Agnieszka Jankowska and Lidia Greszata
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Łukasz A. Małek: Department of Epidemiology, Cardiovascular Disease Prevention and Health Promotion, National Institute of Cardiology, 04-628 Warsaw, Poland
Agnieszka Jankowska: National Institute of Cardiology, 04-628 Warsaw, Poland
Lidia Greszata: National Institute of Cardiology, 04-628 Warsaw, Poland

IJERPH, 2022, vol. 19, issue 16, 1-9

Abstract: Mild left ventricular hypertrophy (LVH) has been considered as one of the possible structural, physiological adaptations to regular, intensive physical activity. However, it may also appear as one of the subclinical complications of hypertension. In athletes, the differential diagnosis between these two entities may be complicated as regular physical activity may potentially mask the presence of arterial hypertension. We sought to determine the relation between LVH in middle-age athletes and the presence of hypertension. The study included 71 healthy, male long-time amateur athletes (mean age 41 ± 6 years, 83% endurance and 17% power sports) without known hypertension or any other cardiovascular diseases and with normal self-measured and office blood pressure. All subjects underwent resting electrocardiogram, transthoracic echocardiography, maximal exercise test on a treadmill and ambulatory blood pressure monitoring. LVH was diagnosed as left ventricular wall diameter >11 mm. Hypertension was defined as mean 24 h systolic blood pressure (SBP) ≥ 130 mmHg and/or diastolic blood pressure (DBP) ≥ 80 mmHg. Exaggerated blood pressure response (EBPR) to exercise was defined as SBP ≥ 210 mmHg. LVH (range > 11 to 14 mm) was found in 20 subjects (28%) and hypertension was diagnosed in 33 subjects (46%). Athletes with LVH were more likely to have hypertension than those without LVH (70% vs. 37%, p = 0.01). EBPR to exercise was found equally common in athletes with and without LVH (35% vs. 29%, p = 0.68), but more often in subjects with hypertension (51% vs. 13%, p < 0.001). Presence of LVH and hypertension was equally common in the studied endurance and power sport athletes ( p = 0.66 and p = 0.79, respectively). In comparison to athletes without LVH, those with LVH had larger left atrial size (26 ± 6 vs. 21 ± 4 cm 2 , p < 0.001) and a tendency for lower left ventricular diastolic function (E/A 1.2 ± 0.4 vs. 1.5 ± 0.4, p = 0.05) and a larger ascending aorta diameter (34 ± 3 vs. 32 ± 3, p = 0.05), but a similar left ventricular end-diastolic diameter (51 ± 3 vs. 51 ± 4, p = 0.71). The presence of mild left ventricular hypertrophy in middle-age male amateur athletes with normal home and office blood pressure may be considered as a potential sign of masked hypertension. It should not be overlooked as an element of a physiological adaptation to exercise and may warrant further medical evaluation with ambulatory blood pressure monitoring.

Keywords: differential diagnosis; exaggerated blood pressure response to exercise; ambulatory blood pressure monitoring; exercise test; echocardiography (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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