The Study
Exercise-Induced Hypertension Is Associated with Cardiac Remodeling in Middle-Aged Male Long-Distance Runners: A Cross-Sectional Study
This study looked at a group of male runners and noticed that those with higher blood pressure during running also tended to have bigger hearts. But it didn't watch them over time, so we can't say the high blood pressure made their hearts bigger — maybe their hearts were already changing and that made their blood pressure go up, or something else is going on.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
Some middle-aged runners have extremely high blood pressure during races — this study found those runners also have thicker heart walls and slightly enlarged heart chambers, even though their hearts still pump normally.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 544 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1These changes are subtle and within normal ranges, but suggest the heart is working harder during exercise — possibly increasing long-term risk of arrhythmias or heart disease.
- 2Runners with exercise-induced hypertension had LVMI of 117.9 g/m² vs.
- 3102.6 g/m² in others, and E/E′ ratio of 8.0 vs.
- 46.9 — both markers of heart strain.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Life
Year
2026
Authors
Young-Joo Kim, Han-Soo Park, S. Nam, Si-eun Lee, Kyung-Hee Lee, Yongbum Park, Jin-Ho Yoon, Mu-Yeop Ji
Related Content
Claims (6)
Endurance athletes have a longer time for blood to fill the heart between beats while at rest, which allows more blood to enter the heart with each cycle, without their heart beating faster than that of non-athletes.
Middle-aged male long-distance runners who develop very high blood pressure during intense exercise have larger left ventricles and left atria than runners who do not, even when accounting for age, body weight, and fitness level.
In middle-aged male long-distance runners, the highest blood pressure reached during exercise is more closely linked to heart muscle thickening than the blood pressure at rest.
In middle-aged male long-distance runners, higher diastolic blood pressure during peak exercise is linked to a measurable indicator of reduced heart relaxation efficiency, even when resting blood pressure is accounted for.
Middle-aged male long-distance runners who develop high blood pressure during exercise have larger left atria and higher heart pressure ratios, both of which are linked to a greater likelihood of developing irregular heart rhythms in the future, even when the heart's pumping ability is normal.
Middle-aged male long-distance runners with high blood pressure during exercise have thicker heart muscle walls in the left ventricle than expected from endurance training alone.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.