Affiliation:
1. Department of Cardiology and Angiology, University Hospital Giessen, Germany
2. Adiphea GmbH, Germany
3. Department of Cardiology, Kerckhoff Clinic GmbH, Germany
Abstract
Abstract
Background
Exercise testing is performed regularly in professional athletes. However, the blood pressure response (BPR) to exercise is rarely investigated in this cohort, and normative upper thresholds are lacking. Recently, a workload-indexed BPR (increase in systolic blood pressure per increase in metabolic equivalent of task (SBP/MET slope)) was evaluated in a general population and was compared with mortality. We sought to evaluate the SBP/MET slope in professional athletes and compare it with performance.
Design
This was a cross-sectional study.
Methods
A total of 142 male professional indoor athletes (age 26 ± 5 years) were examined. Blood pressure was measured at rest and during a standardized, graded cycle ergometer test. We assessed the BPR during exercise, the workload, and the metabolic equivalent of task (MET). Athletes were divided into groups according to their SBP/MET slope quartiles (I <4.3; II 4.3–6.2; III >6.2–9; IV >9 mmHg/MET) and compared regarding systolic BP (sBP) and workload achieved.
Results
Athletes in group I (n = 42) had the lowest maximum sBP (180 ± 13 mmHg) but achieved the highest relative workload (4.2 ± 1 W/kg). With increasing SBP/MET slope, the maximum sBP increased (II (n = 56): 195 ± 15 mmHg; III (n = 44): 216 ± 16 mmHg) and the workload achieved decreased (II: 3.9 ± 0.7 W/kg; III: 3.3 ± 0.5 W/kg). The differences in sBP between these groups were significant (p < 0.001). None of the athletes were assigned to group IV (>9 mmHg/MET).
Conclusion
Athletes in the lowest SBP/MET slope quartile displayed the lowest maximum sBP but achieved a higher workload than athletes classified into the other SBP/MET slope groups. This simple, novel metric might help to distinguish a normal from an exaggerated BPR to exercise, to identify athletes at risk of developing hypertension.
Publisher
Oxford University Press (OUP)
Subject
Cardiology and Cardiovascular Medicine,Epidemiology
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