Peak Exercise Blood Pressure Stratified by Age and Gender in Apparently Healthy Subjects
Section snippets
Background
Blood pressure is routinely measured during exercise testing, although its clinical significance in apparently healthy persons with normal electrocardiographic (ECG) responses is not fully appreciated. Investigators have suggested that an excessive blood pressure response to exercise (exercise hypertension) may predict future resting hypertension1, 2, 3 and may indicate left ventricular hypertrophy.4,5 It may also be associated with future cardiovascular disease or events.6
In contrast to heart
Subjects And Methods
Study Group.— Subject who underwent exercise treadmill testing between 1988 and 1992 were identified retrospectively from the Cardiovascular Health Clinic database at Mayo Clinic Rochester. Eligibility criteria for inclusion in the study were as follows: (1) exercise test performed according to the Bruce protocol (for patients who underwent multiple exercise tests, the initial exercise test was used); (2) no prior history of hypertension or any other cardiovascular or pulmonary disease; (3) not
Results
In the Cardiovascular Health Clinic database, a total of 7,863 men and 2,406 women fulfilled the entry criteria for the study. Because of the racial distribution of the general patient population at Mayo Clinic Rochester, more than 95&x0025; of subjects were Caucasian. Among the subjects, 241 men and 148 women were 20 to 29 years old, 1,204 men and 407 women were 30 to 39 years old, 2,421 men and 639 women were 40 to 49 years old, 2,479 men and 666 women were 50 to 59 years old, 1,319 men and
Discussion
In the current report, we describe the blood pressure response to symptom-limited maximal exercise with use of the Bruce treadmill protocol, categorized by gender and age in a large referral population of apparently healthy men and women. We present the 5th, 10th, 90th, and 95th percentiles of peak exercise blood pressure response, categorized by age and gender for reference in clinical practice and for future investigation of exercise hypertension.
As previous investigators have consistently
Conclusion
In this report, we described the peak blood pressure response to maximal exercise with use of the Bruce treadmill protocol for each gender and age decade in a large study population. Peak blood pressure during a maximal stress test is significantly related to age and gender. The current data should enable clinicians to provide a better interpretation of the significance of an exercise blood pressure response in an individual subject and also allow investigators to define exercise hypertension
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Current address: Junetedo University, Tokyo, Japan.