What question did this study set out to answer?

This research aims to investigate hemodynamic changes in labile hypertensive patients during graded treadmill exercise.

June 1, 1967Circulation

Hemodynamic Responses to Graded Treadmill Exercise in Young Untreated Labile Hypertensive Patients

View Full Paper

Ask AI

Bookmark

Why the study?

What are the hemodynamic responses to graded treadmill exercise in young untreated labile hypertensive patients compared to controls?

Population

20 young untreated labile hypertensive patients and age-matched controls

Comparison

Graded treadmill exercise (five levels) vs Resting state and age-matched controls

Design

Case-control

Authors

ALA LévyKaleida Health BTBurton S. TabakinUniversity of Vermont JHJohn S. HansonWalgreens (United States)

Discussion

Member takes

Implication

Exercise may unmask diastolic hypertension in labile hypertension; leaves open prognostic value and requires prospective validation.

Key Points

This research aims to investigate hemodynamic changes in labile hypertensive patients during graded treadmill exercise.
Analyzed 20 labile hypertensive patients and age-matched controls during five levels of treadmill exercise.
Measured intra-arterial blood pressure, cardiac output, and aspects of the pressure pulse wave.
Evaluated correlations between indices of ejection time and peripheral arterial pulse derivatives.
30% of patients exhibited diastolic hypertension during exercise.
Resting cardiac output classifications associated with labile hypertension were questioned.
First derivative of peripheral arterial pulse corresponded well with ejection time and left ventricular ejection rates.

Structured PICO

What are the hemodynamic responses to graded treadmill exercise in young untreated labile hypertensive patients compared to controls?

Population

20 young untreated labile hypertensive patients and age-matched controls

Intervention

Graded treadmill exercise (five levels)

Comparator

Resting state and age-matched controls

Outcome

Hemodynamic responses including intra-arterial blood pressure, cardiac output, and pressure pulse wavesurrogate

Graded treadmill exercise reveals distinct hemodynamic adjustment patterns in young labile hypertensive patients, questioning classifications based solely on resting cardiac output.

Cite This Study

Lévy et al. (1967) studied this question.

synapsesocial.com/papers/6a6fa408e36a167817e159d8 https://doi.org/10.1161/01.cir.35.6.1063

Topics

Hypertension management

View Full Paper

Ask AI

Bookmark

Hemodynamic Responses to Graded Treadmill Exercise in Young Untreated Labile Hypertensive Patients

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Hemodynamic Responses to Graded Treadmill Exercise in Young Untreated Labile Hypertensive Patients

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider