Isometric Training on Blood Pressure and on the Autonomic Modulation of Hypertensive Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

65 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-07-15

Study Completion Date

2018-07-30

Brief Summary

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Objective: analyze the effects of isometric handgrip exercise on arterial pressure and on the autonomic cardiac modulation of hypertensive individuals treated in the Unified Health System (UHS).

Intervention: Patients were randomized into Supervised group (SG) and control group (CG). SG will perform supervised isometric handgrip exercise for three weekly sessions in four sets with two minutes of isometric contraction with 30% of maximal voluntary contraction (MVC), In CG, individuals will be encouraged to increase their level of physical activity.

Measurements: Blood pressure, autonomic modulation

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Detailed Description

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The objective of this study is to analyze the effects of isometric handgrip exercise on arterial pressure and on the autonomic cardiac modulation of hypertensive individuals treated in the Unified Health System (UHS). Two prospective, randomized, controlled trials will be conducted with hypertensive patients in the public health network of Petrolina (PE) and São Paulo (SP). Included in the study will be individuals with an age group over 18 years of both genders, with systemic arterial hypertension (SAH) controlled with the use of antihypertensive medication, non-smokers and without the presence of diabetes or other cardiovascular diseases that will be allocated randomly in two groups: supervised group (SG) and control group (CG). SG will be instructed to perform supervised isometric handgrip exercise for three weekly sessions in four sets with two minutes of isometric contraction with 30% of maximal voluntary contraction (MVC) of the subjects and interval between two-minute series. In CG, individuals will be encouraged to increase their level of physical activity. Prior to initiation and after 12 weeks of intervention, blood pressure, autonomic cardiac modulation and level of physical activity will be obtained.

Conditions

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Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Intervention Group

Subjects will perform three weekly sessions of isometric handgrip training consisting of four series (two in each arm) with two minutes of isometric contraction with intensity of 30% of maximum voluntary contraction with interval between the two-minute series under the guidance of the trained researcher.

Group Type ACTIVE_COMPARATOR

Intervention Group

Intervention Type BEHAVIORAL

Isometric handgrip training consisting of four series

Control Group

Individuals randomized to Control Group will be encouraged to increase their level of general physical activity, but without specific recommendations on physical activity.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Intervention Group

Isometric handgrip training consisting of four series

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* It will include individuals with age range over 18 years of both genders and with controlled hypertension using antihypertensive medication and without the presence of diabetes or other cardiovascular diseases and who do not present high cardiovascular risk.

Exclusion Criteria

* Those individuals who: a) are diagnosed of diseases such as dyslipidemia, diabetes mellitus, cardiovascular or pulmonary diseases; B) adhere to another program of physical activities besides the training offered by the present study; C) change the class and dose of medication during the study; and d) aggravate the disease.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No