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| Name | Class |
|---|---|
| Hospital Israelita Albert Einstein | OTHER |
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The aim of this study is to analyze the effects of isometric handgrip training (IHT) on blood pressure of hypertensive patients with peripheral arterial disease. Will be recruited 30 patients which will be randomized into 2 groups (15 per group), IHT and control group (CG). IHT group will training isometric contraction for 12 weeks. In CG patients will be encouraged to increase the level of physical activity. In the pre and post-intervention cardiovascular measures will be obtained.
Meta-analyze studies have shown that 4 sets of 2 min of isometric handgrip training (IHT)reduces blood pressure (BP), reaching 10 mmHg for systolic and diastolic 7 mmHg in hypertensive patients after few weeks. However, using this protocol it was not observed any changes in BP in patients with peripheral artery disease. However, it is unknown whether reductions in BP does not occur after isometric handgrip training employing longer and protocol of IHT with more volume. The aim of this study is to analyze the effects of IHT on blood pressure of hypertensive patients with peripheral arterial disease. Will be recruited 30 patients, which will be randomized into 2 groups (15 per group), IHT and control group (CG). IHT group will hold three sessions per week with eight sets of two minutes of isometric contraction at 30% of maximal voluntary contraction and interval of two minutes between them, for 12 weeks. In the CG patients will be encouraged to increase the level of physical activity. In the pre and post-intervention, BP and cardiac autonomic modulationwill be assessed. Will be used to analyze two-factor variance for repeated measures, with group (IHT and CG) and the time (before and after 12 weeks) as factors and the post-hoc test of Newman-Keuls.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Isometric Handgrip Training | Experimental | Experimental group will perform home-based bilaterall handgrip exercise and will be recommended to increase daily physical activity levels. |
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| Control group | Other | Control gorup will be recommended to increase daily physical activity level |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Isometric handgrip training | Other | Intervention period will last 12 weeks. Experimental group will perform three sessions per week of home-based handgrip exercise. The exercise protocol will consist of eight sets of bilateral handgrip contraction of two minutes of isometric contraction, with 30% of maximum voluntary contraction, and two minutes of interval between sets. Patients will receive a diary to record the sessions and report difficulties during the training. The patients be recommended to increase daily physical activity levels, and weekly, there will be phone contacts with the patients to reinforce the exercise recommendations. |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in blood pressure at 12 weeks | Blood pressure will be measured before and after 12 weeks of intervention period on intervention and control group by an automatic blood pressure monitor (HEM-742, Omron Healthcare, Japan). | Baseline and 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in cardiac autonomic modulation at 12 weeks | Cardiac autonomic modulation will be measured before and after 12 weeks of intervention period on intervention and control group by heart rate monitor (Polar, RS 800, USA). | Baseline and 12 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Raphael Dias, PhD | Contact | +5519999406878 | raphaelritti@gmail.com | |
| Marilia Correia, PhD | Contact | +5511999711669 | marilia.correia@live.com |
| Name | Affiliation | Role |
|---|---|---|
| Raphael Dias, PhD | University of Nove de Julho | Principal Investigator |
| Marilia Correia, PhD | University of Nove de Julho | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universidade Nove de Julho | Recruiting | São Paulo | São Paulo | 01525-000 | Brazil |
WE plan to share the data upon requirement
After 1 year after the end of recruitment
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| ID | Term |
|---|---|
| D058729 | Peripheral Arterial Disease |
| ID | Term |
|---|---|
| D050197 | Atherosclerosis |
| D001161 | Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |
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| ID | Term |
|---|---|
| D035061 | Control Groups |
| ID | Term |
|---|---|
| D015340 | Epidemiologic Research Design |
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D012107 | Research Design |
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| Control Group | Other | Intervention period will last 12 weeks. Patients will be recommended to increase daily physical activity levels, and weekly, there will be phone contacts to reinforce the recommendations. |
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| Hospital Israelita Albert Einstein | Completed | São Paulo | São Paulo | 05652-900 | Brazil |
| D002318 |
| Cardiovascular Diseases |
| D016491 | Peripheral Vascular Diseases |
| D008722 | Methods |