Cardiovascular Oscillations in Coronary Patients With and Without Type 2 Diabetes
NCT ID: NCT02050399
Last Updated: 2018-01-26
Study Results
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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COMPLETED
NA
30 participants
INTERVENTIONAL
2013-08-31
2016-03-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
FACTORIAL
OTHER
SINGLE
Study Groups
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Healthy subjects
15 men, 45 and 65 years old. After initial evaluation, clinical exercise testing, cardiopulmonary exercise testing, carotid ultrasound, laboratory tests (biochemical blood) and isometric exercise protocol will be performed.
Isometric exercise
The isometric protocol (handgrip) will be performed into 4 percentages of MVC (15, 30, 45 and 60%) to exhaustion in 3 postures (supine, seated and standing position). The percentages and the postures will be randomized. In the first day of exercise protocol the subjects will be at rest during 10 minutes and will perform 3 MVC during 5 seconds, with 5 minutes of recovery. The higher value of MVC will be used to prescribe the percentages. The subjects will perform two contractions until exhaustion in one posture in each day.
Coronary disease with Type 2 Diabetes
15 men, 45-65 years old, with coronary artery disease and type 2 diabetes will perform clinical exercise testing, cardiopulmonary exercise testing, carotid ultrasound, laboratory tests (biochemical blood), clinical autonomic tests and isometric exercise protocol will be performed.
Isometric exercise
The isometric protocol (handgrip) will be performed into 4 percentages of MVC (15, 30, 45 and 60%) to exhaustion in 3 postures (supine, seated and standing position). The percentages and the postures will be randomized. In the first day of exercise protocol the subjects will be at rest during 10 minutes and will perform 3 MVC during 5 seconds, with 5 minutes of recovery. The higher value of MVC will be used to prescribe the percentages. The subjects will perform two contractions until exhaustion in one posture in each day.
Coronary disease without Type 2 Diabetes
15 men, 45-65 years old, with coronary artery disease will perform clinical exercise testing, cardiopulmonary exercise testing, carotid ultrasound, laboratory tests (biochemical blood) and isometric exercise will be performed.
Isometric exercise
The isometric protocol (handgrip) will be performed into 4 percentages of MVC (15, 30, 45 and 60%) to exhaustion in 3 postures (supine, seated and standing position). The percentages and the postures will be randomized. In the first day of exercise protocol the subjects will be at rest during 10 minutes and will perform 3 MVC during 5 seconds, with 5 minutes of recovery. The higher value of MVC will be used to prescribe the percentages. The subjects will perform two contractions until exhaustion in one posture in each day.
Interventions
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Isometric exercise
The isometric protocol (handgrip) will be performed into 4 percentages of MVC (15, 30, 45 and 60%) to exhaustion in 3 postures (supine, seated and standing position). The percentages and the postures will be randomized. In the first day of exercise protocol the subjects will be at rest during 10 minutes and will perform 3 MVC during 5 seconds, with 5 minutes of recovery. The higher value of MVC will be used to prescribe the percentages. The subjects will perform two contractions until exhaustion in one posture in each day.
Eligibility Criteria
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Inclusion Criteria
* clinical diagnosis of type 2 diabetes
* free of type 2 diabetes to participate of control group and coronary disease without Type 2 Diabetes group
* nonsmokers
* not alcoholics
Exclusion Criteria
* clinical exercise testing with ECG alterations (ST-segment depression greater than 2 mm, ventricular and supraventricular arrhythmias, sustained or non-sustained supraventricular tachycardia, atrial tachycardia, atrial fibrillation and atrioventricular blocks) or symptom of angina induced by stress.
* Individuals with hypertension and diabetes mellitus not controlled.
* Subjects who did not complete all assessments.
* Subjects with temporal (R-Ri and pressure) series with noise preventing the evaluation
45 Years
65 Years
MALE
Yes
Sponsors
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Universidade Federal de Sao Carlos
OTHER
Responsible Party
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Aparecida Maria Catai
Cardiovascular oscillations at rest and during isometric exercise in coronary patients with and without type 2 diabetes
Principal Investigators
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Aparecida Maria Catai
Role: PRINCIPAL_INVESTIGATOR
Universidade Federal de Sao Carlos
Locations
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Universidade Federal de São Carlos
São Carlos, São Paulo, Brazil
Countries
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References
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Leite PH, Melo RC, Mello MF, Silva Ed, Borghi-Silva A, Catai AM. Heart rate responses during isometric exercises in patients undergoing a phase III cardiac rehabilitation program. Rev Bras Fisioter. 2010 Sep-Oct;14(5):383-9. English, Portuguese.
Amaral JF, Mancini M, Novo Junior JM. Comparison of three hand dynamometers in relation to the accuracy and precision of the measurements. Rev Bras Fisioter. 2012 Jun;16(3):216-24. doi: 10.1590/s1413-35552012000300007.
Legramante JM, Massaro M, Raimondi G, Castrucci F, Cassarino S, Peruzzi G, Iellamo F. Effect of postural changes on cardiovascular responses to static exercise in hypertensive human beings. J Hypertens. 1999 Jan;17(1):99-105. doi: 10.1097/00004872-199917010-00015.
Porta A, Catai AM, Takahashi AC, Magagnin V, Bassani T, Tobaldini E, van de Borne P, Montano N. Causal relationships between heart period and systolic arterial pressure during graded head-up tilt. Am J Physiol Regul Integr Comp Physiol. 2011 Feb;300(2):R378-86. doi: 10.1152/ajpregu.00553.2010. Epub 2010 Oct 20.
Krzeminski K, Cybulski G, Ziemba A, Nazar K. Cardiovascular and hormonal responses to static handgrip in young and older healthy men. Eur J Appl Physiol. 2012 Apr;112(4):1315-25. doi: 10.1007/s00421-011-2069-y. Epub 2011 Jul 28.
Millar PJ, MacDonald MJ, McCartney N. Effects of isometric handgrip protocol on blood pressure and neurocardiac modulation. Int J Sports Med. 2011 Mar;32(3):174-80. doi: 10.1055/s-0030-1268473. Epub 2010 Dec 16.
Other Identifiers
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13287613.0.0000.5504
Identifier Type: -
Identifier Source: org_study_id
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