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Aerobic Physical Training and Heart Rate Variability in Hypertersion

2017年2月21日 更新者:Taís Mendes de Camargo、University of Campinas, Brazil

EFFECT OF AEROBIC PHYSICAL TRAINING WITH DETERMINED INTENSITY FOR THE PROTOCOL OF DOUBLE EXHAUSTIVE EFFORTS IN THE AUTONOMICAL MODULATION OF THE HEART FREQUENCY OF PATIENTS WITH SYSTEMIC ARTERIAL HYPERTENSION

This study compared the changes in the cardiovascular, hemodynamic and metabolic variables of hypertensive patients who received aerobic physical training with intensity determined by the protocol of double non-exhaustive efforts (DENE) with that of patients who received routine outpatient care 12 weeks after Entry into the study. 63 men and women participated in the study and were allocated in the intervention group (n = 42) and control group (n = 21).The following were performed: Cardiopulmonary exercise test (TECP) for evaluation of peak oxygen consumption (VO2peak), oxygen pulse and double product; DENE protocol for the determination of the intensity of the training. It was obtained the recording of the intervals between consecutive heart beats (iRR) to evaluate the autonomic modulation of the heart rate. Body mass index, waist circumference (AC), hip circumference (CQ) and Waist / hip ratio (WHR) were measured.

調査の概要

詳細な説明

The study was designed to compare changes in the cardiovascular, hemodynamic and metabolic variables of hypertensive patients who received aerobic physical training with intensity determined by the DENE protocol with that of patients who received routine ambulatory care 12 weeks after entering the study.

Sixty-three hypertensive men and women, divided into the intervention group (GI) (n=42) and the control group (n = 21) participated in the study.

All procedures were performed by trained researchers and qualified staff and the evaluations and intervention were performed at the specialty medical outpatient clinic.

After agreeing to participate in the study, we collected sociodemographic and clinical data, body mass index (BMI), waist circumference (WC) and waist / hip ratio (WHR). The participants were submitted to the cardiopulmonary exercise test (TECP), to evaluate the peak oxygen consumption (VO2peak), oxygen pulse and double product. Between one and seven days after TECP, consecutive heart rate intervals (iRR) were recorded for evaluation of autonomic heart rate modulation using a Polar model RS800CX (Polar Electro Co.Ltda Kempele, Finland). . The DENE protocol for determining the intensity of the training was applied in the GI to determine the training intensity in the treadmill. Intervention participants underwent supervised aerobic physical training at the pre-determined intensity, which consisted of three weekly sessions, lasting one hour, over a period of 12 weeks. Control participants receive routine care from the outpatient clinic for the same period. At the end of the 12 weeks, measures, recording of the iRR intervals, oxygen pulse, double product, BMI, waist circumference (AC), hip circumference (QC) and waist / hip ratio (WHR) were obtained. All subjects were previously informed about the procedures Signed a free and informed consent form. The project was approved by the Commission of Research Committee of the Institution with the number 086.096 / 14.

研究の種類

介入

入学 (実際)

63

段階

  • 適用できない

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年~80年 (大人、高齢者)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

説明

Inclusion Criteria:

  • SBP ≤ 180 mmHg and DBP ≤ 110 mmHg)
  • low risk for physical training.

Exclusion Criteria:

  • obesity III
  • musculoskeletal conditions
  • peripheral neuropathy
  • Parkinson's disease.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:非ランダム化
  • 介入モデル:並列代入
  • マスキング:独身

武器と介入

参加者グループ / アーム
介入・治療
実験的:Physical training program

Intervention participants are submitted to supervised aerobic physical training at the predetermined intensity, which is composed of three weekly sessions, lasting one hour, over a period of 12 weeks.

All sessions were started with stretches for lower and upper limbs lasting 10 minutes for warm-up, and after trekking on treadmill using the predetermined critical velocity (Vcrit). The exercises were completed with cooling of the muscle groups for one minute still on the treadmill, plus 10 minutes of relaxation exercises on the mat at the end of aerobic exercise.

Physical training program consisted of three weekly sessions lasting up to one hour over a period of twelve weeks. and will be carried out respecting the traditional training principles: biological individuality, Specificity, overload, adaptation and reversibility
All sessions were started with stretches for lower and upper limbs lasting 10 minutes for warm-up, and after trekking on treadmill using the predetermined critical velocity (Vcrit). The exercises were completed with cooling of the muscle groups for one minute still on the treadmill, plus 10 minutes of relaxation exercises on the mat at the end of aerobic exercise.
介入なし:Control Group
Control participants receive routine outpatient care for a 12-week period.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Heart rate variability will be measured by nonlinear methods in hypertensive patients to observe changes in baseline values after 12 weeks.
時間枠:Finalized study (12 weeks)
A heart rate meter RS800CX (Polar Electro Co.Ltda. Kempele, Finland) is used to obtain HR and R-R (iR-R) intervals. The iR-Rs are captured from a tape with a coded transmitter placed in the chest region at the 5th intercostal space and transmitted to the cardiofrequency meter where they are recorded
Finalized study (12 weeks)

二次結果の測定

結果測定
メジャーの説明
時間枠
The peak oxygen consumption (mL / kg · min) will be measured by ergospirometry in hypertensive patients to observe changes in baseline values after 12 weeks.
時間枠:Finalized study (12 weeks)
Cardiopulmonary exercise test used to determine peak oxygen consumption to exercise .
Finalized study (12 weeks)
The double product (mmHg) will be measured by ergospirometry in hypertensive patients to observe changes in baseline values after 12 weeks.
時間枠:Finalized study (12 weeks)
Cardiopulmonary exercise test used to determine double produc to exercise .
Finalized study (12 weeks)
The oxigen pulse (ml/heart rate) will be measured by ergospirometry in hypertensive patients to observe changes in baseline values after 12 weeks.
時間枠:Finalized study (12 weeks)
Cardiopulmonary exercise test used to determine oxigen pulse to exercise .
Finalized study (12 weeks)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2014年11月14日

一次修了 (実際)

2015年12月21日

研究の完了 (実際)

2017年1月16日

試験登録日

最初に提出

2017年2月19日

QC基準を満たした最初の提出物

2017年2月21日

最初の投稿 (実際)

2017年2月27日

学習記録の更新

投稿された最後の更新 (実際)

2017年2月27日

QC基準を満たした最後の更新が送信されました

2017年2月21日

最終確認日

2017年2月1日

詳しくは

本研究に関する用語

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

米国で製造され、米国から輸出された製品。

いいえ

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