Blood Pressure and Central Vascular Stiffness in Obese Children. Relationship to Metabolic Disturbances and Subclinical Cardiovascular Damage. Effect of Weight Reduction (AORTA)
調査の概要
研究の種類
入学 (予想される)
段階
- 適用できない
連絡先と場所
研究場所
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Holbaek、デンマーク、4300
- 募集
- Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen
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コンタクト:
- Kristian Hvidt, MD
- 電話番号:0014559484073
- メール:krhv@regionsjaelland.dk
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コンタクト:
- Hans Ibsen, DMSc, MD
- 電話番号:0014559484512
- メール:hib@regionsjaelland.dk
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Holbaek、デンマーク、4300
- 募集
- The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
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コンタクト:
- Jens-Christian Holm, PhD, MD
- 電話番号:0014559484208
- メール:jhom@regionsjaelland.dk
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- age 10-18
- BMI for age and sex above 95 percentile
- referred for treatment at the The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
- oral and written consent by their parents
Exclusion Criteria:
- children who can not cooperate to DEXA scanning or other procedures
- linguistic difficulties that impair communication
研究計画
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:単一グループの割り当て
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
---|---|
実験的:Lifestyle counseling
Treatment protocol The Children's Obesity Clinic Department of Paediatrics Holbaek Hospital, University of Copenhagen Denmark
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Treatment protocol.
The Children's Obesity Clinic Department of Paediatrics Holbaek Hospital, University of Copenhagen Denmark
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介入なし:Control
Healthy age and gender matched control subjects.
Recruited from school visits.
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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 |
---|---|---|
Central Blood Pressure
時間枠:one year follow up
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Obtained by the SphygmoCor Device, software version 9, AtCor Medical, Australia.
|
one year follow up
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
---|---|---|
Pulse Wave velocity
時間枠:one year follow up
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Measured in meters per second.
|
one year follow up
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Ambulatory Blood Pressure Monitoring and Clinic Blood Pressure
時間枠:one year follow up
|
Measured in milimeters of mercury (mm Hg). Analysed into Blood Pressure standard deviation scores (BP SDS). Ambulatory Blood Pressure Monitoring (ABPM) is analysed into Amulatory Arterial Stiffness Index (AASI). ASSI is 1 minus the correlation coefficient when the Systolic Blood Pressure is plottet agiant the diastolic Blood Pressure from a ABPM. |
one year follow up
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Heart Rate variability
時間枠:one year follow up
|
one year follow up
|
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Metabolic and Cardiovascular Blood Samples
時間枠:one year follow up
|
one year follow up
|
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Urine Albumine-Creatinine Ratio (UACR)
時間枠:one year follow up
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Microalbuminuria (MAU) defined by urine albumine-creatinine ratio (UACR) ≥ 3,5 mg/mmol (women) and 2,5 mg/mmol (men).
Mean of two morning spot urine samples.
|
one year follow up
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Echocardiography and ultrasound of aortic wall distensibility
時間枠:one year follow up
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one year follow up
|
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Electrocardiography
時間枠:one year follow up
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Conventional 12 lead electrocardiography (ECG). Analysis of:
|
one year follow up
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Dual energy X-ray absorptionmetry (DEXA scan)
時間枠:one year follow up
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A full body DEXA scan gives precise knowlegde of the body fat mass and fat free mass. Fat mass can be converted into fat mass index and fat free mass can be converted into fat free mass index, besides BMI standard deviation score (BMI SDS). A DEXA scan also gives information on bone mineral density (BMD), a parameter of bone status, and regional estimates: truncus, abdomen, thorax, arms and legs. |
one year follow up
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Anthropometric measures
時間枠:one year follow up
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Height, Waist, Weight, BMI (weight/height²)
|
one year follow up
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協力者と研究者
捜査官
- 主任研究者:Kristian Hvidt, MD、Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen, Denmark
- スタディチェア:Hans Ibsen, DMSc, MD、Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen
- スタディディレクター:Jens-Christian Holm, PhD, MD、The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
- スタディディレクター:Michael Hecht Olsen, DMSc, PhD, MD、Division of Cardiology, Department of Medicine, Glostrup Hospital, University of Copenhagen
出版物と役立つリンク
一般刊行物
- Han JC, Lawlor DA, Kimm SY. Childhood obesity. Lancet. 2010 May 15;375(9727):1737-48. doi: 10.1016/S0140-6736(10)60171-7. Epub 2010 May 5.
- Singh AS, Mulder C, Twisk JW, van Mechelen W, Chinapaw MJ. Tracking of childhood overweight into adulthood: a systematic review of the literature. Obes Rev. 2008 Sep;9(5):474-88. doi: 10.1111/j.1467-789X.2008.00475.x. Epub 2008 Mar 5.
- Hvidt KN, Olsen MH, Holm JC, Ibsen H. Obese children and adolescents have elevated nighttime blood pressure independent of insulin resistance and arterial stiffness. Am J Hypertens. 2014 Nov;27(11):1408-15. doi: 10.1093/ajh/hpu055. Epub 2014 Apr 9.
- Stabouli S, Kotsis V, Zakopoulos N. Ambulatory blood pressure monitoring and target organ damage in pediatrics. J Hypertens. 2007 Oct;25(10):1979-86. doi: 10.1097/HJH.0b013e3282775992.
- Hansen TW, Jeppesen J, Rasmussen S, Ibsen H, Torp-Pedersen C. Ambulatory blood pressure monitoring and risk of cardiovascular disease: a population based study. Am J Hypertens. 2006 Mar;19(3):243-50. doi: 10.1016/j.amjhyper.2005.09.018.
- Litwin M, Niemirska A, Ruzicka M, Feber J. White coat hypertension in children: not rare and not benign? J Am Soc Hypertens. 2009 Nov-Dec;3(6):416-23. doi: 10.1016/j.jash.2009.10.002.
- Hansen TW, Jeppesen J, Rasmussen S, Ibsen H, Torp-Pedersen C. Relation between insulin and aortic stiffness: a population-based study. J Hum Hypertens. 2004 Jan;18(1):1-7. doi: 10.1038/sj.jhh.1001620.
- Willum-Hansen T, Staessen JA, Torp-Pedersen C, Rasmussen S, Thijs L, Ibsen H, Jeppesen J. Prognostic value of aortic pulse wave velocity as index of arterial stiffness in the general population. Circulation. 2006 Feb 7;113(5):664-70. doi: 10.1161/CIRCULATIONAHA.105.579342.
- Vitarelli A, Giordano M, Germano G, Pergolini M, Cicconetti P, Tomei F, Sancini A, Battaglia D, Dettori O, Capotosto L, De Cicco V, De Maio M, Vitarelli M, Bruno P. Assessment of ascending aorta wall stiffness in hypertensive patients by tissue Doppler imaging and strain Doppler echocardiography. Heart. 2010 Sep;96(18):1469-74. doi: 10.1136/hrt.2010.198358. Epub 2010 Jul 18.
- Muhamed PK, Olsen MH, Holm JC, Ibsen H, Hvidt KN. Cuff size influences blood pressure measurement in obese children and adolescents. Dan Med J. 2016 Jan;63(1):A5183.
研究記録日
主要日程の研究
研究開始
一次修了 (予想される)
研究の完了 (予想される)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
その他の研究ID番号
- AORTA-SJ-166
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