Effect of Continuous Positive Airway Pressure for Treatment of Obstructive Sleep Apnea on Resistant Hypertension
NCT ID: NCT00881985
Last Updated: 2019-10-02
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
92 participants
INTERVENTIONAL
2009-03-31
2019-07-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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continuous positive airway pressure
continuous positive airway pressure
Use CPAP whenever sleep
observation
No interventions assigned to this group
Interventions
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continuous positive airway pressure
Use CPAP whenever sleep
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* known hypertension on ≧ 3 anti-hypertensive drugs
* Apnea-hypopnea index ≧15
* able to give informed written consent
Exclusion Criteria
* endocrine/renal/cardiac causes of secondary HT
* congestive heart failure and clinically fluid overloaded
* On drugs that elevates BP e.g. NSAID, steroid
* Non-compliance to anti-hypertensive medications
* Unstable medical conditions such as unstable angina, recent myocardial infarction/stroke within 3 months
* Active inflammatory/infective conditions e.g. rheumatoid arthritis
* Excessive sleepiness that can be risky e.g. occupational driver, machine operator
* Modification/changes of anti-hypertensive regimen within 8 weeks
18 Years
65 Years
ALL
No
Sponsors
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The University of Hong Kong
OTHER
Responsible Party
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The University of Hong Kong
Principal Investigators
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Mary SM Ip, MD
Role: PRINCIPAL_INVESTIGATOR
The University of Hong Kong
Locations
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Queen Mary Hospital
Hong Kong, , China
Countries
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References
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Nieto FJ, Young TB, Lind BK, Shahar E, Samet JM, Redline S, D'Agostino RB, Newman AB, Lebowitz MD, Pickering TG. Association of sleep-disordered breathing, sleep apnea, and hypertension in a large community-based study. Sleep Heart Health Study. JAMA. 2000 Apr 12;283(14):1829-36. doi: 10.1001/jama.283.14.1829.
Young T, Peppard P, Palta M, Hla KM, Finn L, Morgan B, Skatrud J. Population-based study of sleep-disordered breathing as a risk factor for hypertension. Arch Intern Med. 1997 Aug 11-25;157(15):1746-52.
Pepperell JC, Ramdassingh-Dow S, Crosthwaite N, Mullins R, Jenkinson C, Stradling JR, Davies RJ. Ambulatory blood pressure after therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnoea: a randomised parallel trial. Lancet. 2002 Jan 19;359(9302):204-10. doi: 10.1016/S0140-6736(02)07445-7.
Becker HF, Jerrentrup A, Ploch T, Grote L, Penzel T, Sullivan CE, Peter JH. Effect of nasal continuous positive airway pressure treatment on blood pressure in patients with obstructive sleep apnea. Circulation. 2003 Jan 7;107(1):68-73. doi: 10.1161/01.cir.0000042706.47107.7a.
Norman D, Loredo JS, Nelesen RA, Ancoli-Israel S, Mills PJ, Ziegler MG, Dimsdale JE. Effects of continuous positive airway pressure versus supplemental oxygen on 24-hour ambulatory blood pressure. Hypertension. 2006 May;47(5):840-5. doi: 10.1161/01.HYP.0000217128.41284.78. Epub 2006 Apr 3.
Calhoun DA, Jones D, Textor S, Goff DC, Murphy TP, Toto RD, White A, Cushman WC, White W, Sica D, Ferdinand K, Giles TD, Falkner B, Carey RM. Resistant hypertension: diagnosis, evaluation, and treatment. A scientific statement from the American Heart Association Professional Education Committee of the Council for High Blood Pressure Research. Hypertension. 2008 Jun;51(6):1403-19. doi: 10.1161/HYPERTENSIONAHA.108.189141. Epub 2008 Apr 7.
Logan AG, Perlikowski SM, Mente A, Tisler A, Tkacova R, Niroumand M, Leung RS, Bradley TD. High prevalence of unrecognized sleep apnoea in drug-resistant hypertension. J Hypertens. 2001 Dec;19(12):2271-7. doi: 10.1097/00004872-200112000-00022.
Grote L, Hedner J, Peter JH. Sleep-related breathing disorder is an independent risk factor for uncontrolled hypertension. J Hypertens. 2000 Jun;18(6):679-85. doi: 10.1097/00004872-200018060-00004.
Lavie P, Hoffstein V. Sleep apnea syndrome: a possible contributing factor to resistant. Sleep. 2001 Sep 15;24(6):721-5. doi: 10.1093/sleep/24.6.721.
Logan AG, Tkacova R, Perlikowski SM, Leung RS, Tisler A, Floras JS, Bradley TD. Refractory hypertension and sleep apnoea: effect of CPAP on blood pressure and baroreflex. Eur Respir J. 2003 Feb;21(2):241-7. doi: 10.1183/09031936.03.00035402.
Martinez-Garcia MA, Gomez-Aldaravi R, Soler-Cataluna JJ, Martinez TG, Bernacer-Alpera B, Roman-Sanchez P. Positive effect of CPAP treatment on the control of difficult-to-treat hypertension. Eur Respir J. 2007 May;29(5):951-7. doi: 10.1183/09031936.00048606. Epub 2007 Feb 14.
Lui MM, Tse HF, Lam DC, Lau KK, Chan CW, Ip MS. Continuous positive airway pressure improves blood pressure and serum cardiovascular biomarkers in obstructive sleep apnoea and hypertension. Eur Respir J. 2021 Nov 4;58(5):2003687. doi: 10.1183/13993003.03687-2020. Print 2021 Oct.
Other Identifiers
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UW 09-051
Identifier Type: -
Identifier Source: org_study_id
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