Status:

UNKNOWN

Cardiovascular Phenotype Study in Patients With Obstructive Sleep Apnea Syndrome

Lead Sponsor:

University Hospital, Grenoble

Conditions:

Obstructive Sleep Apnea Syndrome

Hypertension

Eligibility:

All Genders

18+ years

Phase:

EARLY_PHASE1

Brief Summary

Patients with obstructive sleep apnea syndrome have permanent variations of their hemodynamic parameters during the night : heart rate, arterial blood pressure, cardiac output. This is due to the repe...

Detailed Description

Objective of the study is to characterize the cardiovascular phenotype of patients with obstructive sleep apnea syndrome, relative to the presence of hypertension or not. Hypertension should not have ...

Eligibility Criteria

Inclusion

  • patients with or without obstructive sleep apnea syndrome (AHI \> 15)
  • patients with or without hypertension

Exclusion

  • known or expected secondary hypertension
  • pathologies with consequences on arterial blood pressure regulation: Parkinson's disease, patients with renal or cardiac graft, severe heart failure
  • drugs with consequences on arterial blood pressure regulation : vasoconstrictors, vasodilatators, béta-agonists, antagonists, nitrites, theophylline, dipyridamol, sildenafil, immunosuppressors, IMAO, neuroleptics, tricyclic antidepressants, corticoids or long-term oral (\>10 days) non steroidal anti-inflammatory drugs, oestroprogestative treatments
  • atrial fibrillation, frequent extrasystoles (\> or = to 10/minute)
  • bedridden patients
  • night shift workers
  • surgical or carotid stenting history
  • subjects unwilling or unable to provide written, signed and dated informed consent
  • patient previously treated for obstructive sleep apnea syndrome (positive airway pressure, forward mandible prosthesis, maxillofacial surgery

Key Trial Info

Start Date :

March 1 2001

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2008

Estimated Enrollment :

300 Patients enrolled

Trial Details

Trial ID

NCT00764218

Start Date

March 1 2001

End Date

December 1 2008

Last Update

October 1 2008

Active Locations (1)

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1

Cardiology and hypertension service

Grenoble, Isère, France, 38000