Correlation Between Friedman Classification and the Apnea Hypopnea Index (AIH) in a Population With Obstructive Sleep Apnea Syndrome (OSAS) (FriedmAIH)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00883025
Recruitment Status : Completed
First Posted : April 17, 2009
Last Update Posted : April 17, 2009
Hospital Dia
Information provided by:
Irmandade da Santa Casa de Misericoridia de Limeira

Brief Summary:


OSAS is an important disease in the actual medic scene. It is important for correlation with chronic cardiovascular disease that leaves an increase in morbimortality and socioeconomic disability to patients with apnea.


Determinate the correlation between Friedman Classification and the obstructive sleep apnea syndrome (OSAS) gravity through AHI (Apnea Hypopnea Index) in patients with OSAS for surgical indication and evaluation.

Materials and Methods:

The investigators evaluated and classified 84 patients, in the scale of Epworth, Friedman and how much the gravity of the SAHOS for the AHI.

Condition or disease
Obstructive Sleep Apnea Syndrome

Study Type : Observational
Estimated Enrollment : 147 participants
Observational Model: Ecologic or Community
Time Perspective: Cross-Sectional
Official Title: Correlation Between Friedman Classification Ande ApneaHypopnea Index in a Population With OSAS
Study Start Date : February 2007
Actual Primary Completion Date : February 2008
Actual Study Completion Date : October 2008

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Sleep Apnea
U.S. FDA Resources

OSAS patients
no OSAS Patient

Primary Outcome Measures :
  1. Friedman Classification [ Time Frame: one year ]

Secondary Outcome Measures :
  1. Apnea-Hypopnea Index [ Time Frame: one year ]

Information from the National Library of Medicine

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Ages Eligible for Study:   21 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Study Population
Patients of Ambulatory of Sleep Respiratory Disorders of Santa Casa de Limeira

Inclusion Criteria:

  • Not exhibiting any exclusion criteria
  • Age > 21 years

Exclusion Criteria:

  • Nasal tumor
  • BMI > 40
  • No acceptance of study
  • Nasal poliposis

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00883025

Hospital Dia
Limeira, São Paulo, Brazil, 13485051
Sponsors and Collaborators
Irmandade da Santa Casa de Misericoridia de Limeira
Hospital Dia

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Marcos Marques Rodrigues, Irmandade da Santa Casa de Misericoridia de Limeira Identifier: NCT00883025     History of Changes
Other Study ID Numbers: CEP ISCML 113/08
First Posted: April 17, 2009    Key Record Dates
Last Update Posted: April 17, 2009
Last Verified: April 2009

Keywords provided by Irmandade da Santa Casa de Misericoridia de Limeira:
Friedman Classification
Apnea-Hypopnea Index
Obstructive Sleep Apnea Syndrome

Additional relevant MeSH terms:
Sleep Apnea Syndromes
Sleep Apnea, Obstructive
Pathologic Processes
Respiration Disorders
Respiratory Tract Diseases
Signs and Symptoms, Respiratory
Signs and Symptoms
Sleep Disorders, Intrinsic
Sleep Wake Disorders
Nervous System Diseases