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Predictors of De-novo Development of Obstructive Sleep Apnea in Pregnancy

2016-09-28 23:08:21 | BioPortfolio

Summary

This study seeks to understand the physical, physiologic and biologic features that predispose a woman to the development of obstructive sleep apnea once they are exposed to the cardiopulmonary and metabolic physiological changes of pregnancy. Knowing these specific predictive factors can help identify a population at risk and guide clinicians to develop suitable targeting screening strategies.

Description

Patients will be recruited from multiple community and hospital-based practices that care for pregnant women. Subjects will have:

1. measurements of body composition

2. anthropometric measures

3. sleep and mood questionnaires

4. Home sleep studies

5. blood testing for biological markers

6. salivary testing for hormonal markers

7. pulmonary function tests and upper airway patency measurements

Women without sleep apnea at enrollment will then be followed longitudinally for the development of obstructive sleep apnea during pregnancy with repeat assessment during their third trimester. Women diagnosed with sleep apnea at enrollment will have no further assessment in late pregnancy.

Monetary incentives will also be issued at data collection points. Subjects will receive small gift incentives such as baby-related items.

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Conditions

Obstructive Sleep Apnea

Status

Not yet recruiting

Source

The Miriam Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-09-28T23:08:21-0400

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Medical and Biotech [MESH] Definitions

A condition associated with multiple episodes of sleep apnea which are distinguished from obstructive sleep apnea (SLEEP APNEA, OBSTRUCTIVE) by the complete cessation of efforts to breathe. This disorder is associated with dysfunction of central nervous system centers that regulate respiration. This condition may be idiopathic (primary) or associated with lower brain stem lesions; chronic obstructive pulmonary disease (LUNG DISEASES, OBSTRUCTIVE); HEART FAILURE, CONGESTIVE; medication effect; and other conditions. Sleep maintenance is impaired, resulting in daytime hypersomnolence. Primary central sleep apnea is frequently associated with obstructive sleep apnea. When both forms are present the condition is referred to as mixed sleep apnea (see SLEEP APNEA SYNDROMES). (Adams et al., Principles of Neurology, 6th ed, p395; Neurol Clin 1996;14(3):611-28)

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HYPOVENTILATION syndrome in very obese persons with excessive ADIPOSE TISSUE around the ABDOMEN and DIAPHRAGM. It is characterized by diminished to absent ventilatory chemoresponsiveness; chronic HYPOXIA; HYPERCAPNIA; POLYCYTHEMIA; and long periods of sleep during day and night (HYPERSOMNOLENCE). It is a condition often related to OBSTRUCTIVE SLEEP APNEA but can occur separately.

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