Correlation Between Trachebroncho Malacia/Hyperdynamic Airway Collapse And Obstructive Sleep Apnea
| Status: | Completed |
|---|---|
| Conditions: | Insomnia Sleep Studies, Hospital, Pulmonary, Pulmonary |
| Therapuetic Areas: | Psychiatry / Psychology, Pulmonary / Respiratory Diseases, Other |
| Healthy: | No |
| Age Range: | 18 - 80 |
| Updated: | 4/21/2016 |
| Start Date: | March 2014 |
| End Date: | March 2015 |
The investigators hypothesize that there is a strong correlation between OSA and TBM/HDAC.
Our hypothesis is based on the similarities in mechanism (airway collapse), symptoms
(daytime and nocturnal dyspnea) predisposing conditions (obesity and neuromuscular
abnormalities of the chest wall and the diaphragm), and effect of interventions (CPAP and
BIPAP) in these diseases.
Our hypothesis is based on the similarities in mechanism (airway collapse), symptoms
(daytime and nocturnal dyspnea) predisposing conditions (obesity and neuromuscular
abnormalities of the chest wall and the diaphragm), and effect of interventions (CPAP and
BIPAP) in these diseases.
Tracheobronchomalacia (TBM) and HyperDynamic Airway Collapse (HDAC) are two distinct airway
diseases that lead to airway collapse which can in turn lead to the symptoms of dyspnea,
cough, and inability to expectorate sputum effectively. TBM entails flaccid tracheal and
bronchial cartilages leading to airway collapse, emanating primarily from the anterior wall
of the lumen. It is seen in conditions such as Relapsing Polychondritis and saber sheath
tracheal deformity. HDAC on the other hand is the hyper-flaccidity of the membranous portion
of the tracheobronchial tree leading to airway collapse. This condition is commonly seen
with obesity and severe emphysema. TBM and HDAC frequently coexist.
In patients with TBM/HDAC sleep disorders are common. Patients often complain of poor
quality sleep, snoring, daytime fatigue, and somnolence. These patients are often diagnosed
with Obstructive Sleep Apnea (OSA) upon workup.
diseases that lead to airway collapse which can in turn lead to the symptoms of dyspnea,
cough, and inability to expectorate sputum effectively. TBM entails flaccid tracheal and
bronchial cartilages leading to airway collapse, emanating primarily from the anterior wall
of the lumen. It is seen in conditions such as Relapsing Polychondritis and saber sheath
tracheal deformity. HDAC on the other hand is the hyper-flaccidity of the membranous portion
of the tracheobronchial tree leading to airway collapse. This condition is commonly seen
with obesity and severe emphysema. TBM and HDAC frequently coexist.
In patients with TBM/HDAC sleep disorders are common. Patients often complain of poor
quality sleep, snoring, daytime fatigue, and somnolence. These patients are often diagnosed
with Obstructive Sleep Apnea (OSA) upon workup.
Inclusion Criteria:
- Females and males ages 18-80 years old
- Able and willing to provide written informed consent
- Existing diagnosis of TBM or HDAC or both
- No pre-existing diagnosis of OSA
- No history of reconstructive surgery of chest wall or diaphragm
Exclusion Criteria:
- Inability to provide informed consent
- Non-English speaking
- Poorly controlled congestive heart failure
- Untreated Insomnia
- Severe Coronary artery disease with active symptoms of angina
- Patient is pregnant, or plans to become pregnant in next 3 months
- Moderate to severe bronchiectasis
- Severe untreated gastroesophageal disease (GERD).
- Moderate to large hiatal hernia deemed to be atleast in part responsible for TBM/HDAC
- Airway obstruction not caused by TBM /HDAC or secondary TBM/HDAC caused by conditions
such as Chronic Obstructive Pulmonary Disease (COPD).
- Active or recent (with in last one year) cancer or cancer therapy (chemotherapy,
radiation therapy or surgery)
- Inability to properly perform the home sleep test
- Unreliable test data after 2 attempts
- BMI>45
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