General risk factors

1. Age is a risk factor for atelectasis for two reasons: increase in closure volume and reduction in cough reflex.

2. Atelectasis is a risk in obese individuals because the compression of the diaphragm reduces FRC and the closure volume then exceeds the FRC level. An ineffective cough and the supine position worsen the situation.

3. Smoking, through its related complications, plays a role in the occurrence of pulmonary conditions such as chronic obstructive pulmonary disease.

4. Pulmonary complications will occur three to four times more frequently in patients with a chronic respiratory condition than in those without such a pathology.

5. Dehydration with hyperosmolarity of viscous mucus has been reported as an etiological factor for atelectasis (Gaussorgues et al. 1988).

Sleep Apnea

Sleep Apnea

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