Obstructive Sleep Apnea occurs in patients with Interstitial Lung Diseases- A North Indian Study

The obstructive sleep apnea is commonly found in interstitial lung diseases with overall incidence varying from 17 to 88 %. The morbidity and mortality of obstructive sleep apnea are high when it occurs with chronic respiratory diseases like interstitial lung diseases. There is lack of data on sleep breathing disorder in interstitial lung diseases patients from India. The present study in Journal of the Associations of Physcians of India aimed is to  Assess the occurrence of obstructive sleep apnea in interstitial lung diseases patients and its correlation with other parameters.

The study was a prospective observational study of 41 interstitial lung diseases patients of one-year duration. All patients underwent detailed clinical examination, radiological, laboratory investigations and Type 1 diagnostic polysomnography according to American Academy of Sleep Medicine Guidelines. The severity of obstructive sleep apnea was defined as per Apnea Hypopnea Index and the correlation of obstructive sleep apnea with other parameters were assessed.