CPAP Treatment for Obstructive Sleep Apnea

Indications for CPAP Treatment

The American Thoracic Society recommends CPAP treatment for patients with moderate to severe obstructive sleep apnea (OSA), including those with REM-related OSA, as it reduces the risk of cardiovascular complications 1
Patients with OSA predominately in REM have a similar cardiovascular risk to those with moderate to severe persistent OSA, including pulmonary hypertension, systemic hypertension, and cardiovascular events 1
The American College of Chest Physicians suggests that CPAP treatment in patients with OSA and obesity reduces pulmonary artery pressures and vascular resistance, with decreases in mean pulmonary artery pressure from 16.8 to 13.9 mm Hg (p<0.05) after 4 months of treatment 1

The American Academy of Sleep Medicine indicates that the apnea-hypopnea index (AHI) in REM sleep is a determining factor for treatment, and values ≥15/hour are considered moderate to severe 1
The AHI global score may underestimate the severity of the disease when there is a predominance of REM-related OSA, as seen in patients with a global AHI of 8/hour but an AHI in REM of 29.1/hour 2, 3

The American Heart Association recommends that CPAP treatment be prioritized for obese patients with OSA due to the higher risk of cardiovascular and metabolic complications 1
Regular follow-up is essential to evaluate symptomatic improvement, treatment adherence, and consider control polysomnography if there are changes in symptoms or weight 4