Are home sleep studies useful in diagnosing obstructive sleep apnea in children with down syndrome?

Area of Science:

• Pediatric Pulmonology
• Sleep Medicine
• Clinical Diagnostics

Background:

• Obstructive sleep apnea syndrome (OSAS) is highly prevalent in children with Down syndrome (DS).
• Polysomnography (PSG) is the gold standard for OSAS diagnosis but is not always accessible for these children.
• There is a need for alternative, accessible diagnostic methods for OSAS in pediatric DS populations.

Purpose of the Study:

• To evaluate the feasibility and diagnostic validity of home polygraphy (HPG) as an alternative to PSG for children with DS.
• To determine the accuracy of HPG in identifying OSAS severity in this specific pediatric cohort.

Main Methods:

• A cohort of 19 children (aged 6-18 years) with Down syndrome participated.
• Otorhinolaryngologic evaluations, in-lab PSG, and home polygraphy (HPG) were conducted.
• OSAS diagnosis by PSG used an apnea-hypopnea index (AHI) ≥ 1; moderate-to-severe OSAS was defined as AHI ≥ 5. Receiver operating characteristic (ROC) curves were generated for HPG.

Main Results:

• HPG studies were technically acceptable in 89% of initial attempts, with a 100% success rate after repeating failed studies.
• PSG identified OSAS in 32% of participants (four with moderate-to-severe OSAS).
• HPG accurately identified all moderate-to-severe OSAS cases, demonstrating 100% sensitivity and 83% specificity for AHI ≥ 3.

Conclusions:

• Home polygraphy (HPG) is a feasible and reliable diagnostic tool for OSAS in children with Down syndrome.
• HPG can effectively aid in the diagnosis and management of moderate-to-severe OSAS in this patient group.
• HPG offers a practical alternative when PSG is unavailable for diagnosing pediatric OSAS in DS.