Does Pediatric Obstructive Sleep Apnea Syndrome Cause Systemic Microvascular Dysfunction?

The aim of this study was to evaluate whether pediatric obstructive sleep apnea syndrome (OSAS) secondary to adenoid hypertrophy causes systemic microvascular dysfunction. This is a prospective single-blinded case–control study. As the patient group, 81 patients diagnosed to have OSAS secondary to adenoid hypertrophy at our hospital between January 2016 and May 2016; as the control group, 26 healthy pediatric volunteers who presented to the hospital for health screening were included in this study. Three groups of OSAS patients were defined as mild, moderate, and severe respectively, according to the lateral nasopharynx x-ray. Patients with comorbid diseases were excluded from the study. For microvascular dysfunction, videocapillaroscopic evaluation was performed at the nailfold and capillary density (CD) and postocclusive reactive hyperemia (PORH) values were measured and statistical analysis between the groups was performed. The duration of complaints in all patients with OSAS was at least 6 months and 0.05). PORH measurement in the control group and mild, moderate, and severe OSAS group was 95.6 ± 8.6, 97.9 ± 10.1, 96 ± 8.7, and 93.9 ± 9.3, respectively, with no significant difference between the groups (P > 0.05). OSAS secondary to adenoid hypertrophy in pediatric patients was demonstrated to cause no dysfunction in microvascular circulation and carried no cardiovascular risk in the early period.

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