Longitudinal Fatigue Symptoms and Inflammatory Markers in African American Adults With Hypertension and Obstructive Sleep Apnea.
Nicholas A Giordano, Madelyn C Houser, Jordan Pelkmans and 7 others
PMID 39330870WHAT IT FOUND
In 29 African American adults recently diagnosed with obstructive sleep apnea, fatigue improved over 6 months, especially in those with hypertension after starting CPAP.
Early IL-6 changes tracked fatigue change. This was a small pilot without CPAP adherence data.
Key findings
01Fatigue scores improved over the first 6 months after OSA diagnosis, and the improvement was greater among participants with hypertension.
02Participants with hypertension had an average 12-point higher PROMIS Fatigue score at baseline, then improved to a level similar to participants without hypertension at 6 months.
03A 1-unit decline in log IL-6 was associated with a 29.2-point reduction in PROMIS Fatigue scores by 3 months, but this association was not seen at 6 months.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
This was a pilot study with 29 participants, so it cannot prove that CPAP caused fatigue improvement. CPAP adherence was not measured, so fatigue change may reflect how much CPAP was actually used. The sample was African American adults with OSA from two clinics, so results may not apply to other groups. The small sample may have missed additional patterns and could explain why the IL-6 association was seen at 3 months but not 6 months. The study followed participants over time, so change cannot be separated from possible regression to the mean.
Declared interests
No funding or conflict of interest declaration appears in the supplied text; the publication type lists NIH extramural support.
The easy way to misread this
Do not read this as proof that CPAP or IL-6 testing will reduce fatigue. The study was a pilot with 29 participants, did not measure CPAP adherence, and followed participants over time, so it shows associations rather than treatment effects.