Obstructive Sleep Apnea Linked to Reduced Muscle Quality in Non-Elderly Patients

Obstructive sleep apnea (OSA) has been identified as a significant age-related disorder associated with cardiovascular and metabolic morbidities. However, its relationship in non-elderly populations remains unclear. A recent study published in the Journal of Translational Medicine sheds light on this issue, revealing that OSA is associated with reduced muscle quality and increased fat infiltration in non-elderly hypertensive patients, and linked to metabolic abnormalities.

Key Takeaways:

  • The study enrolled 52 hypertensive patients aged below 60 years, divided into OSA (n = 29) and control (n = 23) groups.
  • The OSA group had higher BMI (27.3 ± 4.3 vs 24.8 ± 3.2 kg/m, p = 0.02) and larger erector spinae muscle cross-sectional area (20.6 ± 5.8 vs 15.8 ± 5.1 cm, p = 0.003).
  • Muscle density (35.3 ± 7.5 vs 41.6 ± 4.7 Hounsfield units, p = 0.001) and fat infiltration rate (1.5 ± 0.6 vs 2.3 ± 0.5, p = 0.001) were lower in the OSA group compared to controls.
  • OSA was linked to metabolic abnormalities, including reduced muscle quality and increased fat infiltration.
  • The study suggests that OSA may have a significant impact on muscle quality and metabolic health in non-elderly patients.

Statistics:

  • 52 patients were enrolled in the study, with 29 in the OSA group and 23 in the control group.
  • The OSA group had a mean age of 48.5 ± 7.6 years, compared to 24.8 ± 3.2 years in the control group.
  • The OSA group had a higher BMI (27.3 ± 4.3 vs 24.8 ± 3.2 kg/m, p = 0.02) and larger erector spinae muscle cross-sectional area (20.6 ± 5.8 vs 15.8 ± 5.1 cm, p = 0.003).
  • Muscle density (35.3 ± 7.5 vs 41.6 ± 4.7 Hounsfield units, p = 0.001) and fat infiltration rate (1.5 ± 0.6 vs 2.3 ± 0.5, p = 0.001) were lower in the OSA group compared to controls.

Sources:

  • NewsRx. Reports on Obstructive Sleep Apnea Findings from Second Affiliated Hospital Provide New Insights (Muscle quality decline and fat infiltration in non-elderly OSA patients: associations with metabolic abnormalities). Respiratory Therapeutics Week. November 3, 2025; p 5037.
  • Journal of Translational Medicine. Muscle quality decline and fat infiltration in non-elderly OSA patients: associations with metabolic abnormalities. 2025;23(1):1160.