Study Finds Strong Connection Between OSA and MASLD in Type 2 Diabetes Patients
China: A recent study published in Scientific Reports has identified a strong link between obstructive sleep apnea (OSA) and metabolic dysfunction-associated steatotic liver disease (MASLD) among individuals with type 2 diabetes mellitus (T2DM). The findings highlight the importance of early detection and management of both conditions to prevent further health complications.
The study conducted by Dr. Qiang Lu and colleagues from the Department of Endocrinology at the First Hospital of Qinhuangdao, China, evaluated hospitalized T2DM patients using polysomnography to diagnose OSA and ultrasound imaging to assess the presence and severity of MASLD. Researchers also recorded relevant patient characteristics, including age, sex, diabetes duration, lifestyle habits (smoking and alcohol use), BMI, blood glucose, and lipid levels.
OSA severity was determined using the apnea-hypopnea index (AHI), while additional indicators such as the oxygen desaturation index (ODI) and the lowest oxygen saturation (LSaO2) during sleep were also considered.
The following were the key findings:
- A high prevalence (64.4%) of coexisting obstructive sleep apnea (OSA) and metabolic dysfunction-associated steatotic liver disease (MASLD) was observed among participants.
- All patients with severe MASLD were found to have OSA, with 50% exhibiting moderate or severe forms of the condition.
- The severity of MASLD increased in parallel with the severity of OSA.
- Nearly 92% of individuals with moderate-to-severe OSA had moderate-to-severe MASLD.
- The higher apnea-hypopnea index (AHI) and oxygen desaturation index (ODI), along with lower lowest oxygen saturation (LSaO2), were strongly associated with more severe MASLD.
- Among patients with moderate-to-severe MASLD, 62.5% had elevated AHI, 58.5% had reduced LSaO2, and 57.2% had high ODI values.
- The association between OSA and MASLD severity remained significant even after adjusting for age, sex, BMI, and metabolic factors.
- Researchers proposed that OSA may worsen liver disease progression in diabetic patients due to intermittent hypoxia and metabolic disruption.
- The presence of MASLD may also contribute to the worsening of sleep-related breathing disorders.
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