The Outcome of Chronic Kidney Disease Patients With Obstructive Sleep Apnea Syndrome

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• Patients receiving oxygen therapy or continuous positive airway pressure (CPAP) treatment;
  • Patients with other sleep disorders, including restless legs syndrome, periodic limb movement disorder, etc.;
  • Patients with other severe comorbidities: Severe heart failure (NYHA class III or IV); Myocardial infarction, unstable angina, or stroke within the past 3 months; Severe arrhythmias requiring medication or device therapy; Respiratory diseases, including COPD, asthma, thoracic deformities, etc.; Neurological disorders, including myasthenia gravis, Parkinson's disease, Alzheimer's disease, etc.; Active liver disease or severe hepatic insufficiency; Psychiatric conditions, including depression, anxiety disorders, etc.; History of malignancy within the past 5 years (except cured basal cell carcinoma); Uncontrolled hyperthyroidism;
  • Patients who underwent surgery or had acute infections within the past 3 months;
  • Current heavy alcohol consumption:Females: >3 drinks/day or >7 drinks/week; Males: >4 drinks/day or >14 drinks/week (1 standard drink = 14g of alcohol)
  • Current use of medications that may severely interfere with sleep, such as antipsychotics, antiepileptics, antiparkinsonian drugs, antidepressants, opioids, etc.;
  • Females who are pregnant or lactating at screening or baseline;
  • Inability to comply with the study due to: Low education level, language barriers, inability to tolerate or complete sleep monitoring, or other reasons preventing completion of study procedures (e.g., follow-up);
  • Deemed unsuitable for participation by the investigator's judgment.

• Voluntarily sign the informed consent form;
  • Aged ≥ 18 years and < 75 years;
  • Patients with CKD stages 3-4, with an eGFR of 15-60 ml/min/1.73m² calculated using the CKD-EPI formula for at least 3 months.