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Chinese Journal of Lung Diseases(Electronic Edition) ›› 2019, Vol. 12 ›› Issue (02): 142-145. doi: 10.3877/cma.j.issn.1674-6902.2019.02.002

Special Issue:

• Original Article • Previous Articles     Next Articles

Relationship between oxygen reduction index and early impairment of renal function in patients with obstructive sleep apnea-hypopnea syndrome

Bo Pang1, Taoping Li2, Gengyun Sun1,()   

  1. 1. Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
    2. Sleep Medicine Center of Nanfang Hospital of Southern Medical University, Guangzhou 510515, China
  • Received:2018-11-21 Online:2019-04-20 Published:2019-04-20
  • Contact: Gengyun Sun
  • About author:
    Corresponding author: Sun Gengyun, Email:

Abstract:

Objective

To explore the relationship between oxygen reduction index (ODI) and early renal impairment in the patients with obstructive sleep apnea-hypopnea syndrome (OSAHS).

Methods

A total of 187 patients, who were diagnosed as OSAHS by polysomnography (PSG), were divided into three groups according to their ODI (mild: 5≤ODI<15; moderate: 15≤ODI<30; and severe: ODI≥30). The three groups were compared in their serum cystatin C (sCys-C), serum urea nitrogen (BUN), serum creatinine (SCr), serum beta 2-microglobulin (beta 2-MG), superoxide dismutase (SOD) and urinary N-acetyl-beta-D glucosaminide (NAG) and other differences. And the correlation was analyzed between the above-mentioned indexes and their ODIs.

Results

Significant differences were found in sCys-C, β2-MG, SOD and urinary NAG among the three groups (P<0.05). And ODI was positively correlated with sCys-C, β2-MG and urinary NAG, and negatively correlated with the level of SOD.

Conclusion

The patients with OSAHS having a high level of ODI often suffer from an early impairment of the renal function.

Key words: Obstructive sleep apnea-hypopnea syndrome, Oxygen reduction index, Renal function, Serum cystatin C

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