Abstract
Abstract Background and Aims To explore the clinical characteristics of obstructive sleep apnea hypopnea syndrome (OSAHS) in maintenance hemodialysis patients. Method 42 patients with maintenance hemodialysis in our hemodialysis center from April 2019 to December 2019 were enrolled for night-time sleep breathing monitoring. The patients were divided into the OSAHS group(n=25) and the non-OSAHS group(n=17) defined by AHI. The OSAHS group was further divided into a mild group (n=14) and a moderate-severe group (n=11). The clinical datas, sleep breathing monitoring datas, and echocardiographic parameters of the OSAHS group and the non-OSAHS group, the mild OSAHS group, and the moderate-severe OSAHS group were compared. Results 1. There were no differences in gender, age, dialysis age, spKt / V, BMI, TBW, ECW, ICW, E / I ratio, Ca, P, HB, and diastolic blood pressure between the the OSAHS group and the non-OSAHS group. 2. Incidence of left ventricular concentric hypertrophy (84.0% VS 47.1%, P = 0.011), left ventricular wall thickness (12.0 VS 10.2, P = 0.029) and systolic blood pressure (147.0 ± 9.6 VS 139.4 ± 13.8, P = 0.041) ) in OSAHS group was significantly higher than the non-OSAHS group; 3: There was no statistical difference in serum carbon dioxide binding capacity (CO2CP) between the two groups (23.1 ± 2.7 VS 23.8 ± 2.6, P = 0.392), but the daily intake of sodium bicarbonate in the OSAHS group was higher than that of the non-OSAHS group (2.5 ± 1.0 VS 1.5 ± 0.5, P = 0.004); the CO2CP of the moderate-severe OSAHS group was lower than that of the mild group (21.7 ± 2.2 VS 24.2 ± 2.7, P = 0.019 ), the left ventricular wall thickness was significantly higher than the mild group (11.4 ± 1.4 VS 12.6 ± 1.1, P = 0.025). Conclusion Clinicians should pay attention to the early diagnosis and prevention of OSAHS in maintenance hemodialysis patients. Because the dialysis population is different from the general population of OSAHS patients, the serum CO2CP of this population is negatively correlated with the degree of OSAHS, and clinicians need to pay particular attention to the amount of sodium bicarbonate to correct acidosis.
Published Version
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