IMAGING SCIENCE AND PHOTOCHEMISTRY ›› 2022, Vol. 40 ›› Issue (5): 1236-1240.DOI: 10.7517/issn.1674-0475.220402

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Evaluation of DEG Combined with Heart Rate Deceleration Force and Short-term Blood Pressure Variability on the Risk of Sudden Death in SAHS Patients

LIANG Lingdi, ZENG Yanling, ZHANG Tiantian, WANG Dongdong   

  1. Liuzhou People's Hospital, Liuzhou 545006, Guangxi, P. R. China
  • Received:2022-04-26 Published:2022-09-13

Abstract: This paper aimed to investigate the value of dynamic electrocardiogram (DEG) combined with heart rate deceleration force and short-term blood pressure variability in the risk assessment of sudden death in patients with sleep apnea hypopnea syndrome (SAHS). 92 patients with suspected SAHS were selected, and the finally diagnosed 47 patients with SAHS were set as observation group, and the remaining 45 patients were control group. All patients underwent DEG examination and short-term blood pressure variation detection. The results showed that the standard deviation of normal R-R intervals (SDNN), mean of the standard deviation of normal R-R intervals (SDANN), the root mean square of the difference (rMSSD), and the heart rate deceleration force (DC) were negatively correlated with the severity of the disease (P<0.05). The heart rate (HR), 24 h mean systolic blood pressure variability (24 h SBPV) were positively correlated with disease severity (P<0.05). Compared with SDNN, SDANN, rMSSD, HR, DC, and 24 h SBPV single assessment, the combination of six assessments was more valuable in assessing the risk of sudden death in SAHS patients (P<0.05). It shows that the risk of sudden death in SAHS patients can be evaluated by DEG combined with heart rate deceleration force and short-term blood pressure variability, and the evaluation value is high.

Key words: dynamic electrocardiogram, heart rate deceleration, short-term blood pressure variability, sleep apnea hypopnea syndrome, risk of sudden death