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Background: Intradialytic hypotension (IDH) has a dramatic influence on the principle outcomes of dialysis patients. Early warning of hemodynamic worsening during dialysis would enable preventive measures to be taken. Blood oxygen saturation (SO2) is used for hemodynamic monitoring in the vital care setting and may provide useful information about IDH onset. Aim: To guage whether short- and medium-term variations within the SO2 signal (ST-SO2var, MT-SO2var,) throughout dialysis are a predictor of IDH. Methods: In this 3-month observational cohort study, 51 hypotension-prone chronic hemodialysis (HD) patients, with vascular access by arteriovenous fistula (AVF) or central venous catheter (CVC), have been enrolled. 0.2 Hz) by an optical sensor on the arterial line of the extracorporeal circulation; blood strain (every 30 min), signs and their time of look were famous. Predictive power of IDH was expressed by the realm below curve (AUC) sensitivity and specificity based on intradialytic variations in SO2. Results: A total of 1290 HD classes have been analyzed. Overall, off-line ST-SO2var analysis proved able to correctly predict IDH in 67 % of the sessions the place IDH occurred.
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發表於 2025-9-25 00:21:36