Cumulative impact of hypotension during intermittent hemodialysis on Cumulative impact of hypotension during intermittent hemodialysis on kidney recovery in critically ill patients with AKI-D kidney recovery in critically ill patients with AKI-D

초록

Background: Intermittent hemodialysis (IHD) is commonly implemented in patients with AKI-D, irrespective of Background: Intermittent hemodialysis (IHD) is commonly implemented in patients with AKI-D, irrespective of the initial kidney replacement therapy (KRT) modality. However, concerns remain regarding the hemodynamic the initial kidney replacement therapy (KRT) modality. However, concerns remain regarding the hemodynamic instability during IHD. This study aimed to assess the association between hypotensive episodes during IHD and instability during IHD. This study aimed to assess the association between hypotensive episodes during IHD and kidney recovery in AKI-D patients. kidney recovery in AKI-D patients. Methods: We retrospectively enrolled AKI-D survivors who received IHD in the intensive care units of a tertiary Methods: We retrospectively enrolled AKI-D survivors who received IHD in the intensive care units of a tertiary care hospital in Korea from January 2018 to February 2024. care hospital in Korea from January 2018 to February 2024. Results: A total of 1791 IHD sessions from 209 AKI-D survivors were analyzed. The patients underwent a median Results: A total of 1791 IHD sessions from 209 AKI-D survivors were analyzed. The patients underwent a median of 7 IHD sessions (interquartile range [IQR] 3-11), with an incidence of intradialytic hypotension (IDH) of 16.8 of 7 IHD sessions (interquartile range [IQR] 3-11), with an incidence of intradialytic hypotension (IDH) of 16.8 % per patient. Of these, 43.1 % were dialysis-dependent at hospital discharge. The number of IDH was a sig% per patient. Of these, 43.1 % were dialysis-dependent at hospital discharge. The number of IDH was a significant predictor of dialysis dependence (odds ratio [OR] 1.56; 95 % confidence interval [CI] 1.16-2.22). Panificant predictor of dialysis dependence (odds ratio [OR] 1.56; 95 % confidence interval [CI] 1.16-2.22). Patients experiencing >= 3 IDH episodes had a substantially higher risk of dialysis dependence compared to those tients experiencing >= 3 IDH episodes had a substantially higher risk of dialysis dependence compared to those without IDH (OR 9.41; 95 % CI 2.41-41.69). In per-session analysis, the target ultrafiltration rate was identified without IDH (OR 9.41; 95 % CI 2.41-41.69). In per-session analysis, the target ultrafiltration rate was identified as an independent risk factor for IDH occurrence. as an independent risk factor for IDH occurrence. Conclusions: Our study revealed that IHD-related hypotension during hospitalization has a cumulative negative Conclusions: Our study revealed that IHD-related hypotension during hospitalization has a cumulative negative impact on kidney recovery in AKI-D survivors. impact on kidney recovery in AKI-D survivors.

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