Abstract
We evaluated alterations in cerebrospinal fluid (CSF) flow based on the neurological prognosis of out-of-hospital cardiac arrest (OHCA) patients. This prospective observational study was conducted from May 2023 to June 2024. Stroke distance was measured using magnetic resonance imaging flowmetry immediately and at 72h after return of spontaneous circulation (ROSC), with negative values indicating caudocranial direction. The caudocranial direction of CSF flow was observed in 17 (56.7%) patients immediately after ROSC, and in 20 (66.7%) patients at 72h after ROSC. There was no significant difference in the occurrence of caudocranial CSF flow immediately after ROSC between the groups with good and poor neurological prognosis [6 (50.0%) vs. 11 (61.1%); p = 0.55]. However, the occurrence of caudocranial CSF flow at 72h after ROSC was significantly higher in the group with poor neurological prognosis compared to the group with good neurological prognosis [3 (25.0%) vs. 17 (94.4%); p < 0.001]. This study demonstrated that the occurrence of caudocranial CSF flow at 72h after ROSC was significantly higher in the group with poor neurological prognosis compared to the group with good neurological prognosis.
Published Version
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