Impaired Cerebral Oxygenation In Heart Failure In Patients At Rest And During Head-Up Tilt Testing

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Same blood pressure, same heart rate but the flow in the brain is impaired - heart failure is not only about the heart but the brain too.

Conclusions
Cerebral tissue oxygenation is lower in HF patients both at rest and during orthostasis compared with subjects without HF. Future studies should test if the lower cerebral oxygenation associates with negative prognosis and with impaired cognitive function

https://onlinelibrary.wiley.com/doi/10.1002/ehf2.13128