Less Autoregulation and More Flow in Subarachnoid Hemorrhage | Zendy

Nino Stocchetti | Zendy; Angelo Colombo | Zendy

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Less Autoregulation and More Flow in Subarachnoid Hemorrhage

Author(s) -

Nino Stocchetti,

Angelo Colombo

Publication year - 2007

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/strokeaha.107.487033

Subject(s) - medicine , subarachnoid hemorrhage , autoregulation , cerebral blood flow , cerebral autoregulation , anesthesia , cerebral perfusion pressure , intracranial pressure , stroke (engine) , blood pressure , cardiology , mechanical engineering , engineering

To the Editor:We read with interest the article by Jaeger et al1 published in the March issue of Stroke . In that article, tissue tension of oxygen (PtiO2) has been used as a surrogate marker of cerebral blood flow. After subarachnoid hemorrhage, in some patients a correlation (measured as the moving linear correlation coefficient, ORx) was found between changes in cerebral perfusion pressure (CPP) and corresponding changes in PtiO2, whereas in others this correlation was not detected. The absence of correlation was interpreted as a sign of preserved autoregulation, because a constant “flow” was …

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