Normal perfusion pressure breakthrough phenomenon: what still remains unknown

Abstract

We report two cases of normal perfusion pressure breakthrough phenomenon after total brain arteriovenous malformation removal. Hereby, we demonstrate that not only autoregulation impairment in the ipsilateral hemisphere occurs but also contralateral remote vessels response does. Such findings may be observed at 2–4 weeks and may resolve after 1–3 months.

Keywords::

• arteriovenous malformation
• cerebral autoregulation
• cerebral oedema
• haemorrhage

Acknowledgement

The authors thank Cristina Ruiz Quevedo for assistance in the translation of the manuscript.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the article.