Association between impaired dynamic cerebral autoregulation and BBB disruption in reversible cerebral vasoconstriction syndrome.

"we applied transfer function analysis (tfa; the matlab code is available at http://www car-net org/content/resources ) to calculate phase shift gain and coherence between the cbfv and bp waveforms in the very-low frequency (vlf 0 02-0 07 hz) and low frequency (lf 0 07-0 20 hz) bands."

"Declarations Ethics approval and consent to participateThe study protocol was approved by the Institutional Review Board of Taipei Veterans General Hospital (TVGH; TVGH-IRB No 2019-02-013 A & 2020-07-001BC). All participants provided written informed consent before entering the study. All clinical investigations were conducted according to the principles expressed in the Declaration of Helsinki. The corresponding authors have full access to all data in the study and have final responsibility for the decision to submit the research for publication. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by the Brain Research Center, National Yang Ming Chiao Tung University from The Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (MOE) in Taiwan (SPC and SJW); the National Science and Technology Council of Taiwan [108-2314-B-010-022-MY3 & 110-2326-B-A49A-501-MY3 (SPC); 108-2321-B-010-001, 111-2321-B-A49-004, 111-2314-B-075-086-MY3& 112-2321-B-075-007 (SJW)]; Ministry of Health and Welfare, Taiwan [MOHW112-TDU-B-211-144001 (SJW); Taipei Veterans General Hospital, Taiwan [V112C-113 & V112E-004-1 (SJW); V111C-158, V112C-053 & V112D67-001-MY3-1 (SPC)]. The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication."