Quantification of dynamic cerebral autoregulation: welcome to the jungle!

P Brassard, MA Roy, JS Burma, L Labrecque… - Clinical Autonomic …, 2023 - Springer
Purpose Patients with dysautonomia often experience symptoms such as dizziness,
syncope, blurred vision and brain fog. Dynamic cerebral autoregulation, or the ability of the …

A systematic review, meta-analysis, and meta-regression amalgamating the driven approaches used to quantify dynamic cerebral autoregulation

JS Burma, MA Roy, CM Kennedy… - Journal of Cerebral …, 2024 - journals.sagepub.com
Numerous driven techniques have been utilized to assess dynamic cerebral autoregulation
(dCA) in healthy and clinical populations. The current review aimed to amalgamate this …

On the use and misuse of cerebral hemodynamics terminology using transcranial Doppler ultrasound: a call for standardization

RJ Skow, RM Brothers… - American Journal …, 2022 - journals.physiology.org
Cerebral hemodynamics, eg, cerebral blood flow, can be measured and quantified using
many different methods, with transcranial Doppler ultrasound (TCD) being one of the most …

The effect of hypercapnia on the directional sensitivity of dynamic cerebral autoregulation and the influence of age and sex

RB Panerai, A Davies, RH Clough… - Journal of Cerebral …, 2024 - journals.sagepub.com
The cerebral circulation responds differently to increases in mean arterial pressure (MAP),
compared to reductions in MAP. We tested the hypothesis that this directional sensitivity is …

Lower middle cerebral artery blood velocity during low-volume high-intensity interval exercise in chronic stroke

AA Whitaker, S Waghmare… - Journal of Cerebral …, 2024 - journals.sagepub.com
High-intensity interval training (HIIE) may present unique challenges to the cerebrovascular
system in individuals post-stroke. We hypothesized lower middle cerebral artery blood …

Directional sensitivity of dynamic cerebral autoregulation during spontaneous fluctuations in arterial blood pressure at rest

RB Panerai, SC Barnes, AP Batterham… - Journal of Cerebral …, 2023 - journals.sagepub.com
Directional sensitivity, the more efficient response of cerebral autoregulation to increases,
compared to decreases, in mean arterial pressure (MAP), has been demonstrated with …

Point/counterpoint: we should take the direction of blood pressure change into consideration for dynamic cerebral autoregulation quantification

L Labrecque, JD Smirl, YC Tzeng… - Journal of Cerebral …, 2022 - journals.sagepub.com
Accumulating evidence suggests asymmetrical responses of cerebral blood flow during
large transient changes in mean arterial pressure. Specifically, the augmentation in cerebral …

Influence of high‐intensity interval training to exhaustion on the directional sensitivity of the cerebral pressure‐flow relationship in young endurance‐trained men

F Abbariki, MA Roy, L Labrecque… - Physiological …, 2022 - Wiley Online Library
We previously reported subtle dynamic cerebral autoregulation (dCA) alterations following 6
weeks of high‐intensity interval training (HIIT) to exhaustion using transfer function analysis …

Directional sensitivity of the cerebral pressure-flow relationship during forced oscillations induced by oscillatory lower body negative pressure

L Labrecque, MA Roy… - Journal of Cerebral …, 2024 - journals.sagepub.com
A directional sensitivity of the cerebral pressure-flow relationship has been described using
repeated squat-stands. Oscillatory lower body negative pressure (OLBNP) is a reproducible …

Cerebrovascular adaptations to habitual resistance exercise with aging

EY Allison, BK Al-Khazraji - American Journal of Physiology …, 2024 - journals.physiology.org
Resistance training (RT) is associated with improved metabolism, bone density, muscular
strength, and lower risk of osteoporosis, sarcopenia, and cardiovascular disease. Although …