Αποτελέσματα Αναζήτησης
31 Μαΐ 2022 · Every 10 mmHg increase in SBP above 110 mmHg was associated with a −0.12% (56–65 years) lower RHCV, and −0.10% (56–65 years) lower LHCV in women; and a −0.008% (56–65 years) lower RHCV, and −0.07% (56–65 years) lower LHCV in men. However, the effect did not reach significance in men ( Figure 1 b).
Normal aging involves multiple overlapping processes occurring in brain structure that can be quantitatively assessed using MRI, PET, and other imaging methods, and can inform the study of cognitive aging when judiciously used in conjunction with careful cognitive testing.
11 Μαρ 2024 · Sliding-window analysis indicated the association between hypertension and brain aging acceleration was moderated by chronological age, showing stronger correlations in midlife but weaker associations in the older age. CONCLUSIONS: Compared with GM, WM was more vulnerable to raised BP.
12 Νοε 2018 · Linear models were used to test baseline BP-blood flow relationship and to examine how changes in BP influence changes in perfusion. In the entire group, systolic BP (SBP) was negatively related to cortical (β=−0.13, P =0.005) and hippocampal blood flow (β=-0.12, P =0.01).
11 Αυγ 2005 · The main imaging techniques dedicated to brain hemodynamics are positron emission tomography (PET), single photon emission computed tomography (SPECT), Xenon-enhanced computed tomography (XeCT), dynamic perfusion computed tomography (PCT), MRI dynamic susceptibility contrast (DSC), arterial spin labeling (ASL), and Doppler ultrasound.
8 Απρ 2024 · Specifically, neuroimaging can provide a range of directly or indirectly derived visual representation as well as quantitative analysis of the anatomy, blood flow, blood volume, electrical activity, metabolism, oxygen consumption, receptor sites and many other physiological functions within the CNS.
14 Μαρ 2017 · This paper presents a multimodal brain imaging setup, capable to non-invasively and continuously measure cerebral hemodynamic, cardiorespiratory and blood pressure oscillations...
