Aims: Although it is known that alcohol has vasoactive properties, previous studies have not investigated the relationship between cerebral blood flow (CBF) and cerebral blood volume (CBV) after alcohol consumption. The aim of this study was to investigate effects of alcohol on CBF and CBV, both globally and regionally, in social drinkers.
Methods: The method of choice was dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI). Eight males were scanned twice on two separate days; once after consumption of alcohol (blood-alcohol concentration (BAC) of 0.08%) and once sober.
Results: The results showed an average increase of CBF after alcohol consumption, both in grey matter (GM) and in white matter (WM), with a CBF(BAC of 0.08%)/CBF(baseline) ratio of 1.2. Regional increases in CBF were seen in areas close to where the large brain-feeding blood vessels enter the brain, in the thalamus region and in the frontal brain regions. The lowest CBF changes were seen in the occipital brain regions. There was also an increase in CBV after alcohol consumption, in particular across WM regions.
Conclusion: In conclusion, a BAC of 0.08% causes both an average increase in global and regional CBF. There was stronger correlation between alcohol-induced changes in CBF and CBV in WM than in GM, suggesting the vasculature in the WM to be relatively more affected than the GM. Simultaneous measurements of CBF and CBV after acute alcohol intoxication in social drinkers are important in basic human neuroscience research to elucidate and understand brain physiology in the presence of exogenous neuro-pharmaceutical manipulations.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1093/alcalc/ags121 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Relationship between cumulative blood pressure exposure within the early brain injury time window and delayed cerebral ischemia and rebleeding in patients with aneurysmal subarachnoid hemorrhage after aneurysm clipping: a retrospective study.
Neurosurg Rev
December 2024
Department of Neurosurgery, The Second Affiliated Hospital, Chongqing Medical University, 76 Linjiang Road, Chongqing, 400010, People's Republic of China.
Delayed cerebral ischemia, one of the most common complications following aneurysmal subarachnoid hemorrhage, was strongly related to poor patient outcomes. However, there are currently no clear guidelines to provide clinical guidance for post-craniotomy management. Our research aims to explore the association between cumulative blood pressure exposure during the early brain injury phase and the occurrence of delayed cerebral infarction and rebleeding following surgical aneurysm clipping.
View Article and Find Full Text PDFArginine depletion-induced autophagy and metabolic dysregulation are involved in the disease severity of hand, foot, and mouth disease.
Virulence
December 2025
Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China.
Amino acid metabolism provides significant insight into the development and prevention of many viral diseases. Therefore, the present study aimed to compare the amino acid profiles of hand, foot, and mouth disease (HFMD) patients with those of healthy individuals and to further reveal the molecular mechanisms of HFMD severity. Using UPLC-MS/MS, we determined the plasma amino acid expression profiles of pediatric patients with HFMD (mild, = 42; severe, = 43) and healthy controls ( = 25).
View Article and Find Full Text PDF[A comparative assessment of neurochemical and neurophysiological parameters of cardiac surgery patients who underwent different versions of multitasking cognitive training].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russia.
Objective: To compare biomarkers of neurovascular unit (NVU) - S100β, NSE, BDNF and indicators of the brain electrical activity in patients who underwent coronary artery bypass grafting (CABG) depending on the use of different versions of multi-tasking cognitive training (CT).
Material And Methods: The study included 89 people, of whom 47 completed the CTI (postural and three cognitive tasks (counting backwards, verbal fluency and the open-ended task «Unusual use of an ordinary object») and 42 patients, who underwent CTII (visuomotor reaction and the same cognitive tasks) in the early postoperative CABG period. The patients of both groups underwent complex testing of psychomotor, executive functions, attention, short-term memory and EEG study in the perioperative period of CABG.
Global, regional, and national burdens of intracerebral hemorrhage and its risk factors from 1990 to 2021.
Eur J Neurol
January 2025
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Background And Purpose: The aim of this study was to assess the intracerebral hemorrhage (ICH) burden in 204 countries and territories worldwide from 1990 to 2021, disaggregated by sex, age, and sociodemographic index (SDI) at the global, regional, and country levels.
Methods: Data from the 2021 Global Burden of Disease Study (GBD) were used to calculate age-standardized prevalence (ASPR), incidence (ASIR), death (ASDR), and disability-adjusted life year (DALY) rates for ICH. The estimated annual percentage change (EAPC) was used to assess time patterns.
Liver Cirrhosis as a Predictor of Infection Risk in Patients Undergoing Ventriculoperitoneal Shunt Surgery: A Retrospective Cohort Analysis from the Taiwan National Health Insurance Research Database (NHIRD).
Med Sci Monit
December 2024
Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan.
BACKGROUND Ventriculoperitoneal (VP) shunt surgery is a widely used procedure for managing hydrocephalus; however, postoperative infections remain a serious complication, increasing morbidity and mortality. Known risk factors include prior surgeries, steroid use, and concurrent procedures. However, the role of liver cirrhosis, a condition that compromises immune function and predisposes patients to infections, has not been fully investigated in the context of neurosurgery.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!