• In response to ischemia, the brain degenerates by the process of liquefactive necrosis. (wikipedia.org)
  • The determination of regional cerebral blood volume (rCBV) from dynamic susceptibility-enhanced MR imaging measurements is an established tool for the characterization of ischemia (16−18) and enables the differentiation of normal from abnormal perfusion (19) . (ajnr.org)
  • Brain ischemia is a condition in which there is insufficient bloodflow to the brain to meet metabolic demand. (wikipedia.org)
  • Ischemia leads to alterations in brain metabolism, reduction in metabolic rates, and energy crisis. (wikipedia.org)
  • and global ischemia, which encompasses wide areas of brain tissue. (wikipedia.org)
  • The main symptoms of brain ischemia involve impairments in vision, body movement, and speaking. (wikipedia.org)
  • The causes of brain ischemia vary from sickle cell anemia to congenital heart defects. (wikipedia.org)
  • Symptoms of brain ischemia can include unconsciousness, blindness, problems with coordination, and weakness in the body. (wikipedia.org)
  • Other effects that may result from brain ischemia are stroke, cardiorespiratory arrest, and irreversible brain damage. (wikipedia.org)
  • In 1974, Hossmann and Zimmermann demonstrated that ischemia induced in mammalian brains for up to an hour can be at least partially recovered. (wikipedia.org)
  • Accordingly, this discovery raised the possibility of intervening after brain ischemia before the damage becomes irreversible. (wikipedia.org)
  • The symptoms of brain ischemia reflect the anatomical region undergoing blood and oxygen deprivation. (wikipedia.org)
  • Ischemia within the arteries branching from the vertebral arteries in the back of the brain may result in symptoms such as dizziness, vertigo, double vision, or weakness on both sides of the body[citation needed]. (wikipedia.org)
  • The symptoms of brain ischemia range from mild to severe. (wikipedia.org)
  • Similar to cerebral hypoxia, severe or prolonged brain ischemia will result in unconsciousness, brain damage or death, mediated by the ischemic cascade. (wikipedia.org)
  • Brain ischemia has been linked to a variety of diseases or abnormalities. (wikipedia.org)
  • Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population. (wikipedia.org)
  • Sickle cell anemia may cause brain ischemia associated with the irregularly shaped blood cells. (wikipedia.org)
  • citation needed] Compression of blood vessels may also lead to brain ischemia, by blocking the arteries that carry oxygen to the brain. (wikipedia.org)
  • citation needed] A heart attack can also cause brain ischemia due to the correlation that exists between heart attack and low blood pressure. (wikipedia.org)
  • Therefore, brain ischemia can result from events other than heart attacks. (wikipedia.org)
  • citation needed] Congenital heart defects may also cause brain ischemia due to the lack of appropriate artery formation and connection. (wikipedia.org)
  • citation needed] Other pathological events that may result in brain ischemia include cardiorespiratory arrest, stroke, and severe irreversible brain damage. (wikipedia.org)
  • metabolic acidosis, arrhythmias, myocardial ischemia or infarction, and noncardiogenic pulmonary edema, although any organ system might be involved. (cdc.gov)
  • Prof. Dreier says, "Measurements of spreading depolarization may prove as important to the development of interventions for patients with stroke, global ischemia and traumatic brain injury, as similar electrophysiological tools have proved in the past, in the areas of epilepsy or cardiology-because they make the underlying causes visible. (medicalxpress.com)
  • WMH and SVD burden may signify a diminished capacity of cerebral tissue to withstand ischemia. (researchsquare.com)
  • This article describes the pathophysiology of, and treatment strategy for, cerebral ischemia. (nih.gov)
  • Reperfusion plays an important role in the pathophysiology of cerebral ischemia. (nih.gov)
  • Magnetic resonance imaging (MRI) and histological studies in rat focal ischemia models using transient middle cerebral artery (MCA) occlusion indicate that reperfusion after an ischemic episode of 2- to 3-hour duration does not result in reduction of the size of the infarct. (nih.gov)
  • Hypoxia and ischemia of the brain are key pathophysiological mechanisms of ischemic stroke ( 5 , 6 ). (frontiersin.org)
  • Neuronal loss in the hippocampus, regarded as one of the basic pathological mechanisms underlying cognitive impairment, can result from Focal cerebral ischemia-reperfusion. (medindia.net)
  • Conclusion: Our data suggest that increased formation of AGEs may be an indicator of oxidative stress, not only in diabetes and renal failure, but also in chronic cerebral ischemia. (elsevierpure.com)
  • The purpose of this study is to establish and validate an animal model for research in the recovery and sequela stages of brain ischemia by testing brain infarction and sensorimotor function after middle cerebral artery occlusion/reperfusion (MCAO/R) after 1-90 days in rats. (jove.com)
  • This study uses an established animal model to research the recovery and the sequelae stages of brain ischemia. (jove.com)
  • Cerebral hyperexcitability in migraine experiencers might sensitize brain tissue to ischemia. (medscape.com)
  • We investigated whether a personal history of migraine is associated with vulnerability to brain ischemia in humans. (medscape.com)
  • Migraine is likely to increase individual vulnerability to ischemic stroke during the process of acute brain ischemia and might represent, therefore, a potential new therapeutic target against occurrence and progression of the ischemic damage. (medscape.com)
  • [ 1 ] A recent hypothesis to explain the migraine-stroke association, based on experimental data obtained in mice expressing familial hemiplegic migraine type 1 mutations, is that the cerebral hyperexcitability phenotype associated with migraine might sensitize brain tissue to ischemia. (medscape.com)
  • Based on these premises, taking advantage of the reliability of computed tomography perfusion (CTP) imaging in the estimation of cerebral tissue viability in both clinical and research settings, [ 4 ] we conducted a case-control study comparing CTP maps of migraineurs and nonmigraineurs patients with acute ischemic stroke aimed at investigating whether a personal history of migraine is associated with vulnerability to brain ischemia. (medscape.com)
  • Among the several possibilities, e.g. micro- and macroangiopathy, hyperlipidemia and blood clotting disorders, the adverse effect of hyperglycemia on cerebral metabolism during ischemia have in the last decade been the focus of intensive research, both experimental Correspondence to: Karl Murros MD, Department of Neurology, Central Hospital of Central Finland, SF-40620 Jyviis~l[i, Finland. (docksci.com)
  • Hyperglycemia, especially predating cerebral ischemia may increase the size of an ischemic lesion of the brain and worsen the prognosis (Pulsinelli et al. (docksci.com)
  • These four entities predict the extent of the stroke, the area of the brain affected, the underlying cause, and the prognosis. (wikipedia.org)
  • In people who die of cerebral infarction, an autopsy of stroke may give a clue about the duration from the infarction onset until the time of death. (wikipedia.org)
  • Cerebral vein thrombosis is a more frequent presentation than arterial stroke. (medscape.com)
  • Several studies have reported farctions in different vascular areas, and magnetic that acute ischemic stroke can develop in COVID-19 resonance imaging of the brain confirmed this find- patients ( 1 - 6 ). (cdc.gov)
  • On April 3 (day 9 of hospitalization), dysarthria, cated as potential causes of cerebral stroke, such as left hemiplegia, and alteration of consciousness de- herpes simplex virus, varicella zoster virus, Trepo- veloped. (cdc.gov)
  • Brain magnetic resonance imaging revealed nema pallidum , Mycobacterium tuberculosis , and Asper- acute ischemic stroke in multiple vascular areas gillus spp. (cdc.gov)
  • This leads to poor oxygen supply or cerebral hypoxia and thus leads to the death of brain tissue or cerebral infarction/ischemic stroke. (wikipedia.org)
  • Cerebral microbleeds (CMB) on MRI are frequent in healthy aging individuals but precede ischemic and hemorrhagic stroke and dementia. (lu.se)
  • Their findings, which have been published in the journal Brain , may lay the foundations for new stroke treatments. (medicalxpress.com)
  • Anoxic brain damage can occur if blood flow to the brain is blocked or slowed due to blood clot, stroke, or heart attack. (outsourcestrategies.com)
  • MRI scans were performed within seven days of stroke onset, and then neuroimaging markers of SVD including WMH, lacunes, cerebral microbleeds (CMB), and perivascular spaces (PVS) , SVD burden scores were assessed. (researchsquare.com)
  • So far CVR-L-Arg has been used to study cerebral endothelial function in many pathological conditions such as stroke, migraine, etc. (hindawi.com)
  • In the treatment of acute ischemic stroke, immediate recanalization of the occluded artery, using systemic or local thrombolysis, is optimal for restoring the blood flow and rescuing the ischemic brain from complete infarction. (nih.gov)
  • Stroke is caused not only by arterial thrombosis but also by cerebral venous thrombosis. (frontiersin.org)
  • The ischemic stroke accounts for the 87% of all cases, which results from the cerebral arteries occlusion due to thrombosis, atherosclerosis and platelets plug ( 3 ). (frontiersin.org)
  • The molecular pathological hallmarks of arterial stroke and cerebral venous thrombosis. (frontiersin.org)
  • Almost 50 years ago, Fisher [[ 1 ]] first described the presence of cerebral infarction in the absence of any clinically apparent stroke or transient ischemic attack. (biomedcentral.com)
  • Ischemic Stroke An ischemic stroke is death of an area of brain tissue (cerebral infarction) resulting from an inadequate supply of blood and oxygen to the brain due to blockage of an artery. (merckmanuals.com)
  • A stroke may be caused by (a) blockage of a blood vessel within the brain (cerebral infarction), (b) rupture of a blood vessel within the brain (cerebral haemorrhage), or (c) rupture of a blood vessel into the space surrounding the brain (subarachnoid haemorrhage). (brainfoundation.org.au)
  • The symptoms and effects vary according to the type of stroke, the part of the brain affected and the size of the damaged area. (brainfoundation.org.au)
  • Usually a stroke in one side of the brain causes the opposite side of the body to be affected. (brainfoundation.org.au)
  • A stroke is the sudden death of brain cells due to lack of oxygen. (adam.com)
  • The consequences of a stroke, the type of functions affected, and the severity depend on where in the brain it has occurred and the extent of the damage. (adam.com)
  • Strokes are caused by either blood flow blockage to the brain (ischemic stroke) or the sudden rupture of an artery in the brain (hemorrhagic stroke). (adam.com)
  • The commoner type is an ischemic stroke, caused by interruption of blood flow to a certain area of the brain. (physio-pedia.com)
  • This is the most important "time is brain" concept in understanding acute stroke and its treatment. (physio-pedia.com)
  • Multicenter cohort study of patients with acute ischemic stroke who underwent a brain computed tomography perfusion and were scheduled to undergo reperfusion therapy. (medscape.com)
  • METHODS AND RESULTS: In a population-based study of all acute vascular events, irrespective of age, we studied family history of myocardial infarction (MI), stroke, and related risk factors in first-degree relatives. (ox.ac.uk)
  • In probands with cerebral events, however, parental stroke was not associated with sibling stroke. (ox.ac.uk)
  • CONCLUSIONS: Heritability of coronary events was greater than that of cerebral events, such that MI was more likely to cluster in families than was stroke. (ox.ac.uk)
  • The course or prognosis of the stroke, also known as CVA - cerebral vascular accident - is unknown during the early days, unless death occurs. (healthy.net)
  • The idea here is that if the stroke is ischemic (temporary restriction of oxygenated blood) the body naturally and preferentially preserves blood flow to the brain, so cooling the rest of the body will cause the blood to shunt rapidly to the brain. (healthy.net)
  • Because prestroke blood glucose level, in contrast to post-stroke blood glucose level, did not have any predictive value concerning stroke outcome it is concluded that high fasting blood glucose values after stroke reflect a stress response to a more severe ischemic brain lesion. (docksci.com)
  • Thus, a crucial question concerning the association of post-stroke hyperglycemia and unfavourable prognosis is whether the high glucose values are the primary cause of more severe strokes or are they only a reflection, a stress response, of more severe strokes and brain lesions? (docksci.com)
  • i.p) or vehicle administered 24 hours after permanent middle cerebral artery occlusion (pMCAO) on behavior, angiogenesis, ultra-structural integrity of brain capillary endothelial cells, and expression of EPO and VEGF were assessed. (researchgate.net)
  • Two classical surgical approaches for intraluminal filament middle cerebral artery occlusion (MCAO), the Longa et al. (mdpi.com)
  • On cerebral angiograms, coiling of the bilateral carotid arteries, occlusion of the basilar artery at the distal site, and fenestration of the left vertebral artery at the atlanto-axis level were shown. (nih.gov)
  • In this case, the fenestration may have played a role as an embolic source because there was no probable cause of the cerebral infarction, and the vascular occlusion and recanalization occurred near the distal site of the fenestration. (nih.gov)
  • Cerebral infarction is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). (wikipedia.org)
  • From the perspective of neural plasticity, Dr. Yun Xiang and co-workers from Sun Yat-sen University in China observed the effects of functional electrical stimulation treatment on endogenous neural precursor cell proliferation and expression of basic fibroblast growth factor and epidermal growth factor in the rat brain on the infarct side. (medindia.net)
  • The brain infarct volume was measured from the CTs. (docksci.com)
  • The researchers found that functional electrical stimulation can promote endogenous neural precursor cell proliferation in the brains of acute cerebral infarction rats, enhance expression of basic fibroblast growth factor and epidermal growth factor, and improve the motor function of rats. (medindia.net)
  • This report describes 2 men, age 35 and 24 years, who developed acute cerebral infarction. (keyopinionleaders.com)
  • Cerebral infarction is caused by a disruption to blood supply that is severe enough and long enough in duration to result in tissue death. (wikipedia.org)
  • Even in cases where there is a complete blockage to blood flow of a major blood vessel supplying the brain, there is typically some blood flow to the downstream tissue through collateral blood vessels, and the tissue can typically survive for some length of time that is dependent upon the level of remaining blood flow. (wikipedia.org)
  • It sets off a wave of electrochemical depolarization, or "spreading depolarization," within the brain tissue. (medicalxpress.com)
  • The 'negative ultraslow potential' constitutes the electrophysiological correlate of infarction, and of tissue death due to an inadequate supply of blood. (medicalxpress.com)
  • Brain infarction is the result of a cascade of events initiated by inadequate blood flow through the brain that is followed by HYPOXIA and HYPOGLYCEMIA in brain tissue. (bvsalud.org)
  • Traumatic brain injury (TBI) is physical injury to brain tissue that temporarily or permanently impairs brain function. (msdmanuals.com)
  • Open head injuries involve penetration of the scalp and skull (and usually the meninges and underlying brain tissue). (msdmanuals.com)
  • While climbing the scaffold, he may have had a cerebral infarction (blockage of the flow of blood to the cerebrum, causing or resulting in brain tissue death). (cdc.gov)
  • Herniation occurs when the brain is forced downward through a small natural opening in the sheets of tissue that separate the brain into compartments. (merckmanuals.com)
  • The combination of NSCs with NSC-derived exosomes ameliorated the injury of brain tissue including cerebral infarction, neuronal death, and glial scarring, and promoted the recovery of motor function. (elifesciences.org)
  • The brain swells in response to the inflammation, and the mass may put pressure on delicate brain tissue. (geometry.net)
  • Along with the observation that migraine mutants had an elevated minimum cerebral blood flow threshold required for tissue survival and developed larger infarcts, these findings directly support the hypothesis that brain tissue in migraineurs is more susceptible to ischemic injury. (medscape.com)
  • Strokes are brief episodes involving a lack of oxygenated blood flowing to the brain (90% are ischemic infarctions), or a sudden bleed within the brain tissue (10% are hemorrhagic) which causes permanent damage to the effected area of the central nervous system. (healthy.net)
  • If cerebral infarction is caused by a thrombus occluding blood flow to an artery supplying the brain, definitive therapy is aimed at removing the blockage by breaking the clot down (thrombolysis), or by removing it mechanically (thrombectomy). (wikipedia.org)
  • Blockage of blood flow to the brain for even a short period of time can be disastrous and cause brain damage or even death. (adam.com)
  • There are various classification systems for cerebral infarcts, some of which are described below. (wikipedia.org)
  • Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an arteriopathic syndrome related to a genetic defect on chromosome 19. (ajnr.org)
  • Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) has recently been described as a hereditary microangiopathic condition leading to cerebrovascular symptoms in the third to fourth decade of life (1, 2) . (ajnr.org)
  • It is only in recent years with major advances in imaging technology, however, that 'silent' brain infarcts (SBI) have been studied in any detail. (biomedcentral.com)
  • Included studies were restricted to original contributions that prospectively enrolled adults from the population-based cohorts (via community surveys or routine health screening) and assessed for and specifically reported MRI-detected silent brain infarcts. (biomedcentral.com)
  • Foot reflexology was found to be effective for the relief of symptoms associated with multiple cerebral infarction. (reflexologyresearch.net)
  • Symptoms of cerebral infarction are determined by the parts of the brain affected. (wikipedia.org)
  • Computed tomography (CT) and MRI scanning will show damaged area in the brain, showing that the symptoms were not caused by a tumor, subdural hematoma or other brain disorder. (wikipedia.org)
  • If the brain becomes damaged irreversibly and infarction occurs, the symptoms may be permanent. (wikipedia.org)
  • Symptoms include loss of consciousness, confusion, memory difficulties, and other signs of brain dysfunction. (msdmanuals.com)
  • Gross structural brain lesions and serious neurologic residua are not part of concussion, although temporary disability can result from symptoms (such as nausea, headache, dizziness, memory disturbance, and difficulty concentrating [postconcussion syndrome]), which usually resolve within weeks. (msdmanuals.com)
  • Focal infarction without distal axonal degeneration is demonstrated for the 1st month following onset of clinical symptoms. (nih.gov)
  • Similar symptoms to an infarction may be produced by the presence of a cerebral haemorrhage in either the left or right hemisphere or brain stem. (brainfoundation.org.au)
  • MR imaging has been described as the most relevant tool to monitor the cerebral pathology of CADASIL (9, 10) . (ajnr.org)
  • cerebral abscess Looks at the common causes,bacterial aetiology, pathology, clinical presentation and treatment. (geometry.net)
  • In CDC's national call for cases, a case was defined as the diagnosis of brain abscess, epidural empyema, or subdural empyema in a person aged ≤18 years without a previous neurosurgical procedure or history of head trauma, hospitalized on or after June 1, 2021, irrespective of etiology. (medscape.com)
  • Results In the study groups 22 of 24 rats (92%) revealed cerebral infarctions. (bmj.com)
  • Multiple cerebral ischemic events may lead to subcortical ischemic depression, also known as vascular depression. (wikipedia.org)
  • Lu, C., 'Foot massage Treatment of Multiple Cerebral Infarction: A Case Report. (reflexologyresearch.net)
  • A 46 yr old patient with multiple cerebral infarction (a sudden onset of headache, vertigo, slurred speech and numbness in left extremities) was stabilized after 2 months and discharged with some slurred speech, facial and lingual palsy, limb weakness and numbness. (reflexologyresearch.net)
  • In May 2022, CDC learned of three children in California encounters from patients aged 18 years with a primary or hospitalized concurrently for brain abscess, epidural empyema, secondary discharge diagnosis of International Classification or subdural empyema caused by Streptococcus intermedius . (cdc.gov)
  • Pediatric bacterial brain abscesses, epidural empy- codes U07.1 or B97.29 on the discharge diagnosis list. (cdc.gov)
  • On June 9, CDC asked clini- diagnosis of brain abscess, epidural empyema, or subdural cians and health departments to report possible cases of these empyema in a person aged 18 years without a previous neu- conditions and to submit clinical specimens for laboratory rosurgical procedure or history of head trauma, hospitalized testing. (cdc.gov)
  • A diagnosis that medical coding companies come across quite often, the term encephalopathy broadly refers to brain disease, damage, or malfunction. (outsourcestrategies.com)
  • Magnetic Resonance Imaging of the Brain and Spine is the leading textbook/reference on imaging diagnosis of brain and spine disorders. (chipsbooks.com)
  • Click on Images for Enlarged View Diagnosis cerebral abscess. (geometry.net)
  • Diagnosis: Cerebral abscess Discussion: Between (30% and 60%) of pyogenic abscesses are mixed infections, with aerobic isolates outnumbering anaerobic isolates approximately 2 to 1. (geometry.net)
  • [ 1 ] Pediatric bacterial brain abscesses, epidural empyemas, and subdural empyemas, rare complications of respiratory infections and sinusitis, are often caused by Streptococcus species but might also be polymicrobial or caused by other genera, such as Staphylococcus . (medscape.com)
  • CDC will continue to work with investigation partners to monitor ongoing trends in pediatric brain abscesses and empyemas. (medscape.com)
  • Two data sources were analyzed: 1) pediatric hospitalizations for brain abscesses, epidural empyemas, and subdural empyemas reported to CHA's Pediatric Health Information System (PHIS) and 2) cases reported to CDC in response to a national call for cases. (medscape.com)
  • 6 ). The agar diffusion gradient method (Etest, bioMérieux) brain abscesses and empyemas. (cdc.gov)
  • Brain abscesses commonly occur when bacteria or fungi infect part of the brain. (geometry.net)
  • In neutropenic patients, brain abscesses may be caused by candida or aspergillus. (geometry.net)
  • Serial neurologic exams should be performed to assess progress, and to detect the signs of developing cerebral edema. (cdc.gov)
  • Repeated treatments with Catalpol reduced neurological deficits and significantly improved angiogenesis, while significantly increasing brain levels of EPO and VEGF without worsening BBB edema. (researchgate.net)
  • These results suggested that catalpol might contribute to infarcted-brain angiogenesis and ameliorate the edema of brain capillary endothelial cells (BCECs) by upregulating VEGF and EPO coordinately. (researchgate.net)
  • Relative familial clustering of cerebral versus coronary ischemic events. (ox.ac.uk)
  • Noninvasive imaging of asymptomatic brain aneurysms, arteriovenous malformations, and intracranial arterial stenosis became available. (hindawi.com)
  • See also Aortic Branch Aneurysms and Brain Aneurysms. (merckmanuals.com)
  • Inadequate blood flow in very small blood vessels that supply the nerve or in larger ones in the brain stem is more common. (merckmanuals.com)
  • Available Streptococcus specimens isolated from a brain abscess, epidural empyema, subdural empyema, blood, or cerebrospinal fluid were collected for antimicrobial susceptibility testing and whole-genome sequencing at CDC's Streptococcus reference laboratory to identify microbiological features shared among cases. (medscape.com)
  • The disruption to blood supply can come from many causes, including: Thrombosis (obstruction of a blood vessel by a blood clot forming locally) Embolism (obstruction due to an embolus from elsewhere in the body), Systemic hypoperfusion (general decrease in blood supply, e.g., in shock) Cerebral venous sinus thrombosis. (wikipedia.org)
  • MRCLEAN: mechanical removal of blood clot from brain in cerebral infarction vs thrombolysis alone saves 50 million euro's per year in the Netherlands. (amsterdamumc.org)
  • International experts show how to generate state-of-the-art images and define diagnoses from crucial clinical/pathologic MR imaging correlations for neurologic, neurosurgical, and psychiatric diseases spanning fetal CNS anomalies to disorders of the aging brain. (chipsbooks.com)
  • 1988a) did not find a correlation between admission serum glucose concentration and neurologic outcome in patients with cerebral infarction. (docksci.com)
  • In May 2022, CDC learned of three children in California hospitalized concurrently for brain abscess, epidural empyema, or subdural empyema caused by Streptococcus intermedius . (medscape.com)
  • Available Streptococcus specimens isolated from a brain abscess, pandemic in March 2020, increased during summer 2021 to epidural empyema, subdural empyema, blood, or cerebrospinal a peak in March 2022, and then declined to baseline levels. (cdc.gov)
  • As predicted from classical models of language organization based on lesion data, cortical activation associated with language processing was strongly lateralized to the left cerebral hemisphere and involved a network of regions in the frontal, temporal, and parietal lobes. (jneurosci.org)
  • Findings: CT scan was performed before and after the administration of IV contrast and reveals a left cerebral mass abutting the falx. (geometry.net)
  • Brain computed to- confined to the respiratory tract but can induce neu- mographic scan revealed many recent ischemic in- rologic diseases ( 1 ). (cdc.gov)
  • Cerebral endothelial dysfunction is mentioned in the pathophysiology of several neurological diseases. (hindawi.com)
  • Coagulation disorders that predispose to strokes remain poorly defined but have been implicated in venous strokes (cerebral venous thrombosis) rather than arterial strokes. (medscape.com)
  • In the past few decades the immense development of neuroradiological methods enabled better imaging of cerebral blood vessels. (hindawi.com)
  • Although CADASIL has been considered a systemic disorder (12) , the clinically relevant lesions appear to be located within the brain (6, 13, 14) . (ajnr.org)
  • BACKGROUND: Recent studies suggest that healthy sport divers may develop clinically silent brain damage, based on the association between a finding of multiple brain lesions on MRI and the presence of right-to-left shunt, a pathway for venous gas bubbles to enter the arterial system. (who.int)
  • Hematologic abnormalities lead to thrombosis in the cerebral vasculature, causing ischemic cerebrovascular events. (medscape.com)
  • To test the hypothesis that the occurrence of postdive arterial gas emboli is related to brain lesions on MRI, we measured postdive intravascular bubbles in a subset of 15 divers 30 min after open water scuba dives. (who.int)
  • However, we could not confirm an association between brain lesions and the presence of a right-to-left shunt in sport divers. (who.int)
  • Background Cerebral infarctions resulting from iatrogenic air embolism (AE), mainly caused by small air bubbles, are a well-known and often overlooked event in endovascular interventions. (bmj.com)
  • Cerebral infarctions caused by iatrogenic air embolism during endovascular interventions are a known risk, but the underlying pathophysiology remains largely unclear. (bmj.com)