Diaschisis

01/01/2004 - "After zolpidem, cerebral perfusion through brain injury areas improved substantially in three patients and the cerebellar diaschisis was reversed. "
01/01/2004 - "The study investigates the effect of zolpidem (CAS 82626-48-0) on brain injuries and cerebellar diaschisis. "
01/01/2004 - "The baseline SPECT before zolpidem showed poor tracer uptake in brain injury areas and cerebellar diaschisis. "
01/01/2004 - "Four patients with varied brain injuries, three of them with cerebellar diaschisis, were imaged by 99mTc HMPAO Brain SPECT before and after application of zolpidem. "
01/01/2004 - "Effect of zolpidem on brain injury and diaschisis as detected by 99mTc HMPAO brain SPECT in humans."

01/01/2004 - "Relative to controls, melatonin-treated animals not only had significantly improved amplitudes of the SSEPs recorded from both ischemic fore- and hindpaw cortical fields, by 33 and 37% of baselines, respectively (P < 0.001), but also exhibited diminished transcallosal electrophysiological diaschisis following ischemia-reperfusion. "

07/01/2018 - "In conclusion, these findings suggest that heme oxygenase-2 is involved in mechanisms by which not only protects against compromised energy metabolism of the ipsilateral hemisphere but also ameliorates transhemispheric diaschisis of the contralateral hemisphere in ischemic brain."
07/01/2018 - "Quantitative imaging mass spectroscopy reveals roles of heme oxygenase-2 for protecting against transhemispheric diaschisis in the brain ischemia."

05/01/2011 - "Furthermore, cinnamophilin not only improved the ipsilateral field potentials (p < .05, respectively), but also reduced the severity of contralateral electrophysiological diaschisis (p < .05). "

10/15/2022 - "This study aimed to explore the glucose metabolic profile of extrapyramidal system in patients with crossed cerebellar diaschisis (CCD). "
01/01/2020 - "To verify the occurrence of diaschisis and monitor time-dependent changes in diaschisis, we performed longitudinal 2-deoxy-2-[18F]-fluoro-d-glucose microPET (FDG-microPET) study. "
11/01/1997 - "Although high-resolution PET appears to be very sensitive in localizing frontal lobe glucose metabolic abnormalities in children with intractable FLE and normal CT/MRI scans, the significance of extrafrontal metabolic disturbances requires further study; these may represent additional epileptogenic areas, effects of diaschisis, seizure propagation sites, or secondary epileptogenic foci."
09/01/2022 - "The occurrence of crossed cerebellar diaschisis (CCD) is influenced by the degree of supra-tentorial perfusion and glucose metabolism reduction. "
05/01/2019 - "Patients with AD or MCI had more pronounced diaschisis, lateralized hemispheric glucose metabolism and lower THGr compared to healthy controls. "

01/01/2021 - "Analysis of 18F-FDG-SUVR values suggested that CCD might also occur in the absence of frank cerebellar 18F-FDG asymmetry due to symmetrical supratentorial degeneration resulting in a bilateral diaschisis process."
09/01/2015 - "Dyke-Davidoff-Masson Syndrome With Cerebral Hypometabolism and Unique Crossed Cerebellar Diaschisis in 18F-FDG PET/CT."
01/01/2021 - "The purpose of this study was to evaluate the prevalence of crossed cerebellar diaschisis (CCD) in patients undergoing 18F-FDG PET/MRI for suspected neurodegenerative disease. "
06/01/2003 - "Cortical hypometabolism and crossed cerebellar diaschisis suggest subcortically induced disconnection in CADASIL: an 18F-FDG PET study."
04/01/1990 - "A positron emission tomography study using [18F]-fluorodeoxyglucose was undertaken to identify and quantitate whether diaschisis occurred in cerebral cortex, basal ganglia, or thalamus, as well as in cerebellar cortex and dentate nuclei in patients with malignant glioma. "

01/01/2004 - "The purpose of this study was to investigate the relationship between CBF response to acetazolamide and CBV or CMRO(2) in a pure form of deafferentation, crossed cerebellar diaschisis (CCD). "
03/01/2000 - "We therefore assessed the vasoreactivity in the cerebellar hemisphere in which diaschisis is manifested using acetazolamide (ACZ) and SPECT. "
02/01/2000 - "The hypoperfusion with normal acetazolamide reactivity was considered to be due to diaschisis. "
07/01/1992 - "Diamox may produce relative luxury perfusion in areas with diaschisis."
07/01/1992 - "These results suggest more dilatation of the arterioles in areas with diaschisis after Diamox administration than in areas without diaschisis. "

01/01/2009 - "Within the confines of this study, the mechanism underlying the BOLD signal, which includes a mismatch between neuronally driven increases in blood flow and a corresponding increase in oxygen use, appears to be intact in areas of chronic diaschisis."
12/01/2012 - "Crossed cerebellar diaschisis: insights into oxygen challenge MRI."
01/01/2001 - "This phenomenon is defined as crossed cerebellar diaschisis and can be diagnosed clinically by positron emission tomography, single-photon emission computed tomography, brain magnetic resonance imaging and electroencephalography in terms of regional cerebral blood flow or metabolic rate of oxygen measurements. "
04/01/1994 - "The crossed cerebellar diaschisis was defined as significant when the laterality ratio of cerebral oxygen metabolism between the left and right cerebellar hemispheres exceeded the control range (mean +/- 2 standard deviations) as derived from 27 age-matched normal volunteers. "
02/01/1992 - "To study crossed cerebellar diaschisis (CCD), cerebellar blood flow and oxygen metabolism were measured with positron emission tomography (PET) in 12 patients who showed a minimal degree of hemiparesis due to single unilateral supratentorial lesion. "

11/01/2000 - "99mTc-HMPAO single photon emission computed tomography(SPECT) showed hypoperfusion in the left temporal lobe, considered as a diaschisis resulting from the isolation of left temporal lobe from auditory input via bilateral medial geniculate bodies."
05/01/1999 - "99mTc-HMPAO single-photon emission computed tomography showed a marked hypoperfusion in the right cerebellar hemisphere, but did not show crossed cerebellar- cerebral diaschisis. "
03/01/1995 - "Crossed cerebellar diaschisis (CCD) was evaluated semiquantitatively by the count ratio of the cerebellar cortex using 99mTc-HMPAO SPECT. "
01/01/2009 - "99mTc-HMPAO SPECT was also consistent with right parieto-temporal and frontoparietal ischemia with crossed cerebellar diaschisis on the right cerebellum. "
01/01/1997 - "We studied 26 patients with a single supratentorial infarction using 99mTc-HMPAO SPECT and MRI to investigate the phenomenon of crossed-cerebellar diaschisis (CCD). "

01/01/2006 - "[99mTc]hexamethylpropylenamine oxime single-photon emission computed tomography (SPECT) scans in all 3 patients showed decreased metabolism in the contralateral cerebellar hemisphere, indicative of crossed cerebellar diaschisis (CCD). "
05/01/1993 - "On single photon emission computed tomography (SPECT) using 99mTc-hexamethylpropyleneamine oxime, bilateral frontal perfusion was reduced, which was attributed to thalamo-cortical diaschisis due to injury to the dorsomedial nuclei of the thalamus. "
03/01/1996 - "The usefulness of crossed cerebellar diaschisis (CCD) as a complementary feature in the diagnosis of cerebral infarction was also evaluated using 99Tcm-hexamethylpropyleneamine oxime (99TcmHMPAO) brain single photon emission tomography (SPET). "
10/01/2001 - "99mTc-hexamethylpropyleneamine oxime (HMPAO) single photon emission computed tomography (SPECT) images obtained 4 days after onset showed hypoperfusion in the left thalamus containing a hematoma as well as contralateral cerebellar hypoperfusion to the supratentorial lesion, which is well recognized as crossed cerebellar diaschisis (CCD) after stroke. "
01/01/1995 - "We studied crossed cerebellar diaschisis and cerebral hypoperfusion in 47 patients with acute middle cerebral cortical infarction using 99mTc-hexamethylpropyleneamine oxime and single-photon emission computed tomography within 72 hours of stroke onset. "

01/01/1988 - "Hemispherectomy and diaschisis: rapid improvement in cerebral functions after right hemispherectomy in a six year old child."

01/01/2015 - "In the present study, transhemispheric diaschisis was investigated with an in vivo-ex vivo model of unilateral lesions, induced by an infrared laser in rat visual cortex. "
11/06/2013 - "Hemodynamic changes during neural deactivation in awake mice: a measurement by laser-Doppler flowmetry in crossed cerebellar diaschisis."
01/01/2017 - "Case report: Rapid improvement of crossed cerebellar diaschisis after intravascular laser irradiation of blood in a case of stroke."

02/01/1997 - "To examine the diaschisis of faultless conventional neuropsychological tests of unilateral spatial neglect (USN) and defects of activities of daily living (ADL) functions. "
02/01/2018 - "The purpose of this study is to investigate predictors of crossed cerebellar diaschisis (CCD), and the effects of CCD on functional outcomes including motor function, activities of daily living, cognitive function, and ambulation 6 months after onset in patients with intracerebral hemorrhage (ICH). "

01/01/2020 - "The simple and intuitive mechanism of rehabilitation, including through the use of sensory and semantic components, allows the therapy of a patient with diaschisis and afferent and motor aphasia. "
06/01/2014 - "Cerebellar stroke caused by nonatherosclerotic diseases or diaschisis may lead to cognitive deficits but these symptoms can be reversed by appropriate therapy. "
09/01/1995 - "3. After therapy, in three patients with focal epilepsy, both a crossed cerebral and cerebellar diaschisis were observed, with respect to the side of the epileptic focus in the opposite hemisphere. "
01/01/1995 - "Although acute-stage crossed cerebellar diaschisis has no prognostic value independent of acute-stage hypoperfusion volume, it might indicate the proportion of nutritional to nonnutritional perfusion at the infarct site and hence be useful in the evaluation of reperfusion therapies in the acute stage."
09/01/1995 - "Cerebral and cerebellar diaschisis following carbamazepine therapy."

06/01/2000 - "Contralateral cortical diaschisis in a patient with cerebellar astrocytoma after radiation therapy."
10/01/1995 - "The authors conclude that there is a generalized reduction in CMRglu in brain tumor patients taking dexamethasone compared to other brain tumor patients and normal volunteers, and that this effect is independent of radiotherapy, concurrent anticonvulsant medication, and transhemispheric functional disconnection (transhemispheric diaschisis)."