Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
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Letter Case Reports
Theta burst stimulation improves visuo-spatial attention in a patient with traumatic brain injury.
Recent studies showed that non-invasive brain stimulation methods, such as repetitive transcranial magnetic stimulation (rTMS) can improve the symptoms of neglect in stroke patients. Here, we adopted this approach to improve visuo-spatial deficit in a patient with traumatic brain injury (TBI) that showed important symptoms of visuo-spatial neglect. We found that continuous theta burst stimulation (cTBS) applied over the left posterior parietal cortex (PPC) induced a clinical improvement of cognitive disorder associated to a functional changes of fronto-parietal network as assessed by means of TMS and resting state fMRI.
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Serum glial fibrillary acidic protein (GFAP) has been reported to have high diagnosis accuracy for differentiating intracerebral hemorrhage (ICH) from ischemic stroke (IS) in patients within acute phase of stroke symptom onset. Our purpose was to perform a systematic review and diagnostic meta-analysis to evaluate the valuation of serum GFAP in the early identification of ICH and IS. We searched MEDLINE, EMBASE and other electronic databases for diagnostic accuracy studies that compared serum GFAP with standard clinical diagnosis of ICH and IS in patients with symptoms of acute stroke. ⋯ The summarized estimates of serum GFAP for the differentiation of ICH and IS within 24 h of symptom onset were as follows: SEN, 81.1% (95% CI, 72.6-87.5%); SPE, 95.2% (95% CI 82.1-98.9%); PLR, 16.945 (95% CI 4.173-68.803); NLR, 0.198 (95% CI 0.133-0.296), significant heterogeneity was present. The four summary estimates of serum GFAP for patients within 1-6 h of symptom onset were 81.1% (95% CI 72.5-88.0%), 97.0% (95% CI 94.3-98.4%), 26.786 (95% CI 13.979-51.324), 0.191 (95% CI 0.126-0.291), respectively, with no obvious heterogeneity. Serum GFAP is a sensitive and specific test for differentiating ICH and IS in patients within 1-6 h of acute stroke symptom onset.
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Acute basilar artery occlusion has a poor prognosis and best treatment has not been assessed yet; as for intra-arterial treatment, no "gold standard" exists. We evaluated a series of ten patients treated with intra-arterial combination of recombinant tissue plasminogen activator (rtPA) and abciximab. Partial/complete recanalisation was achieved in all patients and good outcome (1 month Modified Rankin Scale 0-2) in eight cases, while one patient had symptomatic intracranial haemorrhage and died. Such outcome appears significantly better if compared with the results of Basilar Artery International Cooperation Study, suggesting that intra-arterial administration of rtPA and abciximab may be a promising option in patients with acute basilar artery occlusion undergoing endovascular treatment.
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In the last few years several cases of headache as sole manifestation of an epileptic seizure have been reported and the term "ictal epileptic headache" has been recently proposed to identify an EEG-recorded epileptic seizure with migraine/headache-like features. Among the potential practical implications arising from these clinical observations, there is the urgent need for a revision of both International Classifications of Epilepsy and Headache disorders. We discuss these topics and provide additional comments about the physiopathological links between epilepsy and migraine.