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Query: UMLS:C0027497 (nausea)
 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

OBJECTIVEChronic ventriculomegaly in the absence of raised intracranial pressure (ICP) is a known entity in adult hydrocephalus practice. The natural history and indication for treatment is, however, poorly defined. A highly heterogeneous group, some adults with ventriculomegaly are asymptomatic, while others have life-threatening deteriorations. The authors hypothesized that the various presentations can be subtyped and represent different stages of decompensation. A cluster analysis was performed on a cohort of patients with chronic ventriculomegaly with the aim of elucidating typical clinical characteristics and outcomes in chronic ventriculomegaly in adults.METHODSData were collected from 79 patients with chronic ventriculomegaly referred to a single center, including demographics, presenting symptoms, and 24-hour ICP monitoring (ICPM). A statistical cluster analysis was performed to determine the presence of subgroups.RESULTSFour main subgroups and one highly dissimilar group were identified. Patients with ventriculomegaly commonly have a perinatal event followed by one of four main presentations: 1) incidental ventriculomegaly with or without headache; 2) highly symptomatic presentation (including reduced consciousness) and raised ICP; 3) early presenting with symptoms of headache and nausea (with abnormal pulsatility); and 4) late presenting with features common to normal pressure hydrocephalus. Each symptomatic group has characteristic radiological features, ICPM, and responses to treatment.CONCLUSIONSCluster analysis has identified subgroups of adult patients with ventriculomegaly. Such groups may represent various degrees of decompensation. Surgical interventions may not be equally effective across the subgroups, presenting an avenue for further research. The identified subtypes provide further insight into the natural history of this lesser studied form of hydrocephalus.
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PMID:Natural history of ventriculomegaly in adults: a cluster analysis. 3077 87

An adolescent presented with headache and projectile vomiting and showed ataxia, dysarthia and nystagmus with normal cognition. A diagnosis of acute cerebellitis was made on the basis of computed tomography and magnetic resonance imaging findings. He developed seizures and had a rapid downhill course with death at 48 hours after admission. Clinically, patients of acute cerebellitis present with fever, nausea, headache and altered sensorium with cerebellar symptoms. Inflammation of the cerebellum compresses the brain stem and induces mental alterations. It is a rare pathology developing due to an infectitious cause, post-infectitious or post vaccination etiology. Many times it is not possible to identify the causative agent. Cerebellitis can be mild where recovery occurs in few weeks and no abnormalities are seen on diagnostic imaging studies. On the other end, severe cases have focal neurological deficits, altered consciousness, raised intracranial pressure and abnormal neuroimaging. Treatment should be tailored to individual needs according to presentation, severity, and etiology. We discuss clinical features, diagnosis and management of acute cerebellitis which is an important cause of acute cerebellar functional disorder in childhood.
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PMID:Catastrophic Cerebellitis in an adolescent: A Case Report. 3099 18


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