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Query: UMLS:C0040822 (tremor)
 18,428 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Tick-borne encephalitis is transmitted by the tick ixodes ricinus. After the second world war an increase in the number of cases of encephalitis was observed and the neurotropic virus was isolated for the first time in 1948. Reservoir animals are mouse-like wild animals and also agricultural domestic animals. The infection is transmitted to humans through tick bites. It becomes apparent subjectively in headaches, vomiting, tiredness, giddiness and insomnia, and objectively in meningeal symptoms, extrapyramidal tremor, cerebellar ataxia, vestibular nystagmus and paresis. The treatment consists of strict rest in bed for 10 days at least and symptomatic support of the general health. Good results are obtained with antiedematous therapy with hydrocortisone or pyritinol.
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PMID:[Clinical picture of Central European tick-borne encephalitis (author's transl)]. 82 10

A 10 1/2 years old boy fell brutally ill with a fit followed by confusion, and then by deep coma, with 40 degrees C fever and morbilliform rash. Consciousnesse came back within ten days, with transient Parkinson-like tremor. Myoclonus persisted for about six months. Complete recovery was followed up for six years. A diagnosis of encephalitis was considered on early EEG evidence (stereotyped repetitive sharp wave bursts) and was confirmed by isolation of ECHO 5 virus from brain specimen, and ultrastructural observation of characteristic cytopathic effect (disappearance of organelles, proliferation of smooth membranes) and of probable viral particules in astrocytes, without any inflammatory process.
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PMID:[Curable ECHO 5 virus encephalitis. Clinical, electroencephalographic, virologic and ultrastructural study]. 88 30

A case-control study was performed to investigate the significance of arteriosclerosis, heredity and some infections in the etiology of Parkinson's disease. The study group consisted of all traceable patients with Parkinson's disease living in a defined area, a total of 444 patients, and of control subjects for each patient, matched in sex and age, chosen from among the general population residing in the same area. No significant differences were found between the patients and the controls concerning the occurrence of cardiac insufficiency, coronary heart disease, or stroke. The Parkinsonian patients, however, had a significantly lower incidence of clinical arterial hypertension when compared with the controls. In addition, the patients more often had low systolic blood pressures and more rarely high pressures than the controls. Even the mean systolic blood pressure was significantly lower in the patients than in the controls. The low blood pressure seems to be an effect of Parkinson's disease itself with a minor contribution of levodopa therapy. The observations above are considered to indicate that arteriosclerosis and Parkinson's disease are probably only concurrent disorders and not in etiological relationship with each other. There was no statistically significant difference in the proportion of the patients and the controls with relatives with Parkinson's disease or essential tremor, which suggests that genetic factors do not have a significant role in Parkinson's disease and on the other hand that essential tremor and Parkinson's disease are two separate disease entities. No other encephalitis than a lethargic one was found to precede Parkinson's disease and the occurrence of meningitis was rare both among the patients and the controls. The history of Spanish influenza was found to be as frequent in the patients as in the controls, thus not supporting the idea that influenza has etiological importance in Parkinson's disease.
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PMID:Arteriosclerosis, heredity, and some previous infections in the etiology of Parkinson's disease. A case-control study. 100 13

A patent, who suffered from nonprogressive athetotic-myoclonic hyperkinesia of the left arm and spastic paresis of the underdeveloped left leg since early childhood, experienced a febrile episode at the age of 23, after which a weakness and ataxia of the right limbs with frequent falling persisted; at the age of 28, he developed a right-sided rigidity, tremor at rest and mask-like face as sequelae of encephalitis disseminata exacerbations. The violent intention myoclonus of the left side of the body could be abolished by stereotactic coagulation in the V.o.p and V.o.a and zona incerta until death 11 days later. The athetotic myoclonic hyperkinesia is the consequence of a left-sided severe status marmoratus of the right putamen with extensive loss of nerve cells and shrinkage. The additional nerve cell loss in the right substantia nigra due to demyelinating encephalitic foci did not produce Parkinson symptoms, because these require a normal striatum. This loss did, however, exaggerate the original hyperkinesia to a violent intention myoclonus, which was abolished by interruption of denatatothalamic afferents to the V.o.p nucleus and of pallidothalamic afferents to the V.o.a nucleus. The Parkinson syndrome of the right side is due to demyelinating foci of different ages. The Parkinson symptoms were manifest on the right side, because the left status marmoratus did not severely reduce the striatal nerve cells. In this case, there is no indication that the introduction of the stereotactic electrode has precipitated new demyelinating foci.
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PMID:Stereotactic treatment of action myoclonus in a case of combined status marmoratus and multiple sclerosis. A contribution to the pathophysiology of basal ganglia with multiple lesions in both the striatum and the substantia nigra. 109 75

42 episodes of verified or clinically suspected cytomegalovirus (CMV) infection in 40 bone marrow transplant (BMT) recipients were treated with foscarnet (trisodium phosphonophormate hexahydrate). CMV infection was verified in 31/42 treatment episodes. Symptoms treated were pneumonia (n = 17), pancytopenia with or without fever (n = 12), enteritis (n = 5), fever (n = 4), encephalitis (n = 2), retinitis (n = 1) and hepatitis (n = 1). Foscarnet was given as a continuous intravenous infusion. Side-effects observed were increase in serum creatinine (38%), decrease in serum calcium (19%), increase in serum bilirubin (12%), decrease in hemoglobin concentration (7%), increase in serum calcium (5%), increase in serum transaminase (5%), hypophosphatemia (2%) and tremor (2%). CMV was eradicated from blood and/or urine in 11/25 (44%) of assessable treatment episodes with infection verified by isolation. Overall clinical improvements including eradication of CMV, afebrility and/or improvements in laboratory abnormalities were seen in 14/31 (45%) episodes of verified infection. All 15 patients with CMV interstitial pneumonia (CMV IP) died. We conclude that foscarnet is nephrotoxic but otherwise well tolerated with moderate clinical and virostatic effects on CMV infection. The effect on CMV IP is discouraging.
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PMID:Foscarnet for treatment of cytomegalovirus infections in bone marrow transplant recipients. 132 57

A 24-year-old woman developed occasional attacks of oculogyric crisis at the age of 18. She also suffered from postural tremor, dystonic gait, pyramidal tract signs, and peripheral nerve damages. No history of encephalitis was elicited. Nerve conduction velocity revealed decreased velocity and amplitude. Needle electromyography showed a neurogenic pattern. Sural nerve biopsy showed marked Wallerian degenerations. Muscle biopsy revealed small grouped atrophies. It was unlikely that she suffered from juvenile Parkinsonism, and we failed to obtain an evidence of neuronal intranuclear inclusion disease. Recently, Furumoto et al. reported a similar case who developed oculogyric crisis at the age of 12. So far, some authors have reported about changes of MRI image in the putamen and the substantia nigra in extrapyramidal movement disorders. However, few have paid attention to the changes of the pallidum. The most characteristic finding in the present case was the restoration of signal intensity of the globus pallidus on T2 weighted high-field MRI. It is known that pallidal damages produce dystonic disorders. However, the exact role which the pallidum played in pathogenesis of our patient's signs and symptoms is unknown at now.
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PMID:[MRI pathology of the globus pallidus in a patient with oculogyric crisis and tremor]. 224 30

Two adult patients with opsoclonus and tremor of the whole body associated with viral infections are reported. The first man presented with mumps (parotitis, orchitis and encephalitis). Paired serum mumps titers were both 1:80. The second patient had conjunctivitis and dizziness. Acute and convalescent sera showed significant rise of poliovirus type 3 titer. Clonazepam attenuated the symptoms in both patients.
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PMID:Opsoclonus in mumps and poliovirus type 3 encephalitides: a report of 2 cases. 279 27

We describe a personal series of 60 cases of parkinsonism with onset under the age of 40 years. Known causes for early onset of secondary parkinsonism, such as Wilson's disease or encephalitis, were excluded in every case. Two groups were identified: those with onset after the age of 21 in whom no hereditary factors could be ascertained (56 cases), and those with onset before 21 years all of whom had familial parkinsonism. In neither group have we found any association with prematurely grey hair, hypertension, diabetes, pernicious anaemia, or thyroid disorder. Among their families, we have not found any association with diabetes, pernicious anaemia, or thyroid disorder. We propose that cases of apparent idiopathic Parkinson's disease beginning between age 21-40 years should be called "young onset Parkinson's disease." Twenty percent of such patients in our series had at least one first- or second-degree relative in the same or antecedent generations with parkinsonism, but only 1.5% of their relatives at risk had parkinsonism, which is similar to the prevalence in the general population. Ten percent of these patients had at least one relative with essential tremor, but only 1.6% of their relatives at risk had tremor, which again was similar to the prevalence in the population in general. These patients with young onset Parkinson's disease responded well to levodopa therapy. However, dyskinesias and response fluctuations occurred early and frequently. The prevalence of dyskinesias and response fluctuations was strongly correlated with the duration of levodopa treatment, but not with the duration (or probably the severity) of the disease before levodopa therapy was commenced. The involuntary movements often were severe and frequently were diphasic. Despite long disease duration, the incidence of dementia in young onset patients aged less than 65 years was negligible. We believe that most, if not all, patients in this group have degenerative Lewy body idiopathic Parkinson's disease, representing the lower end of a skewed deviation for age of onset of this disease. We have so far failed to identify any additional environmental factor which may have accelerated disease onset in these patients. In contrast, cases of parkinsonism beginning before age 21 years were invariably familial. We proposed that they should be called "juvenile parkinsonism." All affected relatives with parkinsonism also had young disease onset, and all but one were siblings. None of four such patients seen by us has demented, and computed tomography (CT) scan has been normal in all four. We believe that most such patients have some form of genetically determined secondary parkinsonism.
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PMID:Young onset Parkinson's disease. 350 66

An encephalitic disease in pigeons, characterized by paralysis of extremities, torticollis, head tremor, and diarrhea, is described. The negative titers in the hemagglutination tests, the presence of Feulgen-positive intranuclear inclusions in the cells of the granular layer of the cerebellum and the fibroblast culture, and the presence of viral particles with an icosahedral-herpetic morphology and a diameter of 100-170 nm all indicate that the etiology of this outbreak may be related to the encephalitis caused by herpesvirus, at present diagnosed only in Iraq and some African countries.
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PMID:An outbreak of encephalitis in pigeons (Columba livia) in the Canary Islands (Spain). 372 88

We studied seven patients with AIDS or AIDS-related complex (ARC) and movement disorders. Three had hemichorea-ballismus, two had segmental myoclonus, one had postural tremor with dystonia, and one had paroxysmal dystonia. Besides the hyperkinesias, two patients had parkinsonism, and one had cerebral Whipple's disease. In two, the movement disorder preceded other evidence of AIDS; in three others, the diagnosis of AIDS was not considered until there was a movement disorder. The movement disorders were attributed to toxoplasmosis in four patients (one confirmed at autopsy), viral encephalitis, vacuolar myelopathy, and CNS Whipple's disease.
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PMID:Movement disorders and AIDS. 379 36


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