Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0040822 (tremor)
 18,428 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A form of adult onset 'bulbospinal muscular atrophy' of X-linked recessive inheritance is described in 10 patients from eight families. Muscle weakness in the limbs was mainly proximal and developed in the third to fifth decades of life, often preceded by muscle cramps on exertion and tremor of the hands. Weakness and fasciculation of the facial muscles and tongue were prominent. All the patients had gynaecomastia and some were infertile. Two had diabetes mellitus. Motor nerve conduction studies were normal but most patients had small or unrecordable sensory action potentials in the absence of clinical sensory loss. Plasma creatine kinase levels were considerably elevated and muscle biopsies showed neurogenic atrophy together with secondary myopathic changes. The importance of recognising this distinctive disorder in single cases (six of the present series) is emphasised.
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PMID:X-linked recessive bulbospinal neuronopathy: a report of ten cases. 689 Sep 89

The clinical signs of thyroid disease in older people may differ considerably from those in younger patients. The symptoms are often incorrectly interpreted and attributed to old age. The age is also important to the kind of therapy. The normal clinical hyperthyroidism-indices are not relevant in the diagnosis of hyperthyroidism in older patients. Organic symptoms predominate in old age (loss of weight, muscular asthenia, tremor, cardiac arrhythmia, stenocardia, congestive cardiomyopathy). Most of the time they are wrongly interpreted as additional symptoms of old age. Probably it is not the age that causes the difficulties in hyperthyroidism-diagnostics in old age, but the atypical symptoms of solitary or multilocular adenomas, which increase with advancing age. A special symptom of hyperthyroidism in old age, often misinterpreted, is "apathetic" hyperthyroidism. Radioiodotherapy is indicated in older patients with hyperthyroidism.
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PMID:[Thyroid diseases in old age. Clinical aspects and therapy. Part 1: Hyperthyroidism]. 727 38

Tetrabamate (Atrium), a composite preparation of phenobarbital, difebarbamate and febarbamate, is widely used to reduce ethanol withdrawal symptoms such as tremor, agitation and anxiety. Generally this drug is well tolerated and a few cases of reversible hepatitis as well as clinically mild symptoms of asthenia have been described. We report on a 28-year-old female patient admitted to hospital with acute liver failure after treatment with tetrabamate because of alcohol withdrawal symptoms. Liver biopsy revealed a drug-induced toxic alteration with extensive panlobular necrosis without signs of alcoholic hepatitis. Under supportive therapy liver parameters normalized in 3 months. In view of this potentially lethal adverse effect of tetrabamate, it should not be used for ethanol withdrawal symptoms.
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PMID:[Acute liver failure following tetrabamate]. 776 7

We studied 31 patients with cervical spondylotic amyotrophy. Weakness and atrophy without prominent sensory changes were started from the proximal muscles in 16 patients (proximal type), and from the distal muscles in 15 patients (distal type). In both types, the age at onset of neurological symptom ranged from thirties to sixties, and men were more frequently affected than women. Distal type patients often presented cold paresis and/or postural finger tremor, which occasionally was the initial symptom. Two patients of proximal type had muscular atrophy extended to the distal end. None of distal type patients had extension of atrophy to the proximal muscles during a long course of their illness. Most patients of proximal type had neurogenic changes on electromyography extended to the distal muscles. Neuroradiologically, proximal type patients had a cord atrophy at C4/5 intervertebral level, and distal type had cord atrophy at C5/6,6/7. We assume that the responsible lesion for the cervical spondylotic amyotrophy is in anterior horn at C5-T1 cord level for the proximal type, and at C7-T1 for the distal type. Abnormal venous circulation within the cord may cause the selective involvement of the gray matter.
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PMID:[Clinical difference between "proximal" and "distal" type of cervical spondylotic amyotrophy]. 778 Dec 30

Long-term experience with clozapine has shown that the agent has a motor and mental side effect profile that is distinct in many ways from classical neuroleptics. It can produce a parkinsonian-like bradykinesia and mild akathisia, but no rigidity and rarely tremor. In patients with tardive dyskinesia induced by other neuroleptics, clozapine permits the dyskinesia to disappear in about half the cases. That clozapine may induce tardive dyskinesia in extremely rare cases cannot be excluded, but it seems more likely that this tardive dyskinesia in clozapine-treated patients is due to previous treatment with classical neuroleptics. The earlier clozapine is started, the less chance for development of tardive dyskinesia. As do other neuroleptics, clozapine can elicit sedation and asthenia, but corresponding to the motoric extrapyramidal syndrome, clozapine causes emotional indifference ("mental parkinsonism"), depression, and restlessness to a significantly lesser degree, which may be of importance in the higher compliance seen with this drug.
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PMID:Motor and mental side effects of clozapine. 796 51

Tiagabine (TGB) hydrochloride is a potential new antiepileptic drug (AED) undergoing clinical development. Experience in humans amounts to 1,810 patient-years of exposure. TGB was found to be tolerated in an integrated safety analysis of five double-blind, add-on therapy trials involving approximately 1,000 patients with epilepsy with difficult-to-control seizures with existing AEDs. Discontinuation resulting from adverse events were infrequent, occurring in 15% of patients receiving TGB compared to 5% receiving placebo. The most frequently reported adverse event was dizziness, which was usually transient and did not require medical intervention. Adverse events that were statistically significantly more common with TGB than placebo were dizziness, asthenia, nervousness, tremor, diarrhea, and depression (not major depression). Adverse events were usually mild to moderate in severity and transient, and most were associated with dose titration. The incidence, type, and severity of adverse events in long-term studies were comparable with those in short-term studies. Serious adverse events were uncommon and no idiosyncratic events were reported.
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PMID:Tiagabine: the safety landscape. 859 87

Botulinum toxin (BTX) injection is considered the treatment of choice for patients with cervical dystonia (torticollis). We conducted a pilot, open-label, dose-escalation study with BTX type B in 12 patients who no longer responded clinically to injections with BTX type A. At the doses tested, BTX type B was safe and well tolerated without evidence of dose-limiting toxicity in this patient population. Mild-to-moderate adverse events generally resolved quickly and included asthenia, pain, nausea, dysphagia, hypertonia, and tremor. No serious adverse events or antibodies to type-B treatment were reported. Low-dosing-session (100-899 units) and high-dosing-session (900-1,500 units) groups were defined based on units administered per dosing session. Toronto Western Spasmodic Torticollis Rating Scale-Severity Scale (TWSTRS-Severity), Patient Analogue Pain Scale, and Physician and Patient Global Assessment Scales were measured during this study. The TWSTRS-Severity mean maximum percent improvement from baseline demonstrated a 9.9% versus 28.8% difference between the low-dose and high-dose groups, respectively. EFfectiveness was noted for the high-dose group on the Patient Analogue Pain Scale but not on the Global Assessment Scales.
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PMID:BotB (botulinum toxin type B): evaluation of safety and tolerability in botulinum toxin type A-resistant cervical dystonia patients (preliminary study). 938 65

Tiagabine is a gamma-aminobutyric acid (GABA) uptake inhibitor which is structurally related to nipecotic acid but has an improved ability to cross the blood-brain barrier. Clinical trials have shown that tiagabine is effective as add-on therapy in the management of patients with refractory partial epilepsy. In short term studies of this indication, tiagabine < or = 64 mg/day for 7 to 12 weeks reduced the complex partial and simple partial seizure frequency by > or = 50% in 8 to 31 and 28.2 to 37% of patients, respectively. Tiagabine appeared to produce a sustained reduction in seizure frequency in studies of up to 12 months' duration. Data from preliminary studies are currently insufficient to confirm the usefulness of tiagabine when used as monotherapy or in the treatment of children with epilepsy. Further studies are, therefore, necessary to more fully elucidate the efficacy of the drug in these settings. Adverse events associated with tiagabine are primarily CNS-related and include dizziness, asthenia, nonspecific nervousness and tremor. Skin rash or psychosis occurred with similar frequencies among tiagabine- and placebo-treated patients. With long term administration (> or = 1 year for many patients), the profile and incidence of adverse events was similar to that for short term therapy. Tiagabine does not appear to affect the hepatic metabolism of other drugs such as carbamazepine and phenytoin. Possible disadvantages of tiagabine include its short plasma elimination half-life, necessitating 2 to 4 times daily administration, and its inducible hepatic metabolism. Thus, tiagabine is a new antiepileptic agent with a novel mechanism of action, which has demonstrated efficacy in the adjunctive treatment of patients with refractory partial epilepsy. Further investigation of the efficacy of tiagabine is expected to provide a clearer definition of its place in the treatment of epilepsy and its relative merits in relation to other antiepileptic drugs.
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PMID:Tiagabine. A review of its pharmacodynamic and pharmacokinetic properties and therapeutic potential in the management of epilepsy. 953 May 48

During the summer of 1996 an unusual clustering of meningoencephalitis cases was recorded in the Capital City, Bucharest, and in some areas from South-East Romania. After an initial suspicion of an enteroviral etiology was discarded, the West Nile etiology was confirmed by specific antibodies demonstration through hemagglutination-inhibition and ELISA tests. This study included 251 patients with the diagnoses of West Nile acute encephalitis (166 cases), acute meningitis (57 cases) and acute febrile disease (33 cases). The patients' age ranged from 1 to 89 years (mean 51.1 years). The most frequent clinical manifestations were: fever (95.7% of cases), cephalalgia (92.6%), stiffness of the neck (89.1%), vomiting (62.5%), marked asthenia (46.5%), myalgia (28.9%). In addition, patients with encephalitis exhibited: alteration of consciousness (89.2% of cases), tremor of extremities (40.4%), ataxia (44%), paralysis (15.1%). The fatality rate was 15.1% in acute encephalitis, 1.8% in acute meningitis and 0% in the acute febrile disease.
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PMID:Clinical manifestations in the West Nile virus outbreak. 983 23

Symptoms can markedly influence the hemodialysis patients well-being and quality of life. The aim of this paper is to study the frequency of symptoms at home and how these relate to biochemical and treatment variables. Seventy-three hemodialysis patients were questioned on the absence, occasional presence or daily recurrence (score = 0, 1, 2) of 14 symptoms and a record was made of their biochemical parameters, age, time on treatment and KtIV as a function of each symptom. The following relationships were detected: thirst with high Osm and BUN; asthenia with old age and hypoalbuminemia; insomnia with hypercalcemia; hypersomnia with hypoxemia and hypernatremia; anorexia with hypokalemia; dyspnea with old age, hypernatremia and hypokalemia; dysgeusia with hypoxemia; nausea with alkalemia, hypoxemia and low BUN; vomiting with alkalemia. Pruritus, arthralgia, restless legs syndrome, cramp and tremor showed no relationships. Monitoring acid-base balance and plasma electrolytes could help to alleviate symptoms and ameliorate quality of life of hemodialysis patients.
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PMID:Symptoms in hemodialysis patients and their relationship with biochemical and demographic parameters. 998 55


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