Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0015672 (fatigue)
 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 49-year-old woman who had noted increasing fatigue and found it difficult to concentrate became confused and uncoordinated with rapid speech. Anxious and suffering from insomnia she had for 6 weeks taken a prescription-free bromide-containing drug mixture (daily 0.09 g potassium bromide and 1.8 g sodium bromide), to a total bromide intake of 60 g. The admission diagnosis of chronic bromism was confirmed by a markedly increased serum bromide concentration (325 mg/l). Once she had stopped taking the drug and had increased her salt intake she became symptom-free within 8 days. The case demonstrates that, while chronic bromism has become rare, it should still be included in the differential diagnosis, even after intake of supposedly harmless medication.
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PMID:[Chronic bromide intoxication caused by bromide-containing combination drugs]. 161 20

Symptoms as an important sign of the effects of methyl bromide were studied in 56 male workers (37 currently exposed and 19 previously exposed) in a methyl bromide factory. The workers were 18 to 62 yr of age (mean age: 41) and were exposed from 1 to 25 yr (mean: 7 yr). They were compared to 56 age-matched referents with a standardized questionnaire. The results of pairwise comparison of the symptoms of the age-matched pairs of exposed and referent subjects showed that the occurrence of dizziness, numbness, paresthesia and weakness of extremities, nightmares, fatigue and dry and scaly skin was statistically significantly higher among the workers than among the referents. When the symptoms during the work shift (acute symptoms) were compared, irritation symptoms such as itching, bullae or reddish swollen hands and runny noses with nasal irritation were reported significantly more often in the exposed groups. The correlation of the symptoms among the exposed workers suggested that chronic symptoms are closely related to acute irritation symptoms and exposure duration. The results suggest that symptom inquiry is useful for detecting the possible effects of exposure to methyl bromide.
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PMID:Symptoms among workers with long-term exposure to methyl bromide. An epidemiological study. 165 69

Status asthmaticus is a medical emergency that requires careful evaluation and aggressive therapy. The mainstay of medical therapy is frequent administration of beta-agonist inhalations, combined with early corticosteroid use. Intravenous magnesium can be used as an adjunctive measure. If available, nebulized ipratropium bromide can be added to the regimen if side effects or poor response occurs to maximal dosages of beta-agonists. Nonconventional therapies should be considered only if conventional treatment fails. Signs and symptoms of deteriorating airflow and respiratory muscle fatigue should determine the need for mechanical ventilation. If mechanical ventilation is required, controlled hypoventilation may be best.
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PMID:Management of status asthmaticus. 195 99

The role of impairment of neuromuscular transmission in fatigued canine diaphragm was investigated by comparing the function of fatigued diaphragm with that of neuromuscular junction (NMJ)-blocked diaphragm. Diaphragmatic fatigue was produced by intermittent supramaximal stimulation of bilateral phrenic nerves. Partial NMJ blockade was obtained by vecuronium bromide administered intravenously. During control study, no fade was observed either in integrated diaphragmatic electric activity (Edi) or transdiaphragmatic pressure (Pdi). In fatigued diaphragm, Edi generated by 100 Hz showed a remarkable fade. The fade was prominent in high frequency fatigue. In NMJ-blocked diaphragm, fade was observed in Pdi as well as in Edi produced by 100 Hz. The fade of Edi by 100 Hz was prominent. In low frequency fatigue, both Pdi and Edi produced by 20 Hz test stimulation were significantly lower than control values. These results show that in addition to impairment of excitation-contraction coupling, neuromuscular blockade is involved, at least in part, in low frequency diaphragmatic fatigue.
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PMID:[Impairment of neuromuscular transmission in fatigued canine diaphragm]. 217 85

Methyl bromide is a highly toxic and penetrating compound used extensively as an insecticide for dry foodstuffs and as a soil fumigant (in greenhouses and fields) for the control of nematodes, fungi, and weeds. More than 300 cases of systemic poisoning and 60 fatalities attributable to methyl bromide have been reported [Alexeeff and Kilgore, 1983], resulting in substantial regulations concerning its handling, storage, application, and disposal. A recent exposure incident at a Connecticut nursery represents to our knowledge the first report of toxicity stemming from exposures in the field during removal of plastic sheets days after injection of methyl bromide into soil. Following removal of polyethylene sheets covering soil fumigated with methyl bromide, four field-workers developed fatigue and light-headedness and 3 workers noted progressive respiratory, gastrointestinal (GI), and neurologic symptoms. The acute systemic symptoms improved over several days, but later-onset neuropsychiatric symptoms persisted for several weeks. This incident stresses the need for improved worker education and strict adherence to safety precautions during all stages of methyl bromide fumigation and raises the possibility of an increased risk of toxicity associated with methyl bromide fumigation during a cool season.
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PMID:Methyl bromide intoxication in four field-workers during removal of soil fumigation sheets. 230 12

Thirty-six children with epilepsy resistant to conventional treatment were treated with bromides in addition to the current therapy. Six out of 19 cases with prevailingly or exclusively generalized tonic-clonic seizures became seizure-free and in 9 cases a reduction in seizure frequency of more than 50% was achieved. Freedom from seizures could not be obtained in 13 cases, who had frequent minor seizures in addition to generalized tonic-clonic seizures. In some, minor seizures were even activated. Tonic and focal seizures showed no response. Side effects were observed in one-third of the cases (acne, loss of appetite, loss of weight, fatigue) but in no case they did become intolerable. Fifty to 80 mg potassium bromide per kg body weight seems to be an effective daily dose range. There is a preferential indication of bromides for patients suffering from early onset epilepsy with generalized tonic-clonic seizures and/or alternating hemi-grand mal, for whom other treatment is ineffective. This disorder is characterized by a high familial incidence of epileptic seizures, onset between 6 months and 3 years of age, normal development until the onset of seizures, generalized tonic-clonic seizures and often alternating hemi-grand mal, seizure precipitation by fever, and occasional combination with or transition to myoclonic-astatic and/or myoclonic seizures. EEG is often normal or shows slight slowing in the initial phase; later it shows theta rhythms and generalized spikes and waves. Especially, if the onset is during the first year of life, the course of the epilepsy is often unfavourable.
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PMID:Bromides were effective in intractable epilepsy with generalized tonic-clonic seizures and onset in early childhood. 321 12

The serologic responses and the side effects resulting from the administration of a new subunit vaccine against influenza were compared with those of a currently available whole-virus vaccine in an elderly population. The subunit vaccine is prepared by cleavage of the hemagglutinin and neuraminidase surface antigens from the virus with a cationic detergent, cetyltrimethylammonium bromide. The resulting vaccine is more selectively reduced to these primary antigens than are the available subunit vaccines produced by the use of lipid solvents that disrupt the viral membrane [1]. Previous studies in younger individuals with new subunit preparations of earlier H3N2-subtype viruses as well as influenza A/New Jersey/76 (HswN1) and B/Hong Kong/73 viruses indicated that antibody responses in primed, although not in unprimed, populations wee comparable to those induced by whole-virus vaccines and that side effects were few [2,3]. There were not statistically significant differences in the serologic responses of the vaccine recipients except that the percentage of recipients who achieved titers of HAI antibodies of 1:10 or 1:20 to influenza B/Singapore/222/70 virus after vaccination was greater in the subjects who received the subunit vaccine. There were no statistically significant differences in the percentage of recipients with an antibody response (fourfold or greater in titer) or in the geometric mean titers of HAI antibodies after vaccination between those who had received the trivalent influenza virus vaccine in 1979 and those who had no history of vaccination in 1979. Mild redness and/or tenderness were noticed at the injection site between 6 and 48 hr after vaccination in 16 subjects who received the subunit vaccine and in four subjects who received the subunit vaccine and two who received the whole-virus vaccine (P less than 0.01 by chi 2 test). One patient in each group complained of headache; four subjects who received the subunit vaccine and two who received the whole-virus vaccine complained of fatigue.
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PMID:Responses of elderly subjects to a new subunit influenza virus vaccine. 705 32

Myasthenia gravis should be entertained as a possible diagnosis in any patient who presents with muscle weakness or visual disturbance. The most common symptom is exacerbation of muscle fatigue with repeated use of the muscle and improvement with rest. Several inexpensive diagnostic tests for myasthenia gravis that can be performed by primary care physicians are available. Standard therapy in most cases is early thymectomy, followed by a highly individualized medication program that usually includes the anticholinesterase drug pyridostigmine bromide (Mestinon, Regonol). Corticosteroids and other immunosuppressive agents (usually azathioprine [Imuran]) may be added or substituted if response to anticholinesterase therapy is inadequate. Although myasthenia gravis is a chronic disease, it can be well controlled in most patients, provided they comply with treatment. Patient education is therefore essential.
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PMID:Myasthenia gravis. Diagnostic methods and control measures for a chronic disease. 841 29

The bronchodilator efficacy, safety, and persistence of effect of the anticholinergic agent ipratropium bromide and the beta-adrenergic agonist albuterol, both given by nebulization, were compared in 223 patients with stable, severe chronic obstructive pulmonary disease (COPD). The study was a randomized, double-blind, parallel group trial conducted over 85 days. Patients took the study drugs (either 500 micrograms of ipratropium bromide or 2.5 mg of albuterol) three times daily on an outpatient basis throughout the study. The acute bronchodilator responses to nebulized ipratropium bromide and albuterol were studied on days 1, 43, and 85. The forced expiratory volume in 1 second (FEV1) response was similar for both drugs on day 1 (33% peak increase after ipratropium bromide and 36% peak increase after albuterol). However, albuterol's effect on FEV1 decreased over time. Clinical improvement was noted in both study groups, but the ipratropium bromide group had a greater symptomatic benefit. Patients receiving ipratropium bromide scored higher on a quality-of-life questionnaire evaluating dyspnea, fatigue, emotional function, and mastery. Side effects were relatively infrequent and generally mild for both study drugs. These results show that ipratropium bromide, given by nebulization, is safe and effective in the outpatient treatment of COPD.
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PMID:Nebulized bronchodilators for outpatient management of stable chronic obstructive pulmonary disease. 861 Jul 12

Since the end of the Gulf War, tens of thousands of American, Canadian and British soldiers who participated in that war have claimed to be suffering from a variety of incapacitating symptoms which are generally termed as Gulf War Syndrome (GWS). The symptoms are multiple but mainly consist of excessive tiredness, muscle and joint pain, loss of balance, sensory symptoms, neurobehavioural manifestations, diarrhoea, bladder dysfunction, sweating disturbances, and respiratory, gastrointestinal, musculoskeletal and skin manifestations. These veterans have been exposed to a variety of damaging or potentially damaging risk factors including environmental adversities, pesticides such as organophosphate chemicals, skin insect repellents, medical agents such as pyridostigmine bromide (NAPS), possible low-levels of chemical warfare agents, multiple vaccinations in combinations, depleted uranium, and other factors. A large number of basic research findings, clinical epidemiological studies, and case control studies are reviewed to try and link them together to produce a coherent picture and to demonstrate the complexity of the interaction of biological systems, environmental and genetic factors, combinations of drugs and toxins with human health. The findings of these studies so far have demonstrated that many of the previous assumptions made about the 'safety' of certain drugs and toxic substances or vaccines must be radically reviewed. Many of the findings have far reaching implications not only in terms of explanation of what might have gone wrong during the Gulf War, but also have wider implications for many occupational groups who are exposed daily to some of these risk factors. More open-mindedness and much less prejudice are required concerning the basic biology of interactions of the above factors and their effects on cell functions and wider intelligent research is urgently required with high priority. This review highlights the importance of intelligent research for answers for a new phenomenon, and demonstrates the necessity for a combination of this approach with high quality epidemiological research. The reader will notice an emerging clear picture that the majority (if not all) of these advances have been achieved from studies funded by independent or charity organizations rather than by the responsible authorities who are supposed and are duty bound to take on this task.
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PMID:Gulf War syndrome--a model for the complexity of biological and environmental interaction with human health. 963 79


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