Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A double-blind trial was carried out in 47 patients with depression to compare the effectiveness of 30 mg mianserin, 60 mg mianserin and 50 mg sustained-release amitriptyline, each given as a single dose at night over a period of 4 weeks. Hamilton Rating Scale scores showed significant, progressive improvement from Week 1 with all three regimens. Although the differences between the groups were not significant, the greatest improvement occurred after 60 mg mianserin daily and the order of effectiveness was consistent for various Hamilton Rating Scale items. Patient self-assessment, using visual analogue scales, gave similar results to the Hamilton Rating Scale with significant, progressive improvement in all groups. Once again, a consistent order of effectiveness was evident with most of the items, the greatest improvement being noted with 60 mg mianserin daily and the least with 30 mg mianserin daily. There was a considerable reduction in the number of reports of symptoms recorded before the trial during treatment in all groups. The only increase in symptoms possible drug-related was of blurred vision in patients receiving amitriptyline.
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PMID:A double-blind controlled trial of mianserin and amitriptyline in depression. 742 8

This article reviews recent research that addresses the functional outcomes of intervention for vestibular disorders. Vestibular impairments cause disequilibrium, blurred vision, disorientation, and vertigo. These sensory disturbances and motor impairments in turn cause dysfunction in many activities of daily living and in social interactions that traditional medical treatments do not address. The motor sequelae of some vestibular disorders can be treated successfully with programs of graded exercises and activities, the functional implications of which are described herein. The functional impairments caused by other vestibular disorders, which cannot be treated with graded activities, are also described. These disorders include bilateral vestibular loss caused by connective tissue disorders or by the use of ototoxic medications, tumors of the labyrinth or vestibular nerve, and Meniere's disease. Occupational therapy intervention for these conditions may involve providing adaptive equipment, teaching alternative strategies for performing activities of daily living, and psychological intervention for depression and anxiety.
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PMID:Vestibular rehabilitation improves daily life function. 782 8

To study acute organophosphorus (OP) poisoning cases, 190 OP-intoxicated cases admitted to Civil Hospital, Ahmedabad, were investigated in depth. The group consisted of subjects ranging from 11 to 60 years of age, with the maximum number of cases in the age group 21-30 years and a male-to-female ratio of 2.1:1. Most of the subjects (71.61%) were partially educated, 24.2% of the cases were illiterate, and only 4.2% of the cases were highly educated. Socioeconomically, 21.1% of the subjects were of low economic status, 52.6% were low middle class, 16.8% were upper middle class, and only 9.5% were upper class. With regard to marital status of the subjects, 98 cases were married and 92 were unmarried. About 67.4% of the cases had the intention of committing suicide, 16.8% of the cases were the result of occupational exposure, and 15.8% of the cases were from accidental poisoning. Social and domestic problems (37.5%), marital friction (15.6%), financial stress (15.6%), love affairs (14.1%), job problems (10.9%), chronic illness (4.7%), and failure in examination (1.6%) were observed as the precipitating factors. Muscarinic manifestations such as vomiting (96.8%), nausea (82.1%), miosis (64.2%), excessive salivation (61.1%), and blurred vision (54.7%) and CNS manifestations such as giddiness (93.7%), headache (84.2%), disturbances of consciousness (44.2%), and typical pungent odor from mouth and clothes (77.9%) were the main presenting symptoms. Cardiac manifestations such as sinus tachycardia (25.3%), sinus bradycardia (6.3%), and depression of ST segments with T-wave inversion (6.3%) were observed electrocardiographically, with hypertension (10.5%) and muscular twitching in some (2.1%) cases. Biochemical changes such as albuminuria (12.6%) and azotemia (18.9%) with inhibition of acetylcholinesterase enzyme activity in blood were recorded in 78.9% of the cases. About 89.5% of the cases recovered completely, 4.2% of the cases absconded after partial recovery, and 6.3% of the cases died. The mortality rate (6.3%) depended on various factors such as the organophosphorus compound consumed, the amount ingested, the time interval for hospitalization, and the general health of the patient. Chances of recovery were higher when the patient was hospitalized at the earliest indication.
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PMID:A clinical, biochemical, neurobehavioral, and sociopsychological study of 190 patients admitted to hospital as a result of acute organophosphorus poisoning. 832 67

Sertraline is a serotonin reuptake inhibitor that has been approved for use in the treatment of depression. Its side-effect profile is similar to that of fluoxetine, a drug of the same class. The side effects of these drugs most often affect the gastrointestinal tract. Serotonin reuptake inhibitors are nonsedating and free of cardiac effects; they do not cause hypotension, urinary retention or blurred vision. Sertraline, like fluoxetine, appears to be safer than tricyclic antidepressants in overdose. However, no clinical studies comparing sertraline and fluoxetine have been published. The wholesale cost of a month's supply of sertraline is about $50, compared with about $5 for a generic tricyclic antidepressant. Despite their cost, serotonin uptake inhibitors may be the initial drugs of choice in depressed elderly patients, because these patients are at increased risk for suicide and have a low tolerance for the side effects of tricyclic antidepressants.
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PMID:Sertraline: a new antidepressant. 815 1

Residents adjoining a die-casting plant had excessive headaches, numbness of hands and feet, dizziness, blurred vision, staggering, sweating, abnormal heart rhythm, and depression, which led to measurements of neurobehavioral performance, affective status, and the frequency of symptoms. They had all been exposed via well water and proximity to the plant to volatile organic chemicals (VOC) and to polychlorinated biphenyls (PCBs). The 117 exposed women and men and 46 unexposed referents were studied together for simple and choice visual reaction time, body sway speed, blink reflex latency, color discrimination, Culture Fair (a nonverbal nonarithmetic intelligence test), recall of stories, figures, and numbers, cognitive and psychomotor control (slotted pegboard and trail making A and B), long-term memory, profile of mood states (POMS), and scores and frequencies of 34 symptoms. Choice reaction time, sway speed, and blink latency were impaired in both sexes of the exposed group and trail making B was impaired in exposed women. The POMS scores and frequencies of 30 of 34 symptoms were elevated in both sexes, compared to referents. Recall, long-term memory, psychomotor speed, and other cognitive function tests were reduced in exposed subjects and in the referents as compared to national referents. Neurophysiological impairment, and cognitive and psychomotor dysfunction and affective disorders, especially depression and excessive frequency of symptoms, were associated with the use of wells contaminated with VOCs, TCE and PCBs.
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PMID:Neurobehavioral testing of subjects exposed residentially to groundwater contaminated from an aluminum die-casting plant and local referents. 834 33

Chronic hypotension, volume nonresponsive, is not rare in hemodialysis patients and is usually refractory to various therapies. Midodrine hydrochloride is an alpha-mimetic drug acting directly on the peripheral alpha-receptor and increases blood pressure. We studied 10 uremic patients on hemodialysis with chronic hypotension to evaluate efficacy and safety of midodrine. Midodrine hydrochloride was administered at a dose of 2.5 mg twice on the dialytic day, 1.25 mg twice on the nondialytic day. Subjective symptoms and objective parameters were evaluated and compared before and after midodrine treatment. Midodrine significantly increased systolic pressure from 73.0 +/- 10.5 mm Hg to 90.5 +/- 12.3 mm Hg (p < 0.01); and diastolic blood pressure from 44.0 +/- 8.4 mm Hg to 55.4 +/- 7.9 mm Hg (p < 0.01) before dialysis. Orthostasis, dizziness, fatigue, blurred vision, dullness, headache, and depression improved an average of 62%. All patients tolerated midodrine treatment well. Only mild side effects were noted, including flush sensation, neck soreness, and headache. We conclude that midodrine may be another choice for uremic patients on hemodialysis with chronic hypotension which responds poorly to other conventional management.
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PMID:Midodrine hydrochloride in patients on hemodialysis with chronic hypotension. 872 63

The chemistry, pharmacology, pharmacokinetics, and clinical efficacy of nefazodone hydrochloride, a new antidepressant, are described. Nefazodone enhances serotonin (5-hydroxytryptamine [5-HT]) synaptic transmission by acting as an antagonist at 5-HT2 receptors and by inhibiting the reuptake of 5-HT. These two mechanisms combined may enhance 5-HT1A-mediated transmission. In addition, nefazodone weakly inhibits the reuptake of norepinephrine. Nefazodone is a structural analogue of trazodone but is pharmacologically distinct. In placebo-controlled trials, nefazodone was as effective as imipramine for the treatment of major depression and produced clinical benefits in patients with depression-related anxiety and sleep disturbances. More than 2000 patients have received nefazodone in clinical trials. The most commonly reported adverse drug reactions (ADRs) are asthenia, somnolence, dry mouth, nausea, constipation, dizziness, lightheadedness, confusion, abnormal vision, and blurred vision. The incidence of sexual-dysfunction ADRs may be less than that reported for other antidepressants. Nefazodone does not inhibit rapid-eye movement sleep. Nefazodone, an inhibitor of the hepatic P-450 isoenzyme CYP3A4, may increase concentrations of drugs metabolized by this isoenzyme, such as terfenadine, astemizole, triazolam, alprazolam, and midazolam. Caution should be exercised in administering nefazodone hydrochloride with triazolobenzodiazepines, and coadministration with terfenadine or astemizole is contra-indicated. The dosage should start at 100 mg twice daily and then be increased, depending on occurrence of ADRs and the patient's clinical response, to 300-600 mg daily. In elderly or debilitated patients, the initial dosage should be half the usual dosage. Nefazodone hydrochloride is as effective as other available antidepressants and may cause fewer ADRs.
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PMID:Nefazodone: a new antidepressant. 889 78

A 40-year-old Asian man, 6 months post renal transplant and receiving tacrolimus therapy, presented to the emergency department with a complaint of sudden-onset left eye pain with blurred vision, headache on the left side, and nausea and vomiting. On being admitted, the patient was intubated for respiratory depression, and erythromycin was initiated for suspected atypical pneumonia. Tacrolimus concentrations (whole blood) drawn on the 3rd day of hospitalization were reported to be > 60.0 ng/ml. Before hospitalization, tacrolimus concentrations were reported to be 9.8 ng/ml on a maintenance dose of 7 mg twice daily. Six days after discontinuation of erythromycin and a decrease in tacrolimus dose, the concentration decreased to 11.5 ng/ml and the original dose of tacrolimus was restarted. It is recommended that concurrent administration of erythromycin and tacrolimus be avoided. However, if concomitant therapy is necessary, tacrolimus concentrations, serum creatinine, blood urea nitrogen, and urine output should be monitored.
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PMID:Interaction between tacrolimus and erythromycin. 902 62

A 37-year-old man with a history of sarcoidosis, hypertension, asthma, depression and prior intravenous drug use presented with complaints of difficulty in finding his way around the house, headache, and blurred vision in both eyes. The symptoms had been increasing in severity over the prior several months. Physical examination showed normal visual acuity, pupil reactions, and fundi but severe, circumferential constriction of the visual fields bilaterally. The visual fields enlarged appropriately on increasing the distance from the patient to the tangent screen. Neuroimaging revealed bilateral, occipital meningeal involvement and parenchymal lesions consistent with sarcoidosis. Treatment with oral corticosteroids produced a mild subjective improvement in the patient's symptoms and stabilized the visual fields, without improving them. This case represents an unusual presentation of presumed neurosarcoidosis involving the visual pathways at the level of the occipital lobes.
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PMID:Presumed bilateral occipital neurosarcoidosis. A case report. 953 37

Using the method of willingness to pay (WTP), this study assesses the value of a new antidepressant, moclobemide, relative to that of tricyclic antidepressants (TCAs), which have equivalent efficacy but less favourable adverse effect profiles. From a published meta-analysis of controlled clinical trials, we identified 7 adverse effects, the risk of which differed significantly between moclobemide and TCAs. We obtained risk reduction data and descriptions of adverse effects from interviews with 95 individuals who had mild to moderate depression and who had been taking one or more TCAs in the previous year. Using a visual analogue scale, respondents ranked and rated each adverse effect. Participants were then asked (using the scenario of additional out-of-pocket drug payment) to quantify the maximum amount that they would pay for a new drug that reduced each adverse effect by the specified probability. Blurred vision and tremor were ranked and rated as the most bothersome adverse effects, with dry mouth being the least bothersome. On average, respondents were willing to pay an additional $Can22 per month [95% confidence interval (CI) 16-28] to reduce the risk of blurred vision from 10 to 5%. The lowest WTP value was for reducing the risk of dry mouth from 40 to 15%, at $Can11 per month (95% CI 8-15). Although not measured directly, we derived 2 estimates of WTP for multiple (i.e. all 7) risk reductions. We obtained upper and lower WTP limits of $Can118 and $Can36 per month, respectively, depending upon aggregation assumptions. Compared with the TCAs amitriptyline and imipramine, the net cost of moclobemide is greater, but the overall net benefit (WTP minus cost) is ambiguous given uncertainty about WTP aggregation over adverse effects. However, compared with the TCAs desipramine and clomipramine, the net benefit of moclobemide is unambiguously positive. We conclude that the WTP approach is a potentially valuable tool that requires more development for use in healthcare economic evaluation.
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PMID:Assessing the economic value of a new antidepressant. A willingness-to-pay approach. 1015


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