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)

Sixty-four outpatients with major affective disorder according to DSM-III and on continuous lithium treatment for an average duration of 7.8 years were first investigated in 1980 and then followed for 7 years. The predictive value of patients' attitudes to their lithium, the prognostic influence of psychiatric status, side effects, and anamnestic and laboratory data including lithium parameters were studied. At the end of the 7-year follow-up, 61% of the patients were still on lithium maintenance treatment, 25% had discontinued lithium for clinical reasons, and 14% of the patients had died. Side effects of lithium were the major clinical reason for discontinuing treatment, while attitudes towards medication were of minor importance. Approximately one fourth of the patients who discontinued lithium were differentiated from those who continued treatment by showing a high frequency of the neurologic side effects incoordination, paresthesia, and disturbed sensibility in addition to having more severe tremor. In yet another fourth of those who discontinued for clinical reasons, lithium was stopped by the treating psychiatrist as maximal urine osmolality values were considered to be too low. These patients did not show any signs of clinically significant impairment of renal functions. Their psychiatric status was excellent in terms of extremely low CPRS scores. The patients who died during the follow-up period were differentiated from those who continued treatment by a much higher frequency of alcohol and drug abuse prior to the initiation of lithium therapy. The total number of side effects and the number of severe side effects were significantly larger than in continuers on lithium. The most common causes of death were cardiovascular disease and suicide. In no case was the cause of death attributed to lithium therapy.
Acta Psychiatr Scand 1989 Sep
PMID:Factors associated with discontinuation of long-term lithium treatment. 251 Apr 58

The behavioral effects of paroxetine were investigated in mice and rats in comparison with imipramine and amitriptyline. 1) Locomotor activities were decreased by imipramine and amitriptyline but not by paroxetine in both animal species. 2) Paroxetine antagonized methamphetamine-induced hyperactivity in mice as did imipramine and amitriptyline. 3) Paroxetine showed a more potent antimuricidal effect in raphe-lesioned rats than imipramine and amitriptyline, and it also inhibited muricide in olfactory bulbectomized rats. 4) The immobility of rats in the forced swimming test was markedly decreased by imipramine and amitriptyline, but only slightly by paroxetine. 5) Like imipramine and amitriptyline, paroxetine potentiated the methamphetamine- or L-DOPA-induced stereotyped sniffing, and it inhibited oxotremorine-induced tremor. 6) Paroxetine antagonized reserpine-induced hypothermia, tetrabenazine-induced ptosis, and enhanced ether-induced anesthesia, all less potently than imipramine and amitriptyline. 7) The analgesic action of paroxetine was stronger than that of imipramine and amitriptyline. 8) Paroxetine did not antagonize maximal electroshock- or pentetrazol-induced convulsions and haloperidol- or THC-induced catalepsy in rats. In addition, paroxetine neither exerted muscle relaxation nor affected the shuttle-box type conditioned avoidance in rats. From these results, the behavioral effects of paroxetine, as compared with imipramine and amitriptyline, were characterized by its potent antimuricidal action in raphe-lesioned rats and its weak effect in the forced swimming test and by its less potent muscle relaxant, anticonvulsant, anticataleptic and anesthesia-potentiating actions.
Nihon Yakurigaku Zasshi 1989 Sep
PMID:[Behavioral pharmacological properties of the novel antidepressant paroxetine, a selective 5-HT uptake inhibitor]. 253 Jan 42

Two experiments were performed to investigate the actions of the selective D1 blocker SCH 23390 and the selective D2 blocker sulpiride, on oral movements in rats; these were quantified by a human observer scoring vacuous chewing movements (VCMs), jaw tremor and head movements, as well as a computer analysis system which measured the amplitude and slope of each movement. In the first experiment it was found that both SCH 23390 and sulpiride decreased VCMs and head movements in a dose-dependent manner, with SCH 23390 more effectively decreasing head movements and sulpiride more effectively decreasing VCMs. In a second experiment, the effectiveness of these two drugs in blocking the actions of selective D1 (SKF 38393) and D2 (LY 171555) agonists was studied. The SKF 38393-induced increase in computer-scored movement was attenuated by both sulpiride and SCH 23390, whereas the LY 171555-induced decrease in VCMs was attenuated by sulpiride, while SCH 23390 exacerbated it. These findings, together with our earlier results, suggest a simple relationship of D1 receptors to oral movement, with increased activation resulting in increased oral movement and decreased activation resulting in decreased oral movement. The relationship of D2 receptors to oral movement shows a more complex pattern, with both stimulation and blockade decreasing oral movement. One possibility may be the existence of more than one subpopulation of D2 receptors mediating these effects.
Pharmacol Biochem Behav 1989 Sep
PMID:Effects of dopamine D1 and D2 receptor antagonists on oral activity in rats. 257 12

Micrographia due to focal cerebral disorder is very rare. We described a patient with micrographia due to a left putaminal infarction. Following an infarction involving the left putamen and corona radiata, a 58-year-old right-handed man developed micrographia with the right hand, right facial palsy, right hand clumsiness and slight aphasia. Micrographia finally disappeared by the seventh month. No parkinsonian features were noted. Our case suggests that micrographia is a disorder of the motor control system of handwriting which exists in the contralateral putamen, and has no relation with extrapyramidal signs like rigidity, tremor or akinesia.
Rinsho Shinkeigaku 1989 Sep
PMID:[A case of micrographia with the right hand due to left putaminal infarction]. 259 41

Patients with severe chronic airways obstruction often respond poorly to inhaled salbutamol in conventional dosage from a pressurized aerosol. We have investigated the response to high dose salbutamol in 18 patients with chronic airways obstruction (mean age 64.4 years, mean FEV1 40.2% predicted, less than 15% response to 400 micrograms salbutamol). Patients were given 1 mg, 2 mg and 5 mg of salbutamol by either Rotacaps or nebulizer in random order on separate days. Response was measured over 8 h as a change in airway calibre (FEV1, FVC and PEF). The frequency of tremor, palpitations and arrhythmias was noted. Area under the curve for change from baseline values for FEV1, FVC and PEF showed that larger doses of salbutamol (nebulized or Rotacaps) result in larger areas from all three variables. Analysis of peak response, for FEV1, FVC and PEF showed no significant difference for the six treatments used except that the peak response for 2 mg Rotacaps for FEV1 was significantly larger than that for 1 mg Rotacaps (P less than 0.05). The results of this study show that in severe chronic airflow obstruction 1, 2 and 5 mg of salbutamol inhaled via a rotahaler device are just as effective as 1, 2 and 5 mg salbutamol inhaled from a nebulizer in producing bronchodilation. High dose salbutamol is well tolerated and side effects are minimal. Rotacaps have the advantage of being more portable than a wet nebulizer.
Respir Med 1989 Sep
PMID:High dose salbutamol in chronic airflow obstruction: comparison of nebulizer with Rotacaps. 261 24

A 64-year-old carpenter had an unsteady gait, severe dizziness, nocturia, and a loss of erection for more than 4 years. The neurological manifestations consisted of a wide-based ataxic gait, bilateral dysmetria with intentional tremor, staccato speech, rigidity, bradykinesia, and an iris-thinning. There was reproducible orthostatic hypotension. A sweat test revealed severe anhidrosis. Nicotine and methylbenzene sensitivity was absent, whereas norepinephrine infusion test showed a significant elevation of blood pressure. The resting plasma norepinephrine level on recumbency was low and a subnormal surge was noted on standing or exercise. We conclude that the clinical features caused by a degenerative process involving both the central and peripheral autonomic systems, together with atrophy of other systems in this patient, constitute the Shy-Drager syndrome.
Taiwan Yi Xue Hui Za Zhi 1989 Sep
PMID:Abnormal cardiovascular responses to postural changes and pharmacologic agents in a case of Shy-Drager syndrome. 262 36

The changes in the acquisition of conditioned avoidance responses (CARs) and the performance of some spontaneous behaviors were examined across the estrous cycle of female rats. CARs were facilitated during diestrus, impaired at proestrus and practically abolished at estrus and metestrus. Motor activity and head shaking were minimally affected with the stages of the cycle. Motor activity was increased at metestrus and head shaking decreased at estrus. At 14 days following ovariectomy, there was a significant enhancement of CARs which was antagonized by the daily administration of estradiol benzoate (10 micrograms/kg) for three days. Ovariectomy also increased grooming behavior and estradiol replacement returned grooming to its basal level. The results suggest an inhibitory control of estradiol on CARs and grooming. The involvement of other hormones which also varied across the estrous cycle and its interaction with brain catecholamine systems, particularly dopamine, are discussed.
Physiol Behav 1989 Sep
PMID:Influence of the estrous cycle, ovariectomy and estradiol replacement upon the acquisition of conditioned avoidance responses in rats. 262 60

We report an infant with Shaken Baby syndrome (SBS) who presented with status epilepticus. The initial evaluation with computerized axial tomography (CAT scan) of the head was normal, and there was no history or physical finding consistent with physical abuse or shaking. This prompted an extensive evaluation to determine the etiology of the seizures. An ophthalmology consultation revealed the presence of severe bilateral retinal hemorrhages, which raised the possibility of SBS. Magnetic resonance imaging (MRI) showed cerebral hemorrhages, hemorrhagic contusions, and bilateral subtemporal subdural hematomas. This is the first reported case of SBS diagnosed by magnetic resonance imaging following a normal initial CAT scan. MRI may be a valuable tool in the diagnosis of brain injury in SBS and may be particularly valuable when the CAT scan of the head is normal, the etiology of neurologic injury is unclear, and the presence of retinal hemorrhages raises the suspicion of SBS.
Pediatr Emerg Care 1989 Sep
PMID:Shaken baby syndrome diagnosed by magnetic resonance imaging. 269 92

A 40-year-old man who was resected ascending colon and terminal ileum (10 cm) in Aug. 1978, with the diagnosis of Crohn's disease, was admitted to our hospital with general fatigue, paresthesia and tremor in May. 1984. A peripheral blood examination on admission revealed Hb 10.1 g/dl, RBC 234 X 10(4)/mm3, MCV 131.4 fl, MCH 43.2 pg. A bone marrow specimen showed marked erythroid hyperplasia (W/E 1.44) with megaloblastic change. While serum folate level was normal, serum vitamin B12 value was low and Schilling test showed vitamin B12 malabsorption. Roentgenologic and endoscopic examinations revealed diffuse cobblestone appearances in small intestine (from anastomosis part to duodenal bulb). These examinations suggested vitamin B12 malabsorption with diffuse Crohn's disease caused megaloblastic anemia. The patient had been treated with vitamin B12 1,000 micrograms/day injection and, in Sep. 1984, he recovered from megaloblastic anemia (Hb 13.4 g/dl, RBC 440 X 10(4)/mm3, MCV 90.7 fl, MCH 30.4 pg).
 ...
PMID:[Megaloblastic anemia associated with diffuse intestinal Crohn's disease]. 271 98

In a rural community of 80,000 people 69 patients were identified as having a diagnosis of Parkinson's disease. After interview and examination we found that 55 met the generally accepted diagnostic criteria for Parkinson's disease, 4 had possible Parkinson's disease, 6 had essential tremor, 2 had dementia and 2 had other conditions. The patients with Parkinson's disease had clinical and epidemiologic characteristics similar to those of patients in previous, mainly hospital-based, studies. These characteristics included mean age at onset (63 years), frequency rate of dementia (20%) and presence of postural tremor (11%). The pattern of treatment varied, some patients receiving more medication than is usual for the severity of their illness, and some patients receiving less than is usual. Parkinson's disease can be difficult to diagnose and manage because of the clinical variation between patients in presentation and response to treatment.
CMAJ 1989 Sep 01
PMID:A community survey of Parkinson's disease. 276 81


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