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Biomedical subjects

I Rautakorpi

Publications and source records attributed to I Rautakorpi.

11 recordsLinked to original sources
PubMed1998

Tolfenamic acid rapid release versus sumatriptan in the acute treatment of migraine: comparable effect in a double-blind, randomized, controlled, parallel-group study.

The efficacy and safety of tolfenamic acid and oral sumatriptan in the acute treatment of migraine was studied at five neurological centers in Finland. One hundred forty-one patients experiencing 289 migraine attacks, fulfilling the diagnostic criteria for migraine with or without aura as defined by the International Headache Society, were randomized. For first attacks, 77% of patients receiving tolfenamic acid experienced a reduction of the initial severe or moderate headache to mild or no headache after 2 hours, as compared to 79% in the sumatriptan group and 29% in the placebo group. No significant difference was found between active treatments (P = 0.85, 95% CI [-22%, 18%]), however, both active treatments were significantly better than placebo; P = 0.001, 95% CI (26%, 69%) for tolfenamic acid and P = 0.001, 95% CI (28%, 71%) for sumatriptan. For second attacks, results were similar with 70% of patients receiving tolfenamic acid experiencing relief, as compared to 64% in the sumatriptan group and 39% in the placebo group. No significant differences were observed in accompanying symptoms. Both drugs were well tolerated with the frequency of adverse events; 30% for tolfenamic acid and 41% for sumatriptan, a nonsignificant difference. In this study, tolfenamic acid and oral sumatriptan are comparably effective in the acute treatment of migraine. When comparably effective, factors like individual effect, tolerance, and cost of treatment should be considered when prescribing migraine medication.

Acute Disease↗
PubMed1997

Carbonic anhydrase II in the cerebrospinal fluid: its value as a disease marker.

Carbonic anhydrase (CA) II is the predominant CA isoenzyme in the brain of mammals. We have recently developed a dual-label time-resolved immunofluorometric assay to quantify minute amounts of CA I and II in the cerebrospinal fluid (CSF). The present study was aimed at elucidating the clinical value of such measurements in the case of neurological disorders. Lumbar CSF samples were obtained from 111 patients suffering from various neurological diseases and from 97 control patients with no specific signs of central nervous system diseases. The highest CA II concentrations were found in patients with brain infarction (median 66.5 micrograms L-1, n = 20), whereas the control patients had markedly lower values (median 7.8 micrograms L-1, n = 97). Relative to a reference range calculated from the control material (10.2 +/- 17.2 micrograms L-1), the sensitivity of CA II measurement in differentiating brain infarction was 100%. Patients with transient ischaemic attack (median 11.2 micrograms L-1, n = 9), multiple sclerosis (median 14.7 micrograms L-1, n = 18) or epilepsy (median 20.3 micrograms L-1, n = 17) usually had CA II concentrations within the normal range, but those with central nervous system infection (n = 14), dementia (n = 19) or trigeminal neuralgia (n = 6) tended to have higher CA II levels in their CSF, the median values being 39.1 micrograms L-1, 45.5 micrograms L-1 and 44.0 micrograms L-1 respectively. The findings indicate that the concentration of CA II in the CSF marks disease activity in patients with brain damage. This finding could provide a basis for further studies estimating the value of CA II measurement as a new laboratory marker of diseases affecting the brain.

Adolescent↗
PubMed1984

The relation of essential tremor to Parkinson's disease.

To test the alleged genetic linkage between essential tremor and Parkinson's disease, the relatives of patients with essential tremor were examined to see whether Parkinson's disease occurred more frequently than expected. There was no increase of Parkinson's disease in the essential tremor families. It is concluded that essential tremor and Parkinson's disease are genetically independent diseases.

Adult↗
PubMed1983

Alcohol consumption of patients with essential tremor.

Most patients with essential tremor experience a transient improvement after ingesting a small amount of alcohol. It has been accordingly suggested that essential tremor patients may have an increased risk of developing alcoholism. In this study, the frequency and amount of alcohol intake of essential tremor patients were found to be largely similar to the drinking habits of a control sample from the general population. This indicates that essential tremor does not generally augment alcohol consumption, nor is it a common cause of alcoholism.

Alcohol Drinking↗
PubMed1982

Essential tremor in a Finnish population.

A two-phase epidemiological study of essential tremor was carried out by investigating a rural population aged over 40 years in 2 municipalities in southwestern Finland. In the first phase, the subjects answered a questionnaire as to whether they had experienced tremor during the month preceding the inquiry. In the second phase, the persons who had tremor often or fairly often, were examined clinically. The total prevalence of essential tremor, calculated on the basis of clinically established cases, was 55.5/1000 of the population aged over 40 years. The disease became more prevalent with advancing age and was, with the exception of the oldest age-group, more common in men than in women.

Adult↗
PubMed1977

Antibodies against herpes simplex virus type 1 subunit antigens in patients with trigeminal neuralgia and controls.

Serum IgG antibody levels against herpes simplex virus (HSV) type 1 subunit (capsid, envelope, and excreted) antigens detected with radioimmunoassay were compared in 25 patients with trigeminal neuralgia and their age- and sex-matched controls. No significant differences were found between the patients and controls, either in the distribution of the antibody titers or in the mean titers against any of the subunit antigens tested. In 6 patients HSV antibody titers were tested before and after trigeminal root section; no significant changes were observed.

Adult↗
PubMed1976

Parkinson's disease treated with Sinemet or Madopar. A controlled multicenter trial.

92 patients with Parkinson's disease not previously treated with levodopa were considered as eligible for this triple-blind trial. Patients were allocated at random to treatment with either levodopa + benserazide ratio 4:1 (Madopar) or levodopa + carbidopa ratio 10:1 (Sinemet) using dosage schedules recommended by the manufacturers which they had to adhere to for 6 months. Unless prohibitive side-effects occurred daily maximum dosage of 800 mg levodopa + 200 mg benserazide respectively 1,500 mg levodopa + 150 mg carbidopa were obtained after 6 weeks and 3 weeks, respectively. The effect of the two schedules on the Parkinsonian symptoms were equal and appeared equally fast. The frequency of gastrointestinal side-effects and involuntary movements were significantly higher and more severe for Sinemet than for Madopar. These side effects are usually symptoms of levodopa overdosing, but whether or not a different dosage schedule with Sinemet would have given fewer side-effects without concurrent lower efficacy remains open to speculation. The treatment schedules did not differ with regard to other side-effects and influence on blood pressure. Neither treatment seemed to influence liver function, renal function and hematological parameters in a statistically way.

Aged↗
PubMed1976

[Essential tremor].

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Adrenergic beta-Antagonists↗
PubMed1976

L-Tryptophan administration in man: effects on gonadotrophin, growth hormone and cortisol secretion and on sexual motivation.

Long-lasting administration of L-tryptophan in neurologic patients caused a slight reduction of plasma luteinizing hormone levels without modifications of sexual motivation. Plasma follicle stimulating hormone concentrations were not altered by L-tryptophan. Short-lasting loading of L-tryptophan caused a statistically significant increase of plasma growth hormone levels, and a fall of plasma cortisol values in neurologic patients without neuroendocrine disorders. The pattern of plasma cortisol response to L-tryptophan loading was different in patients with neuroendocrine disorders. Plasma gonadotrophins seemed to be slightly reduced after the L-tryptophan loading.

Depression, Chemical↗