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Direct detection of Mycobacterium tuberculosis in respiratory samples from patients in Scandinavia by polymerase chain reaction.

OBJECTIVE: To investigate the use of DNA amplification by the polymerase chain reaction (PCR) for the detection of Mycobacterium tuberculosis directly in human respiratory specimens. METHODS: The PCR assay employed was the Amplicor M. tuberculosis Test (Roche Diagnostics, Switzerland), which uses the 16S rDNA as the target template. Nine hundred and sixty samples from 741 patients in two clinical microbiology laboratories in Norway and Sweden were processed by routine culture analysis and PCR. RESULTS: Of the 56 specimens containing cultivatable M. tuberculosis, 49 (87.5%) were detected by PCR. Among the 904 culture-negative specimens, 897 samples were negative also by PCR and seven (0.8%) were positive by PCR. In comparison with culture, the sensitivity, specificity, and positive and negative predictive values of PCR were 91.7%, 99.6%, 94.2% and 99.4% for laboratory 1 and 80.0%, 98.7%, 76.2% and 99.0% for laboratory 2, respectively. For both laboratories combined the values were 87.5%, 99.2%, 87.5% and 99.2%. CONCLUSIONS: These results indicate that multiple (two or three) respiratory samples from each patients should be tested, to allow sufficient accuracy in detecting M. tuberculosis in the specimens. Still, the labor-intensive format of this test necessitates strong clinical indications and patient prioritization to provide a service feasible within the current limits of routine laboratories.

Journal Article↗

Flunarizine in stroke treatment (FIST): a double-blind, placebo-controlled trial in Scandinavia and the Netherlands.

INTRODUCTION: An international, multicenter trial was conducted in 331 patients to determine the effect of a large dose of flunarizine (a calcium entry blocker) in the treatment of acute ischemic stroke in the territory of the Middle cerebral artery. METHODS: The administration of the trial medication should start within 24 h after the initial symptoms of stroke. According to a random schedule, the patients were assigned to a 4-weeks double-blind treatment with either flunarizine (n = 166) or placebo (n = 165): one week intravenous administration (50 mg daily), followed by 3 weeks oral treatment (week 2, 21 mg daily; week 3-4, 7 mg daily). All patients had to be investigated by computerized tomography (CT) within 7 days after stroke onset; 36 patients were secundarily excluded because the CT showed another pathology. During the treatment period, other "stroke therapies" were not allowed. Patients were followed up for 24 weeks. RESULTS: After the 24 weeks trial period, the percentage of patients who were dead or pendent (modified Rankin score 3-5) was similar in both treatment groups (flunarizine 67%, placebo 65%). During the trial, the scores for handicap severity (modified Rankin scale), neurological status (Orgogozo) and activities of daily living (modified Barthel index) strongly improved in both treatment groups, but no differences were found between the treatment groups. In this trial, the administration of trial treatment started relatively late after stroke onset (flunarizine group: mean time interval 13.5 h; placebo 12.3 h). A subgroup of patients received trial medication within 6 h after stroke onset (flunarizine n = 31; placebo n = 29). Also in this subgroup, no differences were found between the flunarizine and placebo group. CONCLUSION: Flunarizine did not improve neurologic and functional outcome in patients with acute ischemic stroke.

Activities of Daily Living↗

Present functions of forensic psychiatry in Scandinavia.

An attempt is made to give a description of the functions of forensic psychiatry in the Scandinavian countries, including some statistical information on activities and persons involved. Definitions are given. Organizational differences in preparing psychiatric reports to the court in the five countries are outlined, as are the ways in which psychiatrists participate at the post-trial level. Some problems and divergent trends are mentioned. It is concluded that a demand for psychiatric evaluation and treatment of offenders who are psychotic or moderately and more severely mentally retarded will continue to exist, whereas it seems unclear how psychiatrists should deal with the psychiatric problems of offenders with other mental abnormalities. Forensic psychiatric research should include analysis of the functions of this discipline (frequency studies, studies of content, organization and effect).

Ambulatory Care↗

Suicide in Scandinavia. An epidemiological analysis.

Suicide rates in Denmark, Finland, Norway and Sweden for the past few years are presented. Despite the fact that the Nordic countries, both historically and at present, have many features in common, differences between the countries in the frequency of suicide are pronounced. These differences and the reliability of Nordic suicide statistics are discussed.

Adolescent↗

Increased incidence of Glanzmann's thrombasthenia in Jordan as compared with Scandinavia.

12 Jordanian patients from 9 families with Glanzmann's thrombasthenia are described. All of them are products of consanguinous marriages. All cases are children with varying severity of mucosal bleeding. The clinical and laboratory findings are described. The importance of consanguinity is discussed and emphasized. Glanzmann's thrombasthenia is the second most common inherited haemorrhagic disorder in Jordan.

Adolescent↗

The decline in the incidence of SIDS in Scandinavia and its relation to risk-intervention campaigns. Nordic Epidemiological SIDS Study.

A prospective case-control study of sudden infant death syndrome (SIDS) in Norway, Denmark and Sweden between September 1, 1992 and August 31, 1995 comprised 244 cases and 869 matched controls. After the introduction of risk-intervention campaigns, the SIDS incidence decreased from 2.3/1000 live births in Norway, 1.6 in Denmark and 1.0 in Sweden to 0.6/1000 or fewer in all the Scandinavian countries in 1995. The decrease paralleled a decline in the prone sleeping position and there was an accompanying parallel fall in total postneonatal mortality in all three countries. Thus, the risk-reducing campaigns for SIDS have been successful not only in Norway and Denmark, starting from relatively high incidences, but also in Sweden, starting from a low incidence. During the study period, a gradual increase was observed for the effects of prone sleeping, smoking and bottle-feeding as risk factors for SIDS.

Case-Control Studies↗

Breast feeding and the sudden infant death syndrome in Scandinavia, 1992-95.

AIMS: To assess the effects of breast feeding habits on sudden infant death syndrome (SIDS). METHODS: The analyses are based on data from the Nordic Epidemiological SIDS Study, a case-control study in which parents of SIDS victims in the Scandinavian countries between 1 September 1992 and 31 August 1995 were invited to participate, each with parents of four matched controls. The odds ratios presented were computed by conditional logistic regression analysis. RESULTS: After adjustment for smoking during pregnancy, paternal employment, sleeping position, and age of the infant, the adjusted odds ratio (95% CI) was 5.1 (2.3 to 11.2) if the infant was exclusively breast fed for less than four weeks, 3.7 (1.6 to 8.4) for 4-7 weeks, 1.6 (0.7 to 3.6) for 8-11 weeks, and 2.8 (1.2 to 6.8) for 12-15 weeks, with exclusive breast feeding over 16 weeks as the reference. Mixed feeding in the first week post partum did not increase the risk. CONCLUSIONS: The study is supportive of a weak relation between breast feeding and SIDS reduction.

Breast Feeding↗