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- Boman, J, et al.
(författare)
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High prevalence of Chlamydia pneumoniae DNA in peripheral blood mononuclear cells in patients with cardiovascular disease and in middle-aged blood donors.
- 1998
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Ingår i: Journal of Infectious Diseases. - 0022-1899 .- 1537-6613. ; 178:1
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Tidskriftsartikel (refereegranskat)abstract
- Nested polymerase chain reaction (nPCR) demonstrated the presence of Chlamydia pneumoniae-specific DNA in peripheral blood mononuclear cells (PBMC). PBMC samples were obtained from 103 consecutive patients (62 male, 41 female) aged 22-85 years (mean, 64) admitted for coronary angiography because of suspected coronary heart disease and from 52 blood donors (43 male, 9 female) aged 40-64 years (mean, 49). Of the 101 evaluable patients, 60 (59%) were identified by nPCR assay as C. pneumoniae DNA carriers; C. pneumoniae-specific microimmunofluorescence (MIF) serology confirmed exposure to the bacterium in 57 (95%) of the 60 nPCR-positive patients. Among the 52 blood donors, the nPCR assay identified 24 (46%) C. pneumoniae DNA carriers, all of whom were positive by C. pneumoniae-specific serology. Thirty-two patients (32%) and 23 blood donors (44%) were MIF antibody-positive but repeatedly nPCR-negative; Bartonella henselae- or Bartonella quintana-specific antibodies were not detected among any of these subjects. In this study, C. pneumoniae DNA was common in PBMC of patients with coronary heart disease and in middle-aged blood donors.
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- Esamai, Fabian, et al.
(författare)
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A comparison of core and skin temperature among normal and febrile children with cerebral malaria, uncomplicated malaria, and measles
- 1995
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Ingår i: Pathophysiology. - 0928-4680. ; 2:1, s. 55-59
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Tidskriftsartikel (refereegranskat)abstract
- Forty-four children were studied to compare the pathogenesis of fever in cerebral malaria, uncomplicated malaria and measles at the Eldoret District Hospital (EDH). A control group of normal children was used. The three patient groups were studied for three consecutive days measuring skin and core temperature three-times a day using the Liquid Crystal Device (LCD) thermometer. A statistical analysis of the results within and between the groups was carried out for core and skin temperature over the study period. No statistical differences were found between the groups for either the skin or the core temperature, but a significant statistical difference was demonstrated between the core and the skin temperature for all of the groups for each of the three days. No statistical difference was found when the differences between the core and skin temperature were compared between cerebral malaria and uncomplicated malaria. The possible roles of fever in morbidity and mortality are discussed, with special reference to cerebral malaria.
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- Esamai, Fabian, et al.
(författare)
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Clinical presentation and diagnosis of cerebral malaria in children in the highlands of western Kenya
- 1999
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Ingår i: East African Medical Journal. - 0012-835X. ; 76:2, s. 89-92
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND:The clinical presentation of cerebral malaria in children in the highlands has not been documented.OBJECTIVE:To describe the presentation of cerebral malaria in the age group one to twelve years.DESIGN:Prospective study conducted from May to September 1997, the rainy season during which malaria occurs in epidemics in the highlands of Kenya.SETTING:Paediatric wards of the Moi Teaching and Referral Hospital, Eldoret which is the Teaching Hospital for Moi University and the referral centre for surrounding districts of Western Kenya, with an altitude of over 2000 metres above sea level.PATIENTS:Twenty three consecutive children aged one to twelve years with cerebral malaria as defined by the WHO were studied. All children were treated with the standard quinine regimen for cerebral malaria.RESULTS:Majority of the children were six to ten years of age with 95.7% having a normal weight for age. 91.3%, 89.5% and 72.2% had fever, headache and convulsions respectively. 68.1% had a short duration of illness (less than three days) with only 9.5% presenting with hypoglycaemia. Severe anaemia was not observed but 72% had mild to moderate anaemia. Hyperparasitaemia (parasite counts greater than 100,000 per microlitre) was found in majority of the cases.CONCLUSION:Cerebral malaria presentation in the highlands is similar to that among non-immune populations and is an acute fulminant illness presenting with coma, hyperparasitaemia, fever and convulsions in children with normal nutritional status.
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- Forsberg, Bertil, et al.
(författare)
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Childhood asthma in four regions in Scandinavia : risk factors and avoidance effects
- 1997
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Ingår i: International Journal of Epidemiology. - : Oxford University Press (OUP). - 0300-5771 .- 1464-3685. ; 26:3, s. 610-619
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The high and increasing prevalence of childhood asthma is a major public health issue. Various risk factors have been proposed in local studies with different designs.METHODS: We have made a questionnaire study of the prevalence of childhood asthma, potential risk factors and their relations in four regions in Scandinavia (Umeå and Malmö in Sweden, Kuopio in eastern Finland and Oslo, Norway). One urban and one less urbanized area were selected in each region, and a study group of 15962 children aged 6-12 years was recruited.RESULTS: The prevalence of symptoms suggestive of asthma varied considerably between different areas (dry cough 8-19%, asthma attacks 4-8%, physician-diagnosed asthma 4-9%), as did the potential risk factors. Urban residency was generally not a risk factor. However, dry cough was common in the most traffic polluted area. Exposure to some of the risk factors. such as smoking indoors and moisture stains or moulds at home during the first 2 years of life, resulted in an increased risk. However, current exposure was associated with odds ratios less than one.CONCLUSIONS: Our findings were probably due to a combination of early impact and later avoidance of these risk factors. The effects of some risk factors were found to differ significantly between regions. No overall pattern between air pollution and asthma was seen, but air pollution differed less than expected between the areas.
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