Sökning: "fragile site"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden fragile site.

  1. 1. Fragility fractures in fragile people : epidemiology of the age quake

    Författare :Ulrica Bergström; Håkan Jonsson; Ulrika Pettersson; Hans Stenlund; Karl Obrant; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Fragility; fractures; elderly; epidemiology; age quake; population based; Vitamin D.; Orthopaedics; Ortopedi; Orthopaedics; ortopedi;

    Sammanfattning : Osteoporosis-related fracture is already today a major public health problem and the number of hip fractures is expected to double to 2030. Sweden has one of the highest hip fracture incidences worldwide. This may be explained by several factors: e.g. LÄS MER

  3. 2. Mental retardation in children : an epidemiological and etiological study of mentally retarded children born 1959-1970 in a northern Swedish county

    Författare :Hans K:son Blomquist; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Mental retardation; Incidence; Prevalence; Etiology; CNS handicap; Fragile site X chromosome; Maternal phenylketonuria; Late introduced dietary treatment; Intrauterine irradiation;

    Sammanfattning : In an unselected series of mentally retarded children in the county of Västerbotten, Sweden, the annual incidence of children with severe mental retardation (SMR) (IQ < 50) and alive at the age of one year decreased from 5.3 per 1,000 in 1959 - 1963 to 3.1 per 1,000 in 1967 -1970. LÄS MER

  4. 3. Chromosome aberrations and environmental exposures in acute leukemia

    Författare :Ragnhild Rosengren Lindquist; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Acute leukemia; chromosome 3; chromosome 8; fragile site; occupational exposure; mutagen exposure; case-control study; trisomy; benzene; organic solvent; petroleum; epidemiology; environmental carcinogens; painter; driver;

    Sammanfattning : The aims of this thesis are to evaluate the role of environmental exposures, especially professional exposure to organic solvents and petroleum products in the etiology of acute leukemia and to investigate if there is a correlation between the exposure to a specific leukemogen factor and a clonal chromosome aberration of the leukemic cells. Papers I and II present results of a case-control study of environmental exposures, in all occupations during life-time, medical treatments with medicines, chemotherapy and radiation, tobacco-use and the exposure to chemical compounds in private life in 120 patients with acute leukemia and of 120 controls, matched for age (+ 4 years), residence and sex. LÄS MER

  5. 4. Genetic and Environmental Influences on Bone and Fractures

    Författare :Helene Wagner; Karl Michaëlsson; Håkan Melhus; Nancy Pedersen; Kristina Åkesson; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; heritability; twin study; osteoporotic fractures; vertebral fractures; balance; bone mineral density; bone area; bone markers; Orthopaedics; Ortopedi;

    Sammanfattning : Sweden and Norway have the worldwide highest incidence of osteoporotic fractures. As these fractures constitute a tremendous and growing problem, primary prevention is of great importance. The principal causes of an osteoporotic fracture are a fall and a fragile skeleton. LÄS MER

  7. 5. On the impact of temperature perturbations on the creep of sensitive clay

    Författare :Yanling Li; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; thermal cycles; sensitive clays; oedometer tests; temperature; natural bonding; apparent preconsolidation pressure; multi-physics modelling; geothermal; static thermal loading;

    Sammanfattning : Temperature affects the soil response, but is not fully understood and quantified and thus often ignored. The temperature fluctuations resulting from energy foundations and construction activities, such as excavations and soil stabilization, however, may lead to changes in the hydromechanical response of the clay. LÄS MER