Search for dissertations about: "long-term studies"
Showing result 1 - 5 of 2926 swedish dissertations containing the words long-term studies.
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1. Long-Term Tracheostomy : Outcome, Cannula care, and Material Wear
Abstract : Do people with long-term tracheostomy need hospital care? Which cleaning method is most appropriate for decontamination of inner cannulae? Are tracheostomy tubes changed for rational reasons? There is clearly a lack of evidence based research in this field and the clinical guidelines available are often based on local practice. A tracheostomy is a created opening in trachea to facilitate breathing. READ MORE
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2. Long-term studies of succession : Colonisation and seed banks
Abstract : Using data from long-term studies of the vegetation in two areas under primary succession, patterns of colonisation and the accumulated seed bank during plant succession were studied.At century-old small islands in Lake Hjälmaren, Sweden, the genetic structure of differently old populations of Moehringia trinervia and Lythrum salicaria was studied, using allozyme variation for M. READ MORE
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3. Supporting long-term production development : Towards production platforms
Abstract : With shrinking product life cycles and increasing competitive pressure, the traditional way of developing production systems is becoming obsolete. A longer-term perspective that considers the stream of product realisation projects to be implemented in the production system over its lifetime is required. READ MORE
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4. Long-term effects of acupuncture
Abstract : In a retrospective follow-up study, n=202, long-term pain relief (>6 months) after a course of acupuncture treatments was found mainly among patients with chronic nociceptive pain while patients with neurogenic or psychogenic pain did not benefit much. In a placebo-controlled randomised single-blind long-term study with independent observer of chronic nociceptive low back pain, n=50, it was found that acupuncture, was significantly superior to true placebo in all outcome measurements, even more than 6 months after the treatment series. READ MORE
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5. Long-Term Functional Psychosis : Epidemiology in Two Different Counties in Sweden
Abstract : This thesis is based on two independent studies, the first in Stockholm County (index year 1984; n=302), and the second, a replication and validation study, in Uppsala County (index year 1991; n=455).The general aim was to study all individuals with Long-term Functional Psychosis (LFP) within the two counties of Sweden from an epidemiological perspective and to perform specific studies on a subgroup of individuals with schizophrenia. READ MORE