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- Grönblom-Lundström, Lena, 1951-
(författare)
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Rehabilitation in light of different theories of health : Outcome for patients with low-back complaints - a theoretical discussion
- 2001
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this thesis was to investigate if the outcome of rehabilitation efforts is depending on what view health care has in relation to what need of care people have and if the outcome for different groups of patients with low-back complaints (specific versus non-specific complaints) is various successful. The outcome is measured in length of sick leave, number of spells and granted sickness and disability pensions.This thesis combines a theoretical analysis of different theories of health with studies of two empirical materials. One material comprises a group of individuals with low-back complaints (specific versus non-specific complaints) from a nation-wide survey of Living Conditions conducted by Statistics Sweden in 1981. The other material comprises a sample of individuals on sick leave either due to low-back complaints or other kinds of complaints than low-back complaints. The outcome of these studies are measured as to what extent people with low-back complaints are granted a disability pension (Paper III) and which the characteristics are of those on sick leave due to low-back complaints compared to those with other kinds of complaints (Paper IV). The results from Paper III revealed a difference concerning socio-economic group and granted disability pension between those with specific, non-specific and frequent low-back complaints. Those with non-specific and frequent low-back complaints were to higher extent manual workers and disability pensioners. The results of Paper IV reveals also a socio-economic difference besides that those with low-back complaints had longer sick leave periods and more spells. What does these results indicate? Are non-specific and frequent low-back complaints not successfully treated within the health care system? Is this due to how these matters have been identified? Are these individuals truly disabled due to their low-back complaints, if so how are they assessed and treated? I believe that the notions of health and disease as well as the social context in which people act influence the outcome of rehabilitation. If people judge their health as bad (here due to low-back troubles) and in need of health care and the health care system do not recognise their need when not identified as diseased a problem arises. These individuals claim that their ability to work is hampered due to the low-back complaint and the society has an obligation and needs a legitimate solution for those individuals that cannot support themselves due to ill health. This obligation makes a demand on the health care system.If non-specific complaints are assessed as non-medical problems, from a biomedical point of view, health care lacks measures to take care of these people if they ought to be taken care of within the health care system at all. But this outcome (a disability pension) may also indicate that people suffer from a “true” illness although not defined by objective findings. If that is the state one may ask if there is a lack of sufficient diagnostic procedures and measures as well. A rehabilitation approach stemming from a humanistic social perspective might lead to a more favourable outcome for people with low-back complaints, whether or not these complaints have been identified in a biomedical sense, as this perspective take into account both the goals, the resources and the social context of that individual. This thesis has paid attention to the matter that conceptual notions, which seldom are considered within clinical praxis, are of vital importance for the outcome of rehabilitation. Health care falls short especially when it comes to non-specific and frequent low-back complaints and this may be due to the biomedical model being used too strictly within a domain where other models, here exemplified as Pörn’s Theory of Health, might result in a more favourable rehabilitation outcome for the individual.
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- Moberg, My, et al.
(författare)
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Novel approach to the determination of structurally similar hydroxamate siderophores by column-switching capillary liquid chromatography coupled to mass spectrometry
- 2003
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Ingår i: Journal of Chromatography A. - 0021-9673 .- 1873-3778. ; 1020:1, s. 91-97
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Tidskriftsartikel (refereegranskat)abstract
- In this study a new approach to determine three different siderophores (ferrichrome, ferrichrysin, ferricrocin) in natural soil solutions as well as in cultures of fungi is presented. The method includes enrichment of the analytes on a short pre-column, packed with C18 material, and subsequent highly selective separation of the analytes on a capillary porous graphitic carbon (PGC) column. In contrast to normal C18 packing materials, porous graphitic carbon offers chromatographic resolution between the three very similar analytes. The selectivity of the method is enhanced even further by the electrospray ionization (ESI) mass spectrometric detection. The combination of a short pre-column and a packed capillary separation column results in a method with high sensitivity. Reported detection limits, defined as the concentration giving the signal-to-noise ratio 3:1, is 27.7 pM for ferrichrome, 46.1 pM for ferricrocin and 37.4 pM for ferrichrysin.
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- Rehn, Börje, 1967-
(författare)
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Musculoskeletal disorders and whole-body vibration exposure among professional drivers of all-terrain vehicles
- 2004
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Musculoskeletal disorders are common among professional driver groups. Ergonomic risk factors at work are often suggested as causative, aggravating or preserving. The general aim with this thesis is to investigate the association between musculoskeletal disorders and physical exposure with special with special focus on whole-body vibration (WBV), among professional drivers of all-terrain vehicles (ATVs). Drivers of ATVs are expsosed to high magnitudes of WBV and shock. This thesis included drivers of forest machines, snowgroomers and snowmobiles. A cross-sectional study revealed that ATV drivers had an increased risk of musculoskeletal symptoms in the neck-shoulder and thoracic regions, even after adjusting for age, smoking habits and psychosocial stress. Prevalence rates were in the range of 1.5-2.9 (CI:1.2-5.2) compared to an age-matched group from the general population. No group of ATV drivers had a significantly increased risk of low back pain. Trend analysis showed no association between symptoms and exposure time. A clinical investigation of a subgroup found that it was for ATV drivers with neck pain to have assymetrical and focal neuropathies, pure or in mix with a nociceptive disorder, in the neck and upper extremities (47-79%), which was in contrast to referents with neck pain who had more nociceptive disorders (27% prevalence of neuropathy). Two studies measured characteristics of seated WBV exposure in forest machines (forwarders), snowgroomers and snowmobiles. The magnitudes of WBV in ATVs, measured and analyzed according to ISO 2631-1, were between 0.5-3.5 m/s2 (frequency weighted vector sum), which was considered high compared to limits suggested by the international standard ISO 2631-1 and the physical agent directive from the Euoropean Union (0.5 m/s2, rms). Drivers of ATVs were exposed to horizontally directed WBV and shocks. Non-neutral neck postures are ergonomic risk factors that occured infrequently and with short duration. The magnitude of seated WBV in forwarder vehicles varied substantiálly depending on model, terrain condition and driver. This may result in different conclusions regarding health risk assessments. The main conclusion from this thesis is that musculoskeletal symptoms and disorders in the neck and upper extremities, among drivers of ATVs, may be a result of long-time exposure to shock-type and horisozontally oriented seated WBV.
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