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  • 1.
    Bjällmark, Anna
    et al.
    KTH, School of Technology and Health (STH), Medical Engineering.
    Gustafsson, U
    Brodin, Lars-Åke
    KTH, School of Technology and Health (STH), Medical Engineering.
    Waldenström, A
    Larsson, Matilda
    KTH, School of Technology and Health (STH), Medical Engineering.
    A system to quantify and visualize ventricular rotation pattern of the heart2009Patent (Other (popular science, discussion, etc.))
    Abstract [en]

    Different modalities have been used to describe the rotational motion of the ventricles of the heart and studies have indicated LV twist to be an additional integral component in LV function. So far, only amplitudes and timings of rotation have been reported, whereas no method is available to fully describe the rotation pattern of the ventricles. The object of the present application is to achieve a system that presents a novel way to quantify and visualize the ventricular rotation pattern of the heart. We present a novel method that assesses and describes the rotation pattern by calculating the rotation axis of the ventricle. Non- invasive image acquisition is required to collect rotation values from different positions of the myocardium. Thereafter, a kinematic model of a ventricle is constructed to determine the rotation planes at different levels of the heart. The motion of the rotation planes are visualized by plotting the normal vectors of the planes over time, i.e. the rotation axis of the planes. This new method is different to all other methods used today for assessing cardiac function, as it does not describe the amplitude of a motion but the relationship in motion between different parts within a ventricle. Preliminary results indicate that the rotation axis is more sensitive to changes in the rotation pattern than conventional measurements of ventricular rotation. This new method could be used for early detection of cardiac diseases and for selection of patients for and optimization of cardiac resynchronization therapy.

  • 2.
    Bohgard, Mats
    et al.
    Lunds universitet.
    Karlsson, Stig
    Luleå tekniska universitet.
    Lovén, Eva
    Linköpings universitet.
    Mikaelsson, Lars-Åke
    Mittuniversitetet.
    Mårtensson, Lena
    KTH, School of Industrial Engineering and Management (ITM).
    Osvalder, Anna-Lisa
    Chalmers tekniska högskola.
    Rose, Linda M.
    KTH, School of Technology and Health (STH), Ergonomics (Closed 20130701).
    Ulfvengren, Pernilla
    KTH, School of Industrial Engineering and Management (ITM).
    Designing work and technology on human terms2009In: Work and technology on human terms / [ed] Bohgard, M., Karlsson, S., Lovén, E., Mikaelsson, L.-Å., Mårtensson, L., Osvalder, A.-L., Rose, L., & Ulfvengren, P, Stockholm: Prevent , 2009, 1:1, 9-18 p.Chapter in book (Other (popular science, discussion, etc.))
  • 3.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Hur påverkar arbetsmiljön kvalitet och produktivitet?2009In: God arbetsmiljö: en framgångsfaktor?, Stockholm: Fritzes, 2009, 31-47 p.Chapter in book (Other (popular science, discussion, etc.))
  • 4.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Ledning genom styrning och genom delaktighet2009In: Mot ett förändrat ledarskap?: Om chefers arbete i team och processorienterad verksamhet / [ed] Per-Erik och Kock, Henrik, Lund: Studentlitteratur, 2009, 1, 127-138 p.Chapter in book (Other (popular science, discussion, etc.))
  • 5.
    Engkvist, Inga-Lill
    et al.
    Linköpings universitet.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Eklund, Mats
    Krook, Joakim
    Björkman, Mats
    Sundin, Erik
    Kihlstedt, Annika
    Planera, utforma och driva en återvinningscentral2009Book (Other (popular science, discussion, etc.))
  • 6.
    Halldin, Peter
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Kleiven, Svein
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Improved helmet design and test methods to reduce rotational induced brain injuries2009Conference paper (Other (popular science, discussion, etc.))
  • 7. Karlsson, Stig
    et al.
    Osvalder, Anna-Lisa
    Rose, Linda
    KTH, School of Technology and Health (STH), Ergonomics.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Design processes2009In: Work and technology on human terms / [ed] M Bogard et al, Prevent , 2009Chapter in book (Other (popular science, discussion, etc.))
  • 8.
    Lagerström, Gunnar
    et al.
    Prevent.
    Rose, Linda M
    KTH, School of Technology and Health (STH), Ergonomics.
    Lovén, Eva
    Linköpings universitet.
    Work environment and economics2009In: Work and technology on human terms / [ed] Bohgard, M., Karlsson, S., Lovén, E., Mikaelsson, L.-Å., Mårtensson, L., Osvalder, A.-L., Rose, L., & Ulfvengren, P, Stockholm: Prevent , 2009, 1:1, 633-658 p.Chapter in book (Other (popular science, discussion, etc.))
  • 9.
    Larsson, Tore J
    et al.
    KTH, School of Technology and Health (STH), Centres, Centre for Health and Building, CHB.
    Lundberg, Stefan
    KTH, School of Technology and Health (STH), Centres, Centre for Health and Building, CHB.
    Bygg bostäder för framtida vård2009In: VVS-forum : månadstidskrift inom VVS-branschen : officiellt organ för Rörfirmornas riksförbund, ISSN 0346-4644, no oktober, 2-5 p.Article in journal (Other (popular science, discussion, etc.))
  • 10.
    Osvalder, Anna-Lisa
    et al.
    Chalmers tekniska högskola.
    Rose, Linda M
    KTH, School of Technology and Health (STH), Ergonomics.
    Karlsson, Stig
    Luleå tekniska universitet.
    Methods2009In: Work and technology on human terms / [ed] Bohgard, M., Karlsson, S., Lovén, E., Mikaelsson, L.-Å., Mårtensson, L., Osvalder, A.-L., Rose, L., & Ulfvengren, P., Stockholm: Prevent , 2009, 1:1, 463-566 p.Chapter in book (Other (popular science, discussion, etc.))
  • 11.
    Rose, Linda M.
    KTH, School of Technology and Health (STH), Ergonomics.
    Arbetsmiljö och ekonomi: Vad kostar okunskapen?: Exempel på praktiskt användbara metoder och fallstudier från företag2009Conference paper (Other (popular science, discussion, etc.))
  • 12.
    Rose, Linda M.
    et al.
    KTH, School of Technology and Health (STH), Ergonomics.
    Mikaelsson, Lars-Åke
    Mittuniversitetet.
    Occupational injuries2009In: Work and technology on human terms / [ed] Bohgard, M., Karlsson, S., Lovén, E., Mikaelsson, L.-Å., Mårtensson, L., Osvalder, A.-L., Rose, L., & Ulfvengren,, Stockholm: Prevent , 2009, 1:1, 609-632 p.Chapter in book (Other (popular science, discussion, etc.))
  • 13.
    Rose, Linda M
    et al.
    KTH, School of Technology and Health (STH), Ergonomics.
    Neumann, W Patrick
    Ryerson Univeristy, Department of Mechanical and Industrial Engineering .
    Human Factors and the Bottom Line: Quantifying the Benefits of Healthy Workplaces2009Other (Other (popular science, discussion, etc.))
  • 14. Skjäveland, R.
    et al.
    van Rooij, L.
    Skines, A.E.
    Resell, J.
    Werenskiold, P.
    Lerheim, I.
    Linder, A.
    Kleiven, Svein
    KTH, School of Technology and Health (STH), Neuronic Engineering (Closed 20130701).
    Revised injury criteria and limits for the OLF LBP2 project2009Report (Other (popular science, discussion, etc.))
  • 15. Svensson, Lennart
    et al.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Randle, Hanne
    Aronsson, Gunnar
    Interaktiv Forskning: Tillämpningar vid utvärdering och arbetsmiljöutveckling2009In: Perspektiv på arbetsmiljöarbete, Halmstad: Halmstads Högskola , 2009Chapter in book (Other (popular science, discussion, etc.))
  • 16.
    von Holst, Hans
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering (Closed 20130701).
    Kleiven, Sveinsveink
    KTH, School of Technology and Health (STH), Neuronic Engineering (Closed 20130701).
    Ho, Johnson
    KTH, School of Technology and Health (STH), Neuronic Engineering (Closed 20130701).
    Non-invasive brain injury evaluation2009Patent (Other (popular science, discussion, etc.))
    Abstract [en]

    A non-invasive method for measuring intracranial pressure (ICP) is provided. A numerical model such as finite element model is developed in order to calculate the ICP, strain or stress for patients who suffers from hematoma, edema or tumor. The method can further provide local maximum principle strain that can provide information about possible subsequent brain injury, such as diffuse axonal injury, in sensitive region of the brain. Based on computer tomography or magnetic resonance images an individual diagnosis and treatment plan can be formed for each patient.

    (FR)L'invention concerne un procédé non invasif visant à mesurer la pression intracrânienne (ICP). Un modèle numérique tel qu’un modèle par éléments finis est développé afin de calculer l’ICP, la déformation ou la contrainte pour des patients souffrant d’un hématome, d’un œdème ou d’une tumeur. Le procédé peut en outre fournir le maximum local de déformation principale qui peut donner des informations concernant d’éventuelles lésions cérébrales subséquentes, comme des lésions axonales diffuses, dans une région sensible du cerveau. Sur la base d’une tomographie informatisée ou d’images par résonance magnétique, un diagnostic et un plan de traitement individualisés peuvent être formulés pour chaque patient.

1 - 16 of 16
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