Comput Math Methods Med - Comparison of organ location, morphology, and rib coverage of a midsized male in the supine and seated positions.

Tópicos

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Resumo

The location and morphology of abdominal organs due to postural changes have implications in the prediction of trauma via computational models. The purpose of this study is to use data from a multimodality image set to devise a method for examining changes in organ location, morphology, and rib coverage from the supine to seated postures. Medical images of a male volunteer (78.6 ? 0.77kg, 175cm) in three modalities (Computed Tomography, Magnetic Resonance Imaging (MRI), and Upright MRI) were used. Through image segmentation and registration, an analysis between organs in each posture was conducted. For the organs analyzed (liver, spleen, and kidneys), location was found to vary between postures. Increases in rib coverage from the supine to seated posture were observed for the liver, with a 9.6% increase in a lateral projection and a 4.6% increase in a frontal projection. Rib coverage area was found to increase 11.7% for the spleen. Morphological changes in the organs were also observed. The liver expanded 7.8% cranially and compressed 3.4% and 5.2% in the anterior-posterior and medial-lateral directions, respectively. Similar trends were observed in the spleen and kidneys. These findings indicate that the posture of the subject has implications in computational human body model development.

Resumo Limpo

locat morpholog abdomin organ due postur chang implic predict trauma via comput model purpos studi use data multimod imag set devis method examin chang organ locat morpholog rib coverag supin seat postur medic imag male volunt kg cm three modal comput tomographi magnet reson imag mri upright mri use imag segment registr analysi organ postur conduct organ analyz liver spleen kidney locat found vari postur increas rib coverag supin seat postur observ liver increas later project increas frontal project rib coverag area found increas spleen morpholog chang organ also observ liver expand cranial compress anteriorposterior mediallater direct respect similar trend observ spleen kidney find indic postur subject implic comput human bodi model develop

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