1821. Metode v nuklearni medicini v diagnostiki raka dojkTadeja Movrin, 1998, review article Abstract: Mamografija in ultrazvok sta v svetu in pri nas metodi izbora pri odkrivanju raka dojke. Pri bolnicah z gostimi dojkami, s cistično spremenjenimi, s fibrozno displazijo in nekaterimi drugimi spremembami pa ti dve metodi nista več zanesljivi. Novejše raziskave kažejo, da je izotopna mamografija z 99mTc MIBI (methoxyisobutylisonitrile), ki temelji na biokemičnih in fizioloških osnovah tumorja, dovolj dobra preiskava, da bo ta vrzel zapolnjena. Published in DiRROS: 24.11.2023; Views: 258; Downloads: 91 Full text (220,10 KB) |
1822. Pregled slikovnih diagnostičnih metod pri boleznih dojkMaksimiljan Kadivec, Tomaž Vargazon, Kristijana Hertl, 1998, review article Abstract: Zgodnja diagnostika raka na dojkah je zelo pomembna za prognozo bolezni. Zato z različnimi diagnostičnimi metodami skušamo čimprej odkriti raka na dijki. Temetode so klasična mamografija, kseromamografija, digitalna mamografija, slikanje dojk z magnetno resonanco, ultrazvok dojk, Dopplerski ultrazvok dojk,računalniška tomografija dojk, digitalna subtrakcijska angiografija dojk,termografija dojk, nuklearno medicinske diagnostične metode dojk, v razvoju je optična mamografija (CT laser mamography, presvetlitvena mamografija) Published in DiRROS: 24.11.2023; Views: 340; Downloads: 100 Full text (330,10 KB) |
1823. Retinal venular vessel diameters are smaller during ten days of bed restAdam Salon, Göktuğ Mert Çiftci, Damir Zubac, Boštjan Šimunič, Rado Pišot, Marco Vicenzo Narici, Per Morten Fredriksen, Benedicta Ngwenchi Nkeh-Chungag, Harald Sourij, Nandu Goswami, 2023, original scientific article Abstract: Older individuals experience cardiovascular dysfunction during extended bedridden hospital or care home stays. Bed rest is also used as a model to simulate accelerated vascular deconditioning occurring during spacefight. This study investigates changes in retinal microcirculation during a tenday bed rest protocol. Ten healthy young males (22.9± 4.7 years; body mass index: 23.6± 2.5 kg·m–2) participated in a strictly controlled repeated-measures bed rest study lasting ten days. High-resolution images were obtained using a hand-held fundus camera at baseline, daily during the 10 days of bed rest, and 1 day after re-ambulation. Retinal vessel analysis was performed using a semi-automated software system to obtain metrics for retinal arteriolar and venular diameters, central retinal artery equivalent and central retinal vein equivalent, respectively. Data analysis employed a mixed linear model. At the end of the bed rest period, a signifcant decrease in retinal venular diameter was observed, indicated by a signifcantly lower central retinal vein equivalent (from 226.1 µm, CI 8.90, to 211.4 µm, CI 8.28, p= .026), while no signifcant changes in central retinal artery equivalent were noted. Prolonged bed rest confnement resulted in a signifcant (up to 6.5%) reduction in retinal venular diameter. These fndings suggest that the changes in retinal venular diameter during bedrest may be attributed to plasma volume losses and refect overall (cardio)-vascular deconditioning. Keywords: eyes, retinal venular vessel, venske žile, bed rest, gibalna neaktivnost Published in DiRROS: 23.11.2023; Views: 814; Downloads: 196 Full text (1,07 MB) This document has many files! More... |
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