7 Result(s)
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Article
Open AccessIllumination matters part I: comparative analysis of light sources and illumination in flexible ureteroscopy-fundamental findings from a PEARLS analysis
Illumination characteristics of flexible ureteroscopes have been evaluated in air, but not in saline, the native operative medium for endourology. The aim was to evaluate light properties of contemporary urete...
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Article
Open AccessIllumination matters Part II: advanced comparative analysis of flexible ureteroscopes in a kidney model by PEARLS
The aim of the study was to evaluate illumination properties in an in-vitro kidney calyx model in saline.
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Article
Open AccessIllumination matters Part III: Impact of light obstruction on illuminance from flexible ureteroscopes — a comparative PEARLS analysis
Artifacts from poor ureteroscopes’ light design with shadowing and dark areas in the field of view have been reported. The aim was to quantify effects of light obstruction in a kidney calyx model.
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Article
Open AccessPulsed Thulium:YAG laser – What is the lithotripsy ablation efficiency for stone dust from human urinary stones? Results from an in vitro PEARLS study
The novel pulsed thulium:yttrium–aluminum–garnet (p-Tm:YAG) laser was recently introduced. Current studies present promising p-Tm:YAG ablation efficiency, although all are based on non-human stone models or wi...
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Open AccessPulsed thulium:YAG laser—ready to dust all urinary stone composition types? Results from a PEARLS analysis
To evaluate whether stone dust can be obtained from all prevailing stone composition types using the novel pulsed thulium:YAG (p-Tm:YAG), including analysis of stone particle size after lithotripsy.
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Article
Open AccessPopulation-based estimates of age and comorbidity specific life expectancy: a first application in Swedish males
For clinical decision-making, an estimate of remaining lifetime is needed to assess benefit against harm of a treatment during the remaining lifespan. Here, we describe how to predict life expectancy based on ...
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Open AccessHow to measure temporal changes in care pathways for chronic diseases using health care registry data
Disease trajectories for chronic diseases can span over several decades, with several time-dependent factors affecting treatment decisions. Thus, there is a need for long-term predictions of disease trajectori...
