Endovascular management of acute embolic occlusion of the superior mesenteric artery: a 12-year single-centre experience
…, O Renc, M Strýček, P Dvořák, P Hoffmann… - Cardiovascular and …, 2016 - Springer
Purpose Retrospective evaluation of 12-year experience with endovascular management of
acute mesenteric ischemia (AMI) due to embolic occlusion of the superior mesenteric artery (…
acute mesenteric ischemia (AMI) due to embolic occlusion of the superior mesenteric artery (…
Focal nodular hyperplasia: spoke-wheel arterial pattern and other signs on dynamic contrast-enhanced ultrasonography
L Ungermann, P Eliáš, J Žižka, P Ryška… - European journal of …, 2007 - Elsevier
OBJECTIVE: To evaluate the prevalence of spoke-wheel pattern and typical symptoms of
focal nodular hyperplasia (FNH) by means of dynamic contrast-enhanced ultrasonography (…
focal nodular hyperplasia (FNH) by means of dynamic contrast-enhanced ultrasonography (…
Value of Doppler sonography in revealing transjugular intrahepatic portosystemic shunt malfunction: a 5-year experience in 216 patients
…, M Lojík, P Ryska, J Masková, P Hulek… - American Journal of …, 2000 - Am Roentgen Ray Soc
… The decline in these two parameters was more pronounced in the group of occluded shunts
(p < 0.001 for V max and p < 0.01 for flow volume) than in the group of stenosed shunts (p < …
(p < 0.001 for V max and p < 0.01 for flow volume) than in the group of stenosed shunts (p < …
The role of embolization in radical surgery of renal cell carcinoma spinal metastases
S Řehák, A Krajina, L Ungermann, P Ryška… - Acta …, 2008 - Springer
Background Radical surgery of renal cell carcinoma spinal metastases carries a high risk
due to potentially life-threatening extreme blood loss. Radical preoperative embolization of …
due to potentially life-threatening extreme blood loss. Radical preoperative embolization of …
Nakagami-Fuzzy imaging framework for precise lesion segmentation in MRI
… is calculated by: T P R = T P / P , where P is the number of real positive pixels. The real
negative values (N) could be derived from all pixels, by N = w h − P . Calculation of TPR also …
negative values (N) could be derived from all pixels, by N = w h − P . Calculation of TPR also …
Nakagami imaging and morphing for multiple sclerosis lesion volume estimation
O Alpar, O Soukup, P Ryska, R Dvorakova… - Expert Systems with …, 2024 - Elsevier
… The basic distribution has the following probability density function (pdf):(1) f ( r ; m , Ω ) = 2
m m r 2 m - 1 Γ m Ω m e x p - m Ω r 2 where r is a pixel on an image R and Γ m is the gamma …
m m r 2 m - 1 Γ m Ω m e x p - m Ω r 2 where r is a pixel on an image R and Γ m is the gamma …
Radiological markers of idiopathic normal pressure hydrocephalus: Relative comparison of their diagnostic performance
P Ryska, O Slezak, A Eklund, J Malm, J Salzer… - Journal of the …, 2020 - Elsevier
… All biomarkers studied were able to reliably differentiate iNPH subjects from HC (p < .001)
except for cella media-to-temporal horn ratio. Z-Evans index, vertical cella media and vertical …
except for cella media-to-temporal horn ratio. Z-Evans index, vertical cella media and vertical …
Low-contrast lesion segmentation in advanced MRI experiments by time-domain Ricker-type wavelets and fuzzy 2-means
Automated suspicious region segmentation has become a crucial need for the experts
dealing with numerous images containing contrast-based lesions in MRI. Not all solutions, …
dealing with numerous images containing contrast-based lesions in MRI. Not all solutions, …
[HTML][HTML] Previous lumbar spine surgery decreases the therapeutic efficacy of dorsal root ganglion pulsed radiofrequency in patients with chronic lumbosacral radicular …
…, J Vanasek, E Cermakova, J Zizka, P Ryska - Journal of Personalized …, 2023 - mdpi.com
… in the non-PSS group only (p = 0.014 and 0.021). The … (p = 0.25), as well as at three months
after treatment (p = 0.085). The difference six months after treatment was more expressed (p …
after treatment (p = 0.085). The difference six months after treatment was more expressed (p …
Prognostic impact of hemoglobin level prior to radiotherapy on survival in patients with glioblastoma
…, I Latr, S Nemecek, M Sercl, P Ryska… - Strahlentherapie …, 2003 - search.proquest.com
… of dexamethasone≤ 2 mg/day (p= 0.005) to be associated with … (p< 0.001), higher Hb level
(p= 0.002), lower dose of dexamethasone (p= 0.026), and a hemispheric tumor location (p= …
(p= 0.002), lower dose of dexamethasone (p= 0.026), and a hemispheric tumor location (p= …