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Is intravesical stent position a predictor of associated morbidity?
Dominik Abt,Livio Mordasini,Elisabeth Warzinek,Hans-Peter Schmid,Sarah Roberta Haile,Daniel Stephan Engeler,Gautier Müllhaupt 대한비뇨의학회 2015 Investigative and Clinical Urology Vol.56 No.5
Purpose: Temporary drainage of the upper urinary tract by use of internal ureteral stents is a common procedure that is often associated with a variety of symptoms. The role of intravesical stent position in associated morbidity is controversial. Materials and Methods: The German version of the ureteral stent symptom questionnaire (USSQ) was completed by 73 patients with an indwelling ureteral stent the day before stent removal. Intravesical stent position was classified into 3 categories by x-ray before stent removal. The influence of intravesical stent position on USSQ score was analyzed, including subscores and single items. Results: Intravesical stent position showed no significant influence on associated morbidity. The median USSQ total score in all patients was 77.5 (range, 30–147). Patients with ipsilateral stents (69.0; range, 30–122) tended to have lower total scores than did those with tangential (86.5; range, 30–122) or contralateral (77.0; range, 31–147) stents, but the differences were not statistically significant (p=0.35). The USSQ subscores for urinary symptoms (p=0.80), body pain (p=0.80), general health (p=0.16), work performance (p=0.07), additional problems (p=0.81), and all of the USSQ single items of interest in the context of stent length also did not differ significantly between the three groups. Conclusions: Intravesical stent position did not significantly influence associated morbidity in our study. An appropriate stent length should be chosen to avoid dislocation. However, complex calculations of optimum stent length, time-consuming manipulations, and costly stock holding of various stent sizes to obtain the perfect stent position do not seem worthwhile.
Exclusive electroproduction of two pions at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Ashery, D.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, Springer-Verlag 2012 The European physical journal. C, Particles and fi Vol.72 No.1
Measurement of beauty production in deep inelastic scattering at HERA using decays into electrons
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2011 European Physical Journal C Vol.71 No.2
Measurement of heavy-quark jet photoproduction at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2011 The European physical journal. C, Particles and fi Vol.71 No.5
Measurement of inelastic J/ψ and ψ′ photoproduction at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Arslan, O.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, Springer-Verlag 2013 Journal of high energy physics Vol.2013 No.2
Scaled momentum distributions for $ K_S^0 $ KS and $ \Lambda /\bar{\Lambda } $ in DIS at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2012 Journal of high energy physics Vol.2012 No.3
Inclusive-jet photoproduction at HERA and determination of α<sub>s</sub>
ZEUS Collaboration,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A.N.,Bar North Holland 2012 Nuclear physics, B Vol.864 No.1
Inclusive-jet cross sections have been measured in the reaction ep->e+jet+X for photon virtuality Q<SUP>2</SUP><1 GeV<SUP>2</SUP> and γp centre-of-mass energies in the region 142<W<SUB>γ</SUB><SUB>p</SUB><293 GeV with the ZEUS detector at HERA using an integrated luminosity of 300 pb<SUP>-1</SUP>. Jets were identified using the k<SUB>T</SUB>, anti-k<SUB>T</SUB> or SIScone jet algorithms in the laboratory frame. Single-differential cross sections are presented as functions of the jet transverse energy, E<SUB>T</SUB><SUP>jet</SUP>, and pseudorapidity, η<SUP>jet</SUP>, for jets with E<SUB>T</SUB><SUP>jet</SUP>>17 GeV and -1<η<SUP>jet</SUP><2.5. In addition, measurements of double-differential inclusive-jet cross sections are presented as functions of E<SUB>T</SUB><SUP>jet</SUP> in different regions of η<SUP>jet</SUP>. Next-to-leading-order QCD calculations give a good description of the measurements, except for jets with low E<SUB>T</SUB><SUP>jet</SUP> and high η<SUP>jet</SUP>. The influence of non-perturbative effects not related to hadronisation was studied. Measurements of the ratios of cross sections using different jet algorithms are also presented; the measured ratios are well described by calculations including up to O(α<SUB>s</SUB><SUP>2</SUP>) terms. Values of α<SUB>s</SUB>(M<SUB>Z</SUB>) were extracted from the measurements and the energy-scale dependence of the coupling was determined. The value of α<SUB>s</SUB>(M<SUB>Z</SUB>) extracted from the measurements based on the k<SUB>T</SUB> jet algorithm is α<SUB>s</SUB>(M<SUB>Z</SUB>)=0.1206<SUB>-0.0022</SUB><SUP>+0.0023</SUP>(exp.)<SUB>-0.0035</SUB><SUP>+0.0042</SUP>(th.); the results from the anti-k<SUB>T</SUB> and SIScone algorithms are compatible with this value and have a similar precision.
Measurement of isolated photons accompanied by jets in deep inelastic ep scattering
ZEUS Collaboration,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Arslan, O.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbae North-Holland Pub. Co 2012 Physics letters: B Vol.715 No.1
The production of isolated high-energy photons accompanied by jets has been measured in deep inelastic ep scattering with the ZEUS detector at HERA, using an integrated luminosity of 326 pb<SUP>-1</SUP>. Measurements were made for exchanged photon virtualities, Q<SUP>2</SUP>, in the range 10 to 350 GeV<SUP>2</SUP>. The photons were measured in the transverse-energy and pseudorapidity ranges 4<E<SUB>T</SUB><SUP>γ</SUP><15 GeV and -0.7<η<SUP>γ</SUP><0.9, and the jets were measured in the transverse-energy and pseudorapidity ranges 2.5<E<SUB>T</SUB><SUP>jet</SUP><35 GeV and -1.5<η<SUP>jet</SUP><1.8. Differential cross sections are presented as functions of these quantities. Perturbative QCD predictions give a reasonable description of the shape of the measured cross sections over most of the kinematic range, but the absolute normalisation is typically in disagreement by 20-30%.
Measurement of the energy dependence of the total photon-proton cross section at HERA
ZEUS Collaboration,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A.N.,Bar North-Holland Pub. Co 2011 Physics letters: B Vol.697 No.3
The energy dependence of the photon-proton total cross section, σ<SUB>tot</SUB><SUP>γ</SUP><SUP>p</SUP>, was determined from e<SUP>+</SUP>p scattering data collected with the ZEUS detector at HERA at three values of the center-of-mass energy, W, of the γp system in the range 194<W<296 GeV. This is the first determination of the W dependence of σ<SUB>tot</SUB><SUP>γ</SUP><SUP>p</SUP> from a single experiment at high W. Parameterizing σ<SUB>tot</SUB><SUP>γ</SUP><SUP>p</SUP>≃W<SUP>2ε</SUP>, ε=0.111+/-0.009(stat.)+/-0.036(syst.) was obtained.
Readability assessment of commonly used urological questionnaires
Patrick Betschart,Dominik Abt,Hans-Peter Schmid,Pascal Viktorin,Janine Langenauer,Valentin Zumstein 대한비뇨의학회 2018 Investigative and Clinical Urology Vol.59 No.5
Purpose: This study was performed to assess readability of the most commonly used questionnaires in urology including a separate analysis of their single-items to identify questions that might be especially demanding for patients. Materials and Methods: The guidelines of the European Association of Urology were screened for recommended questionnaires. Readability was analyzed for complete questionnaires as well as their single-items separately using well established readability assessment tools, including Flesch-Kincaid grade level (FKGL), Simple Measure of Gobbledygook grade level (SMOG), Coleman-Liau Index (CLI), Gunning-Fog Index, and the Flesch Reading Ease formula. Results: A total of 13 questionnaires were included to the analysis. Calculation of grade levels (FKGL, SMOG, CLI, FGI) showed readability scores of 2.7th to 16.7th grade. Easiest readability as calculated by median grade levels was found for the short form of the International Consultation on Incontinence Questionnaires-Female Lower Urinary Tract Symptoms short form (FLUTS-SF) while the short form of the International Index of Erectile Function (IIEF-5) showed the hardest readability. Based on the FKGL between 0% (FLUTS-SF) and 80% (IIEF-5) of the single-items were written above the recommended grade levels. Conclusions: The questionnaires that are used most frequently in urology mainly show a satisfactory overall readability. Inadequate readability levels were not only found for individual questionnaires but also for single-items of the majority of assessed questionnaires. This requires consideration for the interpretation of results and when developing novel health-related surveys.