Sažetak: Uvod: Jedan od najčešćih malignih tumora glave i vrata jeste karcinom larinksa. Totalna laringektomija dovodi do trajnog gubitka larinksa čime se narušavaju normalni anatomski odnosi u vratu, što izaziva poremećaj komunikacije i socijalne interakcije pacijenta. Cilj: Cilj ovog istraživanja je da se utvrdi koliki uticaj ima radioterapija na kvalitet života laringektomiranih pacijenata nakon vokalne rehabilitacije. Metod rada: U istraživanju je učestvovalo 50 pacijenata nakon totalne laringektomije. Starost ispitanika kretala se od 51 do 83 godine. Jednofaktorskom analizom varijanse (ANOVA) izvršeno je testiranje razlika između prosečnih postignuća na VHI i HNQOL skali pre i posle vokalne rehabilitacije. Ovim skalama možemo doći do informacije o stepenu govorne invalidnosti koju doživljava sam pacijent, zatim zadovoljstvom pacijenta primenjenim lečenjem ili tretmanom i uticaju koji ima vokalna rehabilitacija na kvaliteta njegovog života pre i nakon tretmana. Rezultati: U našoj studiji pacijenti koji su podvrgnuti radikalnoj hirurškoj intervenciji prijavili su bolji kvalitet života u poređenju sa pacijentima koji su bili podvrgnuti drugim kombinovanim modalitetima lečenja. Ustanovljeno je da statistički značajne razlike postoje na svim supskalama obe skale. Statistička značajnost definisana je na nivou verovatnoće nulte hipoteze od p ≤ 0,05 do p < 0,001. Zaključak: Uspešna vokalna rehabilitacija je važan faktor kvalitetnog života pacijenata nakon totalne laringektomije i predstavlja izlaz iz društvene izolacije. Ključne reči: tumori larinksa, laringektomija, vokalna rehabilitacija, kvalitet života, VHI skala, HNQOL skala

Thrombus aspiration during primary percutaneous coronary intervention (pPCI) has been used to improve myocardial perfusion through a re du ction of the thrombotic burden eventually resul ting with better clinical outcomes.1,2 After the initial enthusiasm derived from the mortality reduction shown in early randomized and observational studies,3-7 disa ppointing results have been yielded in more recent larger scale trials testing the routine use of thrombus aspiration in pPCI.8-12 As a consequence, this technique has lost its initial appeal and currently is often neglected or even considered as a useless by the interventional cardiologists. The recent meta-analysis by Jolly et al.13 conducted in more than 18,000 patients once again re in forces the evidence that overall there is no benefit in the routine use of thrombus aspiration during pPCI. However, it has the merit to shed light on the residual potential of this technique, which has pro bably been dismissed too quickly. First, there were no significant differences in the occurrence of cardio va scular events up to 1-year post-pPCI between patients treated conventio nally versus those treated with routine adjunctive thrombus aspiration. Of interest, in the sub group of patients with large angiographic thrombus burden (i.e., TIMI thrombus grade ≥3), thrombus aspira tion was associated with a significant reduction in cardiovascular death [2.5 % vs. 3.1 %; hazard ratio 0.80, 95 % confidence interval (CI), 0.65–0.98, P=0.03]. This meta-analysis in fact assessed data from the three lar gest randomized trials on this topic, namely Thrombus Aspiration during Percutaneous coronary intervention in Acute myocardial infarction Study (TAPAS),4,5 Throm bus Aspiration in ST elevation Myocardial Infarction in Scandinavia (TASTE)8,9 and

Investigation of the polycrystalline solar modules energy efficiency in relation to their tilt angle and geographical orientation in the real meteorological conditions are presented in this paper. The experimental system comprises five polycrystalline silicon modules, with single power 50 Wp, three of which are placed vertically and oriented towards the East, South and West, respectively, the fourth is horizontal, while the fifth is oriented toward the South at the angle of 33º (optimally inclined solar module). The measurement period was from 01 August to 01 December, 2014. The optimally inclined solar module generated the most of total monthly energy for all four months. The most of total monthly energy was generated in August, by the optimally inclined solar module (6.07 kWh), horizontal solar module (5.69 kWh), the vertical solar module oriented toward the East (2.42 kWh) and the vertical solar module oriented toward the West (2.52 kWh), respectively. Energy efficiency of optimally inclined solar module for the entire measurement period was 14.27%, 11.41% for the horizontal, 10.37% for the South, 5.79% for the East and 5.23% for the West module. The obtained results can be used in modern architecture, for the application of the solar modules as roof and façade elements.

This paper presents the effect of temperature and wind speed on physical characteristics of monocrystalline silicon solar modules, which are placed on the building of the Academy of Sciences and Arts of the Republic of Srpska in Banja Luka. Measurements of the solar modules were carried out by UI analyzer for photovoltaic PV-KLA and Mini PV-KLA. Meteorological parameters (temperature, wind speed and intensity of solar radiation) were measured using the automatic meteorological station Davis Vantage Pro-USA. This paper gives the results of comparisons between theoretically obtained energy efficiency and experimentally obtained energy efficiency of the monocrystalline silicon modules in relation to their characteristics.