Acute appendicitis in incarcerated groin hernias

W niniejszym artykule autorzy przedstawiają dwa przypadki chorych operowanych z powodu uwięźniętej przepukliny pachwinowej i udowej po stronie prawej, które zawierały wyrostek robaczkowy zmieniony zapalnie.We report two patients operated on due to incarcerated right inguinal and femoral hernia contained inflamed appendix

Comparison of gate leakage current components in metal-insulator-semiconductor structures with high-k gate dielectrics, Journal of Telecommunications and Information Technology, 2001, nr 1

Numerical simulations of the gate leakage current in metal-insulator-semiconductor (MIS) structures based on the transfer matrix approach were carried out. They show contribution of different components of this current in MIS structures with best known high-k dielectrics such as Ta2O5 and TiO2. The comparison of the gate leakage current in MIS structures with SiO2 layer as well Ta2O5 and TiO2 layers is presented as well. Additionally, the minimum Si electron affinity to a gate dielectric which allows to preserve given level of the gate leakage current is proposed

Percutaneous interventions in cardiology in Poland in the year 2014 : summary report of the Association of Cardiovascular Interventions of the Polish Cardiac Society AISN PTK

Introduction: The Board of the Association of Cardiovascular Interventions of the Polish Cardiac Society (AISN PTK) publishes annual data from the National PCI Registry (ORPKI) operated by the Jagiellonian University Medical College in Krakow. Aim: For the first time the AISN PTK report is based on the new electronic database implemented in Poland on January 1st, 2014. Material and methods: In 2014, there were 155 invasive cardiology centers registered in the ORPKI database (an increase by 1 center in comparison to 2013) and 92% of them had 24/7 percutaneous (PCI) duty. For the first time the number of catheterization laboratories (cath labs) in Poland remained stable, and even though there was an increase by 1 in absolute numbers, 2 cath labs ceased to admit patients in 2014. This means that the number of active cath labs per 1 million inhabitants is similar to last year and equals 4. Results: In comparison to 2013, there was a significant increase in the total number of coronary angiographies. There were 226 713 angiographies in 2014. The total number of PCI procedures was 126 241, which is 5.1% more than in 2013. Conclusions: There was a significant increase in the overall number of coronary angiographies and PCIs in Poland in 2014. The use of attributes of modern interventional cardiology such as drug-eluting stents and bioabsorbable vascular stents is growing as well as more frequent choice of a radial access site by PCI operators even in ST-elevation myocardial infarction patients. One should also note a significant rise in the use of additional imaging or diagnostic tools such as fractional flow reserve, intravascular ultrasound and optical coherent tomography

Safety and efficacy of embolic protection devices in saphenous vein graft interventions : a propensity score analysis-multicenter SVG PCI PROTECTA study

Background: Evidence concerning the efficacy of the embolic protection devices (EPDs) in saphenous vein graft (SVG) percutaneous coronary intervention (PCI) is sparse. The study was designed to compare major cardiovascular events of all-comer population of SVG PCI with and without EPDs at one year of follow-up. Methods and results: A multi-center registry comparing PCI with and without EPDs in consecutive patients undergoing PCI of SVG. The group comprised 792 patients, among which 266 (33.6%) had myocardial infarction (MI). The primary composite endpoint was major adverse cardiac and cerebrovascular event (MACCE) defined as death, MI, target vessel revascularization (TVR), and stroke assessed at one year. After propensity score analysis, there were no differences in MACCE (21.9% vs. 23.9%; HR 0.91, 95% CI 0.57–1.45, p = 0.681, respectively) nor in secondary endpoints of death, MI, TVR, target lesion revascularization (TLR) and stroke at one year in EPDs PCI group vs. no-EPDs PCI group. Similarly, there were no differences between groups in the study endpoints at 30 days follow-up. Conclusions: There were no clinical benefit for routine use of EPDs during SVG PCI in short and long-term follow-up. Further studies are warranted to explore the effect of individual types of EPDs on clinical outcomes