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Endoscopic ultrasound-guided drainage of peripancreatic fluid collections: What impacts treatment duration?

Hepatobiliary & Pancreatic Diseases International 2023年第3期22卷 310-316页

作者： adam przybyłkowski Piotr Nehring Department of Gastroenterology and Internal Medicine Medical University of WarsawWarsawPoland

Background:Peripancreatic fluid collections(PFCs)are complications resulting from acute or chronic pancreatitis and require treatment in certain clinical *** present study aimed to identify the factors influencing the duration of endoscopic ultrasound(EUS)-guided drainage of symptomatic pancreatic pseudocysts(PPCs),walled-off necrosis(WON),and acute necrotic collections(ANCs).Methods:This was a retrospective cohort study of 68 patients with PFCs who underwent EUS-guided *** timing and duration of EUS-guided drainage of various PFCs(ANC,WON,and PPCs)were compared,and the factors influencing the duration of endoscopic treatment were ***:The mean time to first EUS-guided PFC drainage since the acute pancreatitis episode was 372.0,505.0,and 18.7 days for WON,PPC,and ANC,respectively,and the mean duration of treatment was 90,60,and 63 days,respectively.A disconnected pancreatic duct,a history of percutaneous drainage,and an infected PFC were identified as factors influencing the treatment duration.A positive correlation was observed between the treatment duration and patients’*** with a disconnected pancreatic duct had to undergo more *** patients with PPC,clinically successful drainage was more frequently achieved after a single procedure without the need for repeated procedures than in those with WON(90%vs.59%,P=0.01).Conclusions:Patients with a history of percutaneous drainage,disconnected pancreatic duct,or PFC infection may require longer endoscopic treatment.

关键词： Cyst Drainage Endoscopy Pancreas Pancreatitis

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Microwave absorption properties of carbonyl iron-based paint coatings for military applications

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Defence Technology（防务技术） 2023年第4期22卷 1-9页

作者： Wojciech przybyl adam Januszko Norbert Radek Marcin Szczepaniak Krzysztof A.Bogdanowicz Ireneusz Plebankiewicz Bogusława Szczodrowska Robert Mazurczuk Military Institute of Engineer Technology ul.Obornicka 136Wrocław50-961Poland Kielce University of Technology Faculty of Mechatronics and Mechanical EngineeringAl.1000-lecia P.P.7Kielce25-314Poland

The paper explores the possibilities of using carbonyl iron in the form of a powder for the manufacture of radar-absorbing paints-reducing the radar signature of the objects that they *** attenuation values in the range of 4-18 GHz for various coating thicknesses,ranging from 0.5 to 2.00 mm with 0.5 mm increment,and for different absorber content-75%and 80%,as well as the use of two different binders in the form of epoxy resins with hardeners,were *** the frequency of 18 GHz and a 1.5 mm thick coating with a 75%absorber content,Epidian 112 resin and Saduramid 10/50 hardener used as a binder,and the maximum attenuation level obtained equalled 20.2 d B at 16 ***,the absorber particle size ranging from 3 to 4μm and its higher mass content resulted in achieving the reflection loss above-12 d B in the entire 8-12.5 GHz range for layers between 1-and 1.5 mm *** qualitative assessment of the tested samples in the context of camouflage in the radar range was also performed,using statistical analysis.

关键词： Radar Attenuation Carbonyl iron Coating Camouflage

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