The nonweighted Cohen K statistic was used to estimate intrarater
and interrater reliability by Society for Fetal Urology grade and training level.
Results: Staff and trainee raters independently assigned Society for Fetal Urology grades to 50 patients (99 renal units). The average number of images per ultrasound was 41, including the right and left kidneys. Overall interrater agreement for staff individuals was substantial for grade 0, moderate for grades 1, 2 and 4, and only slight to fair for grade 3. Intrarater agreement was substantial to almost perfect for staff agreement (range 69% to 94%, kappa 0.56 to 0.89) and trainees (range 63% to 90%, kappa 0.48 to 0.85).
Conclusions: Our study suggests that the Society for Fetal Urology grading system has good intrarater but modest interrater reliability. Individual rater interpretations of the grading system may explain the modest interrater Ivacaftor molecular weight agreement. Proposed modifications learn more to the Society for Fetal Urology classification system, such as distinguishing between diffuse and segmental cortical thinning, may improve reliability.”
“It was found that microdialysis, i.e., passage of aqueous solutions of iron-N-methyl-D-glucamine dithiocarbamate complexes through dialysis fibers implanted into heart, kidney and liver tissues of narcotized rats, was accompanied by effective binding of the complexes to nitric oxide from interstitial
fluid. The walls of dialysis fibers used in this study
were permeable for compounds with molecular weight not exceeding 5 kDa. The dialyzate samples collected every 20 min and containing diamagnetic nitrosyl Fe(3+)-MGD adducts were reduced to the paramagnetic state with sodium dithionite; their concentration was measured by the EPR method. The basic level of the adducts, which represented mononitrosyl iron complexes with MGD (MNIC-MGD), in the dialyzate samples of all tested organs were similar (1 mu M). Treatment of animals with the water-soluble nitroglycerine analog Isoket or a low-molecular dinitrosyl iron thiosulfate complex as a NO donor increased the concentration of MNIC-MGD with going out into a plateau. The novel approach allows determination of nitric oxide levels in tissue interstitial fluid from concentration of MNIC-MGD formed during microdialysis. (C) 2008 Elsevier Inc. All rights reserved.”
“Purpose: Oxymatrine Recurrent ureteropelvic junction obstruction after open pyeloplasty is a serious complication for which treatment remains challenging. We identified risk factors for persistent obstruction.
Materials and Methods: We retrospectively reviewed the charts of 401 children who underwent open dismembered pyeloplasty between 1997 and 2005. Of these children 21 (5.2%) experienced recurrent ureteropelvic junction obstruction. Age, prenatal diagnosis, hydronephrosis grade, differential renal function, incision location (flank or dorsal lumbotomy), retrograde pyelography and stent placement were analyzed.