Indwelling urethral catheters are the most common cause of urinary tract infections (UTI), yet there is no direct evidence that technique of catheter insertion affects this. In a prospective study, 156 patients underwent preoperative urethral catheterisation, randomly allocated to 'sterile' or 'clean/non-sterile' technique groups. There was no statistical difference between the two groups with ...

Salt crust is a soil layer formed by the cementation of soluble salt on surface or inside with particles. The can alter soil’s ability to resist wind erosion. To explore characteristics different types crust, six kinds (CaCl 2 , KCl, Na SO 4 NaCl, CO 3 and NaHCO ) were selected contents (0.2, 0.5, 1, 2, 3, 4%) set up conduct experiment sandy crust. compares appearance, compressive strength, tou...

There is evidence indicating that improvements in infection control practice can reduce the incidence of healthcare-associated infection. This article explores the evidence base for glove use and aseptic technique. There is a lack of evidence regarding the influence of sterile versus clean gloves in clinical care. Therefore in practice, clean and aseptic techniques are often used interchangeabl...