منابع مشابه
A convenient way to avoid venipuncture and finger contamination.
To the Editor: Currently, phlebotomists using needles for withdrawing blood, giving intravenous (IV) injections, or inserting over-the-needle catheters customarily wear pairs of unsterile examination gloves to protect themselves from bloodborne pathogens. This is hazardous for patients, especially if the phlebotomist does not hand wash and scrub fingernails before gloving and uses an unsterile ...
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BACKGROUND AND OBJECTIVES Aerosolized droplets of blood can travel considerable distances on release of intra-abdominal pressure during laparoscopic surgery. This creates an environmental hazard for members of the surgical team. This study describes and provides a method of measurement of aerosolized blood contamination during evacuation of the pneumoperitoneum in laparoscopic surgery. METHOD...
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Woodpeckers are capable of repeated pecking on a tree at remarkably high decelerations (on the order of 10 000m s 2 or 1000 g). In this paper, I re-examine previous studies of pecking and scaling effects in brain injury. I find that there are three keys to woodpeckers’ ability to withstand high decelerations: their small size, which reduces the stress on the brain for a given acceleration; the ...
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The modern surgical endodontic treatment is a safe and predictable procedure with high success rate. However, several factors can retard or impede the proper healing process. Use of a high speed handpiece during hard tissues management (osteotomy and apical resection) can potentially be one of these factors. Formation of metallic debris from the surgical diamond burs, production of necrotic loc...
متن کاملAnterior chamber bacterial contamination in cataract surgery
BACKGROUND The incidence of postoperative endophthalmitis has reduced during last several years to <0.01%; however, its associated complications continue to be devastating. Several sources of infection, including contamination by air, solutions, surgical instruments, intraocular lens, and wound leakage have been identified. The objective of this study was to evaluate the surgical technique, ant...
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ژورنال
عنوان ژورنال: Nature
سال: 2019
ISSN: 0028-0836,1476-4687
DOI: 10.1038/d41586-019-00232-8