objective: this study investigated tissue damages induced by chronic subcutaneous administration of nano- and microparticles of manganese dioxide (mno2) on the liver, kidneys and testes of rats. methods: rats (n=210) were divided into three groups: control, mno2 nanoparticle injected and mno2 microparticle injected. the experimental groups received subcutaneous injections with either nano- or m...

results hemostatic agents can establish hemostasis by means of different mechanisms, including concentrating coagulation factors, adhesion to the tissues, in which traumatic hemorrhage occurred, and delivering procoagulant factors to the hemorrhage site. presently, these hemostatics have been significantly improved with regard to efficacy and in adverse consequences, resulting from their use. s...

although it is not often thought of, elderly abuse is a frequently occurring phenomenon. especially when an older patient dies, maltreatment is low on the list of possible causes of death. there are, however, signs that may point in the direction of abuse. these can either be on the patient’s body, in the surroundings, or within the story as to how the patient died. attention should be paid to ...

cranial injury, as it is known today, is not a new concern of modern medicine. on stepping on the earth, the man was in reality encountered with various types of injuries, particularly those of a cranial nature. leading a life, whether wild or civilized, has always been associated with injuries for human race from the very beginning of birth. therefore, managing cases of this type has gradually...

conclusions this study confirmed a relatively high incidence of nssis among hcws. inadequate occupational health and safety measures such as lack of training on occupational health hazards and safety issues, absence of written protocols for reporting nssis, and lack of safety instructions were associated with nssis. effective training programs and raising the awareness of hcws to reduce unsafe ...

purpose taekwondo, as the most popular martial art among iranian sportsmen, might lead to injury for the athletes of this sport during competitions. we decided to report the incidence rate of injuries sustained by the athletes of this sport during national competitions. methods all competitions of iran national championship taekwondo league in 2006-2007 with 204 athletes were observed prospecti...

ABSTRACT Introduction: Professional aerobic exercises require high performance from exercisers. Injuries are common during their execution. Understanding the causal reasons is essential for prevention methods to reduce athletes’ injuries. Objective: Investigate influential factors of ligament injuries caused by exercise. Methods: This paper analyzes exercise through mathematical statistics. Tim...