Background & Aims of the Study: Needle stick injuries (NSIs) are one of the most causes that expose health care workers (HCWs) to blood infectious diseases such as hepatitis B, C and HIV. HCWs can reduce the rate of NSIs by performing protective procedures. This study was conducted to evaluate the needle stick exposure among health care workers in Razi hospital, Ahvaz, in 2015....

fine needle aspiration (fna) technique is a well-known procedure in the diagnosis of various organ diseases. this study was conducted to evaluate the utility of fna in the dianosis of neck masses. fine needle aspiration was performed upon 123 patients with palpable nonthyroidal lesions at neck during a five-year period. in ten cases, fna findings were nondiagnostic. from the reminder 113 patien...

Background Research predicting the public health and fiscal impact of Supervised Injection Facilities (SIFs), across different cities in Canada, has reported positive results on the reduction of HIV cases among People Who Inject Drugs (PWID). Most of the existing studies have focused on the outcomes of Insite, located in the Vancouver Downtown Eastside (DTES). Previous attention has not been af...

Background: Fine needle aspiration biopsy (FNAB) is usually used to distinguish the malignant and benign nodules. Applying a biopsy needle evokes a sense of fear and pain in the patients. Although some studies refute the usefulness of local anesthesia (LA) prior to fine needle aspiration biopsy, it is still debatable. This prospective cross-sectional study intended to evaluate the effect of LA ...

Recently, verifiable secret sharing schemes have been proposed to keep participants from providing fake or illegal stego-images. However, the schemes do not consider the recovery mechanism when parts of the information in stego-images are lost or incidentally modified during the transmission process. This paper presents a novel verifiable and reversible secret sharing scheme based on Shamir’s s...

the marked shift in the patterns of drug use in iran, from opium smoking to injecting drug use, has led to serious health-related outcomes. this study was designed to explore characteristics of people who inject drugs (pwid) in tehran, iran. nine hundred and four pwid were recruited from treatment and harm reduction facilities, as well as drug user hangouts in public areas in tehran. participan...

time sharing contracts are a new type of contracts relating to immovable property created in response to modern life necessities. the main feature of this type of contract is that the ownership of property is transferred to the buyer for a limited period of the year. unlike traditional sale contracts in which the buyer acquires the complete and continuous ownership of the property purchased, in...