مسعود حقانی

Working cloth is one of the most important personal protective equipment for workers and the military, and its proper selection for hot and dry areas plays an important role in heat exchange and balance between the human body and the environment. Therefore, this study was conducted to evaluate the heat transfer and comfort of fabrics and the optimal selection of fabrics for military personnel and workers in hot and dry areas.

This experimental study was carried out on 16 types of common fabrics of military personnel and workers in hot and dry areas. This fabric has a combination of 4 texture patterns and 4 types of percentage of a combination of cotton and polyester. The fabrics were evaluated in terms of air permeability and water vapor permeability, water absorption, equivalent pore radius, thermal conductivity, tear resistance, and bending stiffness of the machine. Finally, the optimal fabric was selected by combining multivariate decision-making and hierarchical analysis (AHP-TOPSIS) and compared with other fabrics using SPSS 16 software.

The results of AHP-TOPSIS showed that the fabric with a combined share of 65% cotton and 35% polyester with a texture of 1/2 shows the optimal behavior in terms of comfort characteristics and heat transfer of the fabric. In a texture of 1/2, the average amount of water absorption, bending stiffness and thermal conductivity in 35% polyester and 65% cotton fabrics are not significantly different from 100% cotton fabrics (P>0.05). Also, the average amount of air and water vapor permeability and tear resistance in 35% polyester and 65% cotton fabrics are not significantly different from 65% polyester and 35% cotton fabrics (P>0.05).  

The results of this study showed that the most optimal fabric for military personnel and workers in hot and dry areas has a composition of 65% cotton and 35% polyester and also has a texture of 1/2.

Carpal Tunnel Syndrome (CTS) is the most common neuropathy of the median nerve. There is enough empirical evidence to show that statins may have neuroprotective effect other than cholesterol reduction. In this research we investigated the effect of rosuvastatin on the clinical symptoms in patients with mild to moderate CTS.

In this interventional study, 50 patients with mild to moderate CTS participated in both treatment and control groups. Rosuvastatin 20 mg and placebo were administered daily to the treatment and control group respectively. The Nerve conduction study was performed on the third finger of all patients by two neurologists. The Visual Analogue is an acceptable scale to measure the amount of pain that a patient feels. Based on the electrodiagnosis method the neuropathy of the median nerve evaluated by measurements of the sensory and motor nerve conduction delay. The severity of symptoms and performance status of patients were also assessed by the Boston questionnaire.

The pain index in the treatment group after intervention was 3.91 ± 2.69 that showed a significant decrease (p = 0.025) compare to before intervention (5.8 ± 3.2), but there was no significant difference in terms of symptom severity and functional status before and after the intervention.

Rosuvastatin can be effective especially in reducing the pain associated with CTS. We believe this positive effect can have a marked effect on the patients' quality of life and reduce the pain-associated problems.

SARS-COVID-2 is a single-strand RNA, β-coronavirus strand that causes COVID-19 disease,which The virus has caused a worldwide epidemic. The new virus is responsible for the development of acute pneumonia and acute respiratory distress syndrome. Middle East Respiratory Syndrome is another type of coronavirus that originated in Saudi Arabia and has caused a regional epidemic. Despite some similarities between Covid 19 and other coronavirus-related diseases, some of its CT scan and clinical findings remain unknown. The aim of this study was to evaluate the differences between Covid 19 and Mers disease in different stages of the disease in terms of clinical aspects and CT scan.

For this review study, in order to identify related articles, among the databases of Pabmad, Google Sclar, Scopus and Web of Science with the keywords "COVID-19", "MERS-CoV", "Computed Tomography" and "Chest The search was completed and 30 articles were found. Among them, 21 English-language articles related to SARS were collected and relevant statistical information was collected.

At first glance, Covid 19 has a much lower mortality rate than MERS. The death rate is 3.2% in Corona and 4.24% in Mers. The most common radiological signs found in Covid 19 and Mercer are frosted glass (GGO), lung consolidation, and GGO coated lung consolidation. Fever, cough, headache and sore throat are the most common clinical symptoms of these two diseases and in the next categories of shortness of breath and ARDS are seen in patients with severe symptoms.

No statistically significant difference was seen in the mean number of chest CT scan findings between Covid 19 and MERS patients except in pleural effusion.

 Acute respiratory disease caused by the new coronavirus (COVID-19), which was identified in December 2019, is rapidly progressing and spreading in the world and has been identified by the World Health Organization as a major global threat. Therefore, the aim of this study was to determine and investigate the relationship between underlying diseases and hospitalization in intensive care units in patients with Covid-19 in Yasuj.

Among the patients referred to the infectious department of Shahid Jalil Hospital in Yasuj, 48 real positive patients were selected based on clinical diagnostic tests (RT. PCR diagnostic test). Determination of underlying diseases was based on self-declaration during the questionnaire as well as patientschr('39') clinical history.

Of the 48 patients admitted with COVID-19, 46% (23 patients) were reported to be patients with underlying disease, of which 20.83% were related to hypertension, 12.5% to diabetes, and 8.33% to ischemic heart disease (IDH), 4.34% had chronic obstructive pulmonary disease (COPD) and 2% had nominal disease. 20% of patients were admitted to the ICU. There was also a positive and significant relationship between hypertension, diabetes, myocardial ischemia and ICU admission.

Patients with any underlying disease had poorer clinical outcomes than those without the disease. More underlying diseases are also associated with poorer clinical outcomes and the need for hospitalization in the ICU.

Apron used in diagnostic radiology to protect worker and patients who are exposed to unnecessary ionizing radiation, is based on lead. Although, this protection can prevent the passage of X-rays used in diagnostic radiology, but a lot of research is found that lead is a toxic metal. Therefore, a lead-free shield should be built which can be protect workers and patients from unnecessary ionizing radiation.
In this method, the absorption edge of different metals in the range of the energy spectrum of diagnostic radiology was investigated. Then, with the effect of overlapping edges, different combinations of metals as input Monte Carlo simulation was considered. Information obtained from the Monte Carlo simulation defines how the composition and percentage metals can have maximum impact on reducing the transmission of X-rays from the shield.
Findings: The results showed that for building lead-free shields, using 20% tin, 15% of tungsten and 45% of 20% bismuth-based polymer emulsion Poly vinyl Chloride (EPVC) combination is the best options which can reduce X-rays in the range of diagnostic radiology.
Characterized by the use of absorption edge overlap effect in different metals we can build a lead-free shield that decreases the intensity of X-rays in the range of diagnostic radiology much better than lead shield.

Cannabis consumption during pregnancy may affect fetal growth, motor performance, memory and cognitive functions. Primiparous pregnant Wistar rats were randomly assigned to 4 treatment groups (6 rats per group) consisting of control and sham groups as well as 2 groups treated with Win. Win treated groups received daily s.c. injections of 0.5 or 1 mg/kg WIN suspended in 1% Tween 80 saline in a volume of 1 ml/kg from days 5 to 20 of pregnancy. Sham treated rats were given daily injections of 1% Tween 80 saline on the same days of pregnancy. Body weight, mortality, memory function and motor performance were assessed in the infants on the third, fifth and seventh weeks after birth. Righting responses in rat pups were also compared on the second day after birth. Offsprings from Win (1mg/kg) treated rats exhibited a significant loss in the righting reflex on the 2nd day after birth, when compared to other groups. However, there was no statistically significant difference between groups regarding motor coordination assessed by rotarod test on the 3rd and 5th weeks after birth. Passive avoidance learning (PAL) test on 50-day-old rats showed that during the acquisition trials, approach latencies were not significantly different among all groups. However, in retention trials, which were performed 24 h and 7 days later, the avoidance latencies of rats exposed to 0.5 mg/Kg Win were significantly shorter than those of the control and sham animals. Win consumption during pregnancy did not induce significant changes in the body weight of pregnant rats on the first day and three weeks after pregnancy. Litter size (number of pups per delivery) was significantly reduced in 1 mg/kg Wintreated compared to 0.5 mg/kg Win-treated, sham treated and control groups (p<0. 001). The length of pregnancy in 1 mg/kg Win-exposed rats was also significantly shorter compared to control (p<0.001), 0.5 mg/kg win-treated (p<0.01), and sham (p<0.0001) rats. These findings suggest that prenatal exposure to Win, a cannabinoid agonist, probably induces a longterm alteration of the endocannabinoid system, which in turn affects learning and motor coordination ability.