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Lejla Obradovic Salcin, Vesna Miljanovic Damjanovic, A. Jurčev Savičević, Divo Ban, N. Zenić

The prevalence of illicit drug misuse, including cannabis, in Croatian touristic regions is alarming. This study aimed to identify the prevalence of cannabis consumption (CC), to identify associations between sociodemographic and sport factors and CC, and to evaluate the predictors of CC initiation in adolescents residing in touristic regions. This study enrolled 644 adolescents from two touristic regions in Croatia (Split-Dalmatia and Dubrovnik-Neretva County) who were tested at baseline (16 years of age) and follow-up (18 years of age). The study instrument consisted of questions focused on predictors (age, gender (male, female), place of residence (urban or rural environment), familial social status, and different sport-related factors) and CC outcome. The results indicated a high prevalence of cannabis consumption (>30% of adolescents consumed cannabis), with a higher prevalence in males, and adolescents from rural communities. The prevalence of CC increased by 10% during the study period, with no significant differences between genders in trajectories of changes. Quitting sports was a risk factor for CC at baseline and follow-up. Better sport competitive results (odds ratio (OR): 0.80, 95% confidence interval (CI): 0.65–0.96) and familial social status (socioeconomic status: OR: 0.66, 95% CI: 0.39–0.91; maternal education: OR: 0.65, 95% CI: 0.48–0.88) were associated with lower likelihood of CC at baseline. The adolescents who reported better sport competitive results were at increased risk for initiation of CC during the course of the study (OR: 1.40, 95% CI: 1.03–2.01). The protective effects of sports at baseline were most likely related to various factors that prevent the consumption of substances in youth athletes (i.e., commitment to results, adult supervision); with the end of active participation, adolescent athletes are at high risk for CC initiation.

Nermin Hrnčić, Haris Hatibović, A. Goga, Đenad Hodžić

Aim To investigate outcomes of newborn hearing screening (NHS) with transient evoked otoacoustic emissions (TEOAE) depending on the time from the birth to hearing screening. Methods A prospective study was performed in the Cantonal Hospital Zenica, Bosnia and Herzegovina. The NHS with TEOAE was done before hospital discharge for all infants. The total of 1217 newborns were tested during a six-month period, from 1st February to 31st July 2016. The data of 1167 were available for analysis. Those data were divided in four groups depending on the time passed from the birth to hearing screening: Group A (n= 133 newborns, NHS performed in the first 24 hours after birth); group B (n = 294 newborns, NHS performed between 24-36h after birth); group C (n = 184 newborns, NHS performed between 36-48h after birth) and group D (n= 556 newborns, NHS performed later than 48h after birth). Results Total referral rate was 19.1% (n = 223): for group A 30.1% (n=40), for group B 25.2% (n=74), for group C 19.0% (n=35) and for group D 13.3% (n=74). There was statistically significant difference between groups A and C (p=0.03), between groups A and D (p<0.001) and between groups B and D (p<0.001) in total and in well baby nursery (WBN). Conclusion The total referral rates in NHS were high because of early post birth discharge of newborns. The NHS should be performed in infants older than 36 hours according to the results in this study.

Špela Pezdevšek Malovrh, D. Bećirović, Bruno Marić, J. Nedeljković, S. Posavec, N. Petrovic, M. Avdibegović

In recent decades, the concept of forest certification under the Forest Stewardship Council (FSC) has been widely adopted in selected Southeast European countries (Bosnia and Herzegovina, Croatia, Serbia, and Slovenia). As sustainability is traditionally recognised as a leading principle in the forest management doctrine in these countries, the aim of this study was to understand whether, and how, FSC forest certification contributes to the sustainable management of state forests. The research was carried out in two phases. First, in order to assess forest management compliance with FSC standard, non-conformities for the period 2014–2018, identified in audit Public Summary Reports, were analysed in all public companies that managed state-owned forests in selected countries. Further, in-depth, semi-structured interviews with the professionals responsible for forest certification in these companies were conducted (n = 11) to determine the contribution of forest certification to the economic, ecological, and social aspects of sustainable forest management. In total, 185 non-conformities were analysed. The results showed that FSC certification was successful in addressing certain problems in forest management practices and contributed to sustainable forest management, mainly covering social and ecological issues. The most frequently identified non-conformities were those related to FSC Principle 4 Community relations and worker’s rights (32.3% of all non-conformities) and Principle 6 Environmental impact (30.4% of all non-conformities). The contribution of FSC certification to sustainable forest management is mainly reflected in the following aspects: Worker’s rights; health and safety of employees; availability of appropriate personal protective equipment; consultation with local people and interest groups; awareness of environmental impacts of forestry operations; waste disposal and storage of fuel; improving the image of forest companies and maintenance of high-conservation-value forests. The majority of non-conformities were minor and required procedural changes to be closed. Moreover, there are no statistically significant differences between the countries with regard to the number of non-conformities for all principles. It can be concluded that FSC certification, as a market-driven mechanism, plays an important role by influencing forest management practices and business operations of public forest companies in a positive manner.

M. Rao, E. Omerdic, Admir Kaknjo, D. Toal, T. Newe

The IoT makes communication possible between anything and adds the dimension “Any THING communication” to the Information and Communication Technologies (ICTs), which has already provided the “Any TIME” and the “Any PLACE” communication. With the impressive growth forecasts, the IoT is raising many challenges including information security and privacy issues, these need to be resolved to get maximum potential benefits from it. Observers see the IoT as a revolutionary fully interconnected ‘smart’ world of progress, but other thinking about the IoT is that it represents a darker world of surveillance, privacy and security violations, because in the IoT environment ‘Everything’ will be accessible through the Internet. This work presents a LabVIEW-FPGA based implementation of authenticated encryption, which can be used in an IoT environment using BITW technique.

L. Čalkić, Lejla Bajramović-Omeragić, Adnan Mujezinović

Aim To describe a case of an eight-year-old boy with chronic Epstein-Barr virus (EBV) hepatitis with incipient cirrhosis, rarely found in practice. Methods The diagnosis was based on findings of specific IgG serum antibodies and EBV positive liver biopsy. Other etiologies of hepatitis were excluded: autoimmune hepatitis, viral hepatitis A, B, or C, cytomegalovirus (CMV), herpes simplex virus (HSV), adenovirus infection, toxoplasma infection. Results A mild form of infectious mononucleosis with acute hepatitis without icterus was found in the boy first time at the age of three. He got sick again in april 2018 with fever, minor loss of appetite and weakness, skin and sclera were anicteric, no enlarged neck lymph nodes. Ultrasonography of the spleen revealed a spleen diameter of 10.7 cm, while the liver was 11.8 cm. Laboratory findings, sedimentation, blood count, C reactive protein (CRP) were all normal. Ten days and a month later an increase of aminotransferase was noticed. The liver biopsy and PCR EBV DNA were performed six months of disease onset. The disease had lasted for about one more year with loss of strength and an increase of aminotransferase with maximum value of 3-4 times higher than normal one. The therapy was supportive. Conclusion Chronic EBV hepatitis is very rare. In differential diagnosis of hepatitis and unclear febrile conditions, EBV infection should not be forgotten.

A. Mandić, M. Mihaljević, Marijo Leko, J. Primorac, J. Beljo

Today's grapevine assortment in Bosnia and Herzegovina is the result of several evolutionary, agroecological and historical factors. One of them is the proximity of Dalmatia as a wine-growing area, from which some cultivars were transferred and adapted to the breeding conditions of Bosnia and Herzegovina. Over the course of time, cultivars migrated from one area to another. As a result, some cultivars retained the same name in both production areas, while others were given another name. Within the program of collection and maintenance of autochthonous grape cultivars in Bosnia and Herzegovina, more than 35 genotypes were collected. For reliable grapevine germplasm characterization and identification, genetic analysis of nine standard microsatellite loci was performed. Based on the microsatellite profiles obtained, cluster analysis was carried out and mutual relations were represented by a UPGMA dendrogram. Several synonyms and homonyms have been identified among the analyzed genotypes. Comparison of genetic profiles from Bosnia and Herzegovina and Croatia also identified synonyms and homonyms within these two groups, and confirmed strong connections with the Dalmatian wine-growing region.

Leonardo Khaoê Giovanetti, Lisandro Tomas da Silva Bonome, Henrique von Hetwig Bitterncourt, Matheus Felipe Kruppa, É. D. Souza, Heitor Flores Lizarelli

D. Sjödin, V. Parida, Marin Jovanovic, I. Visnjic

This study argues that the shift to open business models relies on aligning value-creation and value-capture activities through interactive processes that involve both provider and customer. Yet, l...

Zoran Ereiz, Denis Music

The fact that since March 2018 Agile is included in the Project Management Body of Knowledge (PMBOK), indicates the importance of this methodology in project management. Scrum as the one of the most accepted Agile forms emphasizes the importance of Scrum Master who has many responsibilities: teaching, coaching, mentoring the team, removing impediments, acting as a protector of the team, etc. However, many companies assign this role as additional work to a team member, a project manager or even to an executive. Guided by the impression that the role of Scrum Master is not fully recognized and appreciated, this paper will attempt to determine the potential risk of not having a dedicated Scrum Master within an agile team. As a research tool, we used interviews and online surveys with employees of companies that use Scrum.

Aim To compare hospital costs of acute limb ischemia treatment in two periods of time and to show evidence of long-term repercussions on reducing costs during successful treatment. Methods Retrospective analysis of data obtained from 100 patients' medical history in the period 2000-2016 at the Clinic of Vascular Surgery Sarajevo: group A - 60 patients with acute limb ischemia in the period 2005-2016 and group B - 40 patients with acute limb ischemia (ALI) in the period 2000-2005. From 2000 to 2005 conservative treatment method was used, invasive diagnostic and surgical procedures were often delayed for a shorter or longer period of time. During the period from 2005 to 2016, the management model and safe practice included emergency diagnostic procedures, colour-Doppler, arteriography, emergency surgery (embolectomy by Fogharty and if necessary, vascular by-pass). Results Better health service for the patients with acute limb ischemia was offered in the period 2005-2016, which relied on proven medical treatment trends. The largest share of the total costs of each patient included costs of hospital bed with significant difference between the period 2005-2016 and 2000-2005, mean of 1398.71 KM and 2480.45KM, respectively (p<0.0001), indicating rationalization of time that patients spend at the Vascular Clinic. Conclusion This trend of money/fund savings is an example of good practice, effectiveness and efficiency in the treatment of ALI and as such was used in patients with other vascular diseases.

More than 200 men were killed at the Korićani Cliffs on Mount Vlašić in central Bosnia during the Bosnian war. The location of this mass grave remained unknown for a long time following the war, until 2008, when the Missing Persons Institute discovered a site containing the remains of approximately 60 individuals. Later, in September 2017, a new mass grave was identified at this location that had not been robbed and skeletal remains remained close to the location where the victims had died. This grave was also unique, by definition, as it was a primary inhumation site, but with a high degree of commingling and disarticulation, typical of secondary inhumation locations. The exhumation team found the first remains in this grave approximately one and a half meters beneath the rocks, while the extent of the commingling resulted in necessary modifications to standardized exhumation protocols. The search and recovery process primarily focused on skulls, groups of bones that remained in clothing, and any bones that were still connected to each other. In total, 86 skulls, 137 groups of bones that had at least 2 bones connected, and a couple of hundred small bones that could not be appointed to individuals, were retrieved. The material was taken to the Šejkovaca Identification Centre where the team took over 1,300 DNA samples for analysis and are now awaiting the results.

H. Gačanin, Erma Perenda, R. Atawia

In this paper, we propose a self-deployment strategy for non-stationary wireless extenders, where both back-haul and front-haul links are optimized. We present an artificial intelligence (AI) case based reasoning (CBR) framework that enables self-deployment with learning the environment by means of sensing and perception. New actions, i.e., extender positions, are created by problem-specific optimization and semi-supervised learning that balance exploration and exploitation of the search space. An IEEE 802.11 standard compliant simulations are performed to evaluate the framework on a large scale and compare its performance against existing conventional coverage maximization approaches. Experimental evaluation is also performed in an enterprise environment to demonstrate the competence of the proposed AI-framework.

Introduction: Achilles tendon injuries usually occur with abrupt movements at the level of the ankle and foot, and the consequence is the overload of the Achilles tendon. Aim: Examine the Achilles tendon load as a function of the landing angle, and find the critical point at which the tendon overload begins and when a further increase in the landing angle can lead to rupture. Methods: The study has a prospective character. The input data represent the anthropometric values of the respondents, who are professional basketball players in the senior national team of Bosnia and Herzegovina and were processed in the CATIA v5-6 software solution. Software data processing analyzed the landing angles and the transfer of force to the Achilles tendon. The end result is a regression curve, which projects the angle at which the Achilles tendon is overloaded, and indicates an increased risk of possible injury to the tendon itself. Results: The onset of overloading starts at an angle of 32.28° and at an angle of 35.75° the overloaded load occurs, indicating the need for the subject to change the position of the foot to prevent damage to the tendon itself. Conclusion: An angle of 35.75° is the critical point at which the Achilles tendons are overloaded at the very landing. Prevention of injury should go in the direction of practicing the feet for a particular position at the time of the landing, and in the direction to develop adequate footwear that would mitigate the angle at the landing.

Vanja Ćatić Kuko, Denis Music, Z. Vejzovic, Jasmin Azemovic

In order to support modern business environment, software engineering has a constant tendency to increase productivity and thus the quality of the software. When recruiting, a biography can tell a lot about an individual, about expertise to do a certain job, but that is often not enough. For this reason, a model for prediction of work habits based on personality types has been introduced in this paper. Through the results of the research, by analyzing the employees of the FitSoft company (Bosnia and Herzegovina), a statement has been made of the existence of a certain correlation between the types of personality and the way they perform their tasks. The purpose of testing personality types is to determine how an individual performs their daily activities, and which features give them the advantage of choosing and performing certain jobs. A proposed model for predicting employees’ habits inside agile software teams based on personality estimates should present a clear insight of all factors that are related to employees, their productivity and business results.

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