7 results on '"Lazić, Srdjan"'
Search Results
2. Prevalence of Borrelia burgdorferi sensu lato in Ixodes ricinus ticks and assessment of entomological risk index at localities in Belgrade.
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Krstić, Milena, Stajković, Novica, and Lazić, Srdjan
- Abstract
Background/Aim. The first case of human Lyme borreliosis (LB) in Serbia was recorded in 1987. The number of reported LB cases has increased in the past decade. The aim of this study was to estimate the density of Ixodes ricinus (I. ricinus) ticks, the prevalence of Borrelia burgdorferi sensu lato (B. burgdorferi) in them, and entomological risk index (ERI) at 19 Belgrade localities which were grouped into three categories (forests, park-forests, parks). The values of ERI were compared with the number of tick bites in humans. Methods. Ticks were collected monthly by using the flag hours method and the infection rate was determined by using dark field microscopy. The ERI value was calculated for each locality where the ticks were collected. The related data about tick bites was obtained from the patient protocol of the Institute of Epidemiology, Military Medical Academy, Belgrade. Results. The total number of collected ticks, the number of nymphs and the infection rates of the nymphs were significantly higher in forests (p < 0.05) than park-forests and parks. Statistically, the ERI value was significantly higher in forests than parks of Belgrade (2 = 7.78, p < 0.01). In March and July, the ERI value was also significantly higher in forests, than park-forests (p < 0.01) and parks (p < 0.01). May was the month with the highest ERI value in each ecological category (forests p < 0.05; park-forests p < 0.01; parks p < 0.001). However, the number of tick bites in humans did not correlate with ERI values. Conclusion. The obtained results indicate that the risk of tick bite and human exposure to B. burgdorferi sensu lato is present at all selected localities in Belgrade. For a more comprehensive Lyme disease risk assessment the method of entomological risk index assessment should be combined with other methods, taking into consideration all tick stages and the behaviour and habits of people who may get infected B. burgdorferi sensu lato. [ABSTRACT FROM AUTHOR]
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- 2016
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3. Pandemic influenza H1N1 outbreak in the Military School.
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Mladenović, Jovan, Čekanac, Radovan, Lazić, Srdjan, Jadranin, Željko, Dimitrije, Tasić, Nedeljković, Jasminka, and Pavlović, Miroslav
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INFLUENZA treatment , *MILITARY education , *EPIDEMIOLOGY , *SERUM , *POLYMERASE chain reaction - Abstract
Background/Aim. The first cases of the pandemic pH1N1 influenza virus infection was observed in the Unated States and Mexico in April 2009 and the first laboratory confirmed case in Serbia was registered in June 2009. The aim of this paper was to report on the investigation of the first confirmed outbreak of the 2009 pandemic H1N1 influenza in Serbia and to describe the clinical and epidemiologic findings from this investigation. Methods. Descriptive and analytical epidemiological methods were used. Data were collected from medical records of the Military School students and epidemiological questionnaire. Pandemic H1N1 infection was initially confirmed by the RT-PCR assay in nasopharyngeal and oropharyngeal swabs and subsequently by the complement fixation test in serum samples. Results. The attack rate of acute respiratory illness was 70.8% (204/288). Pandemic H1N1 virus infection was confirmed in 44 of 82 tested cases of acute respiratory illness (53.7%) The most common clinical manifestations of pandemic influenza H1N1 were fever (88.6%), cough (61.4%), malaise (38.6%), runny nose (36.4%), headache (29.6%), sore throat (20.5%) and muscle pain (15.9%). Conclusion. The findings from this investigation suggest that pandemic H1N1 influenza in a high military school was widespread but did not cause severe illness. [ABSTRACT FROM AUTHOR]
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- 2013
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4. Medical care of patients in the emergency department of the Military Medical Academy in Belgrade during the epidemic of COVID-19.
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Jovanović, Milan, Vukosavljević, Miroslav, Dinčić, Dragan, Ratković, Nenad, Perišić, Nenad, Ilić, Radoje, Lepić, Toplica, Šuljagić, Vesna, Jadranin, Željko, Lazić, Srdjan, and Rančić, Nemanja
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MEDICAL care , *COVID-19 pandemic , *EMERGENCY medical services , *COVID-19 , *OCULAR injuries , *MEDICAL personnel - Abstract
The largest number of tested and confirmed COVID patients, 32 (16.0%) PCR positive patients of 200 tested, were hospitalized at the Clinic for Infectious and Tropical Diseases of the MMA. In the case of a positive PCR test, a COVID-19 patient was transferred to the Clinical Center of Serbia, the main triage clinic designated exclusively for managing COVID-19 patients. The care of such patients requires large financial allocations for institutions that deal with COVID-19 patients. In order to protect our patients admitted to the hospital from the danger of potential entry of COVID-19 patients, the field hospital (admission-triage tent) has been set up in front of the entrance of the MMA Emergency Center. [Extracted from the article]
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- 2021
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5. Oral hygiene habits and prosthodontic treatment needs in younger adolescent population of Pančevo, Serbia.
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Pavlović, Maja, Jevremović, Danimir, Matijević, Dušanka, Vuković, Branislava, Borotić, Nenad, Jevremović, Ana, Tambur, Zoran, and Lazić, Srdjan
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ORAL hygiene , *ORAL habits , *TOOTH loss , *HIGH school students , *DENTAL extraction , *HABIT breaking , *FEAR of dentists - Abstract
Background/Aim. Dental status and oral hygiene habits are poor in young population living in deprived socioeconomic conditions. The aim of this research was to ascertain oral hygiene habits in adolescents attending high schools in urban area, determine the incidence of tooth loss at the age of 15-16 years and the gender difference. Methods. The epidemiological cross-sectional study included 234 randomly selected high school students. The research instruments were questionnaire (focusing on socio-demographic characteristics, habits, attitudes and behavior related to general and oral health) and clinical examination (tooth loss, normative need for prosthodontics restorations and presence of restorations). Results. Gender-related data comparison revealed that 32.5% of girls and 8.1% of boys had at least one tooth extracted (p < 0.05). Also, 56.2% of girls and 75.7% of boys brushed their teeth twice a day. Caries complications were identified as the indication for tooth extraction in 82.8% of participants. The data analysis confirmed the correlation between gender and tooth loss as well as treatment needs. Tooth loss was correlated with oral hygiene habits and reasons for dental visits. Treatment need was also affected by the reasons for tooth extraction and the absence of adequate prosthodontics therapy (p < 0.05). Conclusion. Sociodemographic conditions significantly influenced the number of participants with extracted teeth. A prosthodontic treatment need was influenced by the reasons for tooth extraction, adolescents' knowledge about the importance of adequate treatment and previous unpleasant experience. [ABSTRACT FROM AUTHOR]
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- 2019
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6. Assessment of Lyme disease risk by using the ecological risk index in the parks of Belgrade.
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Krstić, Milena, Stajković, Novica, Bokonjić, Dubravko, and Lazić, Srdjan
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LYME disease , *ECOLOGICAL risk assessment , *BORRELIA burgdorferi , *INFECTIOUS disease transmission , *HABITATS , *TICKS - Abstract
Background/Aim. Factors determining the risk of Lyme disease (LD) may be followed in terms of the type of habitat. The evaluation of the risk of Borrelia burgdorferi (B. burgdorferi) transmission in humans on Ixodes ricinus (I. ricinus) tick habitats is done by means of the ecological risk index, which determines the tick habitat, abundance and infection rate. The aim of this paper was to determine the value of ecological risk index (potential and actual risk – PR and AR) on green areas in 9 pаrks in Belgrade and establish the correlation of this index with tick bites in humans. Methods. Ticks were collected in parks by means of the flag hour method and examined for the presence of LD cause in dark-field microscopic analysis. Point values were assigned to certain parameters and potential and actual risk index evaluated for each habitat. The data on tick bites from the surveyed habitats were obtained from the Protocol of patients bitten by ticks of the Sector for Preventive Medicine, Institute of Epidemiology, Military Medical Academy in Belgrade. Analysis of variance (ANOVA), Tukey test and Pearson's coefficient were used in statistical analysis of data. Results. In Belgrade´s park habitats a high PR of B. burgdorferi transmission was determined, while AR for 4 habitats was categorised as PR, and limited for other 5 habitats. Statistically, in terms of AR values the following habitats were significantly different (p < 0.05): Hаjd Pаrk and Tаšmаjdаn; Hаjd Pаrk and Kаlemegdаn; Hаjd Pаrk and Pionirski Pаrk; Hаjd Pаrk and Bаnovo Brdo; Topčider and Tаšmаjdаn; Topčider and Kаlemegdаn; Topčider and Pionirski Pаrk; Topčider and Bаnovo Brdo Park. A statistically significant correlation (p < 0.05) between bites of adults and the number of bites of infected adults with the AR value was established. Conclusion. In parks of Belgrade, there is a limited AR of B. burgdorferi transmission on the average. The AR values vary from limited to the potential, depending on the ecological features of habitat, the number of collected ticks and their infection rate. In view of the correlation of AR with the bites in humans, this index is significant for assessing LD risk. [ABSTRACT FROM AUTHOR]
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- 2017
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7. Catheter-associated urinary tract infection in a surgical intensive care unit.
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Mladenović, Jovan, Veljović, Milić, Udovičić, Ivo, Lazić, Srdjan, Jadranin, Željko, Šegrt, Zoran, Ristić, Petar, and Šuljagić, Vesna
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URINARY tract infection diagnosis , *URINARY tract infection treatment , *NOSOCOMIAL infections , *INTENSIVE care units , *CATHETERIZATION , *LONGITUDINAL method - Abstract
Background/Aim. Because patients in intensive care units usully have an urinary catheter, the risk of urinary tract infection for these patients is higher than in other patients. The aim of this study was to identify risk factors and causative microrganisms in patients with catheter-associated urinary tract infection (CAUTI) in the Surgical Intensive Care Unit (SICU) during a 6-year period. Methods. All data were collected during prospective surveillance conducted from 2006 to 2011 in the SICU, Military Medical Academy, Belgrade, Serbia. This case control study was performed in patients with nosocomial infections recorded during surveillance. The cases with CAUTIs were identified using the definition of the Center for Disease Control and Prevention. The control group consisted of patients with other nosocomial infections who did not fulfill criteria for CAUTIs according to case definition. Results. We surveyed 1,369 patients representing 13,761 patient days. There were a total of 226 patients with nosocomial infections in the SICU. Of these patients, 64 had CAUTIs as defined in this study, and 162 met the criteria for the control group. Multivariate logistic regression analysis identified two risk factors independently associated to CAUTIs: the duration of having an indwelling catheter (OR = 1.014; 95% CI 1.005-1.024; p = 0.003) and female gender (OR = 2.377; 95%CI 1.278-4.421; p = 0.006). Overall 71 pathogens were isolated from the urine culture of 64 patients with CAUTIs. Candida spp. (28.2%), Pseudomonas aeruginosa (18.3%) and Klebsiella spp. (15.5%) were the most frequently isolated microorganisms. Conclusions. The risk factors and causative microrganisms considering CAUTIs in the SICU must be considered in of planning CAUTIs prevention in this setting. [ABSTRACT FROM AUTHOR]
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- 2015
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