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Search Results: 1 - 10 of 2949 matches for " Milan Jovanovi? "
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Blood pressure, heart rate and lipids in professional handball and water polo players
Jovanovi? Jovica,JovanoviMilan
Medicinski Pregled , 2005, DOI: 10.2298/mpns0504168j
Abstract: Introduction: Blood pressure, heart rate and lipoprotein lipids are affected by family history, obesity, diet, smoking and physical activity habits. The aim of this paper was to estimate the values of blood pressure and heart rate in professional handball and water polo players before and after training and submaximal exercise test and to analyze the lipid state in these professional athletes in comparison with people who have never been in sports. Material and methods The investigation included 30 professional handball players, 30 professional water polo players and 15 men who have never been in sports (control group). All groups were matched for age, smoking habits, family predisposition to arterial hypertension and dyslipidemia. Results Between these groups there were statistically significant differences of blood pressure values and heart rate in the state of rest, after exercise test and after the training. There were also statistically significant differences of total cholesterol values, LDL cholesterol, triglycerides, HDL cholesterol, LDL cholesterol/HDL cholesterol ratio and total cholesterol/HDL ratio between these groups. Discussion Differences between these groups can be explained by various values of body mass index, by activity of lipoprotein lipase in athletes, by body position during the sports activity, by thermoregulatory vasoconstriction in the water, and by effects of hydrostatic pressure and reflex mechanisms during swimming. Conclusions Cardiovascular reaction in professional athletes depends on the type of sports activity, body position and medium during training. Professional athletes have a lower atherogenic risk than non-sportsmen. Changes of blood pressure and heart rate after submaximal exercise test are not the same as changes after training. .
Frequency of occupational injuries and the health status of workers
Jovanovi? Jovica M.,JovanoviMilan
Medicinski Pregled , 2004, DOI: 10.2298/mpns0412536j
Abstract: Introduction Occupational injuries are the leading cause of morbidity and mortality among workers. The aim of this study was to analyze the frequency of occupational injuries and health status of workers. Material and methods The examined group consisted of 3.750 workers with health disorders. The control group included 1.800 healthy workers. Both groups were similar in terms of many factors that could contribute to the occurrence of occupational injuries. The injury rates were calculated in both groups. Results Workers with psychomotor and sensorimotor disorders, neuroses, obstructive sleep apnea, arterial hypertension, diabetes mellitus, hearing, vascular and sight impairments have been frequently injured compared to workers with other diseases. Discussion Due to the belief that accidents and occupational injuries are preventable, it is an imperative to study those factors which are likely to contribute to occurrence of accidents. The contributing factors could be the physical and mental state of workers. Conclusion Occupational injuries are significantly more common in the examined group than in controls.
Neurotoxic effects of organic solvents among workers in paint and lacquer manufacturing industry
Jovanovi? Jovica M.,JovanoviMilan
Medicinski Pregled , 2004, DOI: 10.2298/mpns0402022j
Abstract: Introduction Organic solvents are chemically different compounds with one common feature: they dissolve fats, oils, resins, cellulose acetate and cellulose nitrate, which makes them widely used in industry. Most often organic solvents are used in paint and lacquer industries, in production of pesticides, plastics, explosives, rubber, cellulose, air conditioners, in pharmaceutical industry and in leather industry. The aim of this research was to analyze the working environment and professional hazards in paint and lacquer manufacturing industry and evaluate effects of chronic exposure to mixture of organic solvents on nervous system of exposed workers. Methodology The exposed group consisted of 50 workers professionally exposed to these noxae, while the control group consisted of 30 workers who have never been exposed to these noxae. Results Examination of working environment in departments of paint and lacquer manufacturing revealed presence of white spirit and toluene above allowed levels. Exposed workers more frequently complained of fatigue, hand numbness, enhanced excitation, and concentration difficulties, forgetfulness and headaches, than workers from the control group. Electroneurographic examination of n. medianus showed reduced motor and sensitive conduction velocity among exposed in comparison to workers from the control group. Reduced motor and sensitive conduction velocity was correlated with duration of exposure to these noxae. Terminal latency of n. medianus was statistically, significantly longer in the exposed group than in the control group. Workers in the exposed group have statistically significantly longer reaction time in response to acoustic and visual stimuli. Discussion Segmental demyelination and axonal degeneration, as forms of damage to peripheral nerves, were identified as responsible for peripheral neuropathy associated with occupational exposure to organic solvents. Conclusion Results of this study show possible neurotoxic effects of noxae detected in the phase of analysis of working conditions and working environment of examined workers.
Occupational stress and arterial hypertension
Jovanovi? Jovica M.,JovanoviMilan
Medicinski Pregled , 2004, DOI: 10.2298/mpns0404153j
Abstract: Introduction Arterial hypertension is an important medical, social and economic problem in the working population. Factors of occupational exposure lead to a much faster and more frequent occurrence of this disease and its consequential complications. Among these factors the following take an important place: noise, carbon monoxide, job dissatisfaction, microclimate conditions, chemical agents, shift work, night work, monotonous work and so on. The purpose of this study was to analyze working conditions, working environment, work demands and identification of occupational Stressors and their influence on development of arterial hypertension. Material and methods This investigation included 3470 workers and it examined technological processes, working time, job satisfaction, interpersonal relations and physical and chemical hazards of their workplaces. The exposed group consisted of 2270 workers occupationally exposed to Stressors. Control group included 1200 workers whose workplaces were without Stressors. Workers of exposed group were divided into 14 subgroups in regard to presence of occupational hazards. Results Arterial hypertension was established in 39.9% of workers of exposed group, which is statistically significantly more than in controls (25.7%). The highest prevalence of arterial hypertension was at workers who were dissatisfied with the job and who were at the same time occupationally exposed to noise and carbon monoxide. Family predisposition and smoking have cumulative effects with occupational hazards. Discussion Possible mechanisms of arterial hypertension development include activation of adrenergic nervous system, renin-angiotensin aldosteron system, higher concentrations of steroids, catecholamines and free radicals caused by occupational hazards. Conclusion Occupational Stressors are significant factors in development of arterial hypertension of exposed workers. The most important Stressors are noise, carbon monoxide and job dissatisfaction.
Ocular manifestation in canine leishmaniasis
Rali? Marjan,JovanoviMilan
Veterinarski Glasnik , 2011, DOI: 10.2298/vetgl1104269r
Abstract: This paper presents a case of ocular changes in leishmaniasis in a dog brought in for examination because of visible changes in the eyes. An ocular manifestation in leishmaniasis can be bilateral or unilateral. Changes most often occur on the conjunctive and the front segment of the eye, the cornea and iris. From 70 to 80% of dogs diseased with leishmaniasis exhibit frontal uveitis, and dry eye, keratoconjunctivitis sicca, is also a frequent finding. Based on the clinical picture and the positive immunochromatographic rapid test it was established that the dog was diseased with leishmaniasis.
Diagnosis of laryngeal carcinoma
JovanoviMilan B.
Medicinski Pregled , 2008, DOI: 10.2298/mpns0812591j
Abstract: Diagnostical problems of laryngeal carcinoma Carcinoma of the larynx is still a prognostic serious disease associated with high mortality. Survival rates for these tumors vary and depend on the presence of early symptoms, anatomic accessibility and lymphatic supply. Despite advances in therapy and novel surgical and non-surgical approaches, early diagnosis remains the best predictor of survival. Strategy and novel diagnostical procedures This article reviews the diagnosis for laryngeal carcinoma in an effort to heighten the clinical and endoscopic recognition of these lesions, providing also global overview of clinical conventional and recent endoscopic diagnostic tools for squamous cell type of carcinoma of the larynx. Screening of asymptomatic individuals would detect tumors at an early enough stage to patients' benefit. Conclusion The progress in the elucidation of the molecular genetic changes in these tumors should soon bring novel diagnostic procedures into the clinical practice. The review highlights the important advances of endoscopic, radilogical and molecular methods in detection of the tumor which may help clinicians to diagnose tumors as early as possible. TNM staging, biopsy and histopathological grading remain the gold standard for diagnosis of laryngeal carcinoma. A great number of novel endoscopical methods are only supplementary tools to microlaryngoscopy. Some of the most significant biological markers might be integrated with the evaluation of behavioral factors, clinical and histopathological examinations for a new clinicomolecular approach to laryngeal cancer.
Jovica Jovanovi,Milan Jovanovi,Mirjana Aran?elovi?
Acta Facultatis Medicae Naissensis , 2004,
Abstract: The aim of this study is to examine the epidemiolog ical characteristics of traumatic occupa tional injuries in rubber industry workers registered in the period between the 1993 and 2003. The occupational accidental work-place in juries are most frequent among young, less experienced workers. The injuries in occupational acci dents are most fre quent in May, on Mon day, between 8 am and 10 am. The most common type of occupational injuries were closed fractures, open fractures and dislocated fractures. Upper and lower extremities were the most frequently injured parts of the body in occupational injuries. These injuries resulted in 70.4 ± 5.8 days per injured worker, which is higher than in the literature data. These findingsare important for the control and prevention of occupational injuries in rubber industry.
Jovica Jovanovi,Milan Jovanovi,Mirjana Aran?elovi?
Acta Medica Medianae , 2003,
Abstract: The aim of this paper is the analysis of electroneurographic and neurological findings at workers in chemical industry. An analysis of the working conditions in the cartridge and drying sections of paint and lacquer industry has shown an above permitted level of white spirit and toluene. The exposed group comprised 55 workers occupationally exposed to these noxae, whilst the control group included 35 workers who had never been exposed to the same agents. The exposed workers more frequently complained of numbness of the arm and leg, cramps in the shoulder and knee, and weakness in the arm and leg than did the control workers. The electromyoneurographic examination of the radial nerve showed that a decrease in motor and sensitive conduction velocity was more significant in the exposed group compared to the control. The reduction in motor and sensitive conduction velocity was in correlation with the length of exposure to the noxae. Terminal latency of the radial nerve was significantly longer in the exposed group compared to the control, with an increase proportional to the exposure length. The exposed workers had a significantly longer time of response to acoustic and visual stimuli. The results of the study suggest neurotoxic effects of the noxae detected in the cartridge and drying sections of paint and lacquer industry.
The role of splenic implants in spleen injuries and postoperative immunity
JovanoviMilan M.,Jovanovi? Jovica M.
Medicinski Pregled , 2004, DOI: 10.2298/mpns0406265j
Abstract: Introduction Spleen preservation by autotransplantation is indicated in cases of injuries which result with conquassation or total devascularization of this organ. Material and methods Thirty dogs, experimental group, had multiple, devascularized spleen injuries and underwent splenectomy and splenic autotransplantation. The same number of animals were treated by primary splenectomy (control group). Seventy five days later, animals from both groups were exposed to pneumococcal sepsis - by intravenous inoculation of sublethal pneumococcal doses, in order to estimate the immunity of lienal implants and compare the mortality rate between these two groups. Results Positive hemoculture, as well as logarithmic increase of diplococci in blood samples was established in all 60 animals. Higher mortality rate and significantly higher pneumococcal growth was established in control, compared to experimental group. Conclusion These results point to the important role of lienal implants in total immunity and advantage of autotransplantation compared to conventional splenectomy, in cases of most severe and nonreconstructibile spleen injuries.
The influence of occupational stress on lipid status of road traffic professional vehicle drivers
Stefanovi? Violeta,Jovanovi? Jovica,JovanoviMilan
Medicinski Pregled , 2010, DOI: 10.2298/mpns1002057s
Abstract: Introduction. Professional stress can damage all organs and systems of exposed workers. The aim of this study was to assess the influence of occupational stress on lipid state of exposed professional drivers in road traffic. Material and methods. The atherogenic risk in vehicle drivers professionally exposed to stress was assessed by measuring total cholesterol, triglycerides, HDL-cholesterol and LDL-cholesterol. The examination included a group of 200 vehicle drivers professionally exposed to stress. The occupational stress index was calculated using the standardized questionnaire authorized by Karen Belkic. Serum lipid parameters were examined by standard methods. Results All lipid parameters increased with the occupational stress index values. Atherogenic risk increased with the values of occupational stress index too. Workers exposed to occupational stress index over the 90 were at the highest atherogenic risk. Conclusion. The highest occupational stress index and the highest values of total cholesterol, triglycerides and LDL-cholesterol were recorded in professional bus drivers at inter urban traffic.
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