Disturbances of thyroid function are often accompanied by cognitive and affective disorders. Assessment of cognitive status in the patients with subclinical hypothyroidism represents a possibility for early diagnostics of cognitive impairment and timely introduction of necessary pharmacotherapy treatment. The aim of this study was to quantify whether there are P3 event related potential (ERP) deviations as electrophysiological markers of cognitive activity in patients with subclinical hypothyroidism. P300 potentials were examined in thirty patients with subclinical hypothyroidism and in 30 healthy subjects of the control group. P300 was recorded using the classic auditory oddball paradigm, with 20% of target and 80% of non-target stimuli. The results analysis showed a significantly longer latency P300 and reduced amplitude P300 in subjects with subclinical hypothyroidism compared to euthyroid subjects. There is also a statistically significant negative correlation between the results of a mini mental state examination and the P300 latency at Fz electrode (r= -0.47, p <0.01) and Cz electrode (r= -0.43, p =0.017). P300 ERP is important in the evaluation of patients with subclinical hypothyroidism, due to the sensitivity in the detection cognitive disorders.

One of the best-studied responses of cognitive evoked potentials is a so-called “P300”, the late positive wave complex that occurs about 300-500 ms after the stimulus. It is obtained when the subject’s attention is focused on a signal that is rare, especially if the signal has a motivational or emotional meaning. In the study of P300 potential, we followed the variations of potential amplitude and latency, so the objective was to examine whether there is a difference in Fz and Cz amplitudes of auditory induced cognitive evoked P300 potential depending on the performance of oddball tasks, both in male and female subjects. The study included 60 subjects (30 female respondents and 30 male respondents). P300 potential is induced by the auditory "oddball" paradigm with 80% of non-target and 20% of target stimuli that are presented to the patient through headphones. The target tones are high tones of 2000 Hz. The standard, 1000 Hz tones the respondent should ignore but when he hears the target tones the respondent should press the button on the special handle. The value of Fz and Cz amplitudes both in male and female subjects obtained in the classical "oddball" paradigm when the subject reacted to the signal by pressing the key with the dominant (right) arm were statistically significantly lower (p>0,05) than the values of Fz and Cz amplitudes obtained when the key was pressed by the non-dominant hand. Based on this experiment it can be concluded that both in male and female subjects the performance of oddball tasks does not affect the amplitude of P300 cognitive evoked potentials.

The number of elderly with chronic kidney disease (CKD) is constantly increasing worldwide, and irregular screening of CKD leads to disease discovering usually in advanced stages. The aim of the study was to examine the presence of CKD biomarkers in the elderly primary care patients, and to analyze whether the presence of diabetes and hypertension in elderly increases the risk for microalbuminuria and reduction of glomerular filtration rate (GFR). Cross-sectional study included 90 patients older than 65 years of age who are registered in the Family medicine teaching centre of Health centre Bijeljina. Patients were divided into three groups: first consisted of 30 patients who had neither hypertension nor diabetes nor other chronic disease, second of 30 patients with type 2 diabetes mellitus and third of 30 patients with arterial hypertension. Data on patients were obtained by interview, analysis of medical records and physical examinations. Serum and urine creatinine, proteinuria, microalbuminuria (MAU, turbidimetry), and urinary sediment were analyzed. Biomarkers of chronic kidney disease (GFR <60 mL / min / 1.73m2, proteinuria and mikroalbuminurija<MAU) were found in 20 (22.2%) patients. Among them, 14 had normal GFR and MAU (12) or MAU and proteinuria (2), whereas 6 had GFR <60 mL / min / 1.73m2 of which 3 had proteinuria and / or MAU. The group with diabetes had significantly more MAU compared to the other two groups, while the groups with diabetes and hypertension had slightly more proteinuria and erythrocyturia than control group. Hypertension and diabetes in the elderly may result in development of CKD biomarkers, so prevention and regular screening of CKD in the patients with these two diseases are necessary.

Uz tradicionalne faktore rizika smatra se da i inflamacija doprinosi nastanku ishemičnog moždanog udara (IMU). U toku inflamacije neutrofilni leukociti se degranulišu, kada može doći do oslobađanja njihovog enzima mijeloperoksidze (MPO) u ekstracelularni prostor. Osim peroksidazme MPO poseduje i hlorinišuću aktivnost kojom stvara hipohlornu kiselinu i dugoživeće oksidanse hloramine. U ovoj studiji je određivana hlorinišuća aktivnost MPO i koncentracija ukupnih hloramina u serumu. U studiju je bilo uključeno 29 pacijenata sa akutnim IMU, starosti 69.0 godina (64.2–78.0), i 25 ispitanika kontrolne grupe bez IMU, starosti 69.0 godina (67.0–72.0). Nađeno je da je u grupi sa IMU broj neutrofilnih leukocita u perifernoj krvi značajno veći od kontrolnih vrednosti (4.56±1.76 vs. 7.74±3.35 × 109/L, u kontrolnoj grupi i kod pacijenata; p<0.05). Takođe je i hlorinišuća aktivnost MPO seruma bila veća u grupi sa IMU (67.2 U/L vs. 92.3 U/L, kod kontrole i kod pacijenata; p<0.05). Iako je koncentracija ukupnih hloramina bila nešto veća kod IMU nego u kontrolnoj grupi, razlika nije bila statistički značajna (p=0.178). Aktivnost MPO je značajno korelirala sa koncentracijom triglicerida (p<0.05). Korelacija između hlorinišuće aktivnosti MPO i ukupnih hloramina nije bila značajna (p=0.402), dok su korelacije MPO aktivnosti i broja neutrofila (p=0.071) odnosno MPO aktivnosti i prisustva aritmije (p=0.094) bile nešto veće. Rezultati ove studije ukazuju da MPO verovatno ima ulogu u patogenezi IMU, što se delimično može zasnivati na hlorinaciji biološki značajnih molekula vaskularnog kompartmana.

The aim of this study was to evaluate the diagnostic accuracy of ischemia modified albumin (IMA) alone, or in combination with cardiac troponin T (cTnT) and electrocardiogram (ECG) findings for diagnosis of acute coronary syndrome (ACS). The study included patients with acute chest pain suggestive on ACS, recruited within 6 hours from onset. Patients were classified in ACS group and non-ischemic chest pain group (NICP). Of 84 patients, 49 were diagnosed with ACS and 35 with NICP. IMA was significantly higher in ACS group (p<0.0001). The area under receiver operating curve for IMA in ACS diagnosis was 0.95 (p<0.0001). Sensitivity and specificity of IMA for ACS diagnosis were 89.8% and 91.4%, respectively. IMA significantly (p<0.05) improved the sensitivity of ECG and cTnT, alone, and in combination. Sensitivity and negative predictive value of combination of IMA, ECG and cTnT for diagnosis of ACS were 100%. IMA is useful for diagnosis of ACS, in combination with ECG and cTnT.

Allergic disease are actual pathologic condition in medicine. From this diseases can get ill people of any age, both sex, and the number of patients with allergic diseases rapidly increase in countries of progressive world. This disease are wide - spread, with tendency of increase, and they can have fatal result in extreme cases. Because of high prevalence of morbidity and complications they have, allergic diseases are health problem. According to World allergic organization, more than 40 % of population in world will be atopic. In our environment this diseases are increasing, because of bad ecological condition from one side, and from the other side of genetic influence, and on the top of ladder are allergic diseases of respiratory system. The mayor key process in atopia is continuous and plentiful production of IgE antibody. 

Type 2 diabetes represents a progressive disease, primarily characterised by impairment of glycoregulation, despite the application of various therapy modalities. The main problem with type 2 diabetes, is progressive impairment of betacell functioning, and impairment of insulin resistance. There is an ongoing pursuit after adequate therapy modalities aiming at preservation of beta-cell function followed by loss of weight and assurance of good glycoregulation. For mentioned reasons, research has been done recently on the functioning of enteropancreatic axis in type 2 diabetes. It has been noted that oral intake of food or glucose leads to higher increase in secretion of insulin in comparison to the intake of the same quantity of glucose intravenously, resulting in assumption that hormone signals from endocrine cells of intestine released by the intake of food represent potent stimulators of insulin secretion. Such role is played by GLP-1 and GIP, GIT peptide hormons which stimulate secretion of insulin and release themselves into blood when stomach himus penetrates into duodenum, that is before glucose from himus is absorbed into internal body media. Persons with type 2 diabetes have got low level of secreted GLP-1 after meal. Chronic administration of GLP-1 agonists leads to reducing glycemia and HbA1c. The potential of GLP-1 agonists to decelerate progressive decay of beta-cells at diabetics is alluring, but insufficiently documented. DPP-IV inhibitors represent complementary approach for provoking incretin effects, by oral intake of pills.

Conducting research in the field of respiratory function, by using measuring and testing, has many purposes. First of all, it could show us how lungs function as a whole, but also, it could lead us to the exact location of a disorder. The aim of this paper is to, by employing accurate correlation of the measured variables of the flow/volume and flow/pressure curves, determine the location of the obstruction process in the tracheobronchial tree, in central-upper airways, as well as in a segment of small airways, so called 'silent zones' of the lungs, smaller than 2 mm in internal diameter. This research included 115 healthy people and 106 patients with chronic obstructive lungs disease, of both genders. The following values of the measured lungs' function parameters were found among healthy people (% of predicted value): FVC- 93%; FEV - 91,1 %; 1 FEV x 100/ FVC- 98,7%; MEF - 107,9%; MEF - 87,5%; MEF-98,9%; Rt-147,1%; ITGV-103,3%; SRt- 130,7%. 1 25%FVC 50%FVC Among the patients with chronic obstructive bronchitis, the following results of the examined parameters were gained: FVC- 66,3%; FEV - 54,2%; FEV x 100/ FVC- 80,7%; MEF - 19,3%; MEF - 23,1%; MEF- 40,5%; Rt- 51,2%; 1 1 25%FVC 50%FVC ITGV- 162,1%; SRt- 36,2%. Finally, there was a certain number of the healthy examinees who showed that direct indicators of the air flow resistance (Rt, SRt) were not significantly changed, while indirect indicators of the respiratory tracts obstruction (MEF , MEF ) were reduced, comparing to the expected tabular results.

Strenuous exercises greatly increase oxygen consumption in the whole body, especially in skeletal muscles. Large part of oxygen consumption by the body is reduced to H O and ATP, but smaller part (2-5%) of these tremendious increase 2 oxygen consumption results in an increased leakage of electrons from the mitochondrial respiratory chain, forming various reactive oxygen species-ROS (O ˙ˉ, H O i OH˙). TheseROS are capable of triggering a chain of damaging biochemical and 2 2 2 physiological reactions such as oxidative stress and lipid peroxidatio. There is a groving number of informaztions pointing on important role of free radicals as mediators in inflamation and damage of skeletal muscles after strenuous exercise. The mechanism of exercise induced oxidative stress are not well understood. The mitochondrial electron transport chain, polymorphneutrophil and xanthine oxidase have been identified as major source of intracellular free radical generation during and after exercise. Also the interaction of metmyoglobin and methaemoglobin with peroxides may be also an importante source of oxidative stress during exercise.

Many researchers and clinical doctors have realized that spirometric tests, as well as the resistance of airways, could be within the normal limits at people who have clear signs of bronchitis (coughing, expectoration and lighter disphnoe). Very often, especially among smokers, they have found discrepancy between the functional tests' results and clinical symptoms, although they could expect to find minor lungs' diseases within this group of people. Obstructive lesions in small airways are very often present at smokers older than 40 years, whose lungs are macroscopically normal, and who do not show clinical signs of the obstructive lung disease ('asymptomatic smokers'). The aim of the paper was to find which test, among the most often-used tests for the functional research of the respiratory system, represented the best indicator of the initial obstructive changes localized in small airways. The research study included 50 asymptomatic smokers (34 male and 16 female) ranging from 44 to 57 years. The results of the achieved FVC were at normal level, at all examinees. Out of 50 examinees, asymptomatic smokers, there was one examinee (2%) with the lower level of FEV , while at two examinees 1 (4%) lower levels of SRt and MEF were found. Significantly lower levels of the measured MEF were found among 50%FVC 25%FVC 16 asymptomatic smokers (32%). Such a functional result, i.e. a decrease of MEF while the levels of FVC, FEV , Rt, 25%FVC 1 SRt and MEF are normal, accompanied by a long-lasting smoking case-history with less expressed symptoms, points at 50%FVC the existence of the obstructive disorders localized in the periphery parts of the bronchial tree (small airways). The registration of the flow/volume curve and its analysis might be used as a test even more sensitive than spirometry and body pletizmografy; as a test it can be used for a diagnosis of initial obstructive difficulties in small airways, in other words, it could diagnose the small airways disease.