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Background [i]Clostridium difficile[/i] infections become a serious problem in terms of nosocomial infections, as well as a consequence of common use of antibiotics. Aim The aim of the study was to evaluate [i]Clostridium difficile[/i] carriage in patients admitted to the Clinical Department of Infectious Diseases and Hepatology without acute or chronic diarrhea and to assess the impact of antibiotic treatment on the development of enteritis in hospital. Other factors that may affect the risk of infection were also analyzed. Results Fourteen patients (14%) were carriers of [i]Clostridium difficile[/i] at admission. Second assessment taken after fourteen days of antibiotic treatment showed decrease in GDH antigen prevalence to eight subjects (12.1%). Three patients (3%) had diarrhea during hospitalization, and the toxins A and/or B were found in them. Conclusions The frequency of [i]Clostridium difficile[/i] carriage among adults in Poland may be underestimated. Screening for Clostridium difficile GDH antigen may be useful although do not provide definite prognosis of symptomatic disease during ceftriaxone treatment. The risk of Clostridium difficile infection may be reduced mainly by rationalizing antibiotic therapy and following appropriate procedures.

The aim of the study was to evaluate the usefulness of cerebrospinal fluid (CSF) ferritin concentration assessment in adults with purulent, bacterial meningoencephalitis.The investigation was performed in 18 subjects hospitalized at the Clinical Ward of Infectious Diseases, Medical University of Silesia in Bytom from 2008 through 2012, for purulent, bacterial meningoencephalitis. The patients were divided into two groups, according to severity of their clinical condition: Group I – very severe course of the disease, group II – moderate and mild course of the disease. In all the individuals, CSF interleukin-6 concentration was evaluated during the first 24 hours of hospitalization.Mean CSF ferritin concentration in patients in very severe clinical condition (group I) was 314.71 ng/mL as compared to 162.13 ng/mL in subjects of group II with moderate and mild course of the disease. The difference between CSF mean concentration of this cytokine was statistically significant (p0.01). Correlations between CSF ferritin and CSF protein and lactate were determined. The control assays performed in 6 patients from group I revealed only slightly decrease of CSF ferritin level in the fatal course of the disease. In survivals with recovery CSF concentration of this protein was decreased markedly as compared to the initial level.The obtained results indicate the usefulness of CSF ferritin concentration assessment in estimation of intensity of inflammation in the subarachnoid space, and indirectly, of severity of the patient’s clinical condition. The level of this protein concentration also seems to be helpful as a prognostic marker in purulent, bacterial meningoencephalitis.

of the study was to evaluate the usefulness of cerebrospinal fluid chemokine CXCL13 concentration assay in diagnostics of neuroborreliosis in adults.Investigations were carried out in 22 patients treated for neuroborreliosis , manifested as lymphocytic meningitis, at the Department of Infectious Diseases, Medical University of Silesia, in Bytom between 2011-2013. Based on the presence or absence of anti-borrelial antibodies in the cerebrospinal fluid, the examined individuals were divided into two groups on the day of admission: group I--patients with antiborrelial antibodies in the cerebrospinal fluid (confirmed diagnosis of neuroborreliosis), group II--patients without antiborrelial antibodies in the cerebrospinal fluid (possible diagnosis of neuroborreliosis). In all patients the cerebrospinal fluid CXCL13 level was assessed on the first day of hospitalization. Control tests were performed in both groups after 14 days of therapy with antibiotics.Mean cerebrospinal fluid CXCL13 concentration in group I on the 1st day was 4123 pg/mL, and in group II--3422 pg/mL. Differences in mean concentrations of this chemokine were statistically insignificant. No correlations between examined mean CXCL13 concentrations and other cerebrospinal fluid inflammatory parameters were revealed. The control tests showed the evident decrease of CXCL13 level in cerebrospinal fluid in both groups. Besides, in individuals of group II anti-Borrelia burgdorferi antibodies appeared in cerebrospinal fluid, whereas in group I, the control results of this parameter were similar to preliminary values.The obtained results indicate a kind of usefulness of estimation of cerebrospinal fluid chemokine CXCL13 concentration in diagnostics of early, acute neuroborreliosis, manifested as lymphocytic meningitis, especially in case of anti-borrelia antibodies absence in cerebrospinal fluid. Changes in this chemokine concentrations, opposite to cerebrospinal fluid levels of anti-borrelia antibodies, may be prognostic in acute, early neuroborreliosis.

Clostridium difficile infections are becoming a more serious problem as hospital-acquired infections and the consequence of common antibiotic therapy, also on an out-patient basis.The aim of the study was the epidemiological and clinical analysis of patients with Clostridium difficile-associated disease (CDAD) at the Clinical Department of Infectious Diseases and Hepatology, Bytom in 2014.A retrospective analysis of the medical documentation of patients with the diagnosis of CDAD was performed. The study group was comprised of 24 patients. The following factors were analysed: gender, age, recent hospitalization, use of proton-pump inhibitors, H2-receptor inhibitors, use of antibiotics, co-morbidities, and the clinical course with consideration given to additional laboratory tests (CRP, creatinine, WBC count).All patients with diagnosed CDAD had been previously hospitalized and 75% of subjects were treated with antibiotics in the period preceding the onset of the disease. Recurrence of the disease was observed in 29% of cases, on average, 12.5 days after hospital discharge. In 16.7% of patients, CDAD resulted in death. Higher CRP concentrations on admission were observed in patients who died compared to the survivors (91.1 mg/l vs. 33.6 mg/l, p=0.015). Additionally, higher concentrations of CRP and leukocytosis were observed in patients with an unfavourable outcome of the disease. Respiratory insufficiency and hypotension were connected with a higher risk of death.Hospitalization, antibiotic therapy, advanced age and co-morbidities may contribute to the occurrence of CDAD. In our study, initially high concentrations of CRP, respiratory insufficiency and hypotension were the predictive factors of a fatal outcome of the disease. The dynamics of changes in the leukocyte value and CRP concentration were of lesser importance.

This study aimed at evaluating the usefulness of determining cerebrospinal fluid (CSF) interleukin-6 (IL-6) concentration in adults with purulent, bacterial meningoencephalitis.A study group consisted of 16 patients hospitalized in the Department of Infectious Diseases of the Medical University of Silesia in Bytom in 2008 - 2012 due to purulent, bacterial meningoencephalitis. All of them were classified into two groups based on clinical severity, assessed on admission: group I - severe condition, group II - moderately severe or mild condition. CSF IL-6 concentration was measured in all patients on the first day of hospitalization.Mean concentrations of IL-6 in CSF were assessed at 391.54 pg/mL and 110.51 pg/mL in patients in severe (group I) and moderately severe or mild condition (group II), respectively. Differences between CSF mean concentrations of this cytokine in both groups were statistically significant (p0.01). No correlations between CSF IL-6 concentrations and other CSF inflammatory parameters were determined. Control testing performed in 5 patients of group I revealed only slight decrease of CSF IL-6 concentration in fatal cases. In case of patients who recovered from disease, IL-6 concentration in CSF was evidently decreased compared to its initial value.Results suggest the usefulness of determining CSF interleukin-6 concentration to estimate inflammation intensity in the subarachnoid space, and indirectly, patient's clinical severity. IL-6 concentration may be also of prognostic importance in purulent, bacterial meningoencephalitis.

This study presents eight patients with drug-induced aseptic meningitis (DIAM) admitted to our centre with an initial suspicion of central nervous system (CNS) infection. In all patients clinical findings, cerebrospinal fluid (CSF) examination, a cause-effect relationship according to the Naranjo adverse drug reactions probability scale and other diagnostic criteria required for DIAM recognition, were fulfilled. Nonsteroidal anti-inflammatory drugs were the most frequent cause of DIAM. In two cases, there was previous antimicrobial use. The time between use of the causative drug and onset of the symptoms ranged from 2 to 7 days. Clinical symptoms and CSF findings in patients with DIAM are indistinguishable from the early stage of infections of the CNS. Detailed anamnesis is essential, particularly related to medication use immediately prior to the appearance of symptoms of CNS impairment. In conclusion, the differential diagnosis of CNS infections should include DIAM.

The aim of the study was evaluation of usefulness of cerebrospinal fluid (CSF) S100 B protein concentration assessment in adults with purulent, bacterial meningoencephalitis.The investigation was performed in 16 subjects hospitalized at the Department of Infectious Diseases of Medical University of Silesia in Bytom in 2008 - 2012 due to purulent, bacterial meningoencephalitis. All patients were divided into two groups according to the severity of their clinical condition: I group - very severe course of the disease, II group - moderate and mild course of the disease. In all individuals CSF S100 B protein concentration was evaluated during the first 24 hours ofhospitalization.Mean CSF S100 B protein concentration in patients in very severe clinical condition (group I) was 1215.63 pg/mL compared to 419.56 pg/mL in subjects of group II with moderate and mild course of disease. The difference between CSF mean concentration of this protein was statistically significant (p0.01). No correlations were assessed between CSF S100 B protein concentrations and other CSF inflammatory parameters. Control assays performed in 7 patients from group I revealed only slightly decrease of CSF S100 B protein level in fatal course of the disease. In survivals with recovery CSF concentration of this protein was evident decreased compared to initial level.The obtained results indicate the usefulness of CSF S100 B protein concentration assessment in estimation of severity of the patient's clinical condition. The level of this protein concentration also seems to be helpful as prognostic marker in purulent, bacterial meningoencephalitis.

The aim of the study was evaluation of usefulness of cerebrospinal fluid (CSF) serotonin level examination in diagnostics of post-Lyme disease syndrome. The study was performed in 16 subjects. In all individuals CSF serotonin concentration was estimated on the 1st day of hospitalization. In patients with depressive and cognitive impairments, proved in neuropsychological tests, - group I--mean CSF serotonin concentration was 1,26 ng/ml, whereas in subjects without abnormalities in tests--group II--respectively--3,87 ng/ml. The difference of mean CSF serotonin levels was statistically significant (p0,01). The obtained results indicate usefulness of this CSF parameter, besides neuropsychological tests, in objective evaluation of clinical state in patients with post-Lyme disease syndrome.

The case of community-acquired meningoencephalitis induced by Escherichia coli in a 89-year-old man was presented. The authors paid attention to possibility of occurring central nervous system infections caused by this bacterium also in adults, in community environment and without concomitant factors favourable to the infection.

The aim of the study was evaluation of usefulness of cerebrospinal fluid (CSF) creatine kinase (CK) activity assessment in diagnostics of purulent, bacterial meningoencephalitis in adults. The investigations were performed in 18 subjects. In all individuals CSF and plasma CK activity was estimated during the first 24 hours of hospitalization. Mean CSF CK activity in patients in very severe clinical state (group I) was 27,41 IU/L compared to 16,73 IU/L in subjects of group II with moderate and mild course of disease. The difference between mean CSF activities of this enzyme was statistically significant (p0,01). The obtained results indicate the usefulness of CSF CK activity assessment in estimation of severity of the patient's clinical state. The magnitude of this activity seems to be also helpful as prognostic marker in purulent, bacterial meningoencephalitis.

The study presents the literature review on EEG examination in purulent, bacterial meningoencephalitis as well as own observations carried out in 42 patients with this neuroinfection treated in I Department of Infectious Diseases of Medical University of Silesia in Bytom between 1989-2001. In 19 patients the result of the first examination was abnormal and the degree of EEG patterns pathology correlated with the severity of their clinical condition. Abnormal electroencephalogram was also noted in 7 cases in the control examination. Two of this group of patients died and in two cases pathological EEG patterns preceded epileptic seizures during further hospitalization. Besides, the conversion of normal at the beginning into abnormal EEG patterns was found in cases of purulent, bacterial meningoencephalitis various complications, e.g. brain abscess. The obtained results indicate that EEG examination carried out in the acute phase of purulent, bacterial meningoencephalitis may be helpful in the estimation of severity of patient's clinical state. Performing of EEG examination in series during and after hospitalization may be useful for monitoring the course of the disease and prognosis of its outcome.

The aim of the study was evaluation of usefulness of cerebrospinal fluid (CSF) lactate dehydrogenase (LDH) activity assessment in diagnostics of purulent, bacterial meningoencephalitis in adults. The investigations were performed in 17 subjects. In all individuals CSF and plasma LDH activity was estimated during the first 24 hours of hospitalization. Mean CSF LDH activity in patients in very severe clinical state (group I) was 299,11 U/L compared to 163,67 U/L in subjects of group II with moderate and mild course of disease. The difference between mean CSF activities of this enzyme was statistically significant (p0,001). The obtained results indicate the usefulness of CSF LDH activity assessment in estimation of severity of the patient's clinical state. The magnitude of this activity seems to be also helpful as prognostic marker in purulent, bacterial meningoencephalitis.

The aim of the study was assessment of usefulness of cerebrospinal fluid (CSF) and plasma procalcitonin concentration estimation in differential diagnosis of neuroinfections in adults. Examinations were carried out in 17 subjects with purulent, bacterial meningoencephalitis and in 16 patients with lymphocytic meningitis. In all individuals CSF and plasma PCT concentrations were assessed on the 1st day of hospitalization. In patients with purulent, bacterial meningoencephalitis mean CSF concentration was 0,63 ng/mL, mean plasma PCT concentration--9,97 ng/mL. Mean CSF PCT concentration in patients with lymphocytic meningitis was 0,23 ng/mL and mean plasma PCT concentration--0,27 ng/mL. Differences of mean PCT concentrations between both groups of patients were statistically significant: CSF--p0,05 and plasma--p0,01. Obtained results indicate usefulness of plasma PCT concentration estimation in differential diagnosis of neuroinfections in adults. Cerebrospinal fluid PCT concentration seems to be of lesser importance in differential diagnosis of neuroinfections, but value of this parameter often correlates with the severity of the clinical state of the patients and may be taken into consideration in prognosis of the course and outcome of the bacterial meningoencephalitis.

Intercellular adhesion molecule is a protein regulating the inflammatory cells movement. An increase of ICAM-1 expression on hepatocytes and in serum has been observed in patients with chronic viral hepatitis. Interferon alpha treatment should lead to inflammatory response diminution and serum ICAM-1 concentration decrease. The aim of the study was the estimation of interferon alpha treatment influence on serum ICAM-1 concentration in patients with chronic viral C hepatitis. A group of 19 interferon alpha treated patients with chronic viral C hepatitis has been observed. ALT activity, the presence of HCV antibody and HCV-RNAas well as histological examination has been estimated in every patient. Patients have got 144 doses of interferon alpha in a schedule 5 MU three times a week. After three months of treatment control estimations have been conducted for initial evoluation of treatment efficacy. Differences in ALT activity have been observed between I and III trials. ICAM-1 serum concentration has decreased significantly from 1322 to 369 pg/ml, and differences in ICAM-1 serum concentration have been observed in all trials. Estimation of serum ICAM-1 concentration is an indirect parameter of attenuation of inflammatory reaction after interferon alpha treatment.

Between 1999-2001 there were 6 patients with acute hepatitis B, previously vaccinated according to the recommended schedule of anti-hepatitis B immunization for adults, hospitalized in the Department of Infectious Diseases (Bytom, Silesian University Medical School). The study presents epidemiological and clinical analysis of these cases. Special attention is paid to possibility of immune response failure in spite of anti-hepatitis B vaccination. It is emphasized, that efficiency of active hepatitis B prophylaxis should be verified by estimation of serum anti-HBs antibodies, especially in patients with planned surgery.

A total of 808 patients with extra-salivary glands manifestations of mumps were treated in the Department of Infectious Diseases, Bytom, Silesian University Medical School in the period of 1985-2001. Mumps meningitis, testicular involvement (epidydymo-orchitis), and mild mumps pancreatitis were diagnosed in 762 (529 male; 69.4%), 24, and 22 (14 male; 63.6%) patients respectively. The patients' age ranged from 2 to 53 years. Mumps virus infection was the reason of transient (behavior disorders, cognition functions impairment) and permanent (hypoacusis, deafness) sequelae of the disease.

The influence of 3-month interferon-alpha (IFN-alpha) treatment on plasma erythropoietin (EPO) concentration in patients with chronic active hepatitis (CAH) induced by hepatitis B virus (HBV) infection was investigated. The study was carried out in 44 nonanemic patients divided into two groups: CAH B, 30 subjects not treated with IFN-alpha, and CAH B-IFN, 14 subjects treated with IFN-alpha for the first 3 months of the study (5 MU/m(2) body surface subcutaneously (s.c.) three times per week). In all patients, blood samples were taken at the beginning of the study (0) and after 1, 2, 3, 6, 9, and 12 months of observation. At the beginning, plasma EPO levels in the CAH B (27.8 +/- 2.21 mU/ml) and CAH B-IFN (27.3 +/- 3.04 mU/ml) groups did not differ significantly from each other and were significantly higher (p0.0001) than in healthy subjects (10.4 +/- 1.06 mU/ml). In patients in the CAH B group, plasma EPO concentrations did not change significantly during the whole observation period. In patients in the CAH B-IFN group, a transient, significant increase in plasma EPO level was found. The highest plasma EPO concentration in this group was noted after the third month of treatment (41.1 +/- 3.41 mU/ml). In conclusion, patients with CAH induced by HBV infection are characterized by increased plasma EPO concentrations, and IFN-alpha treatment in these patients causes a transient increase in the plasma EPO level.