Biomedical subjects
Publications and source records attributed to E Bobrowska.
Concomitant tick-borne encephalitis and Borrelia infection in 43 year old farmer living in a village on the border of the Knyszyn Forest was described. Diagnosis was based on anamnesis and objective examination, and was confirmed by serological tests.
In 94 our of 2570 individuals vaccinated against tick-borne encephalitis (TBE) with FSME-Immun the level of IgG antibodies to TBE virus were tested. The examination was performed before and 2.5 years after the first dose of full cycle vaccination, which according to the manufacturer, consists of three doses. The maintenance of specific seroconversion was detected in 91.9% of the studied subjects. No statistically significant differences in antibody levels were found in the different age groups. None of the immunized subject developed TBE up to the present time.
Comparison of serological EIA tests available in Poland, used in diagnostics of Lyme borreliosis: VIDAS Lyme Screen II (LYT II)-bioMérieux (France), Lyme Borreliosis-Dako (Denmark), Borrelia Recombinant-Biomedica (Austria) was carried out in sera of 112 persons: 39 inhabitants of Białowieza area-Lyme borreliosis endemic region, 43 persons with Lyme borreliosis (first of all erythema migrans and neuroborreliosis), 27 healthy persons (control group), 3 persons with serologically confirmed rheumatoid arthritis. Compatibility of results in all tests was 73%, and it was the highest in control group (78%) and in neuroborreliosis patients (76%). Sensitivity of all tests was similar and varied from 77% (Dako) up to 81% (Biomedica). The highest specificity (93%), positive (94%) and negative (74%) predictive values demonstrated bioMérieux test. The lowest error of method for positive results showed bioMérieux (2,48%) and Dako-IgG (2,94%), whereas for negative Biomedica-IgG (0). There were no positive (false) results in sera of patients with rheumatoid factor dependent on cross reaction.
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In 37 out of 613 (6%) residents of north eastern Poland, IgG antibodies to tick-borne encephalitis virus (TBEV) were detected at levels exceeding the diagnostic value of 60 VIEU/ml. The prevalence of the antibodies was not related to sex or place or residence. However, significantly higher antibody levels were found in the group of forest workers than in individuals not professionally connected with forestry.
Specific IgG antibodies against Tick-Borne Encephalitis Virus (anti-TBEV) at levels exceeding 60 VIEU/ml were detected in almost 14% of forestry workers and in 1.5% of other healthy persons, residents of the endemic area. Mean levels of anti-TBEV were similar in comparable subgroups of men and women, or subgroups of urban and rural residents, however, increased levels of these antibodies were found in elderly persons.
Group consisted of 78 persons was selected among 1587 persons vaccinated against tick-borne encephalitis. Efficiency of vaccination, controlled by measurement of specific IgM and IgG antibodies presence, was evaluated as 70.2% (47.4%-90%). The highest efficiency was observed in urban residents occasionally stayed in forest areas, that showed trace, of antibody level at the begining of study.
Lyme Borreliosis is a serious diagnostical and therapeutical problem in regions with high exposure of residents to ticks, which are Borrelia burgdorferi vectors. The aim of this study was to estimate occurrence of specyfic antibodies and symptoms of Lyme Borreliosis in Białowieza area, as a region of potential endemic presence of this disease. Antibodies against B. burgdorferi were found, with an immunoenzymatic assay, in 71 from among 143 of examined persons (49.7%). Diagnosis of Lyme Borreliosis was established in 54 persons (37.7% of examined population) according to criterions of Lyme Disease Foundation and Centers for Diseases Control. Symptoms of joints involvement (polyarticular or restricted to knee joints) and peripheral nervous system involvement (predominantly radiculalgia lumbosacralis) were most frequently observed in clinical picture. These results motivate to recognize Białowieza region as an endemic area of Borrelia burgdorferi infections.
We have undertaken the investigations for the detection of the presence of antibodies against Encephalitis ixodica viruses among North-East population of Poland. We have found these antibodies in 6.5% among 676 of tested healthy persons. The highest % of detected antibodies were noted in forest rangers and in physicians acting as hunters. Our data seems to indicate that Encephalitis ixodica is still actual disease in this region. Therefore one can suggest the necessity vaccination against Encephalitis ixodica.
The purpose of the study was evaluation of the usefulness of selected indices of humoral immune responsiveness in the differential diagnosis of post-alcoholic hepatocellular damage. The study was carried out in 105 patients: 10 patients with a history of alcohol abuse without clinical and biochemical evidence of hepatocellular damage, 2) patients with alcoholic cirrhosis, 3) patients with post-inflammatory cirrhosis. The prognostic usefulness of the determinations of serum IgM, C3 and C4 complement components and circulating immune complexes in early diagnostic of alcoholic liver disease was demonstrated. It was noted also that increased serum IgA level may be a useful index differentiating of cirrhosis after hepatitis from alcoholic cirrhosis.
The frequency of incidence of positive serological markers of hepatitis B virus infection among a population of alcoholics in the region of Białystok has been analysed. It was demonstrated that the highest frequency of detection of hepatitis B virus infection appears in a group of patients with post-alcoholic liver cirrhosis (60 percent). Acute virus hepatitis of the B type in alcoholics is characterised by a tendency towards retarded seroconversion of HBe antigen to HBe antibody with a subsequent development of chronic infection and liver cirrhosis.
Immunomodulating effect of isoprinosine was estimated in group of 10 patients with postalcoholic liver cirrhosis and compared with another group of 10 patients with postinflammatory liver cirrhosis with infection of hepatitis B virus. Disturbances of immunologic reactivity in the patients with postalcoholic liver cirrhosis mainly concerned increased immunoglobulin G, A concentrations in the blood serum, decreased percentage values of lymphocytes T and their subpopulations (lymphocytes T4 and T8) and increased percentage of lymphocytes B. Disturbances of the examined indices of the immunologic reactivity in the group of patient with postinflammatory liver cirrhosis concerned increased concentrations of circulating immunologic complexes, immunoglobulins A and M in the blood serum and decreased percentage of lymphocytes T and their subpopulation. Treatment with isoprinosine resulted in different immunologic effect in the examined patients concerning mainly increased concentrations of circulating immunologic complexes in the blood serum and increased percentage values of lymphocytes T, T4, T8, B in the course of postalcoholic liver cirrhosis. Patients with postinflammatory liver cirrhosis treated with isoprinosine mainly showed decreased concentrations of circulating immunologic complexes, immunoglobulins A, M the blood serum, increased percentage values of lymphocytes T4 and T8.
Effects of differentiated diet with reduced proteins or diet without proteins with simultaneous use of lactulose or the preparation enriched with aliphatic amino acids with aminosteril-hepa chain on the clinical results and the ammonia, phenols, alpha-amino nitrogen, tyrosine, phenylalanine and tryptophan++ concentrations in the serum have been studied. It has been demonstrated that limitations of proteins in the diet or diet without proteins with the use of lactulose or amino acids mixtures above does not influence significantly the clinical amelioration or biochemical indices of encephalopathy or coma during the liver cirrhosis course. Homogenates of the liver and brain of patients who died due to encephalopathy and liver cirrhosis showed high contents of ammonia, tyrosine, phenylalanine and tryptophan++.
Sixty four patients who had passed the acute phase of trichinellosis 3, 4, 5 and 8 months and 1, 2 and 4 years earlier, have been examined with respect to their clinical condition, persistence of possible subjective complaints which could be associated with the acute phase passed, leucocytosis, absolute number of acidophilic granulocytes in blood, indices of immunological response, both humoral (IgG, IgA and IgM) and cellular (percentage of T and B lymphocytes in blood), serotonin level in blood, monoamino-oxidase activity in blood serum and passive hemagglutination reaction with trichinellosis antigen. It has been found that the frequency of occurrence and intensity of subjective complaints decreases with time. Changes in humoral and cellular reactivity, and long-lasting persistence of antibodies against the trichinellosis antigen, determined with passive hemagglutination method, have been also observed in particular patients.
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Blood serotonin level, 5-HIAA in 24 h urine, serum immunoglobulins-IgG, IgM, IgA, percentage of lymphocytes T and B in rosette test were ascertained in 3 groups of patients with taeniosis, treated with Radeverm (32 patients), Praziquantel (22 patients) and Yomesan (10 patients). Primary hyperserotoninemia and higher level of 5-HIAA in post-treatment values were not uniformly differentiated. The same tendency was observed in post-treatment values of immunoglobulins and lymphocytes T and B as compared with values before treatment.
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