Abstracts Poster Abstracts - Dr Falk

62The influence of active prophylaxis on epidemiology of hepatitis BKozielewicz D., Dybowska D.Department of Infectious Diseases and Hepatology CM UMK in Bydgoszcz, PolandIntroduction: In 1993 in accordance with the intensive program of prevention andcombating hepatitis B in Poland, the following groups received vaccinations: patientsscheduled to undergo an operation, chronically ill patients and persons who have beenin close contact with those infected with HBV.Carrying out all the guidelines of the program resulted in the decrease in contractinghepatitis B from 34.6/100 thousand in 1993 to 4.43/100 thousand in 2003.The purpose of the article was to analyze the epidemiological aspects and the way inwhich active prophylaxis was run in the patients hospitalized due to hepatitis B.Methods: In the years 1998-2004 142 patients were hospitalized in Infectious DiseasesClinic in Bydgoszcz. On the basis of medical history and the results of biochemical andserological examinations the patients were diagnosed with hepatitis B.In the group of 142 patients there were 59 women and 83 men in the age bracket of16-84 years old (average age 47 years old). In each case attempts were made toestablish the way of contracting hepatitis B. Moreover, earlier vaccinations againsthepatitis B were taken into consideration in anamnesis.Results: The results have been presented in the table below.Infection route / year 1998 1999 2000 2001 2002 2003 2004Surgical procedures 13 5 7 1 2 4 1Minor medical procedures 13 6 12 5 5 2 4Dental treatment 1 1 3 2 3Intravenous drug abuse 1Tattooing, piercing 1 2Sexual contacts 1 1 1 1 1HBVcarrier in close family 3 1 1Unknown 13 5 7 6 3 4Total 43 19 28 12 13 14 13• women 21 8 12 3 6 5 4• men 22 11 16 9 7 9 9Number of persons vaccinatedagainst HBV before the disease(age)Complete vaccination3(18,*55,50)1(49)1(55)1(63)1(79)Number of persons vaccinatedwith one dose of the vaccinebefore scheduled surgery (age)2(48,52)1(72)* - a patient undergoing chemotherapy due to acute lymphocytic leucaemia2(38,56)