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Risk for occupational transmission of HIV infection among health care workers

Study in a Spanish hospital

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Abstract

The aim of this study was to evaluate the HIV seroconversion rate associated with different types of occupational exposures in health care workers. A longitudinal study was conducted from January 1986 to October 1992 in a teaching hospital in Spain, where HIV infection is prevalent among patients. Each health care worker was asked to complete a questionnaire regarding age, sex, staff category, lace of exposure, other exposures, type of exposure, body fluid, infected material and HIV status of source patient. These health care workers were then followed up at 6 weeks, 3 months, 6 months and 12 months with repeated test for HIV antibody. Four hundred twenty three reports of occupational exposure were analysed. Nursing was the profession with more exposures (42.8%). Ninety five percent of total exposures were percutaneous, 4% mucous membrane contacts and 1% skin contacts, 88.3% were described as blood contact and 71.8% had resulted from needlestick and suture needles. Exposures from HIV-positive patients comprised 23.2% of occupational exposures. There was a significant difference in the length of follow-up in physicians (p=0.00009) and nurses (p=0.00001), when we compared HIV-positive patients with patients in whom the HIV status was unknown or negative. The HIV seroconversion rate was 0.00%. We consider that the risk of acquiring HIV infection via contact with a patient is low, but not zero. Well documented cases of seroconversion have been published. Because it is often impossible to know a patient's infection status, health care workers should follow for rotine the universal precautions for all patients when there is a possibility of exposure to blood or other body fluid. Equally important is the development of new techniques to minimize the risk of exposures to blood.

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Authors and Affiliations

  1. Servicio de Medicina Preventiva, Hospital de Bellvitge, Feixa Llarga, s/n. 08907 L'Hospitalet de Llobregat, Barcelona, Spain

    Soledad Romea, María E. Alkiza, Josep M. Ramon & Joaquín Oromí

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  1. Soledad Romea
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  2. María E. Alkiza
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  3. Josep M. Ramon
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  4. Joaquín Oromí
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Romea, S., Alkiza, M.E., Ramon, J.M. et al. Risk for occupational transmission of HIV infection among health care workers. Eur J Epidemiol 11, 225–229 (1995). https://doi.org/10.1007/BF01719493

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  • DOI: https://doi.org/10.1007/BF01719493

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