Difficulty in diagnosing tuberculosis in patients infected by the human immunodeficiency virus (HIV) and variables that determine the initiation of an empirical anti-tuberculosis treatment

Authors

  • Susana G. Cabrera Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Colaborador Calificado y Ex Asistente
  • Julio C. Medina Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Profesor Adjunto
  • Alejandra M. Salaberryborda Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Médico
  • Malvina J. Librán Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Médico
  • Héctor M. González Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Médico
  • Eduardo Savio Universidad de la República, Facultad de Medicina, Cátedra de Enfermedades Infecciosas, Profesor Director

Keywords:

TUBERCULOSIS, HIV INFECTIONS, ACQUIRED IMMUNODEFICIENCY SYNDROME, TIMELY AIDS-RELATED INFECTIONS, MYCOBACTERIUM INFECTIONS

Abstract

Background: coexistence of HIV and tuberculosis (TB) difficults TB diagnosis and delays indication of specific treatments. In order to identify variables that complicate TB diagnosis we conducted a review of empirical antituberculosis treatments iniciated five years ago in the Infectious Diseases Department (Cátedra de Enfermedades Infecciosas).
Methods: a descriptive retrospective study.
Definitions: confirmed TB: Mycobacterium tuberculosis culture. Highly probable TB: granuloma or caseum in cytology/histopathology or bacilli positive. Probable TB: fever remission 15 days before start of treatment and patient alive at discharge. Not confirmed TB or no TB: not reach any of the above criteria or explicit other diagnosis. Group A: confirmed TB and highly probable TB; group B: probable TB.
Results: ninety-two patients were included in the study. Group A: 82% (n = 75), they were considered as truly TB. A significative difference was recorded at the CD4 level between group A and B, 234 + 120 cells/ml and 94 + 72 cells/ml respectively (p = 0.0007).
A group of variables determine the start of the empirical treatment in most of the patients: associated prolonged fever, respiratory clinic and compatible imaging were the most frequent.
Conclusions: severe immunodepression difficults definitive diagnosis of TB. The identification of variables allows the start of empirical antituberculosis treatment in patients with HIV with a high score of posterior success.

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Published

2007-09-30

How to Cite

1.
Cabrera SG, Medina JC, Salaberryborda AM, Librán MJ, González HM, Savio E. Difficulty in diagnosing tuberculosis in patients infected by the human immunodeficiency virus (HIV) and variables that determine the initiation of an empirical anti-tuberculosis treatment. Rev. Méd. Urug. [Internet]. 2007 Sep. 30 [cited 2024 Nov. 21];23(3):164-72. Available from: https://revista.rmu.org.uy/index.php/rmu/article/view/611

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