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Wiad Lek. 2015;68(3):347-353.

[Etiology of bacterial infections and incidence of comorbidities in patients with tuberculosis, treated in Mazovian Treatment Centre of Tuberculosis and Lung Diseases during years 2012-2014].

Wiadomosci lekarskie (Warsaw, Poland : 1960)

[Article in Polish]
Natalia Piłacik, Teresa Kamińska, Ewa Augustynowicz-Kopeć, Grzegorz Krasowski

Affiliations

  1. Pracownia Bakteriologii Gru?licy, Mazowieckie Centrum Leczenia Chorób P?uc i Gru?licy, Otwock.
  2. Laboratorium Mikrobiologicznego, Mazowieckie Centrum Leczenia Chorób P?uc i Gru?licy, Otwock.
  3. Zak?ad Mikrobiologii, Instytut Gru?licy i Chorób P?uc, Warszawie.
  4. Mazowieckie Centrum Leczenia Chorób P?uc i Gru?licy, Otwock.

PMID: 28501834

Abstract

INTRODUCTION: Tuberculosis (TB) is an infectious disease caused by the Mycobacterium tuberculosis. Infection occurs mostly via inhalation, while the immune system is weakened. TB can take a pulmonary or extrapulmonary form. Treatment involves an intensive, long-term antimycobacterial multidrug therapy. TB cases are recorded on the worldwide scale. The morbidity in Poland varies territorially.

AIM: The analysis of bacterial infections and comorbidities cases in the patients with TB, treated in Mazovian Treatment Centre of Tuberculosis and Lung Diseases (MCLChPiG) during years 2012-2014.

MATERIALS AND METHODS: The study includes an analysis of 3093 cases of tuberculosis among MCLChPiG patients in years 2012-2014, taking into account the age and gender of patients, forms of the disease, bacterial superinfection in the course of TB (based on the results of microbiological tests) and concomitant diseases.

RESULTS: The study showed that TB was more common in men (64.79%). Most cases have been diagnosed in the 50-65 year age group (31.65%). The most common form of TB among MCLChPiG patients was a respiratory tract tuberculosis (96.61%), especially the pulmonary form (82.67%). Concomitant diseases were diagnosed in 244 patients (7.89%), wherein tumors (4.88%) were the most common ones. Bacterial superinfection in the course of TB was observed in 149 patients (4.82%). The most frequently isolated bacteria were H. influenzae (28.65%) and S. aureus (15.79%).

CONCLUSIONS: Long-term antimycobacterial treatment leads to the weakening of the patient's immune system, which is a favorable condition for the development of bacterial infections. Superinfection can be associated with concomitant disease, where weakness of immunoresponsiveness increases the risk of developing TB. Bacteria isolated from superinfections in the course of TB are mostly a typical pathogens of the upper and lower respiratory tract.

Keywords: concomitant diseases in tuberculosis ; superinfection bacterial etiology in tuberculosis; tuberculosis

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