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Acta Clinica Belgica
International Journal of Clinical and Laboratory Medicine
Volume 72, 2017 - Issue 1: Continuing Medical Education - Oncology
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Original Paper

Nontuberculous mycobacteria among pulmonary tuberculosis patients: a retrospective Belgian multicenter study

Steven De KeukeleireDepartment of Microbiology and Infection Control, University Hospital Brussel, Vrije Universiteit Brussel (VUB), Brussels, BelgiumCorrespondence[email protected]
,
Vanessa MathysNational Reference Centre of Tuberculosis and Mycobacteria, Communicable and Infectious Diseases, Scientific Institute of Public Health (WIV-ISP), Brussels, Belgium
,
Sigi Van den WijngaertIris-Lab, Department of Microbiology, Iris-Brussels Public Hospitals Network, Brussels, Belgium
,
Martine Van De VyvereDepartment of Microbiology, ZNA Hospitals, Antwerp, Belgium
,
Stijn JonckheereClinical Laboratory of Microbiology, OLVZ Aalst, Aalst, Belgium
,
Hans De BeenhouwerClinical Laboratory of Microbiology, OLVZ Aalst, Aalst, Belgium
,
Annelies De BelDepartment of Microbiology, AZ Groeninge, Kortrijk, Belgium
,
Wouter Arrazola de OnateBelgian Lung and Tuberculosis Association BELTA, Brussels, Belgium
,
Maryse WanlinBelgian Lung and Tuberculosis Association BELTA, Brussels, Belgium
,
Denis PiérardDepartment of Microbiology and Infection Control, University Hospital Brussel, Vrije Universiteit Brussel (VUB), Brussels, Belgium
,
Eric NulensDepartment of Microbiology, AZ Sint-Jan Brugge-Ostend AV, Bruges, Belgium
&
Veroniek SaegemanDepartment of Laboratory Medicine, UZ Leuven, Leuven, Belgium;Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
 show all
Pages 45-48 | Published online: 24 Jun 2016
 
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Abstract

Objectives: Currently, there are no European data about the frequency and clinical significance of nontuberculous mycobacteria (NTM) grown from respiratory samples during the treatment of tuberculosis (TB). We determined the frequency and clinical significance of NTM isolated before or during pulmonary tuberculosis treatment in Belgian laboratories.

Methods: We conducted a nationwide retrospective multicenter cohort study on the co-isolation of TB and NTM in Belgium. Starting from laboratory data between 2006 and 2013, possible TB–NTM co-isolations were searched for.

Results: A total of 2569 unique culture-positive pulmonary tuberculosis cases were included in the study. Only 35 (1.4%) of these TB cases had an NTM co-isolated, and two of these 35 fulfilled the ATS criteria for NTM lung disease.

Conclusion: A very low prevalence of 1.4% NTM co-isolations was found in Belgian patients with culture-proven pulmonary TB.

Acknowledgments

We are indebted to Tineke Devinck and Sven Van Laere for their assistance with the data processing.

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