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Burden of Mycobacterium ulcerans disease (Buruli ulcer) and the underreporting ratio in the territory of Songololo, Democratic Republic of Congo.


ABSTRACT:

Background

Cutaneous infection by Mycobacterium ulcerans, also known as Buruli ulcer (BU), represents the third most common mycobacterial disease in the world after tuberculosis and leprosy. Data on the burden of BU disease in the Democratic Republic of Congo are scanty. This study aimed to estimate the prevalence rate and the distribution of BU in the Songololo Territory, and to assess the coverage of the existing hospital-based reporting system.

Methods

We conducted a cross-sectional survey (July-August 2008) using the door-to-door method simultaneously in the two rural health zones (RHZ) of the Songololo Territory (RHZ of Kimpese and Nsona-Mpangu), each containing twenty health areas. Cases were defined clinically as active BU and inactive BU in accordance with WHO-case definitions.

Results

We detected 775 BU patients (259 active and 516 inactive) in a total population of 237,418 inhabitants. The overall prevalence of BU in Songololo Territory was 3.3/1000 inhabitants, varying from 0 to 27.5/1000 between health areas. Of the 259 patients with active BU, 18 (7%) had been reported in the hospital-based reporting system at Kimpese in the 6-8 months prior to the survey.

Conclusion

The survey demonstrated a huge variation of prevalence between health areas in Songololo Territory and gross underreporting of BU cases in the hospital-based reporting system. Data obtained may contribute to better targeted and improved BU control interventions, and serve as a baseline for future assessments of the control program.

SUBMITTER: Mavinga Phanzu D 

PROVIDER: S-EPMC3855042 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Publications

Burden of Mycobacterium ulcerans disease (Buruli ulcer) and the underreporting ratio in the territory of Songololo, Democratic Republic of Congo.

Mavinga Phanzu Delphin D   Suykerbuyk Patrick P   Saunderson Paul P   Ngwala Lukanu Philippe P   Masamba Minuku Jean-Bedel JB   Imposo Désiré Bofunga B DB   Mbadu Diengidi Blanchard B   Kayinua Makanzu M   Tamfum Muyembe Jean-Jacques JJ   Tshindele Lutumba Pascal P   de Jong Bouke C BC   Portaels Françoise F   Boelaert Marleen M  

PLoS neglected tropical diseases 20131205 12


<h4>Background</h4>Cutaneous infection by Mycobacterium ulcerans, also known as Buruli ulcer (BU), represents the third most common mycobacterial disease in the world after tuberculosis and leprosy. Data on the burden of BU disease in the Democratic Republic of Congo are scanty. This study aimed to estimate the prevalence rate and the distribution of BU in the Songololo Territory, and to assess the coverage of the existing hospital-based reporting system.<h4>Methods</h4>We conducted a cross-sect  ...[more]

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