Detection of Bartonella henselae DNA in the blood of patients with livedoid vasculopathy
An. bras. dermatol
; 98(4): 472-479, July-Aug. 2023. tab, graf
Article
in En
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LILACS-Express
| LILACS
| ID: biblio-1447217
Responsible library:
BR1.1
ABSTRACT
Abstract Background:
Livedoid vasculopathy (LV) manifests as ulcers and atrophic white scars on the lower extremities. The main known etiopathogenesis is hypercoagulability with thrombus formation, followed by inflammation. Thrombophilia, collagen and myeloproliferative diseases may induce LV, but the idiopathic (primary) form predominates. Bartonella spp. may cause intra-endothelial infection and skin manifestations caused by these bacteria may be diverse, including leukocytoclastic vasculitis and ulcers.Objective:
The aim of this study was to investigate the presence of bacteremia by Bartonella spp. in patients with difficult-to-control chronic ulcers diagnosed as primary LV.Methods:
Questionnaires and molecular tests (conventional PCR, nested PCR and real-time PCR) were applied and liquid and solid cultures were performed in the blood samples and blood clot of 16 LV patients and 32 healthy volunteers.Results:
Bartonella henselae DNA was detected in 25% of LV patients and in 12.5% of control subjects but failed to reach statistically significant differences (p = 0.413). Studylimitations:
Due to the rarity of primary LV, the number of patients studied was small and there was greater exposure of the control group to risk factors for Bartonella spp. infection.Conclusion:
Although there was no statistically significant difference between the groups, the DNA of B. henselae was detected in one of every four patients, which reinforces the need to investigate Bartonella spp. in patients with primary LV.
Full text:
1
Collection:
01-internacional
Database:
LILACS
Type of study:
Diagnostic_studies
/
Risk_factors_studies
Language:
En
Journal:
An. bras. dermatol
Journal subject:
DERMATOLOGIA
Year:
2023
Document type:
Article
/
Project document
Affiliation country:
Brazil
Country of publication:
Brazil