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Volume 13 Supplement 1

Proceedings of the 9th Edition of the Scientific Days of the National Institute for Infectious Diseases “Prof Dr Matei Bals”

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Gram positive bacterial infections in immunocompromised patients with HIV infection

BMC Infectious Diseases volume 13, Article number: P30 (2013) Cite this article

Background

We aimed to perform microbiological analysis of Gram positive infections in patients infected with HIV (PIH).

Methods

We performed a retrospective and compared study, between 01 January 2007 – 31 December 2010, in the Infectious Diseases Hospital of Craiova, on two groups of adults patients (Px): group A - 114 PIH and group B - 1442 Px non HIV, which had been diagnosed with non-tuberculosis bacterial infections (BI) with established etiology. For each group we analyzed the incidence, clinical spectrum, etiology and antibiotic susceptibility phenotype of Gram positive infections (GPI). For the statistical analysis we used the Fischer test; threshold values are statistically significant for p<0.05 and relative risk (RR) >2.

Results

Incidence: group A vs. group B: BI-114 PIH (22.66%) vs. 1442 Px (8.7%) (p=0.000, RR=17.23), GPI-59 (51.75%) vs. 378 (26.21%) (p<0.0001); S aureus – 31 PIH (27.19%) vs. 58 Px (4.92%) (p=0.000; RR=6.42), S pneumoniae – 24 PIH (21.05%) vs. 234 Px (16.22%) (p=0.01; RR=2.79), Enterococcus spp. – 2 PIH (1.75%) vs. 7 Px (0.49%) (p<0.05), S pyogenes – 2 PIH (1.75%) vs. 77 Px (5.33%) (p<0.05) and S viridans – 2 Px (0.14%) only in group B. The clinical spectrum was dominated by lower respiratory tract infections: 29 PIH (49.15%) vs. 237 Px (69.09%) (p=0.004). Sensitivity to antibiotics: S pneumoniae, group A vs. group B: teicoplanin, linezolid 24 (100%) vs. 234 (100%) (p<0.05), moxifloxacin, 24 (100%) vs. 228 (97.43%) (p<0.05), vancomycin 24 (100%) vs. 228 (97.43%) (p<0.05), erythromycin -18 (75%) vs. 166 (70.94%) (p<0.05), co-trimoxazole 9 (37.5%) vs. 119 (50.84%) (p<0.05), penicillin 10 (41.62%) vs. 92 (39.31%) (p <0.05), ceftriaxone, 21 (87.5%) vs. 198 (84.61%) (p <0.05), rifampicin 18 (75%) vs. 217 (92.73%) (p=0.000) antibiotic sensitivity of S aureus, group A vs. group B (41 strains tested): oxacillin 24 (77.41%) vs. 33 (80.48%) (p>0.05) erythromycin, 13 (41.93%) vs. 21 (51.21%) (p<0.05), co-trimoxazole 8 (25.80%) vs. 29 (70.73%) (p<0.05), amikacin 29 (93.54%) vs. 38 (92.68%) (p<0.05), vancomycin 31 (100%) vs. 39 (95.12%) (p<0.05), linezolid 31 (100%) vs. 41 (100%), clindamycin 29 (93.54%) vs. 38 (92.68%) (p<0.05).

Conclusion

Gram positive infections are more common in PIH versus Px non-HIV; the clinical spectrum is dominated by acute respiratory tract infections, regardless of HIV status. HIV infection was associated with high risk of resistance of S pneumoniae to co-trimoxazole, rifampicin and of S aureus to co-trimoxazole.

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Authors and Affiliations

  1. University of Medicine and Pharmacy Craiova, Romania

    Andreea Cristina Stoian, Florentina Dumitrescu & Irina Niculescu

  2. “Victor Babeş” Clinical Hospital of Infectious Diseases and Pneumology, Craiova, Romania

    Andreea Cristina Stoian, Florentina Dumitrescu, Cristina Iocu, Liliana Marinescu, Mariana Stănescu & Oana Bădescu

  3. “Dr. Vlăescu” Medical Center, Craiova, Romania

    Irina Niculescu & Georgeta Rodica Stoian

Authors
  1. Andreea Cristina Stoian
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  2. Florentina Dumitrescu
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  3. Irina Niculescu
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  4. Cristina Iocu
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  5. Liliana Marinescu
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  6. Mariana Stănescu
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  7. Oana Bădescu
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  8. Georgeta Rodica Stoian
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Corresponding author

Correspondence to Andreea Cristina Stoian.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Stoian, A.C., Dumitrescu, F., Niculescu, I. et al. Gram positive bacterial infections in immunocompromised patients with HIV infection. BMC Infect Dis 13 (Suppl 1), P30 (2013). https://doi.org/10.1186/1471-2334-13-S1-P30

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  • DOI: https://doi.org/10.1186/1471-2334-13-S1-P30

Keywords

BMC Infectious Diseases

ISSN: 1471-2334

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