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Poster Display session 1

1165 - Risk factors for Bacteremia-Associated Mortality of Aeromona sobria in Hematologic Malignancies

Date

28 Sep 2019

Session

Poster Display session 1

Presenters

Gabriel De la Cruz-Kú

Citation

Annals of Oncology (2019) 30 (suppl_5): v435-v448. 10.1093/annonc/mdz251

Authors

G. De la Cruz-Kú1, B.S. Valcarcel2, M. Luján3, A. Saavedra3, R. Luque3, E. Eyzaguirre3, M.B. Sultanov4, Z. Morante5, S. Quintana6, S.P. Neciosup Delgado5, A. Holguín Ruíz7, W. Vicente8, D. Enriquez5

Author affiliations

  • 1 Medicine, UCSUR, 15034 - Lima/PE
  • 2 Medicina Oncológica, Instituto Nacional de Enfermedades Neoplasicas, INEN, 15034 - Lima/PE
  • 3 Medicine, UCSUR, Lima/PE
  • 4 Medicine, Tashkent Medical Academy, uzbekistan/UZ
  • 5 Medicine, Instituto Nacional de Enfermedades Neoplasicas, INEN, Lima 34 - Lima/PE
  • 6 Oncology, INEN, Lima/PE
  • 7 Infectious Disease, Instituto Nacional de Enfermedades Neoplasicas, INEN, Lima 34 - Lima/PE
  • 8 Pathology, Instituto Nacional de Enfermedades Neoplasicas, INEN, Lima 34 - Lima/PE

Resources

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Abstract 1165

Background

Although several studies report the clinical characteristics of bacteremia by Aeromonas species, there is a lack of studies about the bacteremia course in hematologic malignancies. Our aim was to determine the risk factors for bacteremia-associated mortality by Aeromonas sobria in patients with hematological malignancies.

Methods

We performed a retrospective cohort study, by reviewing 37 medical records of patients treated at the “Instituto Nacional de Enfermedades Neoplasicas-Peru”, in the period of 2000-2017. We considered a bacteremia-related death if it occurred within the first 7 days of A. sobria isolation, or during the acute course of sepsis. Risk factors were assessed by the Multivariate Cox regression analysis at 30 days after the patient’s admission.

Results

The median age was 24y (2-74y), six patients (16.2%) had ≥65y, and 54.1% were male. The most common diagnosis was lymphoid leukemia (51.4%), followed by myeloid leukemia (27%), high-grade lymphoma (18.9%), and multiple myeloma (2.7%); and 37.8% had community-acquired bacteremia. The gastrointestinal system was the most common primary source of infection (62.2%), followed by the osteoarticular system (18.9%). The mortality rate was 27%, and 11 cases (29.7%) presented septic shock. Furthermore, antibiotic use was as follow, meropenem (64.9%), ceftazidime (37.8%), and amikacin (29.7%). Multivariate Cox regression identified age ≥65, shock, and no disease remission as independent risk factors for mortality (Table). Risk factors for Bacteremia-Associated Mortality of Aeromona sobria.Table: 1093P

Univariate analysisMultivariate analysis
HR95% CIP-valueHR95% CIP-value
Age ≥655.481.5-19.70.018.131.7-39.40.009
Community-acquire bacteremia9.732.1– 46.10.004---
Shock13.212.8–63.00.0017.061.5-34.40.016
Non-disease remission14.311.8–113.30.01210.461.2-89.80.024

Conclusions

Patients with hematological malignancy infected by A. sobria that either is ≥ 65-years-old does not have a disease remission or develop shock, the risk of dying increases. The physicians can use our results to guide the prognosis of patients infected by this bacteria.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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