Summary
Background
Myroides spp. are Gram-negative bacilli that are commonly found in soil and water, acting
as low-level opportunistic pathogens and causing a variety of infections.
Aim
To assess the risk factors for multi-drug-resistant myroides infections, association
with comorbid illnesses, patient care and susceptibility to antibiotics.
Methods
This retrospective analytical study was conducted in Istanbul Başakşehir Çam and Sakura
City Hospital, and included patients with Myroides spp. isolated in their culture samples. Total hospitalization days, first isolation
day and 30-day mortality values of the patients were analysed statistically, and P<0.05 was considered to indicate significance.
Results
Myroides spp. were isolated from 437 culture samples from 228 patients. Of these cases, 210
(92.1%) were classified as having asymptomatic bacteriuria, and 18 (7.9%) as having
an infection caused by Myroides spp. One hundred and seventy-four (76.3%) patients were followed up in the intensive care
unit, and total hospitalization days (median 24.5 days) and first isolation day (median
9.5 days) of infected patients were shorter than those for colonized patients (P=0.023 and 0.030, respectively). No difference was found in 30-day mortality between
infected and colonized patients (P=0.312).
Conclusions
Myroides infections were seen more frequently in patients who were hospitalized for
a long time, used broad-spectrum antimicrobials, underwent invasive procedures, and
had co-factors such as diabetes and cerebrovascular disease. In addition, the resistance
rates of Myroides odoratus were higher than those of Myroides odoratimimus, and the use of quinolones for the treatment of patients with M. odoratimimus infection led to a higher cure rate.
Keywords
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Article info
Publication history
Published online: April 22, 2023
Accepted:
April 12,
2023
Received:
February 9,
2023
Identification
Copyright
© 2023 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.
