Article ; Online: High Rates of Extensively Drug-Resistant Pseudomonas aeruginosa in Children with Cystic Fibrosis
Curr Microbiol. 2022 Nov., v. 79, no. 11 p.353-353
2022
Abstract: Pseudomonas aeruginosa has a high adaptive capacity, favoring the selection of antibiotic-resistant strains, which are currently considered a global health problem. The purpose of this work was to investigate the rate and distribution of extensively drug- ...
| Abstract | Pseudomonas aeruginosa has a high adaptive capacity, favoring the selection of antibiotic-resistant strains, which are currently considered a global health problem. The purpose of this work was to investigate the rate and distribution of extensively drug-resistant (XDR) P. aeruginosa in pediatric patients with cystic fibrosis (CF) with recurrent infections and to distinguish the current efficacy of antibiotics commonly used in eradication therapy at a Mexican institute focused on children. A total of 118 P. aeruginosa isolates from 25 children with CF (2015–2019) underwent molecular identification, antimicrobial sensitivity tests, and Random Amplified Polymorphic DNA genotyping (RAPD-PCR). The bacterial isolates were grouped in 84 RAPD profiles, revealing a cross-infection between two sisters, whose resistance profile remained unchanged for more than 2 years. Furthermore, 77.1% (91/118) and 51.7% (61/118) of isolates showed in vitro susceptibility to ceftazidime and amikacin, respectively, antibiotics often used in eradication therapy at our institution. As well, 42.4% (50/118) were categorized as multi-drug resistant (MDR) and 12.7% (15/118) were XDR. Of these resistant isolates, 84.6% (55/65) were identified from patients with recurrent infections. The high frequency of XDR strains in children with CF should be considered a caution mark, as such resistance patterns are more commonly found in adult patients. Additionally, amikacin may soon prove ineffective. Careful use of available antibiotics is crucial before therapeutic possibilities are reduced and “antibiotic resistance crisis” worsens. |
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| Keywords | Pseudomonas aeruginosa ; adults ; amikacin ; antibiotic resistance ; ceftazidime ; cross infection ; cystic fibrosis ; genotyping ; multiple drug resistance ; random amplified polymorphic DNA technique ; therapeutics |
| Language | English |
| Dates of publication | 2022-11 |
| Size | p. 353. |
| Publishing place | Springer US |
| Document type | Article ; Online |
| ZDB-ID | 134238-1 |
| ISSN | 1432-0991 ; 0343-8651 |
| ISSN (online) | 1432-0991 |
| ISSN | 0343-8651 |
| DOI | 10.1007/s00284-022-03048-4 |
| Database | NAL-Catalogue (AGRICOLA) |
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