Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study

Abstract Background The World Health Organization (WHO) has identified carbapenem-resistant Pseudomonas aeruginosa (CRPA) as one of the three critical priority pathogens. There is scarce literature evaluating the treatment outcomes in patients with CRPA infections treated with traditional non-carbap...

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Main Authors: Namareq F. Aldardeer, Hatun M. Labban, Raghad T. Alhuthil, Seham H. Aljahdali, Moataz H. Alharbi, Riham A. Alharbi, Mohammed I. Al Musawa, Abdulrahman A. Almalki, Thamer A. Almangour
Format: Article
Language:English
Published: BMC 2024-12-01
Series:BMC Infectious Diseases
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Online Access:https://doi.org/10.1186/s12879-024-10365-5
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author Namareq F. Aldardeer
Hatun M. Labban
Raghad T. Alhuthil
Seham H. Aljahdali
Moataz H. Alharbi
Riham A. Alharbi
Mohammed I. Al Musawa
Abdulrahman A. Almalki
Thamer A. Almangour
author_facet Namareq F. Aldardeer
Hatun M. Labban
Raghad T. Alhuthil
Seham H. Aljahdali
Moataz H. Alharbi
Riham A. Alharbi
Mohammed I. Al Musawa
Abdulrahman A. Almalki
Thamer A. Almangour
author_sort Namareq F. Aldardeer
collection DOAJ
description Abstract Background The World Health Organization (WHO) has identified carbapenem-resistant Pseudomonas aeruginosa (CRPA) as one of the three critical priority pathogens. There is scarce literature evaluating the treatment outcomes in patients with CRPA infections treated with traditional non-carbapenem β-lactam (NCBL) agents. Thus, this study aims to assess the effectiveness of traditional NCBL compared to novel β-lactam agents (NVL) for treating non-carbapenem β-lactam -susceptible CRPA. Methods A single-center retrospective cohort study was conducted between January 2016 and December 2022. The study included adult patients 18 years and older with infection due to CRPA who were treated based on microbiology sensitivity with traditional NCBL or NVL for more than 48 h. The primary outcome was 30-day mortality. Results 124 patients were included: 98 (79%) in the NCBL group and 26 (20.9%) in the NVL group. 78 (62.9%) patients were male. The median (interquartile range (IQR)) age of included patients was 64 (45, 77) years. A total of 84 (67.7%) patients were critically ill, with an overall median (IQR) APACHE II score of 18 (13.5, 23). The rates of 30-day mortality in NCBL and NVL groups were 41 (41.8%) and 12 (46.2%), respectively; P = 0.692. Conclusion In patients with CRPA infections susceptible to traditional NCBL, there was no statisticallly significant difference in 30-day mortality among patients who were treated with traditional NCBL compared with NVL. Further studies with larger sample sizes are needed to confirm these findings.
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spelling doaj-art-d1e89d550ccd46dda2ea9490310bfa9c2025-08-20T02:39:51ZengBMCBMC Infectious Diseases1471-23342024-12-012411910.1186/s12879-024-10365-5Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort studyNamareq F. Aldardeer0Hatun M. Labban1Raghad T. Alhuthil2Seham H. Aljahdali3Moataz H. Alharbi4Riham A. Alharbi5Mohammed I. Al Musawa6Abdulrahman A. Almalki7Thamer A. Almangour8Critical Care Clinical Pharmacy Consultant, Medical and Clinical Affairs Department, King Faisal Specialist Hospital and Research CenterPediatric Antimicrobial Stewardship Clinical Pharmacist , King Saud Medical CityDepartment of Pediatrics, King Faisal Specialist Hospital and Research CenterPharmacist, Saudi German Hospital Saudi German HospitalPharmacy Department, King Faisal Specialist Hospital and Research CenterAnti-Infective Research Laboratory, Department of Pharmacy Practice Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State UniversityClinical Pharmacist, Medical and Critical Care Pharmacy, King Faisal Specialist Hospital and Research CenterClinical Pharmacy Department, College of Pharmacy, King Saud UniversityAbstract Background The World Health Organization (WHO) has identified carbapenem-resistant Pseudomonas aeruginosa (CRPA) as one of the three critical priority pathogens. There is scarce literature evaluating the treatment outcomes in patients with CRPA infections treated with traditional non-carbapenem β-lactam (NCBL) agents. Thus, this study aims to assess the effectiveness of traditional NCBL compared to novel β-lactam agents (NVL) for treating non-carbapenem β-lactam -susceptible CRPA. Methods A single-center retrospective cohort study was conducted between January 2016 and December 2022. The study included adult patients 18 years and older with infection due to CRPA who were treated based on microbiology sensitivity with traditional NCBL or NVL for more than 48 h. The primary outcome was 30-day mortality. Results 124 patients were included: 98 (79%) in the NCBL group and 26 (20.9%) in the NVL group. 78 (62.9%) patients were male. The median (interquartile range (IQR)) age of included patients was 64 (45, 77) years. A total of 84 (67.7%) patients were critically ill, with an overall median (IQR) APACHE II score of 18 (13.5, 23). The rates of 30-day mortality in NCBL and NVL groups were 41 (41.8%) and 12 (46.2%), respectively; P = 0.692. Conclusion In patients with CRPA infections susceptible to traditional NCBL, there was no statisticallly significant difference in 30-day mortality among patients who were treated with traditional NCBL compared with NVL. Further studies with larger sample sizes are needed to confirm these findings.https://doi.org/10.1186/s12879-024-10365-5CarbapenemResistancePseudomonas aeruginosaCephalosporinsPiperacillin/Tazobactam
spellingShingle Namareq F. Aldardeer
Hatun M. Labban
Raghad T. Alhuthil
Seham H. Aljahdali
Moataz H. Alharbi
Riham A. Alharbi
Mohammed I. Al Musawa
Abdulrahman A. Almalki
Thamer A. Almangour
Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
BMC Infectious Diseases
Carbapenem
Resistance
Pseudomonas aeruginosa
Cephalosporins
Piperacillin/Tazobactam
title Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
title_full Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
title_fullStr Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
title_full_unstemmed Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
title_short Effectiveness of traditional non-carbapenem β-lactams vs. novel β-lactams for the treatment of carbapenem-resistant Pseudomonas aeruginosa: a retrospective cohort study
title_sort effectiveness of traditional non carbapenem β lactams vs novel β lactams for the treatment of carbapenem resistant pseudomonas aeruginosa a retrospective cohort study
topic Carbapenem
Resistance
Pseudomonas aeruginosa
Cephalosporins
Piperacillin/Tazobactam
url https://doi.org/10.1186/s12879-024-10365-5
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