Infectious complications in kidney transplantation: a 25-year retrospective study

Abstract Introduction Infectious complications remain a significant challenge in kidney transplant recipients, exacerbated by immunosuppressive therapy. This study aimed to analyze the patterns, prevalence, and predictors of infections in kidney transplant patients over 25 years at our center. Metho...

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Main Authors: Zaineb Kaouiri, Meryem Benbella, Loubna Benamar, Naima Ouzeddoun, Tarik Bouattar
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:The Egyptian Journal of Internal Medicine
Online Access:https://doi.org/10.1186/s43162-025-00486-x
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author Zaineb Kaouiri
Meryem Benbella
Loubna Benamar
Naima Ouzeddoun
Tarik Bouattar
author_facet Zaineb Kaouiri
Meryem Benbella
Loubna Benamar
Naima Ouzeddoun
Tarik Bouattar
author_sort Zaineb Kaouiri
collection DOAJ
description Abstract Introduction Infectious complications remain a significant challenge in kidney transplant recipients, exacerbated by immunosuppressive therapy. This study aimed to analyze the patterns, prevalence, and predictors of infections in kidney transplant patients over 25 years at our center. Methods A retrospective analysis was conducted on 123 kidney transplant recipients between 1998 and 2023. Data included demographic, clinical, and microbiological characteristics, with infections categorized into three post-transplant periods: early (≤ 1 month), intermediate (1–6 months), and late (> 6 months). Statistical analyses identified risk factors and outcomes associated with infections. Results A total of 390 infectious episodes were recorded. Early infections were predominantly bacterial (71.4%), primarily urinary tract infections. Viral infections, particularly cytomegalovirus, were more prevalent during the intermediate period (39%). Late infections included respiratory and opportunistic pathogens, with viral infections accounting for 36%. UTIs were the most common infection across all periods (127 episodes), with Escherichia coli as the leading pathogen. Prolonged catheterization and female sex were significant predictors of recurrent UTIs (p < 0.001). Infection-induced acute kidney injury occurred in 34% of cases, leading to sustained renal dysfunction in 49% of these episodes. Mortality due to infections was 5.7%, with COVID-19 as the leading cause. Conclusion Infectious complications, particularly UTIs and viral infections, significantly impact kidney transplant outcomes. Targeted prevention strategies, including optimized catheter management and tailored immunosuppression, are essential to reduce infection-related morbidity and mortality. Further research is needed to refine protocols and improve long-term transplant success.
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institution Kabale University
issn 2090-9098
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spelling doaj-art-0a168342c2de4bf39d9495c87877adaa2025-08-20T03:45:32ZengSpringerOpenThe Egyptian Journal of Internal Medicine2090-90982025-06-013711910.1186/s43162-025-00486-xInfectious complications in kidney transplantation: a 25-year retrospective studyZaineb Kaouiri0Meryem Benbella1Loubna Benamar2Naima Ouzeddoun3Tarik Bouattar4Mohammed V UniversityMohammed V UniversityMohammed V UniversityMohammed V UniversityMohammed V UniversityAbstract Introduction Infectious complications remain a significant challenge in kidney transplant recipients, exacerbated by immunosuppressive therapy. This study aimed to analyze the patterns, prevalence, and predictors of infections in kidney transplant patients over 25 years at our center. Methods A retrospective analysis was conducted on 123 kidney transplant recipients between 1998 and 2023. Data included demographic, clinical, and microbiological characteristics, with infections categorized into three post-transplant periods: early (≤ 1 month), intermediate (1–6 months), and late (> 6 months). Statistical analyses identified risk factors and outcomes associated with infections. Results A total of 390 infectious episodes were recorded. Early infections were predominantly bacterial (71.4%), primarily urinary tract infections. Viral infections, particularly cytomegalovirus, were more prevalent during the intermediate period (39%). Late infections included respiratory and opportunistic pathogens, with viral infections accounting for 36%. UTIs were the most common infection across all periods (127 episodes), with Escherichia coli as the leading pathogen. Prolonged catheterization and female sex were significant predictors of recurrent UTIs (p < 0.001). Infection-induced acute kidney injury occurred in 34% of cases, leading to sustained renal dysfunction in 49% of these episodes. Mortality due to infections was 5.7%, with COVID-19 as the leading cause. Conclusion Infectious complications, particularly UTIs and viral infections, significantly impact kidney transplant outcomes. Targeted prevention strategies, including optimized catheter management and tailored immunosuppression, are essential to reduce infection-related morbidity and mortality. Further research is needed to refine protocols and improve long-term transplant success.https://doi.org/10.1186/s43162-025-00486-x
spellingShingle Zaineb Kaouiri
Meryem Benbella
Loubna Benamar
Naima Ouzeddoun
Tarik Bouattar
Infectious complications in kidney transplantation: a 25-year retrospective study
The Egyptian Journal of Internal Medicine
title Infectious complications in kidney transplantation: a 25-year retrospective study
title_full Infectious complications in kidney transplantation: a 25-year retrospective study
title_fullStr Infectious complications in kidney transplantation: a 25-year retrospective study
title_full_unstemmed Infectious complications in kidney transplantation: a 25-year retrospective study
title_short Infectious complications in kidney transplantation: a 25-year retrospective study
title_sort infectious complications in kidney transplantation a 25 year retrospective study
url https://doi.org/10.1186/s43162-025-00486-x
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AT meryembenbella infectiouscomplicationsinkidneytransplantationa25yearretrospectivestudy
AT loubnabenamar infectiouscomplicationsinkidneytransplantationa25yearretrospectivestudy
AT naimaouzeddoun infectiouscomplicationsinkidneytransplantationa25yearretrospectivestudy
AT tarikbouattar infectiouscomplicationsinkidneytransplantationa25yearretrospectivestudy