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Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting

Ashton, F. S. 2025. Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting. Unpublished masters thesis. Stellenbosch: Stellenbosch University [online]. Available: https://scholar.sun.ac.za/items/18af43ad-ac4a-4da6-9076-e85b4c535372

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Main Author: Ashton, Frances Stevie
Other Authors: Dramowski, Angela
Format: Thesis
Language:English
Published: Stellenbosch : Stellenbosch University 2025
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access_status_str Open Access
author Ashton, Frances Stevie
author2 Dramowski, Angela
author_browse Ashton, Frances Stevie
Dramowski, Angela
author_facet Dramowski, Angela
Ashton, Frances Stevie
author_sort Ashton, Frances Stevie
collection Thesis
dc_rights_str_mv Stellenbosch University
description Ashton, F. S. 2025. Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting. Unpublished masters thesis. Stellenbosch: Stellenbosch University [online]. Available: https://scholar.sun.ac.za/items/18af43ad-ac4a-4da6-9076-e85b4c535372
format Thesis
id oai:scholar.sun.ac.za:10019.1/133108
institution Stellenbosch University (South Africa)
language English
last_indexed 2026-06-10T12:41:24.431Z
license_str Other — see source repository
provenance_str_mv Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository
publishDate 2025
publishDateRange 2025
publishDateSort 2025
publisher Stellenbosch : Stellenbosch University
publisherStr Stellenbosch : Stellenbosch University
record_format dspace
source_str SUNScholar — Stellenbosch University Repository
spelling oai:scholar.sun.ac.za:10019.1/133108 Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting Ashton, Frances Stevie Dramowski, Angela Bekker, Adrie Aucamp, Marina Reddy, Kessendri Whitelaw, Andrew Stellenbosch University. Faculty of Medicine and Health Sciences. Dept. of Paediatrics and Child Health. Neonatal infections -- Mortality Septicemia in children Nosocomial infections in children Public health surveillance UCTD Ashton, F. S. 2025. Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting. Unpublished masters thesis. Stellenbosch: Stellenbosch University [online]. Available: https://scholar.sun.ac.za/items/18af43ad-ac4a-4da6-9076-e85b4c535372 The published article is available at https://www.mdpi.com/2079-6382/14/4/392 Thesis (MMed)--Stellenbosch University, 2025. ENGLISH ABSTRACT: Introduction: Data from African neonatal units conducting bloodstream infection (BSI) surveillance is limited. Methods: Prospective clinical and laboratory surveillance of incident BSI episodes was conducted among in-patients at the 132-bed neonatal service at Tygerberg Hospital Cape Town, South Africa (2017 – 2021), describing patient demographics, BSI rates, pathogen profile and empiric antibiotic concordance rates. Results: In total, 842 BSI episodes were identified in 740 neonates; most were preterm (661/740; 89.3%) and of low birth weight (640/740; 86.5%). The early onset BSI rate (<3 days of life) was 2.9/1000 live births, with S. agalactiae, K. pneumoniae and E. coli predominating. Over time, ampicillin plus gentamicin concordance rates for early onset BSI pathogens declined from 93.8% to 63.6%. The healthcare associated BSI rate (onset >3 days of life) was 3.4/1000 in-patient days, with K. pneumoniae, S. aureus and S. marcescens predominating. Antibiotic concordance rates for healthcare associated BSIs improved over time, from 72.2% to 89.2% (piperacillin plus amikacin), and from 68.1% to 84.6% (meropenem). Nearly one-third of BSI episodes were fatal (244/842; 29.0%), with two-thirds of these deaths considered BSI-attributable. Gram-negative BSIs increased mortality (OR 2.88; 95% CI 1.93-4.32) compared to gram-positive BSIs (p<0.001). Discordant empiric antibiotic therapy (OR 1.55; 95% CI 1.10-2.17) increased risk of death compared to concordant therapy (p = 0.012). Conclusion: Neonatal BSI surveillance demonstrated that gram-negative pathogens remain important causes of early onset and healthcare associated BSIs in this resource-limited neonatal service. Declining empiric antibiotic coverage of early onset BSIs requires a change in treatment guidelines to minimise discordant therapy rates. AFRIKAANSE OPSOMMING: Geen opsomming beskikbaar. Masters 2025-07-18T06:12:09Z 2025-07-18T06:12:09Z 2025-03 Thesis https://scholar.sun.ac.za/handle/10019.1/133108 en Stellenbosch University 45 pages : illustrations application/pdf Stellenbosch : Stellenbosch University
spellingShingle Neonatal infections -- Mortality
Septicemia in children
Nosocomial infections in children
Public health surveillance
UCTD
Ashton, Frances Stevie
Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title_full Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title_fullStr Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title_full_unstemmed Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title_short Development and implementation of a neonatal bloodstream infection surveillance programme in a resource-limited setting
title_sort development and implementation of a neonatal bloodstream infection surveillance programme in a resource limited setting
topic Neonatal infections -- Mortality
Septicemia in children
Nosocomial infections in children
Public health surveillance
UCTD
url https://scholar.sun.ac.za/handle/10019.1/133108
work_keys_str_mv AT ashtonfrancesstevie developmentandimplementationofaneonatalbloodstreaminfectionsurveillanceprogrammeinaresourcelimitedsetting