Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis

Purpose The main objective of this review was to describe and quantify the association between Fusobacterium necrophorum (FN) and acute sore throat in primary healthcare (PHC).Methods In this systematic review and meta-analysis, we searched Scopus and PubMed for case–control studies reporting the pr...

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Main Authors: Ronny Gunnarsson, Pär-Daniel Sundvall, Katarina Hedin, Stefan Malmberg, Susanna Petrén
Format: Article
Language:English
Published: BMJ Publishing Group 2021-06-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/11/6/e042816.full
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author Ronny Gunnarsson
Pär-Daniel Sundvall
Katarina Hedin
Stefan Malmberg
Susanna Petrén
author_facet Ronny Gunnarsson
Pär-Daniel Sundvall
Katarina Hedin
Stefan Malmberg
Susanna Petrén
author_sort Ronny Gunnarsson
collection DOAJ
description Purpose The main objective of this review was to describe and quantify the association between Fusobacterium necrophorum (FN) and acute sore throat in primary healthcare (PHC).Methods In this systematic review and meta-analysis, we searched Scopus and PubMed for case–control studies reporting the prevalence of FN in patients attending primary care for an uncomplicated acute sore throat as well as in healthy controls. Only studies published in English were considered. Publications were not included if they were case studies, or if they included patients prescribed antibiotics before the throat swab, patients with a concurrent malignant disease, on immunosuppression, having an HIV infection, or patients having another acute infection in addition to a sore throat. Inclusion criteria and methods were specified in advance and published in PROSPERO. The primary outcome was positive etiologic predictive value (P-EPV), quantifying the probability for an association between acute sore throat and findings of FN in the pharynx. For comparison, our secondary outcome was the corresponding P-EPV for group A Streptococcus (GAS).Results PubMed and Scopus yielded 258 and 232 studies, respectively. Removing duplicates and screening the abstracts resulted in 53 studies subsequently read in full text. For the four studies of medium to high quality included in the meta-analysis, the cumulative P-EPV regarding FN was 64% (95% CI 33% to 83%). GAS, based on data from the same publications and patients, yielded a positive EPV of 93% (95% CI 83% to 99%).Conclusions The results indicate that FN may play a role in PHC patients with an acute sore throat, but the association is much weaker compared with GAS.
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spelling doaj-art-53a31af69f1c4c7badf74c16a24564d72024-11-20T06:45:11ZengBMJ Publishing GroupBMJ Open2044-60552021-06-0111610.1136/bmjopen-2020-042816Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysisRonny Gunnarsson0Pär-Daniel Sundvall1Katarina Hedin2Stefan Malmberg3Susanna Petrén4General Practice/Family Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden4 General Practice/Family Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, SwedenFaculty of Medicine and Health Sciences, Linköping University, Linköping, SwedenGeneral Practice / Family Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, SwedenGeneral Practice / Family Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, SwedenPurpose The main objective of this review was to describe and quantify the association between Fusobacterium necrophorum (FN) and acute sore throat in primary healthcare (PHC).Methods In this systematic review and meta-analysis, we searched Scopus and PubMed for case–control studies reporting the prevalence of FN in patients attending primary care for an uncomplicated acute sore throat as well as in healthy controls. Only studies published in English were considered. Publications were not included if they were case studies, or if they included patients prescribed antibiotics before the throat swab, patients with a concurrent malignant disease, on immunosuppression, having an HIV infection, or patients having another acute infection in addition to a sore throat. Inclusion criteria and methods were specified in advance and published in PROSPERO. The primary outcome was positive etiologic predictive value (P-EPV), quantifying the probability for an association between acute sore throat and findings of FN in the pharynx. For comparison, our secondary outcome was the corresponding P-EPV for group A Streptococcus (GAS).Results PubMed and Scopus yielded 258 and 232 studies, respectively. Removing duplicates and screening the abstracts resulted in 53 studies subsequently read in full text. For the four studies of medium to high quality included in the meta-analysis, the cumulative P-EPV regarding FN was 64% (95% CI 33% to 83%). GAS, based on data from the same publications and patients, yielded a positive EPV of 93% (95% CI 83% to 99%).Conclusions The results indicate that FN may play a role in PHC patients with an acute sore throat, but the association is much weaker compared with GAS.https://bmjopen.bmj.com/content/11/6/e042816.full
spellingShingle Ronny Gunnarsson
Pär-Daniel Sundvall
Katarina Hedin
Stefan Malmberg
Susanna Petrén
Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
BMJ Open
title Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
title_full Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
title_fullStr Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
title_full_unstemmed Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
title_short Acute sore throat and Fusobacterium necrophorum in primary healthcare: a systematic review and meta-analysis
title_sort acute sore throat and fusobacterium necrophorum in primary healthcare a systematic review and meta analysis
url https://bmjopen.bmj.com/content/11/6/e042816.full
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