Evidence map›Paper›PMID 29699490›Full record

SynthesisBMC infectious diseases2018

The magnitude of antibiotic resistance to Helicobacter pylori in Africa and identified mutations which confer resistance to antibiotics: systematic review and meta-analysis.

Hyasinta Jaka, Jee Ah Rhee, Linda Östlundh, Luke Smart, Robert Peck, Andreas Mueller, Christa Kasang, Stephen E Mshana

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in BMC infectious diseases, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 4 pooled it
6.4field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

43 citing papers in PubMed, 4 syntheses or guidelines pooled it, 86 citations in OpenAlex.

  1. Pooled it
  2. Insights intoFrontiers in microbiology · 2024
    Pooled it
  3. Pooled it
  4. Pooled it
  5. Trial
  6. Trial
  7. Prevalence of primaryGut microbes · 2026
    Review
  8. Article
  9. Article
  10. Nutrients · 2025
    Review
  11. Overcoming antibiotic-resistantWorld journal of gastroenterology · 2025
    Review
  12. Declining eradication rates ofWorld journal of gastroenterology · 2025
    Article
  13. A critical review onFrontiers in cellular and infection microbiology · 2025
    Review
  14. Review
  15. Emergence of amoxicillin resistance in refractoryTherapeutic advances in gastroenterology · 2025
    Article
  16. Article
  17. Efficacy and tolerability ofHealth science reports · 2024
    Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 6 institutions in 5 countries.

Hyasinta JakaGastroenterology and Hepatology Unit, Weill Bugando School of Medicine, Catholic University of Heath and Allied Sciences and Bugando Hospital Mwanza, P.O. BOX 1464, Mwanza, Tanzania. yasintaliwa5@gmail.com.
Jee Ah RheeWeill Cornell Medicine-Qatar, Doha, Qatar.
Linda ÖstlundhNational Medical Library, United Arab Emirates University, Abu Dhabi, United Arab Emirates.
Luke SmartCincinnati Children's Hospital Medical Centre, Cincinnati, Ohio, USA.
Robert PeckGastroenterology and Hepatology Unit, Weill Bugando School of Medicine, Catholic University of Heath and Allied Sciences and Bugando Hospital Mwanza, P.O. BOX 1464, Mwanza, Tanzania.
Andreas MuellerMedical Mission Institute Wuerzburg, Wuerzburg, Germany.
Christa KasangMedical Mission Institute Wuerzburg, Wuerzburg, Germany.
Stephen E MshanaDepartment of Microbiology and Immunology, Weill Bugando School of Medicine, Catholic University of Heath and Allied Sciences Mwanza, Mwanza, Tanzania.
Catholic University of Health and Allied Sciences · TZMedical Mission Institute · DECincinnati Children's Hospital Medical Center · USUnited Arab Emirates University · AEWeill Cornell Medical College in Qatar · QAWeill Cornell Medicine · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWorldwide Helicobacter pylori (H.pylori) treatment is of great challenge due to increased antibiotic resistance. The burden of H. pylori antibiotic resistance in Africa is high with unclear information regarding the real magnitude. This systematic review and meta-analysis was conducted to investigate the magnitude of H.pylori antibiotic resistance in Africa to gain insight of the extent of the problem among H.pylori naïve treatment patients.

methodThe search was performed in the academic databases, Embase, PubMed, Web of Science and Africa Wide Information. ProQuest Dissertation and Theses, Scopus, Ethos, Africa Index Medicus (WHO), BioMed Central Proceedings, BASE, British Library, Open grey, Library of Congress and the New York Academy of Grey Literature Report were additionally searched for grey literature. Published articles from Africa on H.pylori antibiotic resistance between 1986 and June 2017 were systematically reviewed to estimate the H. pylori extent of resistance to macrolides, quinolones, amoxicillin, tetracycline and metronidazole.

resultsIn 26 articles a total of 2085 isolates were tested for metronidazole, 1530 for amoxicillin, 1277 for tetracycline, 1752 for clarithromycin and 823 for quinolones.The overall pooled proportion of H.pylori resistance to quinolones, clarithromycin, tetracycline, metronidazole and amoxicillin were: (17.4%, 95%CI 12.8 - 21.9), (29.2%, 95%CI:26.7-31.8), (48.7%, 95%CI: 44.5-52.9), (75.8%, 95% CI: 74.1-.77.4) and (72.6%, 95% CI: 68.6-76.6), respectively. The commonest mutation detected were A2143G (49/97) for clarithromycin, RdxA (41/56) for metronidazole and D87I (16/40) for quinolones.

conclusionPrevalence of metronidazole, clarithromycin, and amoxicillin resistance is high in developing world including Africa. This could impair the first line triple therapy of the H.pylori infection. There is a need of conducting surveillance of H.pylori susceptibility pattern in Africa for dual and triple resistance which can be used for the empirical treatment.

Indexed as

MutationAfricaAnti-Bacterial AgentsDrug Resistance, BacterialHelicobacter InfectionsHelicobacter pyloriHumansMicrobial Sensitivity TestsPrevalenceAnti-Bacterial AgentsAfricaAntibiotics resistanceClarithromycinDrug resistanceH.PyloriMetronidazoleQuinolones

Identifiers

PMID29699490
PMCPMC5921563
OpenAlexW2803849204

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.