Evidence map›Paper›PMID 29221480›Full record

SynthesisBMC pulmonary medicine2017

Prevalence and etiologies of pulmonary hypertension in Africa: a systematic review and meta-analysis.

Jean Joel Bigna, Jean Jacques Noubiap, Jobert Richie Nansseu, Leopold Ndemnge Aminde

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in BMC pulmonary medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 2 pooled it
2.5field-weighted citation impact, top 10% 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

27 citing papers in PubMed, 2 syntheses or guidelines pooled it, 40 citations in OpenAlex.

  1. The prevalence of pulmonary hypertension in post-tuberculosis and active tuberculosis populations: a systematic review and meta-analysis.European respiratory review : an official journal of the European Respiratory Society · 2024
    Pooled it
  2. Pooled it
  3. Article
  4. Review
  5. Journal of preventive medicine and hygiene · 2026
    Article
  6. Review
  7. Review
  8. Article
  9. Review
  10. Article
  11. Pulmonary hypertension associated with left heart disease.The European respiratory journal · 2024
    Review
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. Observational
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

4 authors at 4 institutions in 4 countries.

Jean Joel BignaDepartment of Epidemiology and Public Health, Centre Pasteur of Cameroon, Yaoundé, Cameroon. bignarimjj@yahoo.fr.
Jean Jacques NoubiapDepartment of Medicine, Groote Schuur Hospital and University of Cape Town, Cape Town, South Africa.
Jobert Richie NansseuDepartment of Public Health, Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon.
Leopold Ndemnge AmindeClinical Research Education, Networking and Consultancy (CRENC), Douala, Cameroon.
Groote Schuur Hospital · ZAUniversité de Yaoundé I · CMUniversité Paris-Sud · FRUniversity of Queensland · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDespite the recent increasing worldwide attention towards pulmonary hypertension (PH), its epidemiology remains poorly described in Africa. Accordingly, we performed a systematic review and meta-analysis of PH prevalence, incidence and etiologies in Africa.

methodsWe searched PubMed, EMBASE, African Journals Online, and Africa Index Medicus. Published observational studies until September 20, 2017, including adult participants residing in Africa were considered. Two review authors independently selected studies, assessed included studies for methodological quality, and extracted data. A random-effects model was used for meta-analysis. Heterogeneity was evaluated by the χ

resultsOf 1611 entries, 25 studies were retained. Twelve (48%), seven (28%), and six (24%) papers had respectively a low, moderate and high risk of bias. The prevalence of PH widely varied across different populations: 9.8% (95% confidence interval: 3.2-19.3; I

conclusionThe prevalence of PH is relatively high in some populations in Africa, perhaps mainly driven by left heart diseases, highlighting the need for context-specific interventions.

Indexed as

AfricaAnemia, Sickle CellChronic DiseaseComorbidityHeart FailureHIV InfectionsHumansHypertension, PulmonaryHypoxiaIncidenceKidney Failure, ChronicLung DiseasesLupus Erythematosus, SystemicPrevalencePulmonary Disease, Chronic ObstructivePulmonary EmbolismAfricaEpidemiologyMeta-analysisPulmonary arterial hypertensionPulmonary hypertensionSystematic review

Identifiers

PMID29221480
PMCPMC5723068
OpenAlexW2771510385

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.