Evidence map›Paper›PMID 35895407›Full record

ArticleThe American journal of tropical medicine and hygiene2022

Performance of Field's Stain Compared with Conventional Giemsa Stain for the Rapid Detection of Blood Microfilariae in Gabon.

Franck-A Ekoka Mbassi, Ghyslain Mombo-Ngoma, Wilfrid Ndzebe Ndoumba, Emmanuel K Yovo, Kirsten A Eberhardt, Dorothea Ekoka Mbassi, Ayôla A Adegnika, Selidji T Agnandji, Marielle K Bouyou-Akotet, Michael Ramharter and 1 more

Open access · hybridAbstract read
In one paragraph

Article in The American journal of tropical medicine and hygiene, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 2 pooled it
1.8field-weighted citation impact, top 13% 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

7 citing papers in PubMed, 2 syntheses or guidelines pooled it, 18 citations in OpenAlex.

  1. Pooled it
  2. Guideline
  3. Article
  4. Article
  5. Imported Loiasis at a Clinical Reference Center in Germany: A Retrospective Case Series.The American journal of tropical medicine and hygiene · 2024
    Article
  6. Review
  7. 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

11 authors at 5 institutions in 2 countries.

Franck-A Ekoka MbassiCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Ghyslain Mombo-NgomaCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Wilfrid Ndzebe NdoumbaCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Emmanuel K YovoCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Kirsten A EberhardtDepartment of Tropical Medicine, Bernhard Nocht Institute for Tropical' Medicine & I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Dorothea Ekoka MbassiCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Ayôla A AdegnikaCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Selidji T AgnandjiCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Marielle K Bouyou-AkotetDepartment of Parasitology-Mycology, Faculty of Medicine, University of Health Sciences, Libreville, Gabon.
Michael RamharterCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Rella Zoleko-ManegoCentre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
Centre de Recherche Médicales de Lambaréné · GAUniversität Hamburg · DEUniversity Medical Center Hamburg-Eppendorf · DEBernhard Nocht Institute for Tropical Medicine · DEUniversité des Sciences de la Santé · GA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Filarial infections caused by Loa loa and Mansonella perstans are a considerable public health burden in rural regions of Central Africa. Rapid diagnostic tools for the detection of microfilariae in the blood are needed. Field's stain is a rapid staining technique for microscopic slides originally established for malaria diagnostics. It requires less than 1 minute of staining compared with conventional staining protocols requiring at least 15 to 20 minutes for staining and could thus significantly accelerate diagnostics for human filariasis. Here we evaluated Field's stain as a rapid staining technique in comparison to Giemsa stain for the detection of microfilariae in peripheral blood. Blood smears were collected from 175 participants residing in the region of Lambaréné and Fougamou, Gabon. Each participant's samples were stained in parallel with Field's stain and conventional Giemsa stain. Slides were then microscopically assessed and compared for qualitative and quantitative results by a blinded assessor for the two endemic filarial blood pathogens M. perstans and L. loa. Field's stain shows excellent diagnostic performance characteristics for L. loa microfilariae compared with Giemsa staining. Concordance was favorable for M. perstans although lower than for L. loa. Field's stain offers a rapid alternative to Giemsa stain for detection of L. loa microfilariae in thick blood smears. This could help accelerate diagnostics of blood filarial pathogens in mass screening programs or resource constrained health care institutions with high patient load.

Indexed as

FilariasisLoiasisAnimalsAzure StainsColoring AgentsGabonHumansLoaMicrofilariaeAzure StainsColoring Agents

Identifiers

PMID35895407
PMCPMC9393457
OpenAlexW4284710374

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.