Evidence map›Paper›PMID 31289356›Full record

ArticleEye (London, England)2019

Multifocal electroretinogram findings in sickle cell maculopathy.

Laurence Beral, Marc Romana, Nathalie Lemonne, Yoann Garnier, Marie Billaud, Malik Acomat, Coralie Zorobabel, Maryse Etienne-Julan, Thierry David, Philippe Connes

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Eye (London, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 27% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. [Maculopathy in sickle cell disease].Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft · 2021
    Review
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

10 authors at 3 institutions in 2 countries.

Laurence BeralService d'ophtalmologie, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Marc RomanaUMR Inserm 1134, Biologie Intégrée du Globule Rouge, INSERM/Université Paris Diderot-Université Sorbonne Paris Cité/INTS/Université des Antilles, Guadeloupe, France.
Nathalie LemonneUnité transversale de la Drépanocytose, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Yoann GarnierUMR Inserm 1134, Biologie Intégrée du Globule Rouge, INSERM/Université Paris Diderot-Université Sorbonne Paris Cité/INTS/Université des Antilles, Guadeloupe, France.
Marie BillaudUnité transversale de la Drépanocytose, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Malik AcomatService d'ophtalmologie, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Coralie ZorobabelService d'ophtalmologie, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Maryse Etienne-JulanUnité transversale de la Drépanocytose, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Thierry DavidService d'ophtalmologie, CHU de Pointe-à-Pitre/ Abymes, r de Chauvel, Pointe-à-Pitre, Guadeloupe, France.
Philippe ConnesUMR Inserm 1134, Biologie Intégrée du Globule Rouge, INSERM/Université Paris Diderot-Université Sorbonne Paris Cité/INTS/Université des Antilles, Guadeloupe, France. pconnes@yahoo.fr.
Centre Hospitalier Universitaire Pointe-à-Pitre · GPSorbonne Paris Cité · FRUniversité des Antilles · GP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe aim of the present work was to describe and compare multifocal electroretinogram findings (mfERG) between patients with sickle cell disease (SCD) without clinical sign of maculopathy and controls (HbAA).

methodsBoth HbSS (homozygous SCD) and HbSC (compound heterozygous SCD) patients, the two most frequent SCD genotypes, were included. All individuals underwent a full ophthalmologic examination (with a fundoscopy), a spectral domain ocular coherence tomography (SD-OCT) and a mfERG.

resultsA total of 86 subjects were included: 54 SCD patients (107 eyes) with 32 HbSS (63 eyes) and 22 HbSC (44 eyes) and 32 controls (64 eyes). None of the eyes showed retinal clinical abnormalities. SD-OCT analysis showed that macular thickness was statistically lower in SCD eyes than in controls. mfERG analysis demonstrated a significant reduction of N1 (initial-negative deflection), and P1 (positive peak) response amplitude densities of HbSS eyes compared to HbAA eyes from the centre (<2°) and to the periphery (>15°). Implicit time response was also reduced in the centre (<2°). N1 and P1 response amplitude densities of HbSC eyes were significantly lower than those of HbAA eyes from the centre (<2°) to the periphery (>15°). N1 implicit time was statistically reduced in HbSS compared to HbSC eyes.

conclusionOur study is the first one to describe macular electrophysiological dysfunction in SCD patients. Moreover, we confirm that SCD maculopathy is equally frequent in HbSS and HbSC.

Indexed as

Visual AcuityAdultAnemia, Sickle CellElectroretinographyFemaleFollow-Up StudiesHumansMacula LuteaMaleMiddle AgedProspective StudiesRetinal DiseasesTomography, Optical Coherence

Identifiers

PMID31289356
PMCPMC7002728
OpenAlexW2962422275

What OpenQuestion holds

Textmetadata
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.