Evidence map›Paper›PMID 19082356›Full record

ArticleBrazilian journal of otorhinolaryngology

Screening of the mitochondrial A1555G mutation in patients with sensorineural hearing loss.

Luciano Pereira Maniglia, Bruna Carolina Lemos Moreira, Magali Aparecida Orate Menezes da Silva, Vânia Belintani Piatto, José Victor Maniglia

Open access · goldAbstract read
In one paragraph

Article in Brazilian journal of otorhinolaryngology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–field-weighted citation impact, top 72% 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

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Genetics of non syndromic hearing loss in the republic of macedonia.Balkan journal of medical genetics : BJMG · 2012
    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

5 authors at 3 institutions in 2 countries.

Luciano Pereira ManigliaMaster's degree student, faculty member of the Otorhinolaryngology and Head & Neck Surgery Department, Medical School, S. J. Rio Preto, SP, FAMERP. Electronic address: vbpiatto@gmail.com.
Bruna Carolina Lemos MoreiraMedical student, Medical School, São José do Rio Preto, SP, FAMERP.
Magali Aparecida Orate Menezes da SilvaMaster's degree; head of the Speech Therapy Unit, Otorhinolaryngology and Head & Neck Surgery Department, Medical School, S. J. Rio Preto, SP, FAMERP.
Vânia Belintani PiattoDoctor, Adjunct professor.
José Victor ManigliaLivre-docente (habilitation) professor, head of the Otorhinolaryngology and Head & Neck Surgery Department, Medical School, S. J. Rio Preto, SP, FAMERP. Medical School, São José do Rio Preto, SP, FAMERP.
Faculdade de Medicina de São José do Rio Preto · BRMarymount University · USMaster's College · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

unlabelledThe A1555G mitochondrial mutation is the main alteration associated with aminoglycoside-induced deafness.

aimto investigate the prevalence of the A1555G mutation in patients sensorineural hearing loss patients with and without aminoglycosides antibiotic use. MATERIAL AND

methoda study of 27 cases with deafness as the sample, and 100 neonates with normal hearing as the control group. DNA was extracted from blood leukocyte samples, and specific oligonucleotide primers were designed to amplify the cytochrome b gene and the region which encloses the A1555G mutation of the mitocondrial DNA using the polymerase chain reaction and restriction fragment length polymorphism.

designa cross-sectional case study.

resultsa region of the cytochrome b gene was amplified and the presence of the mtDNA was confirmed in all of the 127 cases. The A1555G mutation was not found in any of the 27 patients with hearing loss or the control group with 100 neonates.

conclusionthe results agree with studies stating that the A1555G mutation is not prevalent in the Americas. There is interest in establishing the real prevalence of this mutation and to investigate other mutations that may cause hearing loss, associated or not with the use of aminoglycosides, in the Brazilian population.

Indexed as

MutationAdultAminoglycosidesChildChild, PreschoolCross-Sectional StudiesDNA, MitochondrialFemaleGenetic TestingHearing Loss, SensorineuralHumansMalePolymerase Chain ReactionPolymorphism, Restriction Fragment LengthAminoglycosidesDNA, Mitochondrial

Identifiers

PMID19082356
PMCPMC9445927
OpenAlexW2661484251

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.