Evidence map›Paper›PMID 41059415›Full record

ArticleNorthern clinics of Istanbul2025

Epidemiological study of congenital myasthenic syndromes based on national electronic health database of Turkiye.

Berin Inan, Bilgin Ozturk, Naim Ata, Esra Taskiran, Suayip Birinci, Riza Sonkaya, Erdal Eroglu, Omer Karadas, Ersin Tan, Zeki Odabasi

Abstract read
In one paragraph

Article in Northern clinics of Istanbul, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

1 citing paper in PubMed.

  1. Trial
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.

Berin InanDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.
Bilgin OzturkDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.
Naim AtaGeneral Directorate of the Health Information Systems, Republic of Turkiye Ministry of Health, Ankara, Turkiye.
Esra TaskiranDepartment of Neurology, University of Health Sciences, Antalya Training and Research Hospital, Antalya, Turkiye.
Suayip BirinciDeputy Health Minister, Republic of Turkiye Ministry of Health, Ankara, Turkiye.
Riza SonkayaDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.
Erdal ErogluDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.
Omer KaradasDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.
Ersin TanDepartment of Neurology, Hacettepe University Faculty of Medicine, Ankara, Turkiye.
Zeki OdabasiDepartment of Neurology, University of Health Sciences, Gulhane Faculty of Medicine, Ankara, Turkiye.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveCongenital myasthenic syndromes (CMS) represent a group of genetically heterogenous disorders characterized by defective signal transmission at the neuromuscular junction. Although global prevalence of CMS remains uncertain, regional studies have reported varying prevalence rates. This study aimed to define the incidence and prevalence of CMS in Turkiye utilizing data from the national electronic health registry. Additionally, the rate of pyridostigmine prescriptions among patients with CMS was assessed.

methodsThe study was a retrospective national cohort study, and patients with at least three G70.2 ICD-10 code entries between 1 January 2015 and 22 May 2024 were included. While calculating incidence and prevalence rates official census data from the Turkish Statistical Institute were used.

resultsA total of 406 patients were included in the study, with females comprising 48.8% of the cohort. The mean age at diagnosis was 20.59±21.65 years (median: 12.00, min-max: 0-86). Among the cohort, 58.6% were diagnosed before the age of 18, and 12.3% before the age of one. Pyridostigmine was prescribed at least once to 68.2% of the patients. The annual incidence of CMS ranged from 0.28 to 0.59 per million between 2016 and 2023. In 2023, the incidence and prevalence rates of CMS were calculated as 0.63 and 4.49 per million, respectively.

conclusionThis study represents the first comprehensive nationwide epidemiological analysis of CMS in Turkiye utilizing the national electronic health registry. The study enhances the understanding of the epidemiological landscape of CMS in the country by reporting the current incidence, prevalence, and pyridostigmine prescription rates and underscores the significance of this rare but impactful neuromuscular disorder.

Indexed as

Congenital myasthenic syndromesepidemiologyincidenceprevalence

Identifiers

PMID41059415
PMCPMC12497907

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