ArticleMuscle & nerve2022
Milestones of progression in myotonic dystrophy type 1 and type 2.
Article in Muscle & nerve, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Myotonic dystrophy family registry. The patient experience.Journal of neuromuscular diseases · 2026Article
- The blind men and the elephant: recognising the multisystem symptoms of myotonic dystrophy type 1.Orphanet journal of rare diseases · 2025Review
- Survival in myotonic dystrophy type 1: a long time follow up-study with special reference to gastrointestinal symptoms.Upsala journal of medical sciences · 2024Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
INTRODUCTION/
aimsDisease progression in myotonic dystrophy (DM) is marked by milestone events when functional thresholds are crossed. DM type 2 (DM2) is considered less severe than DM type 1 (DM1), but it is unknown whether this applies uniformly to all features. We compared the age-dependent risk for milestone events in DM1 and DM2 and tested for associations with age of onset and sex.
methodsWe studied a large cohort of adult participants in a national registry of DM1 and DM2. Using annual surveys from participants, we ascertained milestone events for motor involvement (use of cane, walker, ankle brace, wheelchair, or ventilatory device), systemic involvement (diabetes, pacemaker, cancer), loss of employment due to DM, and death.
resultsMean follow-up of registry participants (929 DM1 and 222 DM2 patients) was 7 years. Disability and motor milestones occurred at earlier ages in DM1 than in DM2. In contrast, the risk of diabetes was higher and tended to occur earlier in DM2 (hazard ratio [HR], 0.56; P ≤ .001). In DM1, the milestone events tended to occur earlier, and life expectancy was reduced, when symptoms began at younger ages. In DM1, men were at greater risk for disability (HR, 1.34; P ≤ .01), use of ankle braces (HR, 1.41; P = .02), and diabetes (HR, 2.2; P ≤ .0001), whereas women were at greater risk for needing walkers (HR, 0.68; P = .001) or malignancy (HR, 0.66; P ≤ .01). DISCUSSION: Milestone events recorded through registries can be used to assess long-term impact of DM in large cohorts. Except for diabetes, the age-related risk of milestone events is greater in DM1 than in DM2.
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Registered trials
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.