ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2025
Diagnostic delay in patients with sporadic hereditary transthyretin-mediated amyloidosis.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2025. 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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3 citing papers in PubMed.
- Disease-Modifying Therapies for Hereditary Transthyretin Amyloidosis with Polyneuropathy: Current Status and Future Perspectives.Neurology and therapy · 2026Review
- Patient journey with Charcot-Marie-Tooth Disease - A German patient survey study.Orphanet journal of rare diseases · 2026Article
- On the crossroads of interdisciplinary medicine in amyloidosis - study protocol for a single-center interdisciplinary registry study.PloS one · 2026Article
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Abstract
backgroundHereditary transthyretin-mediated amyloidosis (ATTRv amyloidosis) is a rare progressively incapacitating condition with a wide range of genotype/phenotype presentations. It is frequently diagnosed late in its course, particularly in sporadic cases.
objectivesAnalysing predictors of diagnostic delay in this subpopulation should be, therefore, a priority.
methods109 apparently sporadic ATTRv amyloidosis patients followed in a reference centre in Hospital de Santa Maria (ULS Santa Maria-CAML), in Lisbon, were studied. Time from symptom onset to diagnosis, age, sex, municipality of origin and initial symptoms were obtained. Diagnostic delay was compared between different decades with a Kruskal-Wallis test, and its predictors were evaluated in a univariate model followed by a binary logistic regression analysis to calculate the adjusted odds ratio.
resultsThe median diagnostic delay was 1262 days. There was a non-significant difference in diagnostic delay between the 80 s, 90 s, 2000s and 2010s decades. There was a non-significant trend for a longer diagnostic delay in woman and in patients having no neurologic symptoms at onset.
conclusionThere is an important diagnostic delay in sporadic cases of ATTRv amyloidosis. Awareness should be spread among clinicians regarding the various manifestations of this disease, stressing the importance of family history and epidemiological data.
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