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. 2022 Jun 13;17(1):226.
doi: 10.1186/s13023-022-02383-w.

Lifetime extension and the recent cause of death in Werner syndrome: a retrospective study from 2011 to 2020

Hisaya Kato  1   2 , Masaya Koshizaka  3   4 , Hiyori Kaneko  3   4 , Yoshiro Maezawa  3   4 , Koutaro Yokote  5   6
Affiliations

Lifetime extension and the recent cause of death in Werner syndrome: a retrospective study from 2011 to 2020

Hisaya Kato et al. Orphanet J Rare Dis. .

Abstract

Background: Werner syndrome (WS) is an autosomal recessive premature ageing disease that causes accelerated ageing-like symptoms after puberty. Previous studies conducted in the late 2000s reported that malignant neoplasms and atherosclerotic diseases were the two leading causes of death, with life expectancies in the mid-50 s. However, the recent lifespan and cause of death in patients with WS remain unclear.

Objective: To clarify the latest lifespan and causes of death in patients with WS.

Method: We conducted a questionnaire-based survey in 2020 among the primary doctors of WS patients who were identified in previous nationwide surveys in Japan and clarified the following: the age of WS patients (age of death, if the patient had already died), sex, and cause of death. Patients who died in 2010 or earlier were excluded from the analysis.

Results: A total of 123 living patients were identified at the time of the survey in 2020. Fourteen WS patients died between 2011 and 2020, with a mean age of 59.0 ± 8.9 years (mean ± SD). The most common cause of death was non-epithelial tumours, accounting for eight deaths, while no patient died of atherosclerotic diseases.

Conclusions: Compared to previous studies, this study suggests that the lifespan of patients with WS has been extended. Although there were no deaths due to atherosclerotic diseases, non-epithelial tumours were still the leading cause of death. Further development of screening and treatment methods for these tumours is required.

Keywords: Ageing; Epidemiology; Etiology; Lifespan; Mortality; Rare disease; Werner syndrome.

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Conflict of interest statement

The authors declare that they have no competing interests.

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