トピックス

ニューロサイエンスの旅 Vol.43

当科の黒田が長年の友人であるProf. Turgut Tatlisumakとともに執筆した「若年成人の脳出血」に関する総説が、Nature Review Neurology誌に掲載されました。
欧州の神経内科医もこの領域にかなり興味を持っているようで、執筆中もさまざまな議論を尽くした上で完成した原稿で、今回の出版は大変感慨深いものです。

A Voyage to Depth of Neuroscience Vol. 43

Nontraumatic intracerebral haemorrhage in young adults.

Tatlisumak T, Cucchiara B, Kuroda S, Kasner SE, Putaala J.

Nat Rev Neurol. 2018 Mar 9. doi: 10.1038/nrneurol.2018.17. [Epub ahead of print] Review.

Nontraumatic intracerebral haemorrhage (ICH) is a common subtype of stroke with a poor prognosis, high mortality and long-term morbidity. The incidence of ICH increases with age. ICH has not been widely investigated in young adults (herein defined as aged ∼18-50 years) despite an annual incidence of ∼5 per 100,000 individuals. Furthermore, ICH characteristics differ between young and elderly patients. Risk factors for ICH are surprisingly common in young adults, in whom ICH is often caused by structural lesions or hypertension, and only rarely by anticoagulation therapy and cerebral amyloid angiopathy (which are common predisposing factors in elderly patients). High short-term mortality (17% at 3 months) and long-term mortality (>25% at 10 years) persist even in contemporary series from high-income countries, and long-term disability is very common. Thus, an aggressive approach to identifying treatable underlying conditions and preventing ICH recurrence is indicated in young patients, although treatment strategies have generally not been investigated specifically in this age group. This narrative Review summarizes existing knowledge on the epidemiology, risk factors, causes, diagnosis, treatment and outcomes of ICH in young adults. We provide comparisons with the population of elderly patients with ICH and discuss challenges for future research.

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