Neurological disorders in essential thrombocythemia.

Abstract:

:Patients with essential thrombocythemia often complain of various subjective neurological symptoms. This prospective study aims to assess their incidence and response to therapy. Among 37 consecutive patients with essential thrombocythemia, 11 presented with neurological symptoms. Among them 4 had thrombotic events, 7 complained of transient or fluctuating subjective symptoms, and one had both. Brain magnetic resonance imagery failed to detect any substratum in patients with subjective symptoms. JAK2V617F mutation was found in 9 of 11 patients with neurological symptoms versus 14 of 26 patients without symptoms. Ten patients received low-dose aspirin for these symptoms: complete resolution was observed in 3, improvement with persisting episodes in 2, and resistance to aspirin in 2 patients, in whom addition of cytoreductive therapy became necessary to resolve those disabling symptoms. In this prospective cohort, 30% of patients with essential thrombocythemia presented neurological symptoms. Aspirin was fully efficient in only 30% of cases. JAK2V617F mutation could be a risk factor for such symptoms.

journal_name

Haematologica

journal_title

Haematologica

authors

Billot S,Kouroupi EG,Le Guilloux J,Cassinat B,Jardin C,Laperche T,Fenaux P,Carpentier AF,Kiladjian JJ

doi

10.3324/haematol.2011.050005

subject

Has Abstract

pub_date

2011-12-01 00:00:00

pages

1866-9

issue

12

eissn

0390-6078

issn

1592-8721

pii

haematol.2011.050005

journal_volume

96

pub_type

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