Embolic signals during routine transcranial Doppler ultrasonography in aneurysmal subarachnoid hemorrhage.

Abstract:

INTRODUCTION:Cerebral emboli may occur in subarachnoid hemorrhage (SAH) and intracranial aneurysm surgery. Although embolic signs (ES) have been reported in SAH, their origin remains unclear. The aim of this study was to report the detection of ES during routine TCD monitoring in patients with aneurysmal SAH. METHODS:A total of 105 patients with aneurysmal SAH were submitted to TCD evaluation. Patients were monitored almost daily (5 times per week). In each monitoring session, one experienced operator performed TCD to detect or assess vasospasm and ES in arteries of the Willis polygon. RESULTS:Four patients out of a total of 105 patients with aneurysmal SAH were found to present spontaneous cerebral embolization during routine TCD monitoring. The average age of the 4 patients (mean ± standard deviation) was 59.5 ± 8.34 years (range 49-68 ys); female patients predominated representing 75% (3/4) of subjects. CONCLUSION:Although detection of ES was relatively rare in this study, rates of emboli occurrence may be higher under systematic monitoring. The detection of ES after SAH surgery reinforces the need to study the role of embolus in this condition and may be an indicator for prophylactic antithrombotic treatment.

journal_name

Biomed Res Int

authors

Paschoal FM Jr,de Almeida Lins Ronconi K,de Lima Oliveira M,Nogueira Rde C,Paschoal EH,Teixeira MJ,Figueiredo EG,Bor-Seng-Shu E

doi

10.1155/2015/153714

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

153714

eissn

2314-6133

issn

2314-6141

journal_volume

2015

pub_type

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