Microembolic signals in acute posterior circulation cerebral ischemia: sources and consequences

Stroke; a Journal of Cerebral Circulation
Jaechun HwangGyeong-Moon Kim

Abstract

The clinical significance of microembolic signals (MES) in the posterior circulation remains unclear. The aim of this study was to investigate the sources and consequences of MES in acute posterior circulation cerebral ischemia. We evaluated a total of 140 consecutive patients (93 males, mean age 62.9 years) who had acute posterior circulation cerebral ischemia. The MES monitoring was conducted at the basilar artery through the suboccipital window for a 30-minute period. MES were detected in 18 (12.9%) of the 140 patients. Clinical characteristics and laboratory data did not differ between the MES-positive and MES-negative groups. Intracranial vertebrobasilar artery (VBA) stenosis was independently associated with the presence of MES (odds ratio, 9.85; 95% confidence interval, 1.22-79.48; P=0.032), whereas the patients with vertebral artery stenosis that was limited to the extracranial portion did not show an association. Microembolic signals occurred significantly more frequently in patients with severe degree of VBA stenosis compared to those with nonsignificant stenosis (odds ratio, 9.88; 95% confidence interval, 1.23-79.07; P=0.031). In a subgroup analysis of the 79 patients who had lesions on diffusion-weighted images and ...Continue Reading

References

Sep 16, 1999·Journal of Neurology, Neurosurgery, and Psychiatry·D W DrosteE B Ringelstein
Feb 19, 2000·Neurology·A E BairdS Warach
Jan 26, 2002·Cerebrovascular Diseases·Dirk W DrosteE Bernd Ringelstein
Jul 10, 2002·Stroke; a Journal of Cerebral Circulation·Giovanni OrlandiLuigi Murri
Jan 2, 2003·QJM : Monthly Journal of the Association of Physicians·G C Cloud, H S Markus
Sep 7, 2004·Annals of Neurology·Louis R CaplanMichael S Pessin
Oct 30, 2004·Stroke; a Journal of Cerebral Circulation·Shan GaoE Bernd Ringelstein
Jun 24, 2005·The New England Journal of Medicine·Sean I Savitz, Louis R Caplan
Oct 15, 2005·Stroke; a Journal of Cerebral Circulation·J David SpenceGary G Ferguson
Jan 3, 2007·Cerebrovascular Diseases·Makoto NakajimaKazuo Minematsu
Jun 26, 2007·Journal of the Neurological Sciences·Yasuyuki IguchiTakeshi Inoue
Jun 30, 2007·Stroke; a Journal of Cerebral Circulation·Massimo Del SetteCarlo Gandolfo
May 30, 2009·Stroke; a Journal of Cerebral Circulation·Giosué GulliHugh S Markus

❮ Previous
Next ❯

Citations

Feb 5, 2013·Current Treatment Options in Cardiovascular Medicine·Aaron StaymanRishi Gupta
Oct 1, 2015·Cephalalgia : an International Journal of Headache·I PetrusicN Sternic
Jun 20, 2017·Stroke; a Journal of Cerebral Circulation·Changqing ZhangUNKNOWN Chinese IntraCranial AtheroSclerosis (CICAS) Study Group
Jun 22, 2019·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Marco SparacoAndrea Zini
Jan 6, 2022·International Journal of Stroke : Official Journal of the International Stroke Society·Song J KimDavid S Liebeskind

❮ Previous
Next ❯

Related Concepts

Related Feeds

Brain Ischemia

Brain ischemia is a condition in which there is insufficient blood flow to the brain to meet metabolic demand. Discover the latest research on brain ischemia here.

Related Papers

Stroke; a Journal of Cerebral Circulation
In Soo MoonSeong-Ho Park
Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging
M Fareed K Suri, S Claiborne Johnston
Lancet Neurology
Heinrich P MattleGerhard Schroth
Journal of the Neurological Sciences
David F MooreRaphael Schiffmann
© 2022 Meta ULC. All rights reserved