The DOI matches its Crossref record.
Cerebral microembolism in symptomatic and asymptomatic high‐grade internal carotid artery stenosis
Abstract
Using transcranial Doppler (TCD) ultrasonography in patients with high-grade (> or = 70%) internal carotid artery (ICA) stenosis, we examined the relation between the rate of TCD-detected silent microembolism of the ipsilateral middle cerebral artery and a history of recent (< 121 days) ischemic symptoms attributable to the diseased ICA. In the so-defined neurologically symptomatic group (n = 33 patients), silent microembolic events occurred in 27 subjects (overall mean rate, 14/h +/- 29). Among 56 neurologically asymptomatic patients matched for the degree of ICA stenosis, only nine showed such events (overall mean rate, 0.35/h +/- 1.4). Across all 89 patients studied, an individual microembolic event rate > or = 2/h had a positive predictive value of 0.88 for a history of recent symptoms. Our data suggest that TCD monitoring can provide reliable paraclinical evidence of "unstable ICA disease."
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Caplan, L. R., & Hennerici, M. (1998) · Archives of Neurology · doi:10.1001/archneur.55.11.1475 · Cited by 869
Sitzer, M., Müller, W., Siebler, M., Hort, W., Kniemeyer, H.-W., Jäncke, L., & Steinmetz, H. (1995) · Stroke · doi:10.1161/01.str.26.7.1231 · Cited by 340
Self-citationAsymptomatic Embolization Predicts Stroke and TIA Risk in Patients With Carotid Artery Stenosis
Molloy, J., & Markus, H. S. (1999) · Stroke · doi:10.1161/01.str.30.7.1440 · Cited by 301
Wong, K. S., Gao, S., Chan, Y. L., Hansberg, T., Lam, W. W. M., Droste, D. W., Kay, R., & Ringelstein, E. B. (2002) · Annals of Neurology · doi:10.1002/ana.10250 · Cited by 268
Metadata
- Authors
- Siebler, M., Kleinschmidt, A., Sitzer, M., Steinmetz, H., & Freund, H.-J.
- Venue
- Neurology
- Published
- 1994-04
- Volume
- 44
- Issue
- 4
- Pages
- 615-615
- ISSN
- 0028-3878 (ISSN-L)
- 1526-632X
- OpenAlex
- W1970057679
- Cited by
- 194
- References
- 0
- FWCI
- 16.19
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Cerebral microembolism in symptomatic and asymptomatic high‐grade internal carotid artery stenosis. https://app.cochat.ai/papers/10.1212/wnl.44.4.615
- The paper
- Siebler, M., Kleinschmidt, A., Sitzer, M., Steinmetz, H., & Freund, H.-J. (1994). Cerebral microembolism in symptomatic and asymptomatic high‐grade internal carotid artery stenosis. Neurology. https://doi.org/10.1212/wnl.44.4.615
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
