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Comparison of Imaging Selection Criteria for Intra-Arterial Thrombectomy in Acute Ischemic Stroke with Advanced CT

Overview of attention for article published in European Radiology, December 2015
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36 Mendeley
Title
Comparison of Imaging Selection Criteria for Intra-Arterial Thrombectomy in Acute Ischemic Stroke with Advanced CT
Published in
European Radiology, December 2015
DOI 10.1007/s00330-015-4141-1
Pubmed ID
Authors

Eung Yeop Kim, Dong Hoon Shin, Young Noh, Byeong Ho Goh, Yeong-Bae Lee

Abstract

To compare two selection criteria (noncontrast CT [NCCT] with multi-phase CT Angiography [MPCTA] and CT perfusion [CTP]) for the determination of eligibility for thrombectomy. We retrospectively enrolled 71 patients who underwent head NCCT, 9.6-cm CTP, and craniocervical single-phase CTA (SPCTA) within 6 hours of onset. The simulated MPCTA was reconstructed from 1-mm CTP images for assessment of collateral circulation. Infarct core (relative CBF < 30 %) and penumbra (Tmax > 6 seconds) volumes were measured. The infarct core < 70 mL with a mismatch ratio > 1.2 (CTP-A), infarct core ≤ 40 mL with a mismatch ratio > 1.8 (CTP-B), and ASPECTS > 5 with good collaterals (50 % ≥ MCA territory) were used to determine eligibility for thrombectomy. SPCTA was compared with the simulated MPCTA for assessment of collaterals. CTP-B determined that 11 patients were ineligible for thrombectomy, of which three were eligible by NCCT with MPCTA and 6 by CTP-A. CTP-A and CTP-B showed discrepancy in determining eligibility for thrombectomy between NCCT with MPCTA in three patients each, rendering no significant statistical difference (P > 0.05). The number of patients with poor collaterals was significantly higher on SPCTA than MPCTA (n = 22 and 6 respectively; P < 0.0001). The two imaging selection criteria (NCCT with MPCTA and CTP) were statistically comparable for determining eligibility for thrombectomy. • Early mechanical thrombectomy improves clinical outcomes. • Noncontrast CT-multi-phase CTA is used for determining eligibility for thrombectomy. • CTP can help to select patients who are eligible for thrombectomy. • Noncontrast CT-multi-phase CTA and CTP are comparable for patient selection. • Multi-phase CTA is more accurate than single-phase CTA for assessment of collaterals.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 36 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Japan 1 3%
Hungary 1 3%
Unknown 34 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 19%
Other 7 19%
Student > Master 6 17%
Professor > Associate Professor 4 11%
Student > Bachelor 3 8%
Other 9 25%
Readers by discipline Count As %
Medicine and Dentistry 18 50%
Unspecified 6 17%
Neuroscience 2 6%
Engineering 2 6%
Nursing and Health Professions 2 6%
Other 6 17%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 December 2015.
All research outputs
#9,376,702
of 12,220,741 outputs
Outputs from European Radiology
#1,101
of 1,596 outputs
Outputs of similar age
#200,749
of 320,363 outputs
Outputs of similar age from European Radiology
#34
of 67 outputs
Altmetric has tracked 12,220,741 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,596 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 28th percentile – i.e., 28% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 320,363 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 67 others from the same source and published within six weeks on either side of this one. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.