PSV: peak systolic velocities; EDV: end diastolic velocities. Table 1. Duplex ultrasound criteria for internal carotid artery stenosis. Carotid duplex ultrasonography
carol/SGZMRD caroler/M carom/SMDG carotene/SM carotid/SM carousal/SM criteria criterion/M critic/SM critical/PYU criticality criticalness/M criticism/SM duple duplex/MSRDG duplexer/M duplicability/M duplicable duplicate/SDVGNAX vellum/SM velocipede/SM velocity/MS velor/S velour's velum/M velvet/GMDS
The currently used carotid DUS velocity criteria overestimated the incidence of in-stent restenosis. We propose new velocity criteria for the ICA PSV of > 155 cm/s to define ≥ 30% in-stent restenosis. Duplex ultrasound velocity criteria for the diagnosis and grading of stenosis severity The test allows stratification of the degree of carotid artery stenosis on the basis of grayscale and Doppler velocity results into the following strata: normal (no stenosis), <50% stenosis, 50% to 69% stenosis, 70% to 79% stenosis, 80% to 99% stenosis, near-occlusion (string sign), and total occlusion. [27] Optimal carotid duplex velocity criteria for defining the severity of carotid in-stent restenosis Ali F. AbuRahma, MD, aShadi Abu-Halimah, MD, Jessica Bensenhaver, MD,a L. Scott Dean, PhD, MBA, bTammi Keiffer, RN, Mary Emmett, PhD, and Sarah Flaherty, BS,b Charleston, WV Duplex ultrasound velocity criteria for the diagnosis and grading of stenosis severity. The test allows stratification of the degree of carotid artery stenosis on the basis of greyscale and Doppler velocity results into the following strata: normal (no stenosis), <50% stenosis, 50% to 69% stenosis, 70% to 79% stenosis, 80% to 99% stenosis, near-occlusion (string sign), and total occlusion. [PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery] normal.
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23 Peak systolic velocity greater than 125 cm/s but less than the criteria for critical stenosis constitutes 50% to 69% stenosis. Though also imperfect, we recommend requiring criteria in addition to ≥230 cm/s peak-systolic velocity such as end-diastolic velocity ≥100 cm/s or internal carotid artery-to-common carotid artery ratio ≥4.0 or computed tomography or magnetic resonance angiogram showing ≥70% stenosis. We have always used velocity thresholds to classify the severity of internal carotid stenosis Velocity criteria have traditionally been validated by comparison with the “gold standard” of arteriography What is the relationship between velocity and % arteriographic stenosis? Velocity vs. Stenosis CAROTID DUPLEX CRITERIA Duplex Ultrasound Velocity Criteria in Carotid Artery Stenting Patients. Incidence of in-stent restenosis after carotid artery stenting (CAS).
[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery] normal. ICA PSV is <125 cm/sec and no plaque or intimal thickening is visible sonographically; additional criteria include ICA/CCA PSV ratio <2.0 …
In th statement duplex velocity criteria. Jesse A. carotid duplex ultrasound (CDUS) criteria exist to guide velocity criteria for percentage stenosis have been stan-.
statement duplex velocity criteria. Jesse A. carotid duplex ultrasound (CDUS) criteria exist to guide velocity criteria for percentage stenosis have been stan-.
The use of receiver operating characteristic curves allows the individualization of duplex criteria to the clinical situation. 2008-09-01 · The optimal duplex ultrasound (DUS) velocity criteria to determine in-stent carotid restenosis are controversial. We previously reported the optimal DUS velocities for ≥30% in-stent restenosis.
Duplex ultrasound velocity criteria for the diagnosis and grading of stenosis severity The test allows stratification of the degree of carotid artery stenosis on the basis of grayscale and Doppler velocity results into the following strata: normal (no stenosis), <50% stenosis, 50% to 69% stenosis, 70% to 79% stenosis, 80% to 99% stenosis, near-occlusion (string sign), and total occlusion.
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Commentary. Optimal carotid duplex velocity criteria for defining the severity of carotid in-stent restenosis.
Peaksystolic velocity (PSV) andend-
Reappraisal of velocity criteria for carotid bulb/internal carotid artery stenosis utilizing high-resolution B-mode ultrasound validated with computed tomography …
The optimal duplex ultrasound (DUS) velocity criteria to determine in-stent carotid restenosis are controversial.
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Objective: Correlation of carotid duplex ultrasound (DUS) flow velocities with All velocities exceeded the threshold of a 50% stenosis by DUS criteria for a
Key Words: carotid stenosis degree of stenosis duplex sonography peak systolic velocity transcranial sonography ultrasound diagnosis See editorial, p 627. S ince the early days of Doppler sonography, a continuous discussion has been taking place about the reliability of Doppler sonography and latterly duplex sonography to deter- 2002-07-16 These changes persist during long-term follow-up and across all grades of in-stent restenosis after CAS. The proposed new velocity criteria accurately define residual stenosis >or =20%, in-stent restenosis >or =50%, and high-grade in-stent restenosis > or =80% in the stented carotid artery. Though also imperfect, we recommend requiring criteria in addition to ≥230 cm/s peak-systolic velocity such as end-diastolic velocity ≥100 cm/s or internal carotid artery-to-common carotid artery ratio ≥4.0 or computed tomography or magnetic resonance angiogram showing ≥70% stenosis. The currently used carotid DUS velocity criteria overestimated the incidence of in-stent restenosis. We propose new velocity criteria for the ICA PSV of > 155 cm/s to define ≥ 30% in-stent restenosis. Duplex ultrasound velocity criteria for the diagnosis and grading of stenosis severity The test allows stratification of the degree of carotid artery stenosis on the basis of grayscale and Doppler velocity results into the following strata: normal (no stenosis), <50% stenosis, 50% to 69% stenosis, 70% to 79% stenosis, 80% to 99% stenosis, near-occlusion (string sign), and total occlusion. [27] Optimal carotid duplex velocity criteria for defining the severity of carotid in-stent restenosis Ali F. AbuRahma, MD, aShadi Abu-Halimah, MD, Jessica Bensenhaver, MD,a L. Scott Dean, PhD, MBA, bTammi Keiffer, RN, Mary Emmett, PhD, and Sarah Flaherty, BS,b Charleston, WV Duplex ultrasound velocity criteria for the diagnosis and grading of stenosis severity.
[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery] normal. ICA PSV is <125 cm/sec and no plaque or intimal thickening is visible sonographically; additional criteria include ICA/CCA PSV ratio <2.0 …
Peaksystolic velocity (PSV) andend- Reappraisal of velocity criteria for carotid bulb/internal carotid artery stenosis utilizing high-resolution B-mode ultrasound validated with computed tomography … The optimal duplex ultrasound (DUS) velocity criteria to determine in-stent carotid restenosis are controversial. We previously reported the optimal DUS velocities for >or=30% in-stent restenosis.
Incidence of in-stent restenosis after carotid artery stenting (CAS). ( a) Kaplan-Meier cumulative event rates for clinically significant ISR ≥ 80% after CAS. ( b) Kaplan-Meier cumulative event rates for ISR ≥ 60% after CAS. Se hela listan på ahajournals.org 2010-09-07 · Systolic velocity > 1.25 m/s is consistent with an angiographic stenosis > 50% diameter reduction (DR). Both the PSV = 2.69 m/s and the EAV = 1.78 m/s exceed the criterion.