Key result
Ipsilateral carotid endarterectomy fails to alter contralateral carotid velocities.
Why the study?
Does carotid endarterectomy affect contralateral carotid artery velocities measured by duplex ultrasound in patients with bilateral disease?
Population
79 patients who underwent carotid endarterectomy with preoperative and postoperative duplex ultrasound scans…
Comparison
Carotid endarterectomy (CEA) vs Preoperative baseline (within-patient comparison)
Design
Cohort
Follow-up
within 6 months of surgery
Authors
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Clinicians may rely on standard duplex thresholds for contralateral stenosis after ipsilateral CEA; leaves open prospective validation in bilateral disease.
Cohort (n=79)
Does carotid endarterectomy affect contralateral carotid artery velocities measured by duplex ultrasound in patients with bilateral disease?
p-value: p=0.59 and 0.63
Duplex ultrasound provides an accurate assessment of contralateral carotid artery stenosis severity that is not significantly altered by ipsilateral carotid endarterectomy.
Roddy et al. (1999) conducted a cohort in Carotid artery stenosis (n=79). Carotid endarterectomy (CEA) vs. Preoperative baseline was evaluated on Change in contralateral carotid systolic and diastolic velocities (p=0.59 and 0.63). Ipsilateral carotid endarterectomy did not significantly alter contralateral carotid systolic (p=0.59) or diastolic (p=0.63) velocities measured by duplex ultrasound.
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