So sánh giá trị của siêu âm xuyên sọ và cộng hưởng từ mạch máu não trong chẩn đoán hẹp động mạch nội sọ do xơ vữa ở bệnh nhân nhồi máu não cấptại bệnh viện Quân y 175

Abstract

Objective: Compare the value of transcranial ultrasound (TCD) and cerebral magnetic resonance angiography (MRA) in the diagnosis of atherosclerotic intracranial artery stenosis in patients with acute cerebral infarction. Methods: Cross-sectional case series study conducted at the Department of Neurology, Military Hospital 175, from June 2022 to June 2023, participants were patients diagnosed with acute cerebral infarction and under the tent. Patients who meet the sampling criteria will have TCD and MRA done with the time interval between these two techniques not exceeding 24 hours. We evaluated the sensitivity, specificity, negative predictive value, positive predictive value, and Kappa index of TCD compared with MRA. Results: We enrolled 227 patients with acute cerebral infarction and intracranial artery stenosis. Sensitivity, specificity, negative predictive value, positive predictive value, Kappa index of TCD with MRA respectively on arteries. Middle cerebral artery MCA were 98.9%, 97.7%, 99.2%, 96.8%, 0.8; anterior cerebral artery 100%,99.5%,100%,94.4%,0.82; intracranial internal carotid artery 96.1%, 99.4%, 98.8%, 98%, 0.75; posterior cerebral artery 100%, 99.5%, 100%, 93.7%, 0.82; vertebral artery 95.6%, 99.5%, 99.5%, 95.6%, 0.75; basilar artery 95.2%, 99.5%, 99.5%, 95.2%, 0.78. Conclusion: Using transcranial ultrasound technique to diagnose intracranial artery stenosis and monitor intracranial artery stenosis is a safe, inexpensive, non-invasive method with relatively high accuracy compared to other methods. MRA.