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• W4225011993 abstract "Study objective. To determine the role of transcranial duplex sonography measurements in prognosing the risk of adverse outcome in patients with nontraumatic subarachnoid haemorrhage. Materials and Methods. In 2010–2020 413 patients admitted to N. V. Sklifosovsky Research Institute for Emergency Medicine of Moscow Healthcare Department with aneurysmatic subarachnoid haemorrhage were enrolled into the study, including 201 males (48.7 %) and 212 females (51.3 %). Mean age was 51 ± 12 years. All patients were treated surgically (aneurysm clipping). Patients’ status on admission and before surgery was evaluated according to Hunt and Hess scoring system. Transcranial duplex sonography was conducted in all patients on admission, before surgical treatment and on a daily basis after aneurysm clipping (up to the 10th day after aneurysm rupture, 2,612 examinations in total). The degree of angiospasm in middle cerebral artery, Lindegaard ratio and the presence of diffuse angiospasm in all arteries of Willis circle were assessed according to a previously described classification system. Brain computed tomography scans were used to determine the extent of subarachnoid haemorrhage according to C. M. Fisher scale and volume of ischemic lesions in areas supplied by middle cerebral artery. Outcomes were rated according to Glasgow Outcome Scale. Study sample was divided into two groups according to outcome. Group 1: adverse outcome (Glasgow Outcome Scale 1–3). Group 2: favorable outcome (Glasgow Outcome Scale 4–5). Binary logistic regression was applied to reveal risk factors for adverse outcome. To define long-term treatment outcome 104 patients (68 females, 36 males) were examined using neurologic scoring systems: Modified Rankin Scale, Barthel Index, Mini-Mental State Exam, Hospital Anxiety and Depression Scale. Results. Favorable outcome (group 2) was ascertained in 221 (53.5 %), unfavorable outcome (group 1) – in 192 (46.5 %) patients. The following independent risk factors for unfavorable outcome were detected: angiospasm in middle cerebral artery before surgery, severe angiospasm in middle cerebral artery and diffuse angiospasm. According to univariate analysis, daily increase in middle cerebral artery peak systolic velocity by 51.6 cm / s was associated with adverse outcome either. Binary logistic regression model was able to predict unfavorable outcome with sensitivity 88.5 %, specificity 76.0 %. Daily increase in middle cerebral artery peak systolic velocity by 58.7 cm / s was associated with Modified Rankin Scale increase by 1 point. Angiospasm proved to be strongly connected with cognitive and self-care ability impairment on follow-up. Conclusion. Ultrasonic signs of angiospasm in patients with aneurysmatic subarachnoid haemorrhage are independent predictors of adverse outcome and long-term results worsening." @default.
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• W4225011993 date "2022-04-27" @default.
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• W4225011993 title "Transcranial duplex sonography in assessing microsurgical treatment outcome for patients with ruptured cerebral artery aneurysms" @default.
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• W4225011993 doi "https://doi.org/10.17650/1683-3295-2021-24-1-56-68" @default.
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