transcranial Doppler
Brazilian Guidelines for transcranial doppler in children and adolescents with sickle cell disease
... Recently, several aspects have contributed significantly to the reduction in mortality in SCD patients. These include the control of infections through immunization and the prophylactic use of antibiotics during early ...
6
A brain-computer interface based on bilateral transcranial Doppler ultrasound.
... In this study, we investigate the feasibility of a BCI based on transcranial Doppler ultrasound (TCD), a medical imaging technique used to monitor cerebral blood flow velocity. We classified the cerebral ...
8
Cerebral vasomotor reactivity assessment using Transcranial Doppler and MRI with apnea test
... used Transcranial Doppler (TCD) and functional MRI (fMRI) for cerebral vasomotor reactivity (CVR) assessment in patients with carotid stenosis (CS), we assessed CVR using an identical stimulus, the Breath- ...
8
Absence of Doppler signal in transcranial color-coded ultrasonography may be confirmatory for brain death: A case report
... Utility of transcranial Doppler ultrasonography (TCD) in confirmation of brain death is well established. The reported sensitivity of TCD for diagnosing brain death is about 90% at average, ranging from ...
5
Arq. Bras. Cardiol. vol.88 número5 en a03v88n5
... patients were excluded due to incomplete evaluation. Two patients did not cooperate with the transesophageal echocardiogram and also did not undergo transcranial Doppler sonography. One patient presented a ...
6
Doppler transcraniano na prática neurológica.
... ABSTRACT - Transcranial Doppler (TCD) was described in 1982 by Rune Aaslid and introduced in Brazil in 1992 by Roberto Hirsh in the University of São Paulo. Since the acquisition of TCD by Neurology ...
4
Rev. Bras. Hematol. Hemoter. vol.39 número2
... Background: The etiology of stroke, a severe complication of sickle cell anemia, involves inflammatory processes. However, the pathogenetic mechanisms are unknown. The aim of this study was to evaluate the influence of ...
7
Arq. NeuroPsiquiatr. vol.68 número4
... used transcranial Doppler following microbubbles injection to detect shunts in 24 CH, 7 paroxysmal hemicrania (PH), one SUNCT, two hemicrania continua (HC) patients; and 34 matched ...
5
en 0103 507X rbti 26 03 0240
... Figure 4 - A 65-year-old male patient with chronic atrial fibrillation, anticoagulation, cerebellar infarction with hemorrhagic transformation, hydrocephalus, external shunt, fever, venous sinus thrombosis, and multiple ...
13
J. vasc. bras. vol.15 número3
... Background: Carotid endarterectomy (CEA) and carotid artery stenting (CAS) have both been proposed for treatment of critical atherosclerotic stenosis located at the carotid bifurcation. Monitoring of hyperintense ...
8
Arq. Bras. Cardiol. vol.87 número6
... (TIBI) transcranial Doppler flow grades predict clinical severity, early recovery, and mortality in patients treated with intravenous tissue plasminogen ...
4
Arq. NeuroPsiquiatr. vol.68 número6
... Sir: We read with great interest the study by Lange et al (Arq Neuropsiquiatr 2010;68:410-3) regarding the efect of valsalva maneuver (VM) in right-to-left shunt (RLS) detection by transcranial Doppler ...
1
Arq. NeuroPsiquiatr. vol.71 número10
... Objective: Intracranial hypertension (IH) develops in approximately 50% of all patients with severe traumatic brain injury (TBI). Therefore, it is very important to identify a suitable animal model to study and ...
5
Arq. NeuroPsiquiatr. vol.68 número3
... Objective: To compare two different timings for the performance of the Valsalva maneuver (VM) using an infusion of agitated saline solution with blood as contrast agent (CA) to right-to-left shunt (RLS) screening. ...
4
Ultrassonografia Doppler na avaliação renal de cadelas diagnosticadas com piometra antes e após tratamento com ovariosalpingohisterectomia.
... ABSTRACT.- Santos R.V., Merlini N.B., Souza L.P., Machado V.M.V., Pantoja J.C.F. & Prestes N.C. 2013. [Doppler ultrasonography in the renal evaluation of bitches diagnosed with pyometra before and after ...
8
Avaliação da técnica de dopplerfluxometria e índice de resistividade das artérias renais em cadelas com piometra
... x A ultrassonografia Doppler é capaz de identificar alterações precoces de redução na perfusão renal, por meio do Doppler colorido e do aumento do índice de resistividade das artéria[r] ...
116
Análise da reprodutibilidade do Doppler de amplitude tridimensional na avaliação da circulação do cérebro fetal.
... power Doppler, por ambos os examinadores, foi realizada seguindo os seguintes passos: inicialmente, os três planos obtidos foram explorados para localizar a zona de maior vascularização nas ROIs, usando como re- ...
6
Avaliação ultrassonográfica da artéria carótida comum em equinos da raça Quarto de Milha
... A velocidade do fluxo pode ser calculada a partir da frequência e do ângulo Doppler (HEDRICK, 1994). Como ângulos grandes podem gerar erros de cálculo para a velocidade, é indicado que sinais de vasos superficiais ...
77
Reprodutibilidade interobservador dos índices vasculares do Doppler de amplitude tridimensional do embrião entre 7 e 10 semanas e 6 dias de gestação.
... power Doppler (3D power Doppler) ultrasonography at the first trimester of ...power Doppler vascular indices: vascularization index (VI), flow index (FI) and vascularization and flow index ...power ...
6
Ultra-sonografia na artrite reumatóide: aplicabilidade e perspectivas
... O ultra-som pode ser utilizado para guiar procedimen- tos diagnósticos, como biópsia da membrana sinovial e do córtex ósseo e para injeção de medicamentos intra-articu- lares ou nas bainhas sinoviais dos tendões. Estudos ...
6