نتایج جستجو برای: microembolic signals
تعداد نتایج: 189578 فیلتر نتایج به سال:
USING transesophageal echocardiography, echogenic material can be shown in the right ventricle during many orthopedic procedures. Recently, transcranial Doppler–recorded microembolic signals have been described during femoral fracture fixation, suggesting that medullary pressurization may be associated with systemic microembolism and pulmonary fat and marrow emboli. Although reamed, locked intr...
Transcranial Doppler sonography is a non-invasive, non-ionising, inexpensive, portable and safe technique that uses a pulsed Doppler transducer for assessment of intracerebral blood flow. This article deals with the principles and technique of transcranial Doppler sonography. It gives a brief overview of its use in evaluation of intracranial steno-occlusive disease, subarachnoid haemorrhage, an...
Microembolic signals and strategy to prevent gas embolism during extracorporeal membrane oxygenation
BACKGROUND Extracorporeal membrane oxygenation (ECMO) supplies systemic blood perfusion and gas exchange in patients with cardiopulmonary failure. The current literature lacks of papers reporting the possible risks of microembolism among the complications of this treatment.In this study we present our preliminary experience on brain blood flow velocity and emboli detection through the transcran...
A multispecialty position statement based on a review of the literature. Treatment asymptomatic carotid stenosis (ACS) is controversial and includes best medical treatment (BMT) alone vs intervention plus BMT. The high-risk clinical imaging features associated with an increased long-term ipsilateral ischemic stroke risk include male patients aged <75 years, contralateral transient attack/stroke...
microembolic signals (mes) are frequently observed in transcranial doppler (tcd) recordings of patients with mechanical heart valve (mhv). if gaseous bubbles are the underlying cause, number of mes produced by mhv could be reduced with oxygen inhalation. from september 2003 to september 2004, a consecutive series of 14 patients with st jude aortic valve visited in the cardiology clinic were...
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