Optic Nerve Sheath Diameter
Military trainees can accurately measure optic nerve sheath diameter after a brief training session
... measure optic nerve sheath diameter (ONSD) has been proven to accurately and noninva- sively screen for elevated ICP in previous studies [4, ...
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Optic Nerve Sheath Diameter (ONSD) measurements in normal subjects and patients undergoing cranioplasty after decompressive craniectomy for traumatic brain injury: A Prospective Observational Cohort study
... Ultrasonographic measurement of ONSD has the advantage of providing real-time assessment of ICP and it can be done at the bedside, even in a critically ill patient who may not be hemodynamically stable. Bedside ...
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Sonographic Measurement of Optic Nerve Sheath Diameter: A Prognostic Tool for Childhood Cerebral Malaria?
... of optic nerve sheath diameter (ONSD) is accurate, reproducible and that it helps to diagnose raised ICP [8] ...the optic nerve sheath diameter measured using ...
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Transscleral ultrasonographic measurements of the optic nerve sheath diameter and a regression analysis with morphometric measures of the globe in dogs
... the optic nerve sheath and measuring its diameter and to analyse the linear regressions of the optic nerve sheath diameter value with the weights and morphometric ...
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A unique method for estimating the reliability learning curve of optic nerve sheath diameter ultrasound measurement
... Background: Optic nerve sheath diameter (ONSD) measurement using ultrasound has been proposed as a rapid, non-invasive, point of care technique to estimate intra-cranial pressure ...the ...
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Individual patient data systematic review and meta-analysis of optic nerve sheath diameter ultrasonography for detecting raised intracranial pressure: protocol of the ONSD research group
... the optic nerve sheath diameter (ONSD) research group project is to establish an individual patient-level database from high quality studies of ONSD ultrasonography for the detection of raised ...
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Original Article Transorbital ultrasound measurement of optic nerve sheath diameter in normal rabbits
... of optic nerve sheath diameter (ONSD) in healthy rabbits and evaluate the influence of body weight and head circumference on the ONSD ...the optic disk in 31 adult male New Zealand ...
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Estimating the accuracy of optic nerve sheath diameter measurement using a pocket-sized, handheld ultrasound on a simulation model
... investigated including transcranial Doppler (TCD) ultra- sonography and the pulsatility index calculated from its flow velocity waveform, and transorbital ultrasound measurement of optic nerve sheath ...
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2. OPTIC NERVE SHEATH DIAMETER (ONSD) MEASUREMENT WITH OPTIC NERVE ULTRASOUND (ONUS) IN THE EVALUATION OF ELEVATED INTRACRANIAL PRESSURE: A COMPARATIVE STUDY WITH CT SCAN IN HEAD TRAUMA PATIENTS.
... The optic nerve sheath diameter has been suggested as a possible indicator of elevated intracranial ...1-9 Optic Nerve Ultrasonography (ONUS) may help us to identify raised ...
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Ultrasound measurement of optic nerve sheath diameter pre- and post-lumbar puncture
... that optic nerve sheath diameter (ONSD) correlates with real-time changes in intracranial pressure, we performed ultrasound measurements of the ONSD in ambulatory patients undergoing elective ...
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Assessment of intracranial pressure with ultrasonographic retrobulbar optic nerve sheath diameter measurement
... the optic nerve sheath diameter (ONSD) measurement is one of the parameters used for indirect prediction of ICP in these ...The optic nerve sheath (ONS) is continuous with ...
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The prognostic value of optic nerve sheath diameter in patients with subarachnoid hemorrhage
... patients. Optic nerve sheath diameter (ONSD) has been proposed as an alternative measure for the detection of intracranial hypertension [11, ...
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Correlation of Ultrasonographic Optic Nerve Sheath Diameter with Direct Measurement of Intracranial Pressure
... Background: Raised intracranial pressure (ICP) is an emergency condition with an exhaustive list of causes and should be detected within time to avoid any poor clinical outcomes. The aim of our study was to correlate ...
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Diagnostic and prognostic value of the optic nerve sheath diameter with respect to the intracranial pressure and neurological outcome of patients following hemicraniectomy
... The optic nerve sheath diameter (ONSD) is often taken as a proxy of intracranial hypertension in brain injury patients ...the optic nerve is a continuation of the intracranial ...
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Ultrasound measurement of optic nerve diameter and optic nerve sheath diameter in healthy Chinese adults
... of optic nerve sheath diameter (ONSD) by ultrasonography has been developed and suggested as a possible indicator of intracranial hypertension ...The optic nerve sheath is ...
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Estimation of optic nerve sheath diameter on an initial brain computed tomography scan can contribute prognostic information in traumatic brain injury patients
... an optic nerve model obtained from cadaveric donors without neurological injury, a clear relationship was demonstrated between increased intracranial pressure and increased ONSD, but with ONSD values at ...
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Reproducibility and accuracy of optic nerve sheath diameter assessment using ultrasound compared to magnetic resonance imaging
... MRI examinations indicating a systematic bias. However, we believe that these observer dependent variations of < 5% are acceptable for clinical applications. ONSD measure- ments at a depth of 5 mm were less reliable ...
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Neuro-ophthalmological biomarkers of visual outcome in newly diagnosed idiopathic intracranial hypertension
... Abducent nerve palsy; BMI: Body mass index; CSF: Cerebrospinal fluid; EST: Empty sella turcica; HPT: Headache onset – papilledema diagnosis time; ICP: Intracranial pressure; IIH: Idiopathic intracranial ...
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Imaging Strategies for Suspected Acute Cranial Shunt Failure: A Cost-Effectiveness Analysis
... sequence magnetic resonance imaging (fsMRI), and ultrasonography measurement of optic nerve sheath diameter (ONSD) for suspected acute shunt failure from the perspective of a health ca[r] ...
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Ultrasound measurements versus invasive intracranial pressure measurement method in patients with brain injury: a retrospective study
... Optic nerve sheath diameter was found an individual parameter of death (p = ...The optic nerve is sur- rounded by cerebrospinal fluid ...the optic nerve ...
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