• After the origin of the ophthalmic artery, the ICA gives off the anterior choroidal and posterior communicating arteries. (medscape.com)
  • We analyzed ophthalmic consequences due to coverage of the origin of the ophthalmic artery by flow-diverting stents for the treatment of internal carotid artery aneurysms. (ajnr.org)
  • From April 2009 to April 2013, the clinical and angiographic outcomes of all 28 patients treated for aneurysms with flow-diverting stents covering the origin of the ophthalmic artery were prospectively collected. (ajnr.org)
  • The origin of the ophthalmic artery in relation to the target aneurysm was classified by using a 4-type classification. (ajnr.org)
  • A complete ophthalmic examination was performed by a single ophthalmologist 48 hours before and 1 week after covering the ophthalmic artery. (ajnr.org)
  • At first presentation, a complete ophthalmic examination was performed. (e-jvc.org)
  • Ocular ischemia is often observed in cases of cerebral stroke and atherosclerosis of the ophthalmic or carotid arteries. (arvojournals.org)
  • Identification of the intracranial collaterals assists in identifying patients with severe occlusive disease of the internal carotid arteries who are at lower risk of transient ischemic attacks (TIAs) and stroke. (ajnr.org)
  • However, it is not clear whether opacification of intracranial collaterals on conventional angiograms or MR angiograms proves that they can act as functional collaterals when carotid arteries become stenotic or occluded. (ajnr.org)
  • Atherosclerosis, one of the most serious cardiovascular complications of diabetes mellitus, occurs primarily in coronary arteries, lower extremities and extracranial carotid arteries. (springer.com)
  • In the present study, we used Doppler velocimetry in the ophthalmic artery to evaluate the hemodynamic status of the intracranial vasculature. (biomedcentral.com)
  • This is the first time in the literature that indices of ophthalmic artery Doppler sonography of women with preeclampsia were evaluated before and after the use of magnesium sulfate to prevent eclampsia. (biomedcentral.com)
  • Indices of ophthalmic artery Doppler sonography of six women with severe preeclampsia at 27 to 33 weeks of gestational age were evaluated before and after the use of magnesium sulfate (10 minutes, 30 minutes, and 60 minutes after the magnesium sulfate loading dosage. (biomedcentral.com)
  • Transcranial Doppler of the middle cerebral arteries (MCA) was performed before and after intravascular administration of MgSO 4 . (biomedcentral.com)
  • Ophthalmic artery Doppler is a noninvasive examination used to study central territory vascular flow during pregnancy. (biomedcentral.com)
  • The purpose of this study is to validate the utility of incorporating ophthalmic artery Doppler measurements into a Bayesian survival-time model for predicting preeclampsia during the first trimester. (prenatal.or.id)
  • Patients with diabetes, hypertension, rheumatic heart disease, coronary artery disease and congestive heart failure have a higher incidence of AF than patients without these disorders. (aafp.org)
  • Cardiac and cardiovascular image analysis has been performed at IIBI since the early 1990's, from X-ray coronary angiography, 2D/3D/4D ultrasound (including intravascular), MR/CT, and OCT, leading to established and validated software for various clinical questions and applications (coronary artery disease, aortic atherosclerosis, arrhythmia, heart transplant, etc. (uiowa.edu)
  • Eight aneurysms were localized in the cavernous sinus and 7 at the ophthalmic segment of the internal carotid artery. (nih.gov)
  • A more technical page on this site, Internal Carotid Artery and Its Aneurysms , shows no shortage of various aneurysm forms and shapes,and this is just a small fraction of the overall aneurysm mix. (neuroangio.org)
  • Most aneurysms are felt to be "weaknesses" in walls of brain arteries which bulge out over time. (neuroangio.org)
  • Twenty-five aneurysms were on arteries feeding the malformation system, almost equally distributed proximally and distally. (thejns.org)
  • As the ophthalmic artery traverses the optic nerve, it gives off the central retinal artery and, more distally, the posterior ciliary arteries. (medscape.com)
  • the posterior ciliary arteries supply the peripheral nerve substance. (medscape.com)
  • A watershed area is delineated near the head of the optic nerve between the posterior ciliary artery and the central retinal artery. (medscape.com)
  • The outer retina is supplied by the choriocapillaries of the choroid that branches off the ciliary artery. (patient.info)
  • Both the CRA and the ciliary artery must be functioning to maintain retinal function, as both CRA and ciliary artery originate from the OA. (patient.info)
  • In contrast, elevated blood alcohol left peak systolic velocity, end-diastolic velocity and the resistance index constant in three retrobulbar arteries (ophthalmic, central retinal and posterior ciliary). (lvhn.org)
  • Thus, we are investigating the common mechanism of inflammation in the middle cerebral artery occlusion (MCAO) model, a stroke model that affects both the brain and eye. (arvojournals.org)
  • Depending on where the occlusion occurs, different layers and quarters of the retina can be affected: more proximal ophthalmic artery occlusion will have the most devastating effect, as all layers of the entire retina lose their blood supply, whereas a occlusion of a distal end branch of the retinal artery will only affect the inner neural retina of that part of the retina, sparing the photoreceptors and limiting visual loss. (patient.info)
  • Occlusion affecting the retinal artery prior to branching is termed CRAO. (patient.info)
  • With extensive ophthalmic examinations, 11 patients (39.3%) showed new ophthalmic complications. (ajnr.org)
  • This prospective study shows that covering the ophthalmic artery with a flow-diverting stent is not without potential complications. (ajnr.org)
  • Ophthalmic complications can occur but are often not diagnosed. (ajnr.org)
  • Overexpression of VEGF was found in the progression of nephritic and ophthalmic complications in diabetes (Kim et al. (springer.com)
  • complications 7 Circulatory None 8 Other specified complications Unspecified complications 9 Unspecified complications We investigated the trend of diabetic vascular complication-related deaths between 2000 and 2016 in the global diabetes … Find out here how to recognize the common symptoms of diabetes. (workout-transalp.fr)
  • The posterior one third of the optic nerve is supplied by penetrating arteries from the anterior communicating and anterior cerebral arteries. (medscape.com)
  • Patients with an anterior communicating artery (AcoA) and a posterior communicating artery (PcoA) that supply the hemisphere distal to a severe ICA stenosis have a risk of transient ischemic attack (TIA) and stroke that is lower than that of patients without such collaterals ( 1 ). (ajnr.org)
  • Functional abnormalities, including reduced blood flow velocity and increased resistance in a number of ocular arteries, have been demonstrated within the ophthalmic circulation of patients with NPG. (bmj.com)
  • This study aims to investigate the diabetes-related ocular changes according to the glycosylated hemoglobin (HbA1c) level and duration of diabetes in children and compare the results with nondiabetic healthy children. (ijo.in)
  • After several microscopic branches emerge from the ICA in the petrous region, the ophthalmic artery proceeds toward the globe. (medscape.com)
  • The blood supply occurs via branches of the ophthalmic artery, the ethmoidal and dorsal arteries, the facial artery, the nasopalatine, the sphenopalatine, and the greater palatine arteries. (medscape.com)
  • The semilunar (gasserian or trigeminal) ganglion is the great sensory ganglion of CN V. It contains the sensory cell bodies of the 3 branches of the trigeminal nerve (the ophthalmic, mandibular, and maxillary divisions). (medscape.com)
  • Ophthalmic examination and fluorescein angiography showed that occlusions were due to ischaemic events. (who.int)
  • All patients underwent ophthalmic and physical examination, with a review of medical history and current medication. (ijo.in)
  • The anatomic disposition of the ophthalmic artery in relation to the carotid siphon and aneurysm should be clearly understood because some configurations have a higher risk. (ajnr.org)
  • The association of arteriovenous angioma and saccular aneurysm of the arteries of the brain. (thejns.org)
  • 101 - 110 , 1959 Anderson RM, Blackwood W: The association of arteriovenous angioma and saccular aneurysm of the arteries of the brain. (thejns.org)
  • Typically not diagnosed until late childhood or later, Bonnet-Dechaume-Blanc syndrome usually presents itself with a combination of central nervous system features (midbrain), ophthalmic features (retina), and facial features. (wikipedia.org)
  • The retina represents an additional avenue that can be explored when using the MCAO model to investigate stroke and its potential treatments. (arvojournals.org)
  • This artery, thought to be present in 15-30% of people, supplies the macular retina to a varying degree and may help preserve some vision after CRAO. (patient.info)
  • The purpose of this case study is to describe the ophthalmic presentation and note the diagnosis of a cavernous sinus tumor in a dog with neuro-ophthalmologic deficits. (e-jvc.org)
  • The goal of this study is to investigate outcome of stent and/or coil treatment of VLGUIA. (nih.gov)
  • Knowledge of the collateral ability of the circle of Willis is important for neurosurgeons, vascular surgeons, and interventional radiologists when a procedure in the intracranial or extracranial cerebral arteries is to be attempted. (ajnr.org)
  • The July issue of Ultrasound in Obstetrics & Gynecology includes a systematic review investigating the prevalence of adenomyosis in women with subfertility, a review focusing on the definition of the uterine junctional zone and its appearance in adenomyosis, a study proposing sonographic descriptors for instant diagnosis of 20 major fetal anomalies and a population-level study evaluating the incidence, risk factors and timing of pregnancy loss in major congenital heart disease. (isuog.org)
  • The January issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis investigating perinatal outcome following blastocyst- vs cleavage-stage embryo transfer, two multicenter studies on cytomegalovirus infection in pregnancy, and a follow-up study of a multicenter trial, which is the first to report on the long-term mortality and morbidity of cases receiving transplacental treatment for fetal supraventricular tachyarrhythmia. (isuog.org)
  • The apparent increase in resistance index and pulsatility index values, although there is no statistical significance in this series of cases, and the decrease in peak ratio values after the administration of magnesium sulfate reflect an increase in the impedance to flow in the ophthalmic artery and consequently a reduction in cerebral perfusion after the use of magnesium sulfate. (biomedcentral.com)
  • Increased ophthalmic artery resistance index is associated with cognitive impairment in HIV-infected patients. (unicatt.it)
  • Aim of the study was to investigate the potential relationship between ophthalmic artery resistance index (OARI), a marker of subclinical cerebrovascular disease, and cognitive performance. (unicatt.it)
  • This study aimed to determine whether the function of systemic resistance arteries was altered in patients with NPG. (bmj.com)
  • The vascular endothelium modulates contractile responses to 5-HT and ET-1 in human subcutaneous resistance arteries but this effect is lost in patients with NPG, indicating a selective defect in agonist mediated release of endothelium derived vasodilators. (bmj.com)
  • This approach has the advantage of studying vascular dysfunction directly in arteries from patients (rather than animal models) and uses resistance arteries which contribute significantly to maintenance of blood pressure. (bmj.com)
  • For example, in the central retinal artery, peak systolic velocity, end-diastolic velocity and the resistance index averaged 11.0 +/- 1.3 cm/s, 2.8 +/- 0.4 cm/s and 0.75 +/- 0.03 before ethanol, as compared with 10.5 +/- 1.0 cm/s, 2.9 +/- 0.3 cm/s and 0.72 +/- 0.03 after ethanol (all p = NS). (lvhn.org)
  • All aforementioned clinical signs are confirmed through ophthalmic examinations. (e-jvc.org)
  • She noted that retinal migraine is a rare migraine type that causes monoc-ular visual loss and has been associated with central retinal artery vasospasm. (aao.org)
  • Several angiographic and clinical parameters were investigated to better understand the relationship of these lesions. (thejns.org)
  • We conducted a quantitative study to investigate the relationship of the AIW and the areas of the OCT and COT, which can be helpful in evaluating the exposure acquired through either triangle in addition to determining if a transcavernous approach should be selected. (surgicalneurologyint.com)
  • The prognostic value of functioning intracranial collaterals in patients with occlusive disease of the carotid artery is the subject of ongoing studies ( 2 ). (ajnr.org)
  • The mechanisms of vascular dysfunction have been investigated in a number of conditions, including hypertension 13 and diabetes, 14 using subcutaneous arteries isolated from biopsies of gluteal fat. (bmj.com)
  • The December issue of Ultrasound in Obstetrics & Gynecology includes a prospective study investigating the utility of a machine-learning-based model for predicting pre-eclampsia, two studies on anal sphincter trauma and a study comparing fetal and neonatal sonographic parameters of brain ventricular size. (isuog.org)
  • OBJECTIVE: This study aimed to investigate the effects of intensive blood pressure control on cognitive function in elderly patients with cerebral small vessel disease (CSVD). (bvsalud.org)
  • The purpose of this study is to investigate the correlation between maternal age, body mass index (BMI), and the placental growth factor (PlGF) levels during the first trimester of pregnancy in the Indonesian population. (prenatal.or.id)
  • The purpose of this study is to investigate the incidence of nuchal cord occurrences and their potential impact on neonatal and delivery outcomes. (prenatal.or.id)
  • In the present study, we investigated the effects of resveratrol (RSV), a bioactive ingredient extracted from Chinese herb rhizoma polygonum cuspidatum , on permeability in vitro and the molecular mechanisms involved. (springer.com)
  • In a retrospective study, Erdmann et al investigated the medical records of 437 patients with 929 facial fractures. (medscape.com)
  • This study describes the importance of investigating neuro-ophthalmic findings, which might provide clues for the localization of lesions, including tumors, to aid in diagnosis. (e-jvc.org)
  • In this study, we investigated the potential protective effects of this methylxanthine in the retinal tissue. (frontiersin.org)
  • therefore, we investigated the prevalence among 33 patients with retinal vein and artery occlu- sions and 80 controls. (who.int)
  • Prevalence is derived from studies by using an external diameter of 1 mm as a threshold for hypoplasia of collateral arteries. (ajnr.org)
  • This chapter comprehensively investigated their therapeutic efficacy and mechanisms underlying their effects based on veterinary studies. (biomedgrid.com)
  • When not required, covering of the ophthalmic artery by flow-diverting stents should be avoided. (ajnr.org)
  • Visible collaterals of the circle of Willis on MR angiograms are able to supply collateral flow in the presence of carotid artery obstruction. (ajnr.org)
  • The circle of Willis, located at the base of the brain, provides the main route for collateral blood flow in severe occlusive disease of the internal carotid artery (ICA). (ajnr.org)
  • Under isoflurane anesthesia, a filament was inserted through an incision in the external carotid artery and slid into the internal carotid artery so that it blocked the right middle cerebral and ophthalmic arteries. (arvojournals.org)
  • Various combinations of internal support were investigated 1) 2.1F microcatheters and 0.014'' microwire, 2) 6F aspiration catheters. (bmj.com)
  • The central retinal artery (CRA) is a branch of the ophthalmic artery, which is the first branch of the internal carotid artery. (patient.info)
  • Current IIBI research investigates the pathology of many eye diseases, including diabetic retinopathy, macular degeneration, macular holes, epiretinal membranes, macular edema, central serous choroidopathy, and of the optic disc, combining state of the art imaging modalities like optical coherence tomography with our well-established segmentation approaches. (uiowa.edu)
  • The ophthalmic and maxillary nerves are purely sensory. (medscape.com)
  • Finally, the ischemia reperfusion (I/R) injury model was used in C57BL/6J mice to induce retinal inflammation and investigate the effects of caffeine treatment. (frontiersin.org)
  • we investigated caffeine by using in vitro and in vivo paradigms of retinal inflammation. (frontiersin.org)
  • Although migraine is a neuro-logic illness, it is frequently accompanied by uncomfort-able ophthalmic symptoms, which can cause significant reduction in visual quality of life. (aao.org)
  • These patients were investigated for the preoperative localization by 99m Tc-tetrofosmin scintigraphy. (go.jp)
  • Methods In total six cadavers were investigated, allowing evaluation of navigation to twelve MCAs. (bmj.com)
  • Category three refers to malformations so severe that their dilated vessels no longer distinguish between artery and vein, and the patient has a significantly increased risk of vision loss. (wikipedia.org)
  • PURPOSE: Because the protean biological effects of ethanol include acute alterations in both cortical function and circulatory control, we investigated the effect of acute alcohol consumption on retrobulbar hemodynamics and contrast sensitivity in healthy human volunteers. (lvhn.org)
  • As shown in the awake human brain, using fast imaging to investigate AIC and BIC results. (ambi.productions)
  • Methods: Contractile and relaxant function was assessed in arteries dissected from gluteal fat biopsies (11 NPG, 12 control) using small vessel myography. (bmj.com)
  • ET-1 mediated contraction in control and patient arteries was reduced in the presence of (10 −5 M) nifedipine. (bmj.com)
  • The analgesic effect of both acupoints has been extensively investigated in veterinary studies. (biomedgrid.com)
  • The ophthalmic division is in the lower part of the nucleus, and the mandibular branch is in the upper part. (medscape.com)
  • Ophthalmic research , 28 (3), 193-200. (lvhn.org)
  • One important variation is the presence of a cilioretinal artery. (patient.info)