• Treatment with diluted APP96-110 (0.005 mg/kg) in mice after 30 min of transient middle cerebral artery occlusion (tMCAO) showed improved motor function and reduced expression of the inflammatory marker CD86. (springer.com)
  • Healthy adult Sprague‑Dawley (SD) male rats were used to establish a control group, sham‑operated group, middle cerebral artery occlusion (MCAO) group, empty virus group and lentivirus group. (spandidos-publications.com)
  • Since there are no reports on the effects of nimesulide on permanent ischemic stroke and because most cases of human stroke are caused by permanent occlusion of cerebral arteries, the present study was conducted to assess the neuroprotective efficacy of nimesulide on the cerebral infarction and neurological deficits induced by permanent middle cerebral artery occlusion (pMCAO) in the rat. (biomedcentral.com)
  • On cerebral angiograms, coiling of the bilateral carotid arteries, occlusion of the basilar artery at the distal site, and fenestration of the left vertebral artery at the atlanto-axis level were shown. (nih.gov)
  • On the follow-up angiograms, recanalization of the basilar artery on the right vertebral angiogram, occlusion of the left vertebral artery at the distal site of the posterior inferior cerebellar artery origin, and occlusion of one of the duplicated vertebral arteries were recognized. (nih.gov)
  • Fenestration of the vertebral artery is presented in about 1-2% at angiography and autopsy and the clinical significance is controversial. (nih.gov)
  • These findings suggest the clinical significance of vertebral artery fenestration as an embolic source. (nih.gov)
  • Vertebral artery injury (VAI) after blunt cervical trauma occurs more frequently than historically believed. (biomedcentral.com)
  • The symptoms due to vertebral artery (VA) occlusion usually manifest within the first 24 hours after trauma. (biomedcentral.com)
  • Unilateral occlusion of the vertebral artery seldom results in a neurological deficit if the collateral supply through the other vertebral and posterior inferior arteries is sufficient [ 5 ]. (biomedcentral.com)
  • TRIPLEX RIGHT RADIAL AND ULNAR ARTERIES (3/2020): shows complete occlusion from clot in the middle of the radial artery, with absence of flow peripheral to it. (hpathy.com)
  • Primate studies have shown that complete occlusion of arterial supply to the retina results in reversible ischemic injury in up to 97 minutes. (medscape.com)
  • CT angiogram also revealed complete occlusion of bilateral VA. The following day, a repeat CT of the head revealed brain stem infarction due to bilateral VA occlusion. (biomedcentral.com)
  • Patients who develop severe stroke symptoms due to acute internal carotid artery occlusion eventually in combination with a thromboembolic obstruction of the middle cerebral artery incur a major risk of developing extensive MCA infarction with a poor outcome. (ajnr.org)
  • 1 However, there is a subgroup of patients who develop severe stroke symptoms due to acute internal carotid artery occlusion eventually in combination with a thromboembolic obstruction of the central arteries, such as the terminal carotid segment or the middle cerebral artery, and subsequently incur a major risk of developing extensive MCA infarction with a poor outcome. (ajnr.org)
  • The central retinal artery, a branch of the ophthalmic artery, enters the eye through the optic disc and divides into multiple branches to perfuse the inner layers of the retina. (medscape.com)
  • A complete visual field defect suggests central retinal artery occlusion (CRAO). (medscape.com)
  • Causes of central retinal artery occlusion (CRAO) vary, depending on the age of the patient. (medscape.com)
  • It is an occlusion of the main blood vessel (central retinal artery) supplying the retina. (neoretina.com)
  • Inflammation or obstruction of the blood vessels leading to the eye can also result in abnormal tissue or clot being transmitted to central retinal artery causing its occlusion. (neoretina.com)
  • More than 90% of eyes with successful use of Reynard and Hanscom's central retinal artery occlusion (CRAO) method [ 4 ], with some modifications, for have a sudden, painless decrease in visual the treatment of retinal artery occlusion. (who.int)
  • Coronary artery stenosis or occlusion results in reduced coronary flow and myocardial contractile depression. (jci.org)
  • Thrombolysis by means of selective catheter infusion for vascular occlusion entered the mainstream during the 1970s. (medscape.com)
  • In this case, the fenestration may have played a role as an embolic source because there was no probable cause of the cerebral infarction, and the vascular occlusion and recanalization occurred near the distal site of the fenestration. (nih.gov)
  • The intraocular and fluorescein angiography confirmed the complete vascular occlusion as the main pa- thology (Figure 2). (who.int)
  • From an ocular standpoint, and in the absence of subsequent retinal artery occlusions, vision usually stabilizes soon after the ischemic event. (medscape.com)
  • These results suggest that the treatment of APP96-110 is efficacious in reducing neuroinflammation and infarct size in ischemic stroke. (springer.com)
  • We hypothesized that TRPA1 channels in endothelial cells are activated by hypoxia-derived reactive oxygen species, leading to cerebral artery dilation and reduced ischemic damage. (elifesciences.org)
  • These data suggest that endothelial TRPA1 channels are sensors of hypoxia leading to vasodilation, thereby reducing ischemic damage. (elifesciences.org)
  • Methods We retrospectively reviewed patients from three stroke centers with acute ischemic stroke attributed to isolated posterior cerebral artery occlusion (IPCAOs) who underwent MT between January 2014 and December 2019. (bmj.com)
  • Oblique pelvic image shows complex postsurgical anatomy with a graft ostium at the proximal superficial femoral artery (SFA). (medscape.com)
  • Patients who underwent mechanical thrombectomy from April 2019 to March 2021 for anterior circulation proximal large artery occlusion in our institute were divided into two groups of pre- and post-COVID-19, with April 2020 assumed to be the start of the COVID-19 era with the first declaration of a state of emergency. (go.jp)
  • Documentation in the medical record of the location of the clot in either the large arteries in the neck or base of the brain (proximal), or small arteries higher up in the brain (distal). (jointcommission.org)
  • If multiple occlusions, select "proximal" or "distal" for the primary vessel occlusion. (jointcommission.org)
  • The purpose of this study was to evaluate the outcome for patients with tandem occlusions in the MCA and/or distal ICA, retrospectively, who had undergone stent implantation in the proximal segment of the ICA in addition to intra-arterial thrombolysis. (ajnr.org)
  • Thirty-five patients with tandem occlusions of the MCA and/or distal ICA and acute occlusion of the proximal ICA underwent stent implantation for the proximal ICA occlusion and IAT for the tandem occlusion. (ajnr.org)
  • Water dynamics in the infarct region and on either side of the anterior cerebral artery (ACA) was monitored with proton-density-weighted imaging (PDWI) performed on a 7T animal MRI. (elsevierpure.com)
  • Both patients underwent fluorescein retinal angiography that demonstrated multifocal retinal artery occlusions without evidence of embolic disease. (wikipedia.org)
  • Ophthalmic examination and fluorescein angiography showed that occlusions were due to ischaemic events. (who.int)
  • If the carotid duplex is negative, imaging of the more distal carotid artery with CT angiography or MR angiography may identify a stenosis. (bmj.com)
  • An abdominal dynamic computed tomography angiography showed stenosis and dilatation of multiple visceral arteries, including the middle and right colic arteries. (amjcaserep.com)
  • Simultaneously, CT angiography showed stenosis of the right internal carotid artery (ICA), but cerebral blood flow remained normal ( figure 1 ). (bmj.com)
  • This led us to perform cerebral angiography, showing near occlusion of the right ICA and no cross-flow from the left ICA. (bmj.com)
  • B) CT angiography shows stenosis of the right internal carotid artery (ICA) (black arrow) and a patent left ICA. (bmj.com)
  • B) MR angiography shows a defect in the flow signal of the right internal carotid artery (white arrows) with preservation of the right middle cerebral artery. (bmj.com)
  • Angiography of the right ICA showed a severely stenotic but intact lumen of the artery, and we decided to perform endovascular carotid artery stenting. (bmj.com)
  • After the procedure, angiography of the common carotid artery revealed recovery of anterograde blood flow in the right ICA ( figure 3 ). (bmj.com)
  • Cerebral angiography before and after endovascular carotid artery stenting. (bmj.com)
  • Although she was visually asymptomatic, dilated funduscopy detected bilateral multiple peripheral branch retinal artery occlusions which were confirmed on fluorescein angiography. (biomedcentral.com)
  • The next phases of fluorescein angiography showed the blood flow in the affected artery. (who.int)
  • few studies have looked at the relationship between CRP and large artery atherosclerosis- (LAA-) type AIS. (hindawi.com)
  • AIS has different subtypes, and large artery atherosclerosis (LAA) is a key subtype of the Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification system. (hindawi.com)
  • The occurrence of AF has been described in strokes of non-cardioembolic aetiology, such as atherosclerosis of large arteries or small vessel occlusion, and is estimated to account for 15-30% of all acute cerebrovascular events in patients with AF [5, 8]. (termedia.pl)
  • Stroke due to large artery stenosis-from atherosclerosis in the carotid, vertebral or intracranial vessels-is probably primarily thromboembolic secondary to thrombosis at the site of stenosis, rather than haemodynamic. (bmj.com)
  • Among the 5 subtypes developed in the Trial of Org 10172 in Acute Stroke Treatment, large-artery atherosclerosis is known to be the most common mechanism (34.5%) for medulla infarction [ 3 ]. (neurointervention.org)
  • 2 , 17 We evaluated outcome of the acute symptomatic ICA occlusion and estimated how the clinical outcome differs according to the 14 prognostic factors associated with the clinical outcomes. (ajnr.org)
  • In an ultrasound substudy of ulnar artery, the PROPHET-II researchers did not observe any ulnar trauma and there were no clinical signs of digital ischemia. (tctmd.com)
  • Mamas Mamas, BMBCh (University of Keele, Stoke-on-Trent, England), a radial operator not involved in the present study, told TCTMD that radial artery occlusion is a significant clinical problem. (tctmd.com)
  • Sunil Rao, MD (Duke Clinical Research Institute, Durham, NC), another radial operator not involved in PROPHET-II, said there might be concern that compression of the radial and ulnar arteries simultaneously would result in significant hand ischemia, but this was not observed, suggesting rich blood flow to the hand. (tctmd.com)
  • Stent induced hemodynamic changes in the coronary arteries are associated with higher risk of adverse clinical outcome. (researchgate.net)
  • While the radial artery is the first choice for vascular access owing to its safety-and is endorsed by both the US and European clinical guidelines-it's not without some risks, he said. (tctmd.com)
  • The diagnosis is a clinical one, aided by information from temporal artery biopsies and, in some cases, MRI studies of the aorta and its primary branches. (hcplive.com)
  • Background Substantial clinical evidence supporting the benefit of mechanical thrombectomy (MT) for distal occlusions within the posterior circulation is still missing. (bmj.com)
  • This analysis aims to explore baseline clinical characteristics, severity of occlusion, and extent of coronary disease. (pitt.edu)
  • An independent reviewer abstracted clinical data on location of the culprit vessel(s) and severity of coronary occlusion reports. (pitt.edu)
  • Brain stem infarction secondary to bilateral VA occlusion following cervical spine trauma resulted in fatal outcome. (biomedcentral.com)
  • Since then, techniques for thrombolysis have branched in several directions with the treatment of thrombus and/or thrombosis in the coronary arteries, peripheral vascular and visceral arteries, dialysis grafts, veins, and IV catheters. (medscape.com)
  • In all but one of the 38 cases, post-implant aortography or selective cannulation of both coronary arteries had confirmed a lack of obstruction. (medscape.com)
  • The same research group similarly studied 124 hospitalized patients who had in place a coronary artery stent. (wikipedia.org)
  • All patients had patent flow into the M1 and ICA after carotid artery stent placement and IAT. (ajnr.org)
  • Pretreatment anteroposterior (AP) pelvic image shows severe atherosclerotic disease with attenuated flow through the left superficial femoral artery (SFA), which suggests a distal occlusion. (medscape.com)
  • One recent meta-analysis of more than 31,000 patients suggested the rate of occlusion is 7.7% at 24 hours and 5.5% at one week. (tctmd.com)
  • Decreasing the rate of occlusion should be central to all radial programs. (tctmd.com)
  • The risk of occlusion also increases with consecutive procedures, "meaning that occlusion of the radial artery will prevent subsequent procedures being undertaken through this access site," he said. (tctmd.com)
  • Distal radial access-where the radial artery is punctured distal to the superficial palmar arch-has emerged as an alternative to reduce the risk of occlusion. (tctmd.com)
  • [ 16 ] Over a similar period, another study showed a 20% incidence of stroke in patients with retinal artery occlusion. (medscape.com)
  • mean age, 66 years) with: 1) acute symptomatic ICA occlusion within 6 hours of symptom onset or with mismatch of symptoms and an early infarct area, 2) National Institutes of Health Stroke Scale (NIHSS) score of 6 or more, and 3) attempted endovascular revascularization of the occluded ICA. (ajnr.org)
  • ICA occlusion of intravenous thrombolysis trials in patients with acute stroke have been based on the CT exclusion of hemorrhage 9 and on CT parenchymal evaluation 10 , 11 but have not pursued the exact cause or the level of occlusion. (ajnr.org)
  • The prognosis for patients with acute progressive stroke caused by carotid occlusion is known to be poor, with only 2%-12% good recovery. (ajnr.org)
  • mean age, 66 years) who experienced the following: 1) acute symptomatic ICA occlusion within 6 hours of symptom onset or with mismatch of symptoms and early infarct area, 2) initial National Institutes of Health Stroke Scale (NIHSS) ≥6, and 3) attempted intraarterial revascularization, were enrolled in this study. (ajnr.org)
  • The brain responds to a stroke, i.e. occlusion of a cerebral artery, with an inflammatory process characterized by rapid activation of resident cells including microglia and astrocytes, production of proinflammatory mediators, and infiltration of various types of immune cells. (europa.eu)
  • Stroke caused by AOP occlusion is seldom reported. (ruralneuropractice.com)
  • This is known as a retinal artery occlusion, or eye stroke. (aao.org)
  • This suggests that although AF itself is independently associated with stroke, when other risk factors are present the cause of stroke cannot be explained by arrhythmia alone [5, 9]. (termedia.pl)
  • The three main subtypes are: large artery stroke, cardioembolic stroke and lacunar stroke. (bmj.com)
  • Genetic data suggest that risk factors relating to altered coagulation are important for both cardioembolic and large artery stroke, but less so for small vessel stroke. (bmj.com)
  • for example, in a patient with a territorial infarct, finding atrial fibrillation suggests a cardioembolic cause, or finding a ipsilateral carotid stenosis suggests a large artery stroke. (bmj.com)
  • However, the procedural complications of TRA include radial artery spasm and perforation and the post procedural complication includes radial artery occlusion and pseudo-aneurysm. (hpathy.com)
  • We report five cases with caudate infarction due to Heubner's recurring artery occlusion, in which we conducted detailed memory examinations in terms of explicit memory and implicit memory. (nih.gov)
  • Comparing normal control subjects with patients with left caudate infarction due to Heubner's recurring artery occlusion demonstrated lower scores on both declarative and motor procedural memory tasks. (nih.gov)
  • The cause is unknown but it is theorized that antibodies are produced against endothelial cells in tiny arteries which leads to damage and the symptoms related to the illness. (wikipedia.org)
  • Like Mamas, Rao said radial artery occlusion is an issue for interventional cardiologists, and while it is benign for most patients, some individuals will have symptoms from occlusion, particularly those with small caliber radial arteries. (tctmd.com)
  • Occlusion of the carotid artery is clinically silent or accompanied by only mild symptoms if there is adequate collateral flow. (ajnr.org)
  • Occlusion of pulmonary arteries and veins may cause symptoms resembling thromboembolic disease. (northwestern.edu)
  • Second, patients may be relatively protected from the symptoms of coronary obstruction if they've had a prior coronary artery bypass graft , so we need to have a lower threshold for imaging the coronary system post-TAVR. (medscape.com)
  • Unilateral infarction in the watershed regions, and particularly the internal border zone region, raises the possibility of ipsilateral carotid or middle cerebral artery stenosis ( figure 2 ). (bmj.com)
  • Unilateral CE on 3D BB contrast-enhanced MRI and no visualization of the VA on MRA are related to the recent occlusion of the distal VA. These findings suggest that the recent occlusion of the distal VA is related to acute medulla infarction, including delayed visualization on DWI. (neurointervention.org)
  • A 48-year-old woman sought homeopathic treatment for radial artery occlusion post transradial catheterization. (hpathy.com)
  • (UPDATED) Compressing the ulnar artery in addition to standard patent hemostasis significantly lowers the risk of radial artery occlusion after a transradial-access coronary intervention, a new study shows. (tctmd.com)
  • The researchers, led by Samir Pancholy, MD (Commonwealth Medical College, Clarks Summit, PA), state that ulnar artery compression during radial artery hemostasis "is an effective, safe, and inexpensive technique to lower the risks of radial artery occlusion" following transradial catheterization. (tctmd.com)
  • However, there is wide variability in the use of best practices to prevent RAO, making it difficult to assess the true incidence of occlusion after transradial interventions. (tctmd.com)
  • Single-center studies have suggested it's superior to the conventional approach, said Aminian, but these studies were hampered by the high rate of RAO with transradial access, which made comparisons between two techniques difficult. (tctmd.com)
  • IF due to a single "culprit" vessel - I'd suspect acute occlusion of a dominant LCx ( L eft C ircumfle x ) coronary artery, given infero-postero-lateral involvement. (blogspot.com)
  • More likely - this patient has severe underlying multi-vessel disease , with acute occlusion of one of the remaining sources of coronary flow. (blogspot.com)
  • Inferior hemiretinal arterial occlusion of the embolus. (who.int)
  • A branch retinal artery occlusion (BRAO) occurs when one of these branches of the arterial supply to the retina becomes occluded. (medscape.com)
  • BRAO is most likely to occur at the bifurcation of an artery because bifurcation sites are associated with a narrowed lumen. (medscape.com)
  • A sectional visual field defect suggests branch retinal artery occlusion (BRAO) and may be an altitudinal defect affecting the upper or lower hemifield but never respecting a vertical axis. (medscape.com)
  • Boxcar segmentation of the blood column is observed most often in BRAO and is a sign of severe occlusion and slowing of circulation. (medscape.com)
  • Amaurosis fugax preceding persistent loss of vision suggests branch retinal artery occlusion (BRAO) or temporal arteritis and may represent emboli causing temporary occlusion of the retinal artery. (medscape.com)
  • It has been suggested that retinopathy with branch retinal artery occlusions (BRAO) and hearing loss are not always essential in order to have the diagnosis of SS as long as encephalopathy and pathognomonic radiological findings are present [ 2 ]. (biomedcentral.com)
  • Color fundus photo of right eye with inferior branch retinal artery occlusion from a platelet-fibrin embolus. (medscape.com)
  • Susac's syndrome (retinocochleocerebral vasculopathy) is a very rare form of microangiopathy characterized by encephalopathy, branch retinal artery occlusions and hearing loss. (wikipedia.org)
  • Partial vision loss is often present and caused by branch retinal artery occlusions. (wikipedia.org)
  • In branch artery occlusions, visual loss may go unnoticed if only a section of the peripheral visual field space is affected. (medscape.com)
  • A 39-year-old Caucasian lady with hearing loss and encephalopathy was referred for ophthalmic assessment, including screening for branch retinal artery occlusions characteristic of Susac's syndrome. (biomedcentral.com)
  • Compared with studies regarding the effect of middle cerebral artery (MCA) occlusion, 1 there have only been a few studies regarding the efficacy of revascularization in patients with symptomatic acute internal carotid artery (ICA) occlusion. (ajnr.org)
  • Hypoxia and ischemia are linked to oxidative stress, which can activate the oxidant-sensitive transient receptor potential ankyrin 1 (TRPA1) channel in cerebral artery endothelial cells, leading to vasodilation. (elifesciences.org)
  • This study aims to investigate the procedural feasibility and safety of MT for isolated occlusions of the posterior cerebral artery. (bmj.com)
  • Ischemia was induced by permanent occlusion of the middle cerebral artery in rats, via surgical insertion of a nylon filament into the internal carotid artery. (biomedcentral.com)
  • Methods: In this study, we investigated the contribution of AQP4 to brain water dynamics by administering deuterium-labeled water (D 2 O) intraperitoneally to wild-type and AQP4 knockout (AQP4-ko) mice that had undergone surgical occlusion of the middle cerebral artery (MCA). (elsevierpure.com)
  • Though the exact pathogenesis of this disorder is unknown, the retinal and brain biopsy findings suggest a small vessel vasculopathy leading to arteriolar occlusion and microinfarction of cerebral, retinal and cochlear tissue. (wikipedia.org)
  • These results suggested that HSP90β is involved in the process of cerebral ischemia‑reperfusion injury in rats and that inhibition of HSP90β expression increases EAAT2 levels, conferring a neuroprotective effect in MCAO model rats. (spandidos-publications.com)
  • 16 In addition, the management of patients with acute symptomatic carotid artery occlusion remains controversial, though the angiographic finding of ICA occlusion reveals a spectrum of ICA occlusions, as well as a tandem lesion in the intracranial artery in addition to the level (below or above the ophthalmic artery) and type (atherosclerotic or embolic) of lesion. (ajnr.org)
  • Collateral filling of the intradural (antegrade filling) or cavernous (retrograde filling) segment of the ICA through the ophthalmic artery was considered to have collaterals via the ophthalmic artery ( Fig 2 ). (ajnr.org)
  • Most strokes happen when the blood supply to part of the brain is cut off due to blood clots or clumps of fat blocking blood vessels called arteries. (elifesciences.org)
  • The experiments found that decreasing the levels of oxygen in the arteries caused 4-HNE to accumulate and activate TRPA1, resulting in the blood vessels becoming wider. (elifesciences.org)
  • These clots may travel through the body and reach the veins, arteries and blood vessels of the eye. (aao.org)
  • It is of interest to note that histological examinations in specimens from a patient with SS suggest that the cause of the retinal arterial wall plaque is the accumulation of serous deposits between the retinal blood vessels and the internal limiting membrane which leads to compression or even occlusion of them. (biomedcentral.com)
  • Pulmonary veno-occlusive disease (PVOD) is characterized by the blockage (occlusion) of the blood vessels that carry oxygen-rich (oxygenated) blood from the lungs to the heart (the pulmonary veins). (medlineplus.gov)
  • Blood samples and four blood vessels, the aorta, superior vena cava, pulmonary vein and pulmonary artery, were obtained from 11 slaughtered sheep. (who.int)
  • Another new study from China suggests that nicotinic acid protects memory function caused by the disruption of oxygen (cerebral ischemia) and the restoration of blood flow (reperfusion) into the brains of rats following disruption. (life-enhancement.com)
  • The most common imaging findings via computed tomography (CT) include dissection, aneurysm, beading, occlusion, and arterial wall thickening, which can cause ischemia/infarction of the organs involved and sometimes a life-threatening hemorrhage [1-4]. (amjcaserep.com)
  • Previous studies suggest that the cyclooxygenase-2 (COX-2) inhibitor nimesulide has a remarkable protective effect against different types of brain injury including ischemia. (biomedcentral.com)
  • These findings suggested a state of progressive ischemia in the right cerebral hemisphere. (bmj.com)
  • In a trial of 3,000 patients undergoing diagnostic cardiac catheterization, the 30-day incidence of radial-artery occlusion was 0.9% among those randomized to prophylactic ipsilateral ulnar compression and standard hemostasis and 3.0% among patients treated with standard hemostasis alone ( P =0.0001). (tctmd.com)
  • The veins tend to be spared in hepatic venous occlusion in patients with Budd-Chiari syndrome, giving rise to hypertrophy of the caudate lobe and adjacent part of the right lobe. (medscape.com)
  • Pulmonary Embolism (PE) Pulmonary embolism (PE) is the occlusion of pulmonary arteries by thrombi that originate elsewhere, typically in the large veins of the legs or pelvis. (msdmanuals.com)
  • Occlusion of the radial artery is the most common complication after the procedure, and it has an impact because it precludes the use of the same radial artery for future procedures or as a conduit for CABG," he said. (tctmd.com)
  • A Case of Segmental Arterial Mediolysis of Multiple Visceral Arteries Following Anti-COVID-19 Vaccination: Late Complication or Rare Coincidence? (amjcaserep.com)
  • A uniform DCO definition should be added to the next Valve Academic Research Consortium (VARC) manuscript to help track the lethal complication in future trials and registries, he suggested. (medscape.com)
  • Immediate sheath removal, use of thin needle, checking the patency of the artery and short time compression post the procedure have proven to reduce the occurrence of RAO. (hpathy.com)
  • In brief, after applying the air-filled compression device and removing the sheath, hemostatic pressure was set to a level just enough to maintain hemostasis without harming radial artery patency as assessed by the reverse Barbeau test. (tctmd.com)
  • The ductus arteriosus is a small fetal structure that connects two large arteries (aorta and pulmonary) but becomes pathological when it is maintained after birth. (bvsalud.org)
  • Ductus arteriosus is a small arteriosus structure which communicates two big arteries with different resistances (aorta and pulmonar), normally present in the infant in which becomes pathological when kept after birth 1 . (bvsalud.org)
  • One study found at autopsy significant thickening of pulmonary arteries in cirrhotic patients. (wikipedia.org)
  • One study found that acute coronary syndrome occurred 1.72 times more often in patients with retinal artery occlusion than in controls. (medscape.com)
  • We evaluated outcome predictors of a good recovery in patients with acute symptomatic ICA occlusion. (ajnr.org)
  • Active revascularization of acute symptomatic ICA occlusion resulted in good recovery in one third of patients after 1 year. (ajnr.org)
  • A case-control study of hospitalized patients found that the blood plasma levels of CMTM5 protein and CMTM5 messenger RNA (i.e. mRNA) in 350 patients with coronary artery disease were significantly higher than a matched group of 350 patients without this disease. (wikipedia.org)
  • At 24 hours, the incidence of radial artery occlusion was 4.3% in the standard hemostasis arm and 1.0% in patients who received ulnar compression with standard hemostasis ( P =0.0001). (tctmd.com)
  • therefore, we investigated the prevalence among 33 patients with retinal vein and artery occlu- sions and 80 controls. (who.int)
  • In particular, retinal vascular occlusions says for anticardiolipin antibodies and lupus in patients with primary APS, i.e. with an- anticoagulant. (who.int)
  • Two patients experienced retinal detachment, while two suffered retinal artery occlusion. (medscape.com)
  • Introduction: Research suggests that the severity of coronary artery disease correlates with outcomes in patients with acute coronary syndrome (ACS). (pitt.edu)
  • This analysis included ACS patients with either ST- or Non-ST-Segment Elevation (STE-ACS or NSTE-ACS) subtype, who had angiographic evidence of coronary occlusion (≥50% narrowing in at least one main coronary artery). (pitt.edu)
  • Another 44% of patients had a mean sinus of Valsalva diameter greater than 30 mm and only about half of the occlusions involved implantation depths considered high. (medscape.com)