Middle cerebrInfarctionHyperperfusion syndromeAneurysmsMoyamoya diseaseIschemiaBypassAngiographyIschemic strokeAnastomosisCoronaryHemodynamicsEndovascular ApproachProcedureNeurologicalAneurysmPatients with symptomaticPerfusionAnterior CerebrOcclusionSurgerySurgicalFocalCarotid StenosisArteryBloodCognitive declineAtherosclerosis2023ArteriesBilateralCognitionPediatricAngiogramVascular pathologyPrognosis
Middle cerebr6
- Moyamoya disease (MMD) is a progressive occlusive disease of the distal internal carotid artery that is primarily treated by superficial temporal artery-middle cerebral artery (STA-MCA) bypass. (nih.gov)
- While the superficial temporal artery to middle cerebral artery section is very comprehensive (including double-barrel grafts and a large group of different aetiologies), there is also a separate chapter devoted to Bonnet bypass, and even facial - vertebral artery bypass. (acnr.co.uk)
- 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)
- Bypass surgery for complex middle cerebral artery aneurysms: an algorithmic approach to revascularization. (snacc.org)
- Intraoperative photographs of superficial temporal artery-middle cerebral artery anastomosis and schemas showing microanastomosis with short-thread double-armed microsuture. (surgicalneurologyint.com)
- This study assesses the long-term outcome of patients undergoing superficial temporal artery to middle cerebral artery (STA-MCA) bypass for symptomatic carotid occlusion. (edu.au)
Infarction8
- Frequent topics of these articles have been: surgical aneurysm management brain circulation microanatomy, anastomosis and revascularization non-invasive monitoring of cerebral hemodynamics, blood gases and pH in surgical patients cerebral arteriovenous malformations Ausman is a pioneer in the field of revascularization techniques to improve cerebral blood flow, relieve cerebral ischemia, and treat cerebral infarction and has contributed articles and chapter books on the subject. (wikipedia.org)
- P = .005), initial NIHSS score ( P = .023), and postprocedural thrombolysis in cerebral infarction ( P = .027), retrograde ICA filling ( P = .036), and ophthalmic collaterals ( P = .046) were significant predictors of short-term outcome. (ajnr.org)
- Successful recanalization (thrombolysis in cerebral infarction Grade 2b/3) was achieved in 57 (87.69%) patients. (cns.org)
- These results are consistent with the high risks of haemodynamic infarction in untreated patients and a benefit from revascularization surgery. (edu.au)
- The Thrombolysis in Cerebral Infarction (TICI) Reperfusion Grade is used to measure cerebral reperfusion. (jointcommission.org)
- Background Targeted eloquence-based tissue reperfusion within the primary motor cortex may have a differential effect on disability as compared with traditional volume-based (thrombolysis in cerebral infarction, TICI) reperfusion after endovascular thrombectomy (EVT) in the setting of acute ischemic stroke (AIS). (bmj.com)
- Compromise of Blood Flow to the Brain Leads to Cerebral Ischemia, Which If Left Untreated May Even Result in Cerebral Infarction. (mst.edu)
- Improving the Blood Flow in the Areas of Brain at Risk in Properly Selected Patients Could Prevent Impending Cerebral Ischemia and Infarction. (mst.edu)
Hyperperfusion syndrome2
- Cerebral hyperperfusion syndrome (CHS) after STA-MCA has attracted considerable attention as a hemodynamics-related complication because more cases of CHS after STA-MCA bypass are reported in MMD than in non-MMD patients. (nih.gov)
- The book makes no attempt to revisit the complexities of diagnoses, indications for, and outcome measures relating to each procedure, and anyone expecting a breakdown of longer term complications (e.g. cerebral hyperperfusion syndrome, etc.) will be disappointed. (acnr.co.uk)
Aneurysms5
- Biology and hemodynamics of cerebral aneurysms. (usz.ch)
- Awake High-Flow Extracranial to Intracranial Bypass for Complex Cerebral Aneurysms: Institutional Clinical Trial Results. (snacc.org)
- Microvascular anastomosis techniques are important for revascularization surgeries on brachiocephalic and carotid arteries and complex cerebral aneurysms and even during resection of brain tumors that obstruct major cerebral arteries. (hindawi.com)
- Bypass techniques are still valuable for the surgical treatment of complex cerebral aneurysms by reducing the risk of temporary and constant brain ischemia due to the alteration in blood flow. (hindawi.com)
- Endovascular therapies include embolotherapy (see the images below), the goal of which is the occlusion of abnormal blood vessels (eg, vascular malformations, aneurysms, and vascular tumors) and cerebral revascularization, the goal of which is to reopen occluded or narrowed normal vessels. (medscape.com)
Moyamoya disease4
- Such conditions include moyamoya disease , carotid artery disease , and atherosclerosis of the cerebral arteries. (medscape.com)
- While revascularization can improve CVR and reduce this risk in adult patients with vasculopathy such as those with Moyamoya disease, its impact on hemodynamics in pediatric patients remains to be elucidated. (stanford.edu)
- Sixty-four patients (38 cerebral revasculazation, 16 moyamoya disease, and 10 aneurysm surgery) undergoing microvaucular anastomosis were included. (surgicalneurologyint.com)
- Sixty-four patients (38 cerebral revasculazation, 16 moyamoya disease, and 10 aneurysm surgery) receiving microvascular anastomosis participated in the 5-year study at our institute [ Table 1 ]. (surgicalneurologyint.com)
Ischemia8
- Each of these conditions puts the brain at risk of cerebral ischemia or ischemic stroke. (medscape.com)
- We found that wild type (WT) C57BL/6 mice, subjected to hind limb ischemia (HLI) and supplemented with carnosine (1g/L) in drinking water, had improved blood flow recovery and limb function, enhanced revascularization and regeneration of myocytes compared with HLI mice placed on water alone. (frontiersin.org)
- It was shown that cerebral revascularization using extracranial to intracranial bypass may result in neurological symptoms improvement and an objective increase in regional cerebral blood flow in a selective cohort of patients with symptomatic chronic cerebrovascular ischemia [ 1 ]. (hindawi.com)
- Long-term hemodynamic stress through the basal collateral network leads to cerebral ischemia and intracranial hemorrhage in children and adults, respectively. (intechopen.com)
- Cerebral Ischemia to the Posterior Fossa is More Critical and Difficult to Treat. (mst.edu)
- Today, There Are Mainly Three Types of Treatment Offered to Patients with Posterior Cerebral Ischemia. (mst.edu)
- the Recent Advances in Technology, the Diagnosis and Mode of Therapy, Has Definitely Improved the Outcomes of Cerebral Ischemia. (mst.edu)
- Various Pre-Operative and Operative Techniques Involved in Treating Patients with Posterior Cerebral Ischemia Are Discussed. (mst.edu)
Bypass5
- Revascularization may also be performed to bypass a damaged artery. (medscape.com)
- There are 16 chapters addressing the different bypass procedures, pertinent to both low-flow and high-flow revascularisation, with suitable emphasis upon the more common techniques. (acnr.co.uk)
- Extracranial-intracranial bypass approach to cerebral revascularization: a historical perspective. (thieme-connect.de)
- Therefore extracranial-intracranial (EC-IC) bypass was developed to reduce the risk of ischemic stroke in patients with impaired cerebral hemodynamics due to occlusive cerebrovascular disease. (scirp.org)
- Cerebral artery bypass surgery is used to restore blood flow by connecting a blood vessel from outside the brain to a vessel inside the brain - rerouting blood flow around a blocked or damaged artery. (memorial.org)
Angiography3
- We also specialize in diagnostic cerebral and head and neck angiography and spinal angiography. (hopkinsmedicine.org)
- The degree of carotid and intracranial stenosis was initially evaluated by CT angiogram (CTA), and conventional cerebral angiography was followed in anticipation of CAS and EC-IC by-pass. (scirp.org)
- Therefore, we sought to explore the actual causes of death and their relation with progressive coronary atherothrombosis documented by coronary angiography or autopsy in a large Japanese observational database of patients undergoing first coronary revascularization. (crtonline.org)
Ischemic stroke6
- Cerebral vascular insufficiency, typically caused by extracranial or intracranial steno-occlusive disease (any arterial occlusion or severe extracranial or intracranial stenosis in symptomatic arterial territory), is the leading cause of ischemic stroke . (medscape.com)
- The Solitaire™ X revascularization device, featuring Parametric™ design, a unique overlapping stent retriever-based technology, restores blood flow and retrieves clots from occluded blood vessels in the brain for patients experiencing acute ischemic stroke (AIS) due to a large vessel occlusion (LVO). (medtronic.com)
- 2. The Solitaire X Revascularization Device is indicated to restore blood flow by removing thrombus from a large intracranial vessel in patients experiencing ischemic stroke within 8 hours of symptom onset. (medtronic.com)
- Reperfusion injury in acute ischemic stroke: Tackling the irony of revascularization. (nih.gov)
- Management of acute ischemic stroke due to tandem occlusion: extracranial or intracranial revascularization first? (cns.org)
- MR CLEAN (Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands), published online in the New England Journal of Medicine on December 17, showed a clinically significant increase in functional independence in daily life by 3 months in patients with an occluded major cerebral artery who underwent endovascular intervention, most of whom had already received thrombolysis. (medscape.com)
Anastomosis1
- Haga S, Nagata S. Usefulness of continuous suture using short-thread double-armed micro-suture for cerebral vascular anastomosis. (surgicalneurologyint.com)
Coronary10
- whereas undetectable baseline viral load (HR 0.41, 95% CI, 0.18-0.96) was associated with coronary and/or cerebral events. (natap.org)
- As in previous studies [34-36], we found that undetectable baseline HIV RNA was associated with a reduced risk of coronary and/or cerebral ASCVD events. (natap.org)
- Traditional CVD risk factors were predictive of coronary and/or cerebral ASCVD events, whereas undetectable baseline HIV RNA was protective. (natap.org)
- Secondary outcomes were coronary and/or cerebral ASCVD events, and peripheral artery disease (PAD) ASCVD events. (natap.org)
- This study sought to evaluate what proportion of death after coronary revascularization is related to documented progressive coronary atherothrombosis. (crtonline.org)
- Documented progressive coronary atherothrombosis as the cause of death was defined as preceding coronary revascularization within 30 days before death or irreversible brain damage and/or proof of coronary thrombus by autopsy. (crtonline.org)
- Only about one-third of deaths were cardiac in origin during 5-year follow-up in post-discharge patients after coronary revascularization. (crtonline.org)
- This study demonstrated the causes of death after first coronary revascularization in Japanese cohort data. (crtonline.org)
- Coronary artery disease (CAD) and cerebral vascular disease (CVD) are the two leading causes of death all over the world. (crtonline.org)
- Patients who will experience little benefit from coronary revascularization are also excluded. (medscape.com)
Hemodynamics1
- The biophysical role of hemodynamics in the pathogenesis of cerebral aneurysm formation and rupture. (nih.gov)
Endovascular Approach2
Procedure1
- In these cases, a revascularization procedure can provide an alternative blood flow path. (medscape.com)
Neurological1
- Impaired cerebrovascular autoregulation has been implicated in the pathogenesis of CHS, which is characterized by unilateral headache, face and eye pain, seizures, and focal neurological deficits secondary to cerebral edema, and intracranial hemorrhage. (nih.gov)
Aneurysm1
- OBJECTIVE AND IMPORTANCE: How to manage the distal anterior cerebral artery (ACA) circulation in the treatment of a giant anterior communicating artery aneurysm or a giant azygous A2 aneurysm is still controversial. (elsevierpure.com)
Patients with symptomatic1
- They concluded that cerebral revascularization may be done safely at high-volume cerebrovascular centers for high-risk patients for whom optimal medical therapy has failed, and that further research must be done to develop an improved method of risk stratification for patients with symptomatic atherosclerotic cerebrovascular steno-occlusive disease to determine which patients may benefit from intervention. (medscape.com)
Perfusion1
- Cerebral perfusion assessed with SPECT scan improved in 88% of patients. (edu.au)
Anterior Cerebr1
- anterior cerebral artery (ACA) - medial frontal branch arising from callosomarginal or pericallosal arteries) and graded as absent (0), partial (1), and complete (2). (bmj.com)
Occlusion7
- 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)
- Active revascularization of acute symptomatic ICA occlusion resulted in good recovery in one third of patients after 1 year. (ajnr.org)
- Optimal management of an ICA occlusion with a concomitant MCA occlusion has not been clearly established, though MCA occlusion can only be a target of revascularization. (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)
- Reperfusion past the target arterial occlusion and into the distal arterial bed and terminal branches, in conjunction with recanalization of the target arterial occlusion, demonstrates flow restoration or revascularization. (jointcommission.org)
- It will now be used for patients with occlusion of the major cerebral artery who present within in 6 hrs. (medscape.com)
- He explained that a crucial factor in the study design was the requirement for radiological evidence of occlusion of a major cerebral artery. (medscape.com)
Surgery7
- Cerebral revascularization is surgery that restores blood flow to the brain, decreasing the chance of stroke or other damage to brain tissue. (medscape.com)
- Rather, they have been linked to potentially dramatic impairments in functional capacity, quality of life, and cognitive function that may be to varying extents reversible with treatment.1-3 On January 12-13, 2023, the newly formed Society of Neurointerventional Surgery (SNIS) Cerebral Venous and Cerebrospinal Fluid (CSF) Disorders Committee held its inaugural conference in Honolulu, Hawaii, USA. (journaltocs.ac.uk)
- Cerebral revascularization surgery improves cerebral blood flow, but it remains unclear whether this reduces the risk of stroke. (edu.au)
- Using a modified Delphi process, we sought to establish expert consensus on key components of the perioperative care of children with moyamoya undergoing indirect revascularization surgery and identify areas of equipoise to define future research priorities. (gwu.edu)
- RESULTS: Thirty-nine statements regarding perioperative pediatric moyamoya care for indirect revascularization surgery reached consensus. (gwu.edu)
- and (6) intravenous fluid bolus administration should be considered the first-line intervention for new focal neurologic deficits following indirect revascularization surgery. (gwu.edu)
- CONCLUSIONS: In the absence of data supporting specific care practices before and after indirect revascularization surgery in children with moyamoya, this Delphi process defined areas of consensus among neurosurgeons, neurologists, and intensivists with moyamoya expertise. (gwu.edu)
Surgical3
- Given the high risk of recurrent stroke in some patients and the fact that for some patients, medical therapy fails, surgical revascularization may offer the best method of ensuring good long-term outcomes with manageable up-front risks. (medscape.com)
- But at the same time, several randomized controlled trials have shown no benefit of surgical revascularization compared to the best medical treatments to prevent stroke [ 2 ]. (hindawi.com)
- BACKGROUND: Surgical revascularization decreases the long-term risk of stroke in children with moyamoya arteriopathy but can be associated with an increased risk of stroke during the perioperative period. (gwu.edu)
Focal1
- Overview of Stroke Strokes are a heterogeneous group of disorders involving sudden, focal interruption of cerebral blood flow that causes neurologic deficit. (msdmanuals.com)
Carotid Stenosis2
- Carotid revascularization for primary prevention of stroke (CREST-2) is two independent multicenter, randomized controlled trials of carotid revascularization and intensive medical management versus medical management alone in patients with asymptomatic high-grade carotid stenosis. (mayo.edu)
- Revascularisation of Asymptomatic Carotid Stenosis - Reasonable or Obsolete? (bvsalud.org)
Artery2
- Low cerebral blood flow can affect cognition in patients with high-grade asymptomatic internal carotid artery stenosis. (karger.com)
- The cerebral angiogram is done by injecting dye into the body's arterial tree through the femoral artery (in the groin area) and then viewing that dye on fluroscopy as it reaches the cerebral vessels. (nphm.com)
Blood7
- Revascularization is performed to treat several conditions that reduce blood flow to the brain. (medscape.com)
- Following carotid revascularization, an abrupt increase in cerebral blood flow may disrupt the blood-brain barrier, resulting in reperfusion injury. (biomedcentral.com)
- In a cerebral angiogram, a health care provider inserts a long, thin tube called a catheter into a blood vessel in your groin. (mayoclinic.org)
- Cerebrovascular reserve (CVR) reflects the capacity of cerebral blood flow (CBF) to change following a vasodilation challenge. (stanford.edu)
- Measuring Quantitative Cerebral Blood Flow in Healthy Children: A Systematic Review of Neuroimaging Techniques. (stanford.edu)
- Cerebral blood flow (CBF) is an important hemodynamic parameter to evaluate brain health. (stanford.edu)
- The acute phase is associated with a steady increase in ventilation, improved oxygenation, and changes in cerebral blood flow. (cdc.gov)
Cognitive decline2
- Additional well-designed randomized trials and observational studies are needed to determine if revascularization can arrest or reverse cognitive decline in these patients. (medscape.com)
- Current clinical algorithms use stroke risk to determine which patients should undergo revascularization without considering cognitive decline. (karger.com)
Atherosclerosis1
- In a systematic review of effects of revascularization on cognitive outcomes in patients with intracranial steno-occlusive disease, review authors examined existing literature on intracranial steno-occlusive disease, including intracranial atherosclerosis and MMD, to determine the extent and quality of evidence for the effect of revascularization on cognitive performance. (medscape.com)
20231
- and Hersh, David S., "Pediatric Moyamoya Revascularization Perioperative Care: A Modified Delphi Study" (2023). (gwu.edu)
Arteries1
- Patients underwent bilateral insonation of middle cerebral arteries with standard 2-Hz probes over the temporal windows with transcranial Doppler. (karger.com)
Bilateral1
- CONCLUSION: In cases in which direct clipping to preserve distal ACA flow is quite difficult, the bilateral ACA revascularization described here should be considered as another possibility. (elsevierpure.com)
Cognition1
- Further studies are needed to confirm the role of revascularization on cognition. (scirp.org)
Pediatric3
- endovascular therapy of pediatric cerebral vascular malformations, eg. (usz.ch)
- Short- and Long-Term MRI Assessed Hemodynamic Changes in Pediatric Moyamoya Patients After Revascularization. (stanford.edu)
- Pediatric Moyamoya Revascularization Perioperative Care: A Modified De" by Lisa R. Sun, Lori C. Jordan et al. (gwu.edu)
Angiogram2
- Cerebral angiogram. (mayoclinic.org)
- The physician at University Hospitals of Cleveland had asked the family to return to Cleveland in August 1996 for a cerebral angiogram to check on the status of her brain revascularization. (nphm.com)
Vascular pathology2
- This formidable text represents a distillation of neurosurgical anastomotic technique to ameliorate (or prophylactically prevent) cerebral ischaemia, encompassing various types of vascular pathology. (acnr.co.uk)
- Cerebral vascular pathology comprises the major part of neurology and neurosurgery. (hindawi.com)
Prognosis1
- This report presents a comprehensive review of the literature on CHS after revascularization in MMD patients, focusing on the pathogenesis, clinical features, imaging techniques, treatment, and prognosis of CHS. (nih.gov)