Hyperperfusion syndrome

    • [PDF File]Vasoconstriction and hyperperfusion syndrome after carotid artery stenting

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      oped hyperperfusion, but the disturbances in cerebral autoregulations may be associated. is is the rst case report on CAS complications, which include vasoconstriction and hyperperfusion syndrome. In general, surgeons know the risk of hyper-perfusion syndrome. e operated side is hypoperfused even before the surgery, thus making it dicult to con-

    • [PDF File]IMAGE OF THE MOMENT Cerebral hyperperfusion syndrome

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      Cerebral hyperperfusion syndrome is defined as atriad of headache,neurological deficit and seizures, developing after cere-bral revascularisation, for example, with carotid endarterectomy or carotid angio-plasty with stenting.1 Hyperperfusion— defined as >100% increase in cerebral blood flow over baseline—can be shown

    • [PDF File]Personal View Cerebral hyperperfusion syndrome

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      Cerebral hyperperfusion syndrome (CHS) after carotid endarterectomy is characterised by ipsilateral headache, hypertension, seizures, and focal neurological deficits. If not treated properly it can result in severe brain oedema, intracerebral or subarachnoid haemorrhage, and death. Knowledge of CHS among physicians is limited.

    • Cerebral hyperperfusion syndrome

      Cerebral hyperperfusion syndrome (CHS) is a common complication after direct bypass surgery in patients with Moyamoya disease (MMD). Since preventive measures may be inadequate, Yang et al. assessed whether the blood flow difference between the superficial temporal artery (STA) and

    • [PDF File]Cerebral Hyperperfusion Syndrome Presenting As Status Epilepticus ...

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      Cerebral Hyperperfusion Syndrome (CHS), or cerebral reperfusion injury, is a rare syndrome that has been described as a clinical constellation of symptoms of severe headache, ipsilateral to the side of reperfusion, focal neurological deficits, possible intracerebral hemorrhage, and in rare cases, with seizures or encephalopathy [1].

    • [PDF File]Cerebral Hyperperfusion Syndrome after Surgical Elimination of an ...

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      Cerebral hyperperfusion syndrome could happen after CJF elimination whatever its duration that can be reversible with early recognition and proper management. References 1. Gong Y, Xu HX, Lin M, Gu Y. Aniatrogenic complication of internal jugular vein catheterization for hemodialysis. Ir J Med Sci. 2012;181(1):135-37. 2. James PM Jr, Myers RT.

    • [PDF File]Update on cerebral hyperperfusion syndrome

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      Cerebral hyperperfusion syndrome (CHS) is a clinical syndrome following a revascularization procedure. in the past decade, neurointerventional surgery has become a standard procedure to treat stenotic or occluded cerebral vessels in both acute and chronic settings, as well as endovascular thrombectomy in acute ischemic stroke.

    • [PDF File]Pathophysiology and management of reperfusion injury and hyperperfusion ...

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      Cerebral hyperperfusion is a relatively rare syndrome with significant and potentially preventable clinical conse-quences. The pathophysiology of cerebral hyperperfusion syndrome (CHS) may involve dysregulation of the cerebral vascular system and hypertension, in the setting of increase in cerebral blood flow. The early recognition of CHS is

    • [PDF File]Cerebral Hyperperfusion Syndrome: A Case Report and Review of Literature

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      cerebral hyperperfusion syndrome represents a rare but potentially treatable diagnosis. Outcomes are contingent on early identification, prevention and management of precipitating factors. Herein, we report the case of a patient who presented with altered mentation, hemiparesis, aphasia and seizures, nine days after left carotid endarterectomy.

    • [PDF File]Hyperperfusion Syndrome with Hemorrhage after Angioplasty for Middle ...

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      Summary: Hyperperfusion syndrome is a well-documented complication of carotid endarterectomy, as well as internal carotid artery angioplasty and stent placement. We report a similar complication after distal intracranial (middle ce-rebral artery [MCA] M2 segment) angioplasty. To our knowledge, this is the first report of hyperperfusion syn-

    • [PDF File]Cerebral Hyperperfusion Syndrome After Angioplasty

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      Cerebral hyperperfusion syndrome (CHS) was first described by Sundt et al. (1981) as a clinical syndrome following carotid endarterectomy (CEA) characterized by headache, neurological deficit, and epileptic seizures that is not caused by cerebral ischemia. This chapter deals with this uncommon but no t exceptional complication of endovascular

    • [PDF File]Cerebral Hyperperfusion Syndrome following Staged Bilateral Internal ...

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      Cerebral Hyperperfusion syndrome is a relatively rare event following carotid revascularization. It can occur after both carotid endarterectomy and carotid artery stenting. It is characterized by focal neurodeficit, seizures and headache in the absence of ischemia. It occurs due to ipsilateral cerebral edema secondary to hyperperfusion.

    • [PDF File]Cerebral Hyperperfusion Syndrome after Carotid Revascularization: A ...

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      Cerebral Hyperperfusion Syndrome after Carotid Revascularization Anand Sahoo 293 ournal of Neuroanaesthesiology and Critical CareVol. No. 321 History The term normal perfusion pressure breakthrough was coined by Spetzler et al in 1978 to describe cerebral edema and hemorrhage in a region of impaired cerebral autoregula-

    • [PDF File]Hyperperfusion syndrome after MCA embolectomy – a rare complication?

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      Background: Cerebral hyperperfusion syndrome (cHS) is a well known but rare complication after carotid endarterectomy, carotid angioplasty with stenting, and stenting of intracranial arterial stenosis. The clinical presentation may vary from acute onset of focal oedema (stroke-like presentation) and intracer-

    • Postcarotid Endarterectomy Hyperperfusion or Reperfusion Syndrome

      pathophysiology of the syndrome is still obscure, being probably related to the preoperative loss of vascular autoreg-ulatory mechanisms in a chronically hypoperfused hemi-sphere. Although a degree of hyperperfusion seems to occur in most patients in the immediate postoperative period, florid HS develops in only a few.2–4 Reversible ...

    • CEREBRAL HYPERPERFUSION SYNDROME

      CEREBRAL HYPERPERFUSION SYNDROME I. IBRAHIM AND H. OMARA* UCSD, PCCM, SAN DIEGO, UNITED STATES OF AMERICA INTRODUCTION: Cerebral hyperperfusion syndrome is a relatively rare condition after carotid endarterectomy or carotid artery stenting. Risk factors include perioperative hypertension, high-grade carotid stenosis, and recent cerebral infarction

    • [PDF File]Cerebral hyperperfusion syndrome after mechanical thrombectomy

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      Cerebral hyperperfusion syndrome is a well- known complication after stenting/surgery of long-standing carotid artery stenosis and can lead to brain edema and hemorrhage, and poor outcome if not treated properly (ie, BP control).1 Although the exact pathophysiology still has to be elucidated,

    • [PDF File]Hyperperfusion syndrome: Aggravation of neovascular glaucoma after ...

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      Hyperperfusion syndrome: Aggravation of neovascular glaucoma after stenting for internal carotid artery stenosis. J Case Rep Images Opthalmol 2019;2:100012Z17BL2019. Article ID: 100012Z17BL2019 ***** doi: 10.5348/100012Z17BL2019CR INTRODUCTION Carotid artery angioplasty and stenting (CAAS) is an endovascular procedure used to reduce the risk of

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