Matthew R. Amans
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View article: Abstract 222: Carotid‐Cavernous Fistula (CCF) in Patients with Vascular Ehlers‐Danlos Syndrome (vEDS): A Case Series
Abstract 222: Carotid‐Cavernous Fistula (CCF) in Patients with Vascular Ehlers‐Danlos Syndrome (vEDS): A Case Series Open
INTRODUCTION/PURPOSE Vascular‐subtype Ehlers‐Danlos Syndrome (vEDS), a rare connective tissue genetic disorder caused by COL3A1 mutations leading to abnormal collagen type III production and subsequent skin and vascular fragility, is assoc…
View article: CSF-venous Fistulas Occurring in First Degree Relatives: A Multi-Center Case Series
CSF-venous Fistulas Occurring in First Degree Relatives: A Multi-Center Case Series Open
CSF-venous fistulas are a common cause of spontaneous intracranial hypotension. Although these fistulas are increasingly recognized and diagnosed, their risk factors and pathogenesis remain incompletely understood. Previous studies have el…
View article: Rescue management of recurrent or growing non-acute subdural hematoma following standalone or adjunctive middle meningeal artery embolization: A case series and systematic review
Rescue management of recurrent or growing non-acute subdural hematoma following standalone or adjunctive middle meningeal artery embolization: A case series and systematic review Open
Objective Recurrent or growing non-acute subdural hematoma (SDH) following standalone or adjunctive middle meningeal artery embolization (MMAe) present a complex clinical challenge. This study aims to investigate the multifactorial causes …
View article: Straight sinus stenosis: prevalence in cerebral venous disorders and the role of stenting
Straight sinus stenosis: prevalence in cerebral venous disorders and the role of stenting Open
Background Venous sinus stenting has emerged as an effective treatment for cerebral venous outflow disorders (CVD), historically targeting transverse and superior sagittal sinus stenoses. However, the existence, prevalence, and clinical re…
View article: Non-invasive imaging modalities for diagnosing pulsatile tinnitus: a comprehensive review and recommended imaging algorithm
Non-invasive imaging modalities for diagnosing pulsatile tinnitus: a comprehensive review and recommended imaging algorithm Open
Pulsatile tinnitus (PT) is a challenging diagnostic condition arising from various vascular, neoplastic, and systemic disorders. Non-invasive imaging is essential for identifying underlying causes while minimizing risks of invasive diagnos…
View article: Jugular venous narrowing and spontaneous spinal cerebrospinal fluid leaks: A case–control study exploring association and proposed mechanism
Jugular venous narrowing and spontaneous spinal cerebrospinal fluid leaks: A case–control study exploring association and proposed mechanism Open
Background Spontaneous skull base cerebrospinal fluid leaks (CSFLs) are associated with increased intracranial pressure in idiopathic intracranial hypertension (IIH) and hypothesized to relate to skull base erosions due to increased CSF pr…
View article: Post-acute sequelae of COVID infection and cerebral venous outflow disorders: Overlapping symptoms and mechanisms?
Post-acute sequelae of COVID infection and cerebral venous outflow disorders: Overlapping symptoms and mechanisms? Open
Neurological long Covid (NLC) is a major post-acute sequela of SARS-CoV-2 infection, affecting up to 10% of infected patients. The clinical presentation of patients with NLC is varied, but general NLC symptoms have been noted to closely mi…
View article: Endovascular vs surgical treatment of sigmoid sinus diverticulum causing pulsatile tinnitus: A systematic review
Endovascular vs surgical treatment of sigmoid sinus diverticulum causing pulsatile tinnitus: A systematic review Open
Introduction Sigmoid sinus diverticulum (SSD) has been increasingly reported as a cause of pulsatile tinnitus (PT). While both endovascular and surgical treatments have been used, there is a lack of consensus on the treatment modality to t…
View article: Factors Affecting Selection of TraineE for Neurointervention (FASTEN)
Factors Affecting Selection of TraineE for Neurointervention (FASTEN) Open
Background and importance Neurointervention is a very competitive specialty in the United States due to the limited number of training spots and the larger pool of applicants. The training standards are continuously updated to ensure solid…
View article: Beyond the Buzz: Cortical and subcortical brain changes in patients with pulsatile tinnitus
Beyond the Buzz: Cortical and subcortical brain changes in patients with pulsatile tinnitus Open
Pulsatile tinnitus (PT) can be a debilitating condition characterized by rhythmic, heartbeat-synchronous sounds, which can severely impact patients' quality of life. Understanding the neuroanatomical changes in PT patients may provide crit…
View article: The cortical venous ribbon sign: diffuse cerebral cortex hyperaemia due to venous congestion
The cortical venous ribbon sign: diffuse cerebral cortex hyperaemia due to venous congestion Open
Accounting for 10–15% of intracranial arteriovenous malformations, dural arteriovenous fistulas (dAVFs) are abnormal communications between typically dural arteries and dural venous sinuses, meningeal veins or cortical veins. Likely the mo…
View article: P180/99 More than just noise: association of pulsatile tinnitus with anxiety, depression and reduction of quality of life
P180/99 More than just noise: association of pulsatile tinnitus with anxiety, depression and reduction of quality of life Open
Introduction Patients with pulsatile tinnitus (PT) can have potentially devastating psychological impact, which effect how best to treat these patients, many options which include endovascular treatment. Aim of Study Objectives of this stu…
View article: E-120 The utility of MRI and MRA in the follow-up evaluation of treated dural arteriovenous fistulas: a preliminary analysis
E-120 The utility of MRI and MRA in the follow-up evaluation of treated dural arteriovenous fistulas: a preliminary analysis Open
Introduction Dural arteriovenous fistulas (dAVF) are relatively rare arteriovenous shunting lesions without intervening nidus.1 2 Risk stratification and associated natural history are characterized by the location and nature of venous dra…
View article: O-025 Clinical history and physical examination can differentiate arteriovenous shunts from venous causes of pulsatile tinnitus
O-025 Clinical history and physical examination can differentiate arteriovenous shunts from venous causes of pulsatile tinnitus Open
Introduction Pulsatile tinnitus (PT) may be the presenting symptom of a spectrum of cerebrovascular disorders, ranging from benign venous causes to life-threatening arteriovenous shunts (AVS). Early diagnosis is therefore essential in guid…
View article: Clinical evaluation of pulsatile tinnitus: history and physical examination techniques to predict vascular etiology
Clinical evaluation of pulsatile tinnitus: history and physical examination techniques to predict vascular etiology Open
Background Pulsatile tinnitus (PT) may be due to a spectrum of cerebrovascular etiologies, ranging from benign venous turbulence to life threatening dural arteriovenous fistulas. A focused clinical history and physical examination provide …
View article: More than just noise: Association of pulsatile tinnitus with anxiety, depression, and reduction of quality of life
More than just noise: Association of pulsatile tinnitus with anxiety, depression, and reduction of quality of life Open
Background While many of the causes of pulsatile tinnitus (PT) are treatable with endovascular approaches, the risks of treatment must be balanced with the risks of the underlying cause and the psychological impact of symptoms on patients.…
View article: Evolving indications for pediatric neurointerventional radiology: A single institutional 25-year experience in infants less than one year of age and a brief historical review
Evolving indications for pediatric neurointerventional radiology: A single institutional 25-year experience in infants less than one year of age and a brief historical review Open
Background and Purpose Pediatric neurointerventional radiology is an evolving subspecialty with growing indications and technological advancement such as miniaturization of devices and decreased radiation dose. The ability to perform these…
View article: Resisted Inspiration: A New Technique to Aid in the Detection of CSF-Venous Fistulas
Resisted Inspiration: A New Technique to Aid in the Detection of CSF-Venous Fistulas Open
We describe a technique termed "resisted inspiration" that could be used during myelography to decrease superior vena cava venous pressure and increase lumbar CSF pressure, potentially aiding in the detection of CSF-venous fistulas.
View article: Transitional vascular anomaly of a persistent medial procephalic vein causing obstructive hydrocephalus and intracranial haemorrhage
Transitional vascular anomaly of a persistent medial procephalic vein causing obstructive hydrocephalus and intracranial haemorrhage Open
We report a case of obstructive hydrocephalus caused by a transitional (shunting) developmental venous anomaly not previously reported in the literature. Both thalami in this patient drain into a midline vein in the floor of the third vent…
View article: E-076 Percutaneous sclerotherapy for head and neck lymphatic malformations in neonates and infants (≤ 12 months): indications, technique, safety, and outcomes
E-076 Percutaneous sclerotherapy for head and neck lymphatic malformations in neonates and infants (≤ 12 months): indications, technique, safety, and outcomes Open
Introduction/Purpose Percutaneous sclerotherapy (PS) is an effective treatment for symptomatic lymphatic malformations (LM) of the head/neck. Some LMs present in the neonatal period with fulminant or rapidly progressing symptoms. The pur…
View article: Endovascular Therapy for Intracranial Giant Cell Arteritis
Endovascular Therapy for Intracranial Giant Cell Arteritis Open
Background Giant cell arteritis (GCA) is a systemic vasculitis that may cause ischemic stroke. Rarely, GCA can present with aggressive intracranial stenoses, which are refractory to medical therapy. Endovascular treatment (EVT) is a possib…
View article: Eptifibatide bridging therapy for staged carotid artery stenting and cardiac surgery: Safety and feasibility
Eptifibatide bridging therapy for staged carotid artery stenting and cardiac surgery: Safety and feasibility Open
Background Prophylactic carotid artery stenting (CAS) is an effective strategy to reduce perioperative stroke in patients with severe carotid stenosis who require cardiothoracic surgery (CTS). Staging both procedures (CAS-CTS) during a sin…
View article: Management of vascular causes of pulsatile tinnitus
Management of vascular causes of pulsatile tinnitus Open
Pulsatile tinnitus is a debilitating symptom affecting millions of Americans and can be a harbinger of hemorrhagic or ischemic stroke. Careful diagnostic evaluation of pulsatile tinnitus is critical in providing optimal care and guiding th…
View article: Transvenous Approaches to the Vertebral‐Venous Plexus for Endovascular Treatment of Cervical Epidural Arteriovenous Fistulas: Anatomy and Technique
Transvenous Approaches to the Vertebral‐Venous Plexus for Endovascular Treatment of Cervical Epidural Arteriovenous Fistulas: Anatomy and Technique Open
Background Spinal epidural arteriovenous fistulas (seAVF) are a rare subset of vascular lesions that are most commonly found in the cervical levels. Unlike spinal dural AVF, seAVF are typically supplied by multiple arteries, including dire…
View article: MRI and MR angiography evaluation of pulsatile tinnitus: A focused, physiology‐based protocol
MRI and MR angiography evaluation of pulsatile tinnitus: A focused, physiology‐based protocol Open
Background and Purpose Pulsatile tinnitus (PT) is the subjective sensation of a pulse‐synchronous sound, most often due to a cerebrovascular etiology. PT can severely impact quality of life and may indicate a life‐threatening process, yet …
View article: Endovascular Biopsy of Vertebrobasilar Aneurysm in Patient With Polyarteritis Nodosa
Endovascular Biopsy of Vertebrobasilar Aneurysm in Patient With Polyarteritis Nodosa Open
Background and Purpose: The management of unruptured intracranial aneurysms remains controversial. The decisions to treat are heavily informed by estimated risk of bleeding. However, these estimates are imprecise, and better methods for st…