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Madsen M A - - 2008
Splenic arteriovenous fistula is a rare complication following splenectomy. We report a case of a large splenic arteriovenous fistula 23 years after splenectomy in a 50-year old male with abdominal pain, gastro-intestinal bleeding, ascites, diarrhoea, dyspnoea, portal hypertension and heart failure. The arteriovenous fistula was successfully treated with percutaneous transarterial ...
Zanow Juergen - - 2008
This experimental study investigated the hemodynamic effect of corrective procedures for arteriovenous access-related ischemia in pulsatile flow. Silicone models of an emulated tapered and bifurcated arterial tree of the upper arm and forearm were integrated into a pulsatile flow circuit. The model allowed the study of hemodynamics of simulated arteriovenous ...
Gupta V - - 2008
We report a case of diffuse arteriovenous malformation (AVM) in basal ganglia and an internal capsule associated with venous aneurysms. The patient was treated by embolization guided by CT angiography to target the basal ganglionic portion of the AVM while sparing the internal capsule. Our case demonstrates that it is ...
Masuoka Jun - - 2008
The authors report a rare case of pial single-channel arteriovenous fistula presenting with significant brain edema. A 51-year-old woman was admitted with a 5-day history of headache and nausea, followed by consciousness disturbance. Computed tomography showed cerebellar swelling with obstructive hydrocephalus. Magnetic resonance imaging revealed extensive vasogenic edema in the ...
Chou Chung-Hsing - - 2008
BACKGROUND: Neuropsychiatric symptoms as the initial presentation of dural arteriovenous fistula (DAVF) are unusual. Anticoagulation therapy may be warranted for prevention of further thromboembolism if an underlying thrombophilia condition is diagnosed. CASE REPORT: We present a 70-year-old woman with sensory aphasia, who was diagnosed with a DAVF, Cognard type II ...
Tan Teng-Yeow - - 2008
Carotid duplex sonography (CDS) is regarded as a screening tool for lateral dural arteriovenous fistulae (AVF). However, data on evaluating long-term effects of endovascular treatment are limited. We report the CDS findings in the feeding arteries of a traumatic temporal extradural AVF before and after transarterial embolization. Volume flow of ...
Minami Manabu - - 2009
BACKGROUND CONTEXT: Hemorrhage that results from spinal dural arteriovenous fistula (Type I arteriovenous malformation [AVM]) is uncommon. There are some reports of subarachnoid hemorrhage and subdural hematoma caused by Type I spinal AVM, but there are few reported cases of hematomyelia caused by spinal dural arteriovenous fistula. PURPOSE: To describe ...
Leon Carlos - - 2008
Physical examination (PE) has been highlighted to detect vascular access stenosis with high degree of accuracy when performed by an interventional nephrologist (IN) with expertise in physical examination. This study examines the accuracy of PE compared with angiography when performed by a nephrology fellow (NF). It also compares NF results ...
Ohta Tsuyoshi - - 2008
The authors present a case of spinal dural arteriovenous fistula with fluctuations in symptoms following embolization. Superselective injection of 33% N-butyl cyanoacrylate into the feeding vessel resulted in the complete occlusion of the fistula with traversal of the nidus. The subsequent venous congestion was progressive and treatable with anti-thrombin therapy. ...
Patel Sapna - - 2009
BACKGROUND: Uterine arteriovenous malformations are rare but potentially life-threatening conditions that should be suspected in unexplained severe vaginal bleeding. CASE: A 28-year-old gravida 7, para 3 presented to the emergency department with heavy vaginal bleeding and passage of blood clots. In the emergency room, her hemoglobin dropped from 11.2 to ...
Fraga José Carlos - - 2008
Congenital pulmonary arteriovenous fistulas are rare vascular malformations in which an abnormal connection develops between an artery and a vein in the lung. We report the case of a 5-year-old boy with a history of cyanosis since birth and cough for 2 days. Physical examination revealed cyanosis of oral mucosa ...
Anderer Erich G - - 2008
Anteriorly located Type IV thoracic arteriovenous malformations (AVMs) are difficult to treat surgically. Although high-flow fistula subtypes are amenable to treatment using endovascular techniques, low-flow fistulas should be treated surgically. There are few reports discussing the diagnosis, behavior, and treatment of these spinal fistulas due to their low incidence. Posterior ...
Kelly Michael E - - 2008
OBJECTIVE: Microcatheters retained after Onyx (eV3 Neurovascular, Inc., Irvine, CA) embolization represent a potential source of thromboembolic complications. Catheter retention depends on the degree of Onyx reflux and vessel tortuosity. To overcome this problem, we have adapted a previously described monorail snare technique for stretched coils to remove an adherent ...
Bandyopadhyay S K - - 2008
Arteriovenous malformations of the lung are relatively uncommon lesions with varied clinical presentation. Nearly half of these are associated with Osler-Rendu-Weber disease. Magnetic resonance angiography is an accurate and non-invasive diagnostic modality. We report a case of a 56-year-old male who had massive haemothorax due to rupture of a pulmonary ...
Giller Cole A - - 2008
Dural arteriovenous fistulae are rare lesions composed of abnormal connections between meningeal arteries and the dural sinuses or lepto-meningeal veins. Treatment is challenging because of the small size and wide distribution of the myriad sites of fistulous connection. We present a case of a dural arteriovenous fistula presenting with visual ...
Tomsick S D SD Department of Radiology, University of Cincinnati Medical Center, Cincinnati, - - 2008
A 32-year-old female developed a bruit, determined to arise from a rare direct arteriovenous (AV) fistula from the ascending pharyngeal artery to the internal jugular vein.The fistula was treated by transarterial silicone balloon occlusion, with occlusion of fistulous flow, ablation of symptoms, and excellentlong-term result.
Fidelman Nicholas - - 2008
Amplatzer vascular plugs (AVPs) are among the embolic agents currently used for occlusion of pulmonary arteriovenous malformations (PAVMs). The authors encountered a patient with multiple PAVMs who developed spontaneous reperfusion of two PAVMs within 7 weeks of initially successful embolization with AVPs. Reperfused PAVMs were effectively occluded by coils deposited ...
Brountzos Elias N - - 2009
We present a 28-year-old man with a large symptomatic arteriovenous fistula (AVF) treated with embolization using the Amplatzer vascular plug (AVP). Although embolization may be considered the first-line therapy in the treatment of AVFs, there is an inherent high risk of migration of the embolic agents into the venous and ...
Matushita Hamilton - - 2008
INTRODUCTION: The perimedullary arteriovenous fistulas are located on the pial surface and are usually supplied by spinal medullary arteries, that is, either by the anterior or posterior spinal arteries, with no intervening nidus between the feeder arteries and the venous drainage. The clinical findings are, more commonly, caused by progressive ...
Tabori Nora E - - 2008
Pulmonary arteriovenous malformations (PAVMs) are a relatively uncommon but potentially life-threatening condition manifested by cyanosis, paradoxical embolization, brain abscess, and rupture. A variety of transcatheter closure devices have been used to occlude PAVMs however risks of device embolization, incomplete closure, or large delivery systems have made each of these methods ...
Im So-Hyang - - 2008
OBJECT: Considerable confusion exists in the literature regarding the classification of cerebrovascular malformations and their clinical significance. One example is provided by the atypical developmental venous anomaly (DVA) with arteriovenous shunt, because it remains controversial whether these lesions should be classified as DVAs or as atypical cases of other subtypes ...
Kiernan Tom - - 2008
Iatrogenic coronary arteriovenous fistulae (AVF) are a rare albeit serious complication of percutaneous coronary artery intervention. We report, to our knowledge, the first case of an AVF originating from the left anterior descending artery (LAD), draining into the great cardiac vein as a result of rotational atherectomy in a complex ...
Conti V - - 2008
Pulmonary arteriovenous fistulas (PAVFs) are rare vascular malformations (PAVMs) of the lung that could lead to severe hypoxiemia due to right-to-left intrapulmonary shunts. They may occur as isolated entities or associated with Osler-Rendu-Weber syndrome or hereditary haemorrhagic telangiectasia (HHT). We report a case of a 70 years old woman with ...
Lannon Declan A - - 2008
We report the case of a 59-year-old woman who developed an arteriovenous fistula in her right buttock following a right inferior gluteal artery perforator flap for breast reconstruction.
Tahon Florence - - 2008
We report an association of new technologies (the Onyx liquid embolic system and the Sonic microcatheter) for transarterial embolization through the anterior branch of the middle meningeal artery of a dural arteriovenous fistula (DAVF) of the anterior fossa. The place of endovascular treatment in anterior fossa DAVFs is reviewed, and ...
Matsubara Noriaki - - 2008
The use of 3D digital subtraction (DS) angiography provides a better understanding of spinal vascular lesion architecture. The authors report on 2 cases involving a spinal dural arteriovenous fistula (DAVF) and demonstrate the usefulness of 3D DS angiography for endovascular treatment of these spinal DAVFs. In both cases, middle-aged male ...
Lawton Michael T - - 2008
OBJECTIVE: The transgenic arteriovenous fistula model, surgically constructed with transgenic mouse aorta interposed in common carotid artery-to-external jugular vein fistulae in nude rats, has a 4-month experimental window because patency and transgenic phenotype are lost over time. We adapted this model to investigate occlusive arteriopathy in brain arteriovenous malformations after ...
Lv Xianli - - 2008
We describe the technique and results of the endovascular treatment of anterior cranial fossa dural arteriovenous fistulas (DAVF) in four symptomatic patients. Catheterization was via the superior sagittal sinus in two patients and via the ophthalmic artery in two patients. Embolization was performed using detachable platinum coils in the former ...
Tsutsumi Satoshi - - 2008
A 62-year-old female suffered severe occipitalgia followed by progressive tetraparesis and bulbar symptoms, although tinnitus in the left ear persisting for more than 1 year resolved spontaneously after the onset. Cerebral magnetic resonance (MR) imaging revealed swelling in the lower brainstem, and cervical T(2)-weighted MR imaging showed diffuse intramedullary hyperintensity ...
Panciani P P - - 2008
Cerebral arteriovenous malformation (AVM) is a complex network of vascular channels consisting of arterial feeders, a nidus and enlarged venous drainage. AVMs usually increase in size with time, but may rarely obliterate; spontaneous angiographic regression occurs in less than 1.5% of cerebral AVMs. Several causes of spontaneous regression have been ...
Wang Chaohua - - 2008
We report a new approach of embolization in a 15-year-old boy that presented with a massive hemorrhage from a maxillary arteriovenous malformation. Re-bleeding occurred after emergent ligation of the external carotid artery. The bleeding was successfully controlled by embolization via the superficial temporal artery.
Ahmad Nargis S - - 2008
The vein of Galen aneurysmal malformation (VGAM) is a rare cerebral arteriovenous shunt, which may be associated with a congenital cardiac defect. Embolisation of the VGAM may be undertaken in the neonatal period if necessary, but is safer in infancy. Recent advances in neuroradiology have changed the prognosis for this ...
Nakamura Hiroshige - - 2008
We experienced a case in which a pulmonary arteriovenous fistula was found due to the occurrence of cerebral infarction. The patient was a 65-year-old female who had seen a local doctor for lightheadedness occurring upon rising in the morning. She underwent a cerebral MRI and was diagnosed to have a ...
Tsutsumi Satoshi - - 2008
A 49-year-old male presented with hemisensory disturbance and gait unsteadiness following a previous episode of meningitis. He had no contributory medical or head injury history. Magnetic resonance imaging revealed innumerable medullary vessels in the white matter of the left cerebral hemisphere, which had not been recognized in the previous imaging ...
Padmanabhan R - - 2008
Primary intraventricular haemorrhage is a rare presentation of a dural arteriovenous fistula. We describe the case of a 52-year-old woman with a past history of idiopathic intracranial hypertension who presented with sudden-onset severe headache The CT scan on admission showed primary intraventricular haemorrhage with no associated haemorrhage in the brain ...
Woo Hyun-Jae - - 2008
Arteriovenous malformation (AVM) is a direct communication between an artery and vein without capillary connections and it is mainly found in the intracranial region. However, in an extracranial region, an AVM of the external ear is relatively uncommon. Recently, we experienced a case of an AVM in the external ear. ...
Brian W. Chong; Mayo ...
Superior sagittal sinus (SSS) dural arteriovenous fistulas (DAVF) are rare and present unique challenges to treatment. Complex often bilateral arterial supply and involvement of large volumes of eloquent cortical venous drainage necessitate multimodality therapy. We report a case of a DAVF of the SSS in a patient who presented uniquely ...
Leon Carlos - - 2008
Physical examination has recently been demonstrated to detect vascular access stenosis in patients with arteriovenous fistulae. However, its accuracy in the identification of stenoses when compared with the gold standard (angiography) in patients with arteriovenous grafts has not been studied in a systematic fashion. We conducted a prospective study to ...
Tabatabai Seyed Ali Fakhr - - 2008
Nongalenic intradural arteriovenous fistulas, although uncommon, are clinically important. Choosing the appropriate therapeutic approach has been a controversial issue within the last decade.A 15-year-old male was presented with a calcified nongalenic arteriovenous fistula in the left parietal region, supplied by the left middle cerebral artery, and draining into the left ...
Kumazoe Hiroyuki - - 2008
We report here a case of a 44-year-old female with a pulmonary varix. The patient was asymptomatic; a routine chest X-ray incidentally revealed a serpiginous mass in the left hilar region. Computed tomography revealed a serpiginous, dilated vascular structure in the left upper lobe that continued into the lower lobe ...
Fraer M - - 2008
Acute occlusions of arteries such as those of the cerebral and peripheral circulation are usually due to thrombotic or embolic events. Emboli have not been previously reported to cause arteriovenous (AV) dialysis access malfunction. We describe in this report three patients with end-stage renal disease (ESRD) and atrial fibrillation (Afib) ...
Stolic Radojica V - - 2008
OBJECTIVE: The aim of this study was to deduce the influence of atherosclerosis and plasma D-dimer concentration on the functioning of arteriovenous fistulae for hemodialysis. METHODS: The study was organized as a prospective and non-randomized investigation in the "Kragujevac" Clinical Center. The 81 examined patients, 49 (60.5%) males and 32 ...
Mache C J - - 2008
The case history is presented of a male infant who was thought to have idiopathic pulmonary arterial hypertension (PAH) at 3 months of age. Subsequently the PAH decreased unexpectedly and diffuse pulmonary arteriovenous malformations (PAVMs) were seen at 6.9 years of age for the first time. Hereditary haemorrhagic telangiectasia type ...
Kuhlencordt Peter J - - 2008
We report about a young patient with a large aneurysm of the left external iliac vein associated with a traumatic arteriovenous fistula between the left superficial femoral artery and the femoral vein after a stab wound 20 years ago. The patient presented with swelling of the left leg, which developed ...
Post M C - - 2008
Migraine is a common neurological disorder with a great impact on the quality of life and social activities. Pulmonary arteriovenous malformations (PAVMs) are mostly congenital, with a prevalence of 5-50% in patients with hereditary hemorrhagic telangiectasia (HHT). A high prevalence of PAVMs is found in patients with HHT and migraine. ...
Saini Ashish - - 2008
We describe three cases of arteriovenous fistula (AVF) that developed between the facial artery and facial vein after mandibular surgery, two after sagittal split osteotomy of the mandible and one after the removal of an infected dental bridge, and discuss the embolization techniques that were used for their successful treatment. ...
Zhong Hongshan - - 2008
A 28-year-old man underwent successful transcatheter occlusion of three huge pulmonary arteriovenous malformations (PAVMs) using homemade double-umbrella occluders and stainless steel coils. Thoracic CT with three-dimensional reconstruction and pulmonary angiography were used for treatment planning and follow-up. The diameters of the feeding vessels were 11 mm, 13 mm, and 14 ...
Kalsi Pratipal S - - 2007
We describe the case of a 79-year-old woman who presented with recurrent hemarthrosis 8 years after primary total knee arthroplasty. An arteriovenous fistula of the superior lateral geniculate artery was diagnosed by arteriography after arthroscopy of the knee revealed multiple organized hematomata with minimal synovitis. The arteriovenous fistula was treated ...
Yamashita Kentaro - - 2007
A 33-year-old woman presented with a rare intracranial pial arteriovenous fistula manifesting as monoparesis and hypesthesia of the right lower extremity. Computed tomography demonstrated an approximately 10-mm diameter subcortical hematoma in the left postcentral gyrus. Two months after suffering the ictus, angiography demonstrated a pial arteriovenous fistula in the late ...
Lesley W S - - 2007
A 56-year-old woman with right-sided trigeminal neuralgia (TN), who underwent technically uneventful percutaneous balloon rhizotomy, developed significant bilateral pulsatile tinnitus on the first post-operative day. Although the patient reported significantly improved neuralgia, auscultation revealed a right facial bruit. Magnetic resonance angiography (MRA) of the face and brain demonstrated prominent right ...
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