Cases reported "Arteriovenous Fistula"

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1/1992. A case report of congenital intrahepatic arterioportal fistula.

    We report a case of congenital arterioportal fistula presenting with upper gastrointestinal bleeding from oesophageal varices. The fistula was successfully treated with surgical ligation of the left hepatic artery. ( info)

2/1992. Tentorial dural arteriovenous fistula obliterated using the petrosal approach.

    BACKGROUND: Tentorial dural arteriovenous fistulas (AVFs) are uncommon lesions usually treated surgically using a subtemporal exposure with division of the tentorium. This exposure requires significant retraction of the temporal lobe and has the possibility of significant arterialized venous bleeding if a draining vein is accidentally cut during division of the tentorium. skull base surgical techniques may provide alternate approaches for the surgical treatment of tentorial dural AVFs. methods: A tentorial dural arteriovenous fistula supplied by the tentorial artery and drained by the petrosal vein was exposed and obliterated using the petrosal (subtemporal-presigmoid) approach. RESULTS: The petrosal approach allowed the exposure and division of the superior petrosal sinus and tentorium with direct visualization of the supratentorial and the infratentorial compartments, avoiding accidental damage to the draining veins. The dural fistula was easily obliterated after its venous drainage was interrupted and the tentorial artery occluded. CONCLUSIONS: Tentorial dural AVFs can be safely treated with interruption of the venous drainage. The exposure can be enhanced with a petrosal approach, decreasing the possibility of uncontrolled bleeding during the procedure. ( info)

3/1992. Vertebral arteriovenous fistula that developed in the same place as a previous ruptured aneurysm: a case report.

    BACKGROUND: Aneurysms of the extracranial vertebral artery (VA) and vertebral arteriovenous fistulas (VAVFs) are relatively rare diseases. The most frequent cause of both diseases is trauma. Atraumatic lesions are less common. Presented here is a case of atraumatic AVF of the extracranial VA that developed in the same location as a previous ruptured aneurysm of the ipsilateral VA that was originally treated by proximal occlusion 11 years earlier. methods: A 40-year-old woman presented with a massive hematoma in the upper posterior neck region caused by the rupture of an extracranial VA aneurysm. Proximal occlusion of the VA was performed by use of a detachable balloon. She enjoyed good health for 11 years, then she noticed a pulsatile bruit. Angiograms revealed an AVF between the left VA that was fed by collateral circulation and the paravertebral venous plexus. Incidentally found were soft tissue masses in the left retroauricular and the right suboccipital regions. Also, skull X-ray films showed multiple bony defects. biopsy of the subcutaneous mass was performed in the hope of obtaining clues as to which pathological processes had weakened the artery. RESULTS: As direct transarterial access to the fistula was out of the question, the fistulous compartment of the paravertebral venous plexus was tightly packed with multiple platinum coils effected by the transfemoral approach. A histological examination of the specimen revealed features of a neurofibroma, and a diagnosis of neurofibromatosis Type 1 was established. CONCLUSIONS: In this case, transvenous embolization of the VAVF was successfully performed. The fragility of the arterial wall, related to neurofibromatosis Type 1, was considered to contribute to the development of the aneurysm and AVF. ( info)

4/1992. Development of a dural arteriovenous fistula around the jugular valve after transvenous embolization of cavernous dural arteriovenous fistula.

    BACKGROUND: Endovascular therapy for dural arteriovenous fistulas (DAVFs) is not without any risks, although it has been generally accepted to be a safe procedure. In this paper, we report a very rare complication: metachronous DAVF around a jugular valve 4 months after transvenous embolization. CASE DESCRIPTION: A 43-year-old woman presented with left proptosis, chemosis, and double vision. cerebral angiography demonstrated a left cavernous DAVF. The patient's symptoms resolved almost completely after embolization with platinum coils via the superior ophthalmic vein. Four months later, angiography revealed a metachronous DAVF around a jugular valve. CONCLUSION: To our knowledge, only four such cases have been reported in the literature. Careful follow-up of patients treated with transvenous embolization and accumulation of such cases are needed to understand the pathogenesis of multiple DAVFs. ( info)

5/1992. Carotid artery fistula after cataract surgery.

    To determine carotid cavernous fistula associated with choroidal detachment after cataract surgery. A 77-year-old woman underwent cataract surgery in both eyes. Postoperatively, proptosis and dilation of episcleral vessels in her left eye occurred and gradually increased. One month later, choroidal detachment developed in her left eye. Computed tomography showed an enlarged superior ophthalmic vein. Selected cerebral angiography showed fistulas between the megingeal branches of both the internal and external carotid arteries and the cavernous sinus. After the neurosurgical treatment, these symptoms disappeared. The development of carotid cavernous fistula after cataract surgery, as demonstrated in our patient, may be uncommon. [Ophthalmic Surg lasers 1998;30:160-162.] Carotid cavernous fistula (CCF) is an abnormal communication between the internal carotid artery and the cavernous sinus. Ocular manifestation of the fistula includes proptosis, pulsation of the globe, orbital bruit, episcleral vein dilation, and chemosis. CCF is divided into spontaneous or traumatic by cause and direct or dural by angiographic findings. To our knowledge, CCF development after cataract surgery may be uncommon. We recently examined a patient with such a condition. ( info)

6/1992. arteriovenous fistula: a cause of torticollis.

    torticollis is a symptom that may represent a wide spectrum of disorders ranging from a simple etiology to a life-threatening pathology. Pediatricians have to suspect central nervous system abnormalities whenever faced with torticollis. The authors report an arteriovenous fistula at the craniocervical junction in a patient presenting with torticollis. ( info)

7/1992. Dural arteriovenous fistula of the cervical spine presenting with subarachnoid hemorrhage.

    We describe a case of dural arteriovenous fistula (DAVF) presenting with subarachnoid hemorrhage (SAH). The diagnosis of DAVF was based on spinal angiography. A review of the literature revealed that five of 13 previously reported DAVFs of the cervical spine were accompanied by SAH. SAH has not been observed in DAVFs involving other segments of the spinal canal. ( info)

8/1992. Percutaneous embolization of a high-flow pancreatic transplant arteriovenous fistula.

    Percutaneous endovascular techniques were used to treat an arteriovenous fistula (AVF) associated with pancreatic transplantation. A pancreatic transplant superior mesenteric artery-to-superior mesenteric-vein AVF was successfully embolized while flow to the pancreas transplant was preserved. The embolization was aided by the use of Guglielmi detachable coils and a detachable balloon. No complications were encountered. At 23 months follow-up, the patient is doing well with no recurrence. ( info)

9/1992. Atypical pulmonary artery sling with diffuse-type pulmonary arteriovenous fistula.

    The case of a cyanotic infant with a rare combination of atypical pulmonary artery sling, imperforate anus, absence of the left kidney, interruption of the inferior vena cava, left side hemihypertrophy and diffuse-type pulmonary arteriovenous fistula is described. The clinical features were confusing, because of compounding abnormalities involving the respiratory tract and pulmonary circulation. The diagnostic approach to the etiology of cyanosis is discussed and the embryonic origin of pulmonary artery sling is reviewed. ( info)

10/1992. The challenge of arteriovenous fistula formation following disk surgery: a collective review.

    Five cases of arteriovenous fistula formation are added to the 68 found in previous reports. A review of the English-language literature revealed that the L4-5 disk space was most frequently involved, the right common iliac artery injured most often, and the right and left common iliac veins and inferior vena cava injured with similar frequency. ( info)
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