scholarly journals Superior Sagittal Sinus Dural Arteriovenous Fistulas Treated by Stent Placement for an Occluded Sinus and Transarterial Embolization

2012 ◽  
Vol 18 (3) ◽  
pp. 333-340 ◽  
Author(s):  
N. Ohara ◽  
S. Toyota ◽  
M. Kobayashi ◽  
A. Wakayama

We describe a case of dural arteriovenous fistulas (DAVFs) involving the superior sagittal sinus (SSS) successfully treated with stent placement for an occluded sinus and transarterial embolization. A 61-year-old man who had been treated with anticoagulation for a known SSS thrombosis presented with a sudden onset of headache. CT scan revealed an intraventricular hemorrhage and cerebral angiography revealed DAVFs involving the SSS which had severe venous congestion and sinus occlusion. We treated this case with a staged endovascular approach which consisted of stent placement for the occluded sinus and transarterial intravenous embolization resulting in complete eradication of DAVFs. Recanalization of an occluded sinus by stent placement can reduce venous congestion and transarterial intravenous embolization can obliterate dural arteriovenous shunts. This staged strategy is feasible and should be considered a first option of treatment, especially for DAVFs which presented with intracranial hemorrhage and aggressive venous hypertension.

2001 ◽  
Vol 94 (5) ◽  
pp. 831-835 ◽  
Author(s):  
Jonathan A. Friedman ◽  
Fredric B. Meyer ◽  
Douglas A. Nichols ◽  
Robert J. Coffey ◽  
L. Nelson Hopkins ◽  
...  

✓ The authors report the case of a man who suffered from progressive, disseminated posttraumatic dural arteriovenous fistulas (DAVFs) resulting in death, despite aggressive endovascular, surgical, and radiosurgical treatment. This 31-year-old man was struck on the head while playing basketball. Two weeks later a soft, pulsatile mass developed at his vertex, and the man began to experience pulsatile tinnitus and progressive headaches. Magnetic resonance imaging and subsequent angiography revealed multiple AVFs in the scalp, calvaria, and dura, with drainage into the superior sagittal sinus. The patient was treated initially with transarterial embolization in five stages, followed by vertex craniotomy and surgical resection of the AVFs. However, multiple additional DAVFs developed over the bilateral convexities, the falx, and the tentorium. Subsequent treatment entailed 15 stages of transarterial embolization; seven stages of transvenous embolization, including complete occlusion of the sagittal sinus and partial occlusion of the straight sinus; three stages of stereotactic radiosurgery; and a second craniotomy with aggressive disconnection of the DAVFs. Unfortunately, the fistulas continued to progress, resulting in diffuse venous hypertension, multiple intracerebral hemorrhages in both hemispheres, and, ultimately, death nearly 5 years after the initial trauma. Endovascular, surgical, and radiosurgical treatments are successful in curing most patients with DAVFs. The failure of multimodal therapy and the fulminant progression and disseminated nature of this patient's disease are unique.


1998 ◽  
Vol 4 (1_suppl) ◽  
pp. 113-116 ◽  
Author(s):  
O. Masuo ◽  
T. Terada ◽  
M. Tsuura ◽  
Y. Kinoshita ◽  
H. Yokote ◽  
...  

We treated 7 cases of dural arteriovenous fistulas (dAVF) with isolated sinus by transvenous direct embolization. The fistulas located in the transverse-sigmoid sinus in 5 cases, superior sagittal sinus in 1 case and transverse-sigmoid and superior sagittal sinus in 1 case. The initial symptoms were generalized convulsion in 2 cases, disturbed consciousness in 1 case, tinnitus in 2 cases and transient ischemic attack in 2 cases. We performed sinus packing with coils in all cases following transarterial embolization. All patients improved neurologically after the treatments and AVFs completely disappeared in all cases.


2004 ◽  
Vol 10 (1_suppl) ◽  
pp. 127-134 ◽  
Author(s):  
T. Kawaguchi ◽  
M. Nakatani ◽  
T. Kawano

We evaluated dural arteriovenous fistulas (DAVF) drains into leptomeningeal vein (LMV) without the venous sinus interposition. This type of DAVF contained the extra-sinusal type DAVF and the DAVF with so-called pure leptomeningeal venous drainage (PLMVD). We studied 15 patients with DAVF that flows into LMVD without passing into the sinus. The subjects were 5 patients with DAVF in the anterior cranial fossa, 2 with DAVF in the tentorium cerebelli, and 3 with DAVF in the craniocervical junction as extra-sinusal type DAVF and 3 with DAVF in the transverse sigmoid sinus and 2 with DAVF in the superior sagittal sinus as DAVF with PLMVD. This type appears to take a very aggressive course. The arterial pressure of the shunt is directly applied to LMV, which causes bending and winding of the vein, eventually varices, inducing intracranial haemorrhage or venous ischemia in the LMV reflux area. Emergency treatment should be performed as soon as possible. Although it is recognized that interruption of the draining vein is very effective, treatment methods such as TAE, direct surgery, and g knife treatment, or their combinations should be carefully chosen for each case.


2015 ◽  
Vol 21 (1) ◽  
pp. 94-100 ◽  
Author(s):  
Yongxin Zhang ◽  
Qiang Li ◽  
Qing-hai Huang

Endovascular embolization has evolved to become the primary therapeutic option for dural arteriovenous fistulas (DAVFs). While guaranteeing complete occlusion of the fistula orifice, the goal of DAVF embolization is also to ensure the patency of normal cerebral venous drainage. This paper describes a case of successful embolization of a complex DAVF in the superior sagittal sinus with a multistaged approach using a combination of transvenous and transarterial tactics. The strategies and techniques are discussed.


2006 ◽  
Vol 5 (4) ◽  
pp. 353-358 ◽  
Author(s):  
Timo Krings ◽  
Michael Mull ◽  
Azize Bostroem ◽  
Juergen Otto ◽  
Franz J. Hans ◽  
...  

✓ The classic angiographically demonstrated features of spinal dural arteriovenous fistulas are shunts of radiculomeningeal branches with radicular veins draining exclusively in the direction of perimedullary veins and thereby causing venous congestion. These shunts are located at the point where the radicular vein passes the dura mater. Spinal epidural arteriovenous shunts, however, normally do not drain into the perimedullary veins and are, therefore, asymptomatic, presumably because of a postulated reflux-impeding mechanism between the dural sleeves. The authors report on a patient in whom an epidural arteriovenous shunt showed delayed retrograde drainage into perimedullary veins, leading to the classic clinical (and magnetic resonance imaging–based) findings of venous congestion. Intraoperatively the angiographically established diagnosis was confirmed. Coagulation of both the epidural shunt zone and the radicular vein resulted in complete obliteration of the fistula, as confirmed on repeated angiography. This rare type of fistula should stimulate considerations on the role of valvelike mechanisms normally impeding retrograde flow from the epidural plexus to perimedullary veins and suggest that, in certain pathological circumstances, epidural fistulas can drain retrogradely into perimedullary veins as an infrequent variant of spinal arteriovenous shunts.


2009 ◽  
Vol 110 (5) ◽  
pp. 913-920 ◽  
Author(s):  
James K. Liu ◽  
Aclan Dogan ◽  
Dilantha B. Ellegala ◽  
Jonathan Carlson ◽  
Gary M. Nesbit ◽  
...  

Object Surgical intervention may be required if endovascular embolization is insufficient to completely obliterate intracranial dural arteriovenous fistulas (DAVFs). The authors report their 14-year experience with 23 patients harboring diverse intracranial DAVFs that required surgical intervention. Methods Between 1993 and 2007, 23 patients underwent surgery for intracranial DAVFs. The following types of DAVFs were treated: superior petrosal sinus (in 10 patients); parietooccipital (in 3); confluence of sinuses and ethmoidal (in 2 each); and tentorial, falcine, occipital, transverse-sigmoid, superior sagittal, and cavernous sinuses (in 1 patient each). In all cases, the authors' goal was to obliterate the DAVF venous outflow by direct surgical interruption of the leptomeningeal venous drainage. Transarterial embolization was used primarily as an adjunct to decrease flow to the DAVF prior to definitive treatment. Results Complete angiographic obliteration of the DAVF was achieved in all cases. There were no complications of venous hypertension, venous infarction, or perioperative death. There were no recurrences and no further clinical events (new hemorrhages or focal neurological deficits) after a mean follow-up of 45 months. Conclusions The authors' experience emphasizes the importance of occluding venous outflow to obliterate intracranial DAVFs. Those that drain purely through leptomeningeal veins can be safely obliterated by surgically clipping the arterialized draining vein as it exits the dura. Radical excision of the fistula is not necessary.


2018 ◽  
Vol 10 (6) ◽  
pp. 586-592 ◽  
Author(s):  
Andrea Rosi ◽  
Arturo Consoli ◽  
Stéphanie Condette-Auliac ◽  
Oguzhan Coskun ◽  
Federico Di Maria ◽  
...  

BackgroundSpinal cord arteriovenous shunts (scAVSs) are a group of lesions located in the spinal cord itself or in the surrounding structures. The most common scAVSs are spinal dural arteriovenous fistulas (sDAVFs), which are acquired lesions. The pathogenesis of sDAVFs involves thrombosis and venous hypertension as trigger factors. Intradural scAVSs such as spinal cord arteriovenous nidus type malformations (AVMs) and pial arteriovenous fistulas are less common than sDAVFs and are considered to have a so-called ‘congenital’ origin. The association between different concomitant scAVSs is very rare and the association of sDAVFs with intradural scAVSs has been described in only a few case reports.MethodsWe describe a case series of five patients presenting with a conus medullaris AVS associated with a lower lumbar or sacral DAVF.ResultsThree of our patients were <30 years old at presentation. In four of these five cases the intradural scAVS drained caudally, engorging the epidural plexus in the same location as the sDAVF. In only one case, who presented with thrombosis of the drainage of the main compartment of a conus medullaris pial AVF, was the location of the DAVF opposite to the location of the residual drainage.ConclusionWe discuss the pathophysiological link between scAVS and sDAVF on the basis of the rarity of the DAVF, the uncommon association between scAVS and sDAVF, the presence of sDAVF in young patients, and the venous hypertension created by the venous drainage towards the sacral area responsible for angiogenesis creating the dural shunt.


2020 ◽  
Vol 1 (1) ◽  
pp. 33-35
Author(s):  
Pankaj Raj Nepal ◽  
Karuna Tamrakar Karki ◽  
Dinesh Kumar Thapa

Ethmoidal dural arteriovenous fistulas (dAVF) are a rare type of dAVF present in the anterior cranial fossa. There are usually fed by the ethmoidal artery and drains into superior sagittal sinus. Due to its high flow nature, they are considered a challenging case for surgery and usually present with frontal lobe hematoma or seizure. Here, is a similar case report of a 52-year-old gentleman who presented with sequel of frontal lobe hematoma and was managed surgically with clipping of feeder and excision of fistula.


2004 ◽  
Vol 10 (1_suppl) ◽  
pp. 43-50 ◽  
Author(s):  
M. Nakamura ◽  
Y. Nakamura ◽  
A. Fujita ◽  
E. Kohmura

For the treatment of transvenous embolization (TVE) of dural arteriovenous fistulas (DAVFs) the sites of arteriovenous shunts, fistulous drainage, and the pathological changes inside the affected sinuses were explored in detail by means of preoperative arteriograms, superselective arteriograms, and superselective venograms. Out of 42 adult patients with DAVFs involving a total of 63 sinuses, three distinctive findings were identified as essential for indication of selective TVE for DAVFs. The first is extra-sinus fistulous drainage, which is embolizable fistulous drainage, remote from the major dural sinus, that flows into the sinus lumen. The second is intramural fistulous drainage, which is embolizable fistulous drainage located within the dural leafs of the involved sinus and separate from the major sinus lumen. The third consists of several lumens inside the affected sinuses, which suggests a variety of histological changes in the developmental process of sinus thrombosis and DAVFs. The extra-sinus drainage was occluded in three torcular heroplili fistulas and three transverse sinus fistulas. The intramural fistulous drainage was eliminated in three superior sagittal sinus fistulas. Several lumens inside the affected sinuses were encountered in 17 posterior fossa fistulas (68%) and 10 cavernous sinus fistulas (34%). These distinctive findings were recognized in 52% of the DAVFs. Out of various modalities for treatment of DAVFs, TVE has been the method of choice for the treatment of diffuse DAVFs. The TVE of DAVFs do not correspond to simple sinus occlusion, but imply selective occlusion of fistulous drainages and sinus lumens. The recognition of these three distinctive types of fistulous drainages have clinical impact in that it helps to completely occlude all the fistulous components of fistulas as well as preserve or restore the normal venous outflow through the involved sinus.


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