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At least 343 records · Page 19Linked to original sources

Influence of recanalization on outcome in dural sinus thrombosis: a prospective study.

BACKGROUND AND PURPOSE: Recanalization in dural sinus thrombosis (DST) has been observed previously; however, systematic prospective data are lacking. The influence of recanalization on DST outcome has not yet been thoroughly evaluated. METHODS: Thirty-seven consecutive patients with DST were prospectively examined. Neurological deficits were graded with the National Institutes of Health Stroke Scale (NIHSS) on hospital admission and discharge. Functional outcome was assessed with the modified Rankin Scale (mRS) on hospital discharge and after 12 months. All patients were treated with intravenous heparin in the acute stage of illness, followed by oral anticoagulation for 12 months. Imaging follow-up with MR angiography and, in a few cases, with CT or conventional angiography was performed on hospital discharge and after 6 and 12 months. RESULTS: Twelve-month functional outcome was excellent in 89% of patients with an mRS of 0 or 1. A recanalization rate of 60% was already observed on hospital discharge (22+/-6 days); thereafter, recanalization rates increased insignificantly. Early recanalization was not related to NIHSS score on hospital discharge or an mRS of 0 on discharge or after 12 months. CONCLUSIONS: We found a high frequency of early recanalization but without influence on clinical outcome parameters. Frequent imaging follow-ups in DST are not useful because they provide no information on patient outcome.

Adult↗

[Multiple dural arteriovenous fistulas following extensive sinus thrombosis: a case report].

A 43-year-old man suffered generalized convulsions following severe headache. Initial angiography showed a dural arteriovenous fistula (DAVF) involving the right transverse-sigmoid sinus, and no contrast filling of the superior sagittal sinus, bilateral transverse sinuses, the left sigmoid sinus and the straight sinus. The diagnosis was extensive sinus thrombosis associated with DAVF. Transarterial embolization was performed for the DAVF. The follow-up angiography at 7 days postembolization showed no contrast filling of the DAVF. But the follow-up angiography at 6 months disclosed the appearance of multiple DAVF's involving the superior sagittal sinus, the left transverse sinus and the straight sinus. Each DAVF was supplied by different dural arteries. Coagulation tests revealed deficiency of plasma protein S. The pathogenesis of DAVF is controversial. But our case suggests that multiple isolated lesions indicated the presence of a congenital dural vascular abnormality, which was transformed to multiple DAVF's by sinus thrombosis.

Adult↗

[Sigmoid sinus thrombosis as a complication of otitis media].

Complications of otitis media are relatively infrequent, especially since the introduction of effective antimicrobial agents and specific surgical techniques. We present a case of cerebral pseudotumor due to left sigmoid sinus thrombosis as an intracranial complication of otitis media. We review the various clinical manifestations of sigmoid sinus thrombosis and its therapeutic options.

Acetazolamide↗

Superior sagittal sinus thrombosis: a rare complication of nephrotic syndrome.

A two and half year-old-male child, known case of steroid responsive nephrotic syndrome presented with fever and vomiting of acute onset. He was diagnosed to have superior sagittal sinus thrombosis on a contrast computerised tomographic scan of brain. Recovery was complete without anticoagulant therapy. Superior sagittal sinus thrombosis is an extremely rare complication of nephrotic syndrome.

Child, Preschool↗

Direct endovascular thrombolytic therapy for dural sinus thrombosis.

Three patients, ages 51 to 71 years, sought treatment for symptomatic dural sinus thrombosis with occlusion and were treated by direct sinus perfusion with urokinase. All three patients had a dural arteriovenous fistula; one involved the inferior petrosal sinus and two involved the transverse sinus. Clinical findings included papilledema, diminished visual acuity, decreased mentation, and cranial nerve palsies. Diagnosis was made by cerebral arteriography and confirmed by sinus venography. All three patients were treated by a transjugular direct infusion of urokinase. In one patient, a transfemoral venous approach used initially was discontinued because of an infection. The period of continuous infusion for thrombolysis ranged between 4 and 10 days. In two patients, the clinical signs and symptoms improved with angiographic evidence of clot lysis and dural sinus recanalization. Angiography indicated that one patient had a partial resolution of a clot in the torcular herophili and transverse sinus but showed no clinical improvement. These preliminary results suggest that transjugular local infusion of thrombolytic agents can be an effective treatment for symptomatic, thrombosed dural sinuses. This selective lysis avoids thrombolytic effects that could aggravate or produce systemic hemorrhagic complications.

Aged↗

Corpus callosum hematoma secondary to isolated inferior sagittal sinus thrombosis.

A 45-year-old female was admitted with headache and vomiting. Cranial computed tomography (CT) demonstrated a callosal hematoma. Magnetic resonance imaging (MRI) showed no venous flow and thrombus replacing the inferior sagittal sinus (ISS) lumen. Under appropriate medical treatment and close follow-up she recovered quickly and, after 2 years, was doing well with corpus callosum infarcts. Isolated inferior sagittal sinus thrombosis is an extremely rare condition with only one previously reported case in the literature. Although it is very rare, isolated inferior sagittal sinus thrombosis should be considered in the differential diagnosis of non-traumatic corpus callosum hematoma.

Corpus Callosum↗

[Case of suicide by hanging complicated by cerebral sinus thrombosis].

A 43-year-old male with respiratory arrest due to neck hanging was resuscitated at the scene. The head CT on arrival showed diffuse brain swelling predominantly in the right cerebral hemisphere. The swelling improved but right transverse sinus thrombosis was recognized on the 4th hospital day. His conscious state gradually recovered and recanalization of the sinus was confirmed on a subsequent MR venography. He was discharged without neurological deficit. A sinus thrombosis should be considered as a differential diagnosis of brain swelling after hanging.

Adult↗

Radionuclide sinography: diagnosis of lateral sinus thrombosis by dynamic and static brain imaging.

Four patients with lateral sinus thrombosis were studied by radionuclide (RN) dynamic studies and RN static brain scans. Findings included: (a) abrupt termination of RN activity in the midportion of a lateral sinus ("stump sign"); (b) nonvisualization on dynamic, increased visualization on static images ipsilateral to a prominent sinus groove on a plain skull radiograph; and (c) increased activity on static images with nonfilling on angiography. RN demonstration of the "stump sign" is pathognomonic of lateral sinus occlusion; the latter two patterns require radiographic demonstration of an ipsilateral sinus groove or angiography for significance.

Adult↗

Sigmoid and transverse sinus thrombosis caused by mastoid implant -- case report.

INTRODUCTION: Extraoral craniofacial implants are often used for retention of auricular prostheses. In this case report, the rare complication of sigmoid and transverse sinus thrombosis after implant placement in the mastoid is described. CASE REPORT: A 36-year-old man with congenital hypoplasia of the right ear was treated with an implant-based auricular prosthesis. One of the three implants in the mastoid area had to be removed because of an infection, whereas the other two implants were removed at the patient's request. Twenty-four days after implant removal, he was seen with sigmoid and transverse sinus thrombosis and successfully treated with fibrinolytic and consecutive anticoagulation therapy. CONCLUSIONS: Implants in the mastoid area are a very important aid for retention of auricular prostheses, but may have life-threatening intracranial consequences.

Adult↗

Superior sagittal sinus thrombosis in a patient with systemic lupus erythematosus.

Cerebral venous thrombosis is a rare cause of focal neurological damage in patients with SLE. We describe a patient with SLE who presented with a focal neurological deficit and subsequently developed increased intracranial pressure. A superior sagittal sinus thrombosis was diagnosed by MRI. The association between SLE and superior sagittal sinus thrombosis is discussed. Early diagnosis is essential because treatment leads to a positive clinical outcome.

Adult↗

[Tactile extinction following the cerebral sinus thrombosis. A study using event-related potentials].

We reported a 46-year-old woman in whom cerebral sinus thrombosis manifested itself in headache and weakness while she was on an oral estrogen preparation. The neurological examinations revealed monoparesis of the right upper extremity, hyperactive right deep tendon reflex and disturbance of the joint sense, stereognostic sense, two-point discrimination and skin writing sense in the right upper extremity, in addition to tactile extinction. Brain CT showed empty triangle sign. MRI revealed infarction near the left postcentral gyrus and thrombosis of right sigmoid sinus. In the MRA study, there was low signal intensity in the posterior portion of the superior sagittal sinus and right transverse sinus. Short latency SEP in upper extremity showed that the central conduction time was normal, while the amplitude of wave components after N20 was reduced on the right side. Both palms were given bilateral or unilateral pressure stimuli. When event-related potentials (ERP) were evoked, using bilateral stimuli as a rare target, and left unilateral stimuli as a non-target, the P 300 latency was prolonged to 450 msec but was restored to normal with the improvement of tactile extinction. These results seem to suggest that the tactile extinction is ascribable to a disturbance of recognition at the higher brain function level and that ERP can be a useful objective yardstick in the evaluation of extinction phenomenon.

Event-Related Potentials, P300↗

[Intracrânial venous sinus thrombosis (22 cases) (author's transl)].

The authors report 22 cases of intracranial venous sinus thrombosis and study what is new about that old pathology. Sagittal superior sinus is still the most touched one, followed by the lateral sinuses. Half of the cases are traumatic: their clinical picture consists either of benign intracranial hypertension, either of intracranial hypertension and neurological signs. Puerperal thrombosis of the sinuses have quite disappeared and have been replaced by thrombosis in women taking oestro-progestional agents, whose clinical picture is absolutely the same. Infectious thrombophlebitis are quite less frequent than intracranial abcesses, whose diagnosis must be made first. About diagnosis, the certitude is still given by bilateral carotid arteriography which demonstrates the thrombosed sinus, whereas cerebral scintigraphy shows whether their is an adjacent infarction of venous origin or not. Treatment is a medical one. It consists rather of methods to reduce cerebral volum, aiming at maximal use of collateral varices. Heparin should be used only if there is no cerebral infarction of venous origin. Total mortality is 27% and among survivals there are few sequels. Prognosis depends on the thrombosed sinus, on the rapidity for clinical signs to appear and especially on the anastomotic venous collateral ability demonstrated by carotid angiography.

Bacterial Infections↗

[An autopsy case of cerebral sinus thrombosis which showed papilledema and was accompanied by idiopathic thrombocytopenic purpura].

In a 53-year-old woman with papilledema and idiopathic thrombocytopenic purpura (ITP) brain CT examinations failed to detect the cause of papilledema, pseudotumor cerebri was suspected and lumbo-peritoneal shunt operation was performed to decrease the intracranial pressure. Unfortunately the patient died of intracerebral hemorrhage. The autopsy revealed superior sagittal sinus thrombosis to be the cause of papilledema, which indicate that sinus thrombosis can develop with such a hemorrhagic disease as ITP.

Female↗

Combined diagnostic and therapeutic imaging in the diagnosis of venous sinus thrombosis in postpartum patients.

The case of a woman on day four post partum with sensorimotor deficit of the right side and CT evidence of a left temporofrontal hemorrhagic lesion, is presented. Attending physicians requested cerebral angiography. To better evaluate the clinical justification of requested imaging procedure the patient medical history and performed CT examination were carefully revised. According to this analysis and based on a clinicoradiological methodology, the request of a cerebral angiography was considered appropriate. The examination showed several radiological signs but a definitive diagnosis could not be established. Second choice imaging procedures were analyzed and MRI completed with MR-angiography was performed. It allowed to document transverse and sigmoid sinus thrombosis. Therefore, in the diagnosis of venous sinus thrombosis, MRI combined with MR-angiography was shown to be a method of first choice while angiography plays a major role in therapy for intravascular thrombolysis.

Adult↗

Extensive dural sinus thrombosis treated by surgical removal and local streptokinase infusion.

This article describes the clinical course, including measurements of intracranial pressure (ICP), radiological findings, and treatment, of a gravely ill patient with extensive thrombosis involving the superior sagittal and both transverse sinuses, and the galenic venous system. When "conventional" therapy including anticoagulants and neuro-intensive care failed to reverse the progressive neurological deterioration or to control the ICP, the condition was approached surgically and thrombotic material was removed from the dural sinuses without much difficulty. The effect on the ICP was dramatic, although short-lived. A second operation, combined with local infusion of streptokinase in the sagittal sinus, had a permanent effect as judged from the ICP measurements, radiological findings, and clinical improvement. The combination of direct operative removal of thrombotic material and local infusion of a thrombolytic agent (streptokinase) proved to be an effective treatment of severe dural sinus thrombosis in this patient.

Adult↗

[A case of superior sagittal sinus thrombosis following long-term medication with carbamazepine].

A 55-year-old man, who had been medicated with carbamazepine, phenobarbital, and sodium valproate for 12 years' duration, presented with severe headache, nausea, and transient diplopia. The neurological examination revealed mild disturbance of consciousness and postural tremor. He also complained of severe continuous headache but no throbbing pain. Enhanced head CT showed empty delta sign and irregular pooling of contrast agent around the superior sagittal sinus. Head MRI did not show the flow void in the superior sagittal sinus. Cerebral angiography demonstrated incomplete occlusion of the superior sagittal sinus and well-developed colateral channels. He was diagnosed having superior sagittal sinus thrombosis, and was placed on anticoagulant and antiplatelet drugs. He did not have any other risk factors such as inflammatory disease, infection, malignancy, and oral contraceptives. However, he had been medicated with some anticonvulsants including carbamazepine, which is known to induce venous thrombosis in the leg. Therefore, the association between superior sagittal sinus thrombosis and long term medication with carbamazepine was suspected. This is the first case report of anticonvulsant-associated cerebral venous thrombosis. It suggests that long-term medication with carbamazepine should be considered to be one of the risk factors for cerebral venous thrombosis.

Anticonvulsants↗