Importance of Angiography in Identifying False Aneurysm of the Middle Meningeal Artery as a Cause of Extradural Hematoma

Higazi, Ibrahim; El-Banhawy, Ahmed; Elnady, F.

doi:10.3171/jns.1969.30.2.0172

Cited by 33 publications

(12 citation statements)

References 5 publications

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“…While most arteriovenous shunts were demonstrated within the first 24 hours after trauma, some were observed after days and even weeks. The longest time interval between trauma and the angiographic demonstration of an arteriovenous shunt in this study was 19 days, which appears to be longer than previously reported in the literature 33,34,50 It is interesting to note that of the various shunt locations the edge location occurs most frequently in the longstanding bleedings. Theoretically, a shorter distance between the bleeding source and the recipient vein as seen in edge shunts would decrease the resistance to flow in the shunt, and contribute to prolong the bleeding in the epidural space.…”

Section: Discussioncontrasting

confidence: 48%

Epidural haematoma: Pathophysiological significance of extravasation and arteriovenous shunting

1982

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35 patients with epidural bleeding operated on at Rikshospitalet, Oslo, during the period 1965-1980 had preoperative angiography with visualization of the external carotid artery. Twenty-one patients had extravasation of contrast medium from meningeal arteries. Seventeen of the 21 had also shunting of contrast medium from meningeal arteries to meningeal or diploic veins, while 20 of the 21 also had bled from a ruptured meningeal artery at operation. It was further found that of 20 patients who deteriorated after trauma 18 had an epidural arteriovenous shunt or extravasation. Conversely, of 15 patients who improved after trauma 12 had no evidence of a shunt. The strong correlation between the clinical course and the occurrence of extravasation supports previous experimental and clinical data, indicating the epidural arteriovenous shunt to be a major factor in the pathophysiology and the outcome of epidural bleeding.

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Section: Discussioncontrasting

confidence: 48%

Epidural haematoma: Pathophysiological significance of extravasation and arteriovenous shunting

1982

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“…To turn to our case, the false aneurysm developed without any traumatic episode, differing in this respect, from other cases reported (Higazi et al 1969). We think that the dural AVM produced the epidural haematoma spontaneously, and that this haematoma bec~me a false aneurysm, communicating spontaneously with the dural AVM.…”

Section: Discussionmentioning

confidence: 44%

Dural arteriovenous malformation with false aneurysm and exophthalmos

1978

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A case of dural arteriovenous malformation with giant non-traumatic false aneurysm in the left middle fossa is reported. A 10-year-old female patient was admitted to our hospital with pulsating exophthalmos of the left eye, which was successfully treated by ligation of the main feeder and finally by the radical excision of the dural AVM and false aneurysm. False aneurysm of non-traumatic origin is so rare that only two cases were detected in the literature (Reina et al., Sakaki et al.), and no previous case of false aneurysm complicated by dural AVM seems to have been reported.

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“…On angiography, meningeal pseudoaneurysms have specific characteristics [12, 13]; they are peripherally located at a distance from a branching point and do not show evidence of a neck. The sac is sometimes irregular.…”

Section: Discussionmentioning

confidence: 99%

Traumatic Pseudoaneurysm of the Middle Meningeal Artery Causing an Intracerebral Hemorrhage

Paiva

Andrade²,

Amorim³

et al. 2010

Case Reports in Medicine

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Traumatic aneurysms comprise less than 1% of all intracranial aneurysms. Most of these aneurysms are actually false aneurysms, or pseudoaneurysms, which are caused by the rupture of entire vessel wall layers, with the wall of the aneurysm being formed by the surrounding cerebral structures. Traumatic pseudoaneurysms of the middle meningeal artery are also rare. Only four cases have been reported in the literature with intracerebral hematoma. In this paper, the authors report a case of a patient with a ruptured traumatic pseudoaneurysm of the MMA who presented with an intracerebral hematoma in the left temporal region immediately after trauma; the patient underwent endovascular treatment.

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Importance of Angiography in Identifying False Aneurysm of the Middle Meningeal Artery as a Cause of Extradural Hematoma

Cited by 33 publications

References 5 publications

Epidural haematoma: Pathophysiological significance of extravasation and arteriovenous shunting

Epidural haematoma: Pathophysiological significance of extravasation and arteriovenous shunting

Dural arteriovenous malformation with false aneurysm and exophthalmos

Traumatic Pseudoaneurysm of the Middle Meningeal Artery Causing an Intracerebral Hemorrhage

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