Ultrasonic Doppler assessment of hemodynamics in gradual carotid ligation.

Moritake, Kouzo; Handa, Hajime; Yonekawa, Yasuhiro; Takebe, Yasushi; Kishimoto, Seiji; Makimoto, Kazuo

doi:10.1161/01.str.12.2.177

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…CW Doppler equipment has also been used intraoperatively in neurovascular surgery [3,7,13] although it is not particularly suited for this. The disadvantage referred to above, of being affected by all moving interfaces within the ultrasonic beam, makes it impossible to distinguish between closely adjacent vessels.…”

Section: Continuous Wave Dopplermentioning

confidence: 99%

Doppler techniques and neurosurgery

Eden¹

1984

Neurosurg. Rev.

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Section: Continuous Wave Dopplermentioning

confidence: 99%

Doppler techniques and neurosurgery

Eden¹

1984

Neurosurg. Rev.

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STA-MCA anastomosis in patients with skull base tumours involving the internal carotid artery?Haemodynamic assessment by ultrasonic Doppler flowmeter

et al. 1984

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The role of superficial temporal artery--middle cerebral artery (STA-MCA) anastomosis was investigated with an ultrasonic Doppler flowmeter in 3 patients with sphenoid ridge meningiomas and one with a parasellar malignant teratoma, all of which involved the intracranial internal carotid artery. The intraoperative Doppler flow study revealed a remarkable increase in flow volume of the STA after trial occlusion of the middle cerebral artery in one case and permanent occlusion in two cases. These results substantiate the effectiveness of STA-MCA anastomosis. We also discuss surgical and other contrivances for obtaining sufficient blood supply from this bypass to prevent cerebral ischaemia in the acute phase after elective or accidental occlusion of a major cerebral artery. This is the first report of STA-MCA anastomosis in cases with brain tumour.

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Increased Risk of Cerebral Thrombo-embolic Complication during Gradual Carotid Artery Occlusion Combined with Extra- and Intracranial Bypass Surgery in the Treatment of an Inaccessible Carotid Aneurysm

Hayakawa

Iwata

Yamada

et al. 1985

Neurol. Med. Chir.(Tokyo)

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We report a 31-year-old woman with an intracavernous carotid aneurysm who experienced a cerebral embolic complication during the gradual occlusion of an internal carotid artery (ICA) following superficial temporal to middle cerebral artery anastomosis. The cerebral angiogram revealed an em bolus lodged in the stem of the middle cerebral artery. Based on our findings we suggest that in the presence of a sufficient collateral blood supply after extra and intracranial bypass surgery, abrupt ICA ligation may reduce the risk for thrombo-embolic complications. If, on the other hand, the col lateral blood flow is insufficient, gradual ICA occlusion should be considered and anticoagulant therapy should be used.

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Ultrasonic Doppler assessment of hemodynamics in gradual carotid ligation.

Cited by 3 publications

References 15 publications

Doppler techniques and neurosurgery

Doppler techniques and neurosurgery

STA-MCA anastomosis in patients with skull base tumours involving the internal carotid artery?Haemodynamic assessment by ultrasonic Doppler flowmeter

Increased Risk of Cerebral Thrombo-embolic Complication during Gradual Carotid Artery Occlusion Combined with Extra- and Intracranial Bypass Surgery in the Treatment of an Inaccessible Carotid Aneurysm

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