Anchoring Method for Hemifacial Spasm Associated with Vertebral Artery: Technical Note

Anchoring Method for Hemifacial Spasm Associated with Vertebral Artery: Technical Note AbstractOBJECTIVE:We describe an easy and useful method for treating hemifacial spasm related to the vertebral artery.METHODS:The technique entails the manufacture of a dural belt harvested from the cerebellar convexity dura and a dural bridge made at the petrous dura combined with the use of an aneurysm clip. The dural belt holds the vertebral artery and is anchored to the dural bridge by fixation with an aneurysm clip after the vertebral artery is transposed to an appropriate position.RESULTS:The technique proved to be safe and effective in a series of six patients with hemifacial spasm who were followed up for a period of 2 months to more than 10 years after surgery. All patients were affected on the left side. Multiple offending arteries were present in three cases. Hemifacial spasm completely disappeared in all patients.CONCLUSION:This method represents a feasible option for the treatment of hemifacial spasm caused by a tortuous, elongated, or enlarged vertebral artery. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Neurosurgery Oxford University Press

Anchoring Method for Hemifacial Spasm Associated with Vertebral Artery: Technical Note

Anchoring Method for Hemifacial Spasm Associated with Vertebral Artery: Technical Note

h o r in ^ o f V e r t e b r a l A r t e r y f o r H e m i f a c i a l S p a s m 1487 Anchoring Method for Hemifacial Spasm cerebellar convexity dura has been opened, a straight dural sling (dural Associated with Vertebral Artery: belt), approxim ately 4 to 5 cm in length and 2 to 4 mm in width, is harvested Technical Note {Fig. la ). Its width depends on the size or hardness of the vertebral artery in question. The cerebellopontine cistern is explored to ascertain involvement of the K a z u h i k o K y o s h i m a , M . D . , A t s u s h i W a t a n a b e , M . D . , vertebral artery, and its mobility and a Y a s u y u k i T o b a , M . D . , J u n p e i N i t t a , M . D . , suitable direction for repositioning it are determined. The REZ is exposed by m o ­ S h i n s u k e M u r a o k a , M . D . , S h i g e a k i K o b a y a s h i , M . D . bilizing the vertebral artery to check the Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan perforators. The dura on the petrous bone is incised at an appropriate loca­ tion with two horizontally parallel lines OBJECTIVE: W e describe an easy and useful method for treating hemifacial approximately 4 to 8 mm in length and spasm related to the vertebral artery. 3 to 4 mm in width (dural bridge) {Fig. METHODS: The technique entails the manufacture of a dural belt harvested lb ). Its length depends on the width and from the cerebellar convexity dura and a dural bridge made at the petrous thickness of the dural belt. An ophthal­ mic V-lance knife or 18-gauge needle dura combined w ith the use of an aneurysm clip. The dural belt holds the with its tip bent about 90 degrees by a vertebral artery and is anchored to the dural bridge by fixation with an hemostat is used for the dural incision aneurysm clip after the vertebral artery is transposed to an appropriate {Fig. lb ). Either 5-0 or 6-0 nylon or position. polypropylene suture is fixed to each RESULTS: The technique proved to be...
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Publisher
Oxford University Press
Copyright
© Published by Oxford University Press.
ISSN
0148-396X
eISSN
1524-4040
D.O.I.
10.1097/00006123-199912000-00048
Publisher site
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Abstract

AbstractOBJECTIVE:We describe an easy and useful method for treating hemifacial spasm related to the vertebral artery.METHODS:The technique entails the manufacture of a dural belt harvested from the cerebellar convexity dura and a dural bridge made at the petrous dura combined with the use of an aneurysm clip. The dural belt holds the vertebral artery and is anchored to the dural bridge by fixation with an aneurysm clip after the vertebral artery is transposed to an appropriate position.RESULTS:The technique proved to be safe and effective in a series of six patients with hemifacial spasm who were followed up for a period of 2 months to more than 10 years after surgery. All patients were affected on the left side. Multiple offending arteries were present in three cases. Hemifacial spasm completely disappeared in all patients.CONCLUSION:This method represents a feasible option for the treatment of hemifacial spasm caused by a tortuous, elongated, or enlarged vertebral artery.

Journal

NeurosurgeryOxford University Press

Published: Dec 1, 1999

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