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The complexity of trauma to the cranio-cervical junction: correlation of clinical presentation with Doppler flow velocities in the V3-segment of the vertebral arteries.

Abstract：

BACKGROUND:Trauma to the craniocervical junction (CCJ) encompasses a wide and complex spectrum of injury with an even broader range of clinical presentation, and since trauma to this area borderlines neurosurgical main areas of interest, these relatively rare injuries can be overlooked. In fact, there has been an abundance of documentation in the literature since Sir Charles Bell first reported on a case of occipital condyle fracture in 1817 in which a patient suddenly dropped dead as he turned his head to thank physicians and nurses while leaving the hospital. The death was attributed to compression of the medulla oblongata by a fractured occipital condyle. METHOD:At our department, we have been applying specialized diagnostic procedures in our clinical work-up in the acute and chronic situation of isolated injury to the CCJ as well as polytrauma with CCJ involvement in a total of 33 patients throughout a 3-year period (1997 to 2000). In this article, we present some of our experiences with these diagnostic procedures, introducing the application of V3-segment Doppler of the vertebral artery (VA), which we consider to be an effective supplementary method in a precise work-up in CCJ injury. The V3-segment of the vertebral artery, especially where it courses through its' groove behind the superior facet of the atlas is particularly vulnerable to injury. The authors measured flow velocity of the V3-segment from a point just below and roughly 2 to 3 centimeters dorsal to the mastoid process. FINDINGS:All patients were investigated for the occurrence of changes in the blood flow in the V3-segment of the VA after suffering a CCJ injury. There was an increase or decrease in the flow velocity in trauma patients with whiplash injuries as well as in patients with occipital condyle fractures and associated ligament injury. In severe injuries, some with fatal outcome, a dissection or thrombosis of the VA was found with a loss of the V3-doppler flow signal, or rather flow void. CONCLUSION:CCJ injuries in the polytrauma patient as well as in patients presenting with delayed onset of symptoms often remain unrecognised, despite the advances in medicine. CCJ injuries are potentially lethal and can be treated if detected early. The V3 method enables rapid, effective, feasible and inexpensive diagnosis in the initial work-up of CCJ-injury.

journal_name

Acta Neurochir (Wien)

journal_title

Acta neurochirurgica

authors

Reddy M,Reddy B,Schöggl A,Saringer W,Matula Ch

doi

10.1007/s007010200078

subject

Has Abstract

pub_date

2002-06-01 00:00:00

pages

575-80; discussion 580

issue

eissn

0001-6268

issn

0942-0940

journal_volume

144

pub_type

杂志文章

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The complexity of trauma to the cranio-cervical junction: correlation of clinical presentation with Doppler flow velocities in the V3-segment of the vertebral arteries.