Vertebral Artery Test: Difference between revisions
No edit summary |
No edit summary |
||
| Line 33: | Line 33: | ||
== Evidence == | == Evidence == | ||
The test is commonly used for over the past 30 years2. The reduction of the lumen has been reported by many authors, but a lot of these studies weren’t sufficient enough because of lack of good samples of normal people and VBI patients over a wide range of age. Therefore, those results may be controversial<ref name="1" /><ref name="6">Symons BP, Leonard T, Herzog W; Internal forces sustainedby the vertebral artery during spinal manipulative therapy; Manual Therapy; 2002</ref>.<br>There are a lot of inconsistencies in the studies also. The review of Mitchell et al. says that in 7 of the 20 studies, there was not found any loss of blood flow in the VA<ref name="1" />. Because of the inconsistency in the literature, there will be false positive/negative blood flow results in cervical spine rotation. Therefore, the validity of this test is questionable<ref name="1" /><ref name="7">Côté P et al.; The validity of the extension-rotation test as a clinical screening procedure before neck manipulation: a secondary analysis; J Manipulative Physiol Ther;. 1996 Mar-Apr;19(3):159-64</ref>.<br> | |||
== Resources == | == Resources == | ||
Revision as of 22:46, 10 November 2011
Be the first to edit this page and have your name permanently included as the original editor, see the editing pages tutorial for help.
|
Original Editor - Your name will be added here if you created the original content for this page. Lead Editors - Your name will be added here if you are a lead editor on this page. Read more. |
Search Strategy[edit | edit source]
Search engines:
• PubMed
• Web of Knowledge
• http://scholar.google.be/
Key Words
• Vertebral Artery Test
• Extension Rotation Test
• Vertebral artery flow
• Vertrebrobasilar ischiaemia
Purpose
[edit | edit source]
The vertebral artery test is used in physiotherapy to test the vertebral artery blood flow, searching for symptoms of vertebral artery diseaseCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title. Vertebral artery disease is also known as vertebrobasilar ischaemia (VBI)Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title.
Technique
[edit | edit source]
To test the blood flow in the vertebral artery (VA), one should put the patient on his back and perform an passive extension, followed by a passive rotation of the neckCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title. The rotation should be performed in both directionsCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title.
The manoeuvre causes a reduction of the lumen of the intracranial VA of the contralateral sideCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title. results in dizziness, nausea, syncope, dysarthria, dysphagia, and disturbances of the hearing or vision, paresis or paralysis of patients with VBICite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title.
To have a demonstration of the technique, click here
Evidence[edit | edit source]
The test is commonly used for over the past 30 years2. The reduction of the lumen has been reported by many authors, but a lot of these studies weren’t sufficient enough because of lack of good samples of normal people and VBI patients over a wide range of age. Therefore, those results may be controversialCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title.
There are a lot of inconsistencies in the studies also. The review of Mitchell et al. says that in 7 of the 20 studies, there was not found any loss of blood flow in the VACite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title. Because of the inconsistency in the literature, there will be false positive/negative blood flow results in cervical spine rotation. Therefore, the validity of this test is questionableCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive titleCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title.
Resources[edit | edit source]
add any relevant resources here
