Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 18158
  Title Posterior ponticles and rotational stenosis of vertebral arteries. a pilot study using doppler ultrasound velocimetry and magnetic resonance angiography
URL http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Citation&list_uids=15965406
Journal J Manipulative Physiol Ther. 2005 Jun;28(5):323-329
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Subject(s)
Peer Review Yes
Publication Type Article
Abstract/Notes OBJECTIVE: To determine whether the presence of posterior ponticles markedly increases by 30% or more, the incidence of major rotational stenosis of vertebral arteries.

METHODS: Doppler ultrasound studies were performed in 3 private chiropractic clinics and in the radiology department of a public hospital, and magnetic resonance angiography (MRA) studies were made in the latter location. Thirty-two chiropractic patients had Doppler velocimetery, and 16 of these patients had MRA scanning. The outcome measures included changes in Doppler velocimetry signals and MRA images indicative of marked rotational stenosis of vertebral arteries.

RESULTS: All vertebral arteries from the 32 patients displayed no signs indicative of marked rotational stenosis.

CONCLUSION: The findings of this study show that the incidence of major rotational stenosis of vertebral arteries is not markedly increased by the presence of posterior ponticles.

Click on the above link for the PubMed record for this article; full text by subscription. The abstract is reproduced here with the permission of the publisher.

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