ENGLISH ABSTRACT
JOURNAL ARTICLE
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[Observation of lumbar zygapophyseal joints adjacent arterials by anatomy and DSA].

OBJECTIVE: To investigate the arterials adjacent to the lumbar zygapophyseal joints by anatomy and DSA and aimed to provide a safe operation way for the lumbar back and posterolateral surgery by reducing operative hemorrhage in clinical treatment.

METHODS: We selected 20 adult corpse lumbar departments and discovered the lumbar lateral artery and lumbar transverse process artery. Using anatomical microscope to observe the lumber transverse process artery and dosal artery of 1-4 lumber arteries from the lumbar spine 1/2-4/5. We also selected 20 patients without lumbar disease and used DSA to research their lumbar arteries and the starting, mutation or branch line of other artery sources in vivo.

RESULTS: The anatomy and DSA results showed that the original location of dorsal branch usually at the anterosuperior of L1/2-4/5 foramen intervertebrale outlet area, then distributed to the outside and backside of ZJ. Anterior branch of transverse process sent out and branch into ascending and descending muscle branch. The ascending branch distributed to the below root of upper ZJ and sent out zygapophyseal branches which were distributing to the back of ZJ. The descending branch distributed to the upper root of below ZJ and sent out several muscle branches which were going into muscles in the front. And there were no statistically significant difference between left and right in the body.

CONCLUSIONS: The routes of arteries adjacent to ZJ and the relationship between them showed obvious regularity. Mastering its anatomical characteristics could effectively reduce the posterior surgical bleeding, make the operation easier, reduce the important tissue damage and then avoided the postoperative hematoma complications.

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