The ascending cervical artery supplies the anterior cervical muscle group including the scalenes and longus colli, with spinal branches contributing to spinal cord blood supply through the intervertebral foramina. Its identification prevents haemorrhage during anterior cervical dissection approaches. It contributes to the collateral spinal artery network alongside the vertebral and deep cervical arteries.
| Origin | Inferior thyroid artery (from the thyrocervical trunk) |
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The ascending cervical artery is encountered during anterior cervical spine dissection at the C3-C6 levels when the prevertebral fascia is opened medial to the scalene muscles. Bipolar cautery of its branches before retraction prevents troublesome bleeding during anterior cervical discectomy and fusion.
Ascending cervical artery branch bleeding during ACDF controlled with bipolar cautery before prevertebral fascia retraction.
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