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Down Syndrome and Spinal Concerns
The Down Syndrome Medical Interest Group (DSMIG) will soon publish an updated revision for Cervical Spine Instability (CSI) Guideline previewed at the website in June of 2010. Families will want to provide medical professionals, schools, and sports organizations with a copy of the preliminary note outlining the changes, as well as the evidence based guidelines referred to in the note.
Children with Down syndrome have been evaluated for the cervical spine disorder atlantoaxial subluxation for about a quarter of a century. The 1996 evidence based guidelines for doctors are now expanded to refer to cranial-vertibral instability and spinal instabilities including occipito-atlanto deterioration.
Originally, it was recommended that every child with Down syndrome have radiological screening (X-Rays) due to the consequences of the very serious although uncommon condition of atlanto-axial instability that could be caused by participation in certain activities and sports like gymnastics and trampolining. In the mid-90's the screening recommendation was dropped for those who do not show symptoms because the X-Ray has no 'predictive validity' although anesthesiologists and recovery room staff should be alerted to the possibility of a spinal instability in any person with Down syndrome who undergoes surgery or is injured in a traffic accident.
The 2010 update adds urgent recommendation for immediate and thorough evaluation of those who do have symptoms. There are additional concerns that premature degenerative changes including spinal cord compression increase risks in later years. Individuals of any age who have physical, neurological or radiological evidence of spinal instabilities should be immediately referred to a specialist center.
Warning symptoms remain the same and are listed in the DSMIG preliminary note on the CSI Guideline revision: neck pain; abnormal head posture; torticollis; reduced neck movements; deterioration of gait or frequent falls; increasing fatigability on walking; or deterioration of manipulative skills. The 1996 update describes pain behind the ear, and deterioration of bowel or bladder control as symptoms.
Torticollis refers to a twisted and tilted neck with the head tipped to one side and the chin turned to the other. I was alarmed when I first read of this condition as a symptom because my son had a head tilt in snapshots throughout his childhood. An x-ray showed no atlanto-axial instability.
The DSMIG note also emphasizes previous findings that participation in sports does not increase the risk of cervical spine injury in children, teens or adults with Down syndrome who do not have symptoms any more than for the general population. Of course, following established guidelines for safety in specialized sports are important for every participant. Being physically active is slightly important for our sons and daughters with Down syndrome than for their mainstream peers, and participation in sports has lifelong social and recreational benefits.
An additional caution included in the preliminary note on CSI guideline revisions is the experience surgeons have with patients who have Down syndrome and cervical spine disorders, even though they may have required expertise with current surgical techniques; and a center with knowledge of diagnosis and treatment of CSO and the acute and chronic neurological problems that may be caused by cervical spine disorders.
Down Syndrome Medical Interest Group (DSMIG) links:
DSMIG preliminary note on the CSI Guideline revision
DSMIG 1996 evidence based guidelines on cervical spine disorders
British Gymnastics Atlanto-Axial Screening Information Gymnastics and Trampolining
A strong warning from the mom of a child with a late diagnosis of Atlantoaxial Instability (AAI) and Atlanto-Occipital Instability (AOI):
Down Syndrome and AAI/AOI and the AAP
"You need to demand that your child have this x-ray done around age 3... you need to emphasize that they write on the order to do "flexion and extension views" because many x-ray labs do these x-rays incorrectly. Before your child gets on a trampoline, before they get on a horse, before they climb into a bounce house, before they join that gymnastics or tumbling team, before they have ANY surgery requiring intubation, please get that x-ray done."
Article on AAI from Voice, the journal of Down Syndrome Australia
007_SoftlyandHodson AAI lay article.pdf
Browse at your public library, local bookstore or online retailer for books like: Down Syndrome: Visions for the 21st Century and A Parent's Guide to Down Syndrome : Toward a Brighter Future, Revised Edition.
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