TABLE 2.

MOMS Primary and Revised Shunting Criteria

Primary Criteria	Revised Criteria
1) Meeting at least two: (a) an increase in the circumference/crossing percentiles (b) a bulging fontanelle or split sutures or sunsetting sign (c) an increasing hydrocephalus on consecutive imaging studies (d) head circumference >95th percentile	1) Bulging fontanelle or split sutures or sunsetting sign AND one of the following: (a) an increase in the circumference/crossing percentiles (b) an increasing hydrocephalus on consecutive imaging studies (c) head circumference >95th percentile
2) Syringomyelia with ventriculomegaly	2) Syringomyelia with ventriculomegaly
3) Ventriculomegaly and symptoms of Chiari II Malformation	3) Ventriculomegaly and symptoms of Chiari II Malformation
4) Persistent CSF leakage from the myelomeningocele wound or bulging at the repair site	4) Persistent CSF leakage from the myelomeningocele wound or bulging at the repair site