Catalog

Impaired venous drainage

No MMS code

Link to WHO Definition

Impaired venous drainage – http://id.who.int/icd/entity/152353343

This a type of communicating hydrocephalus where the ventriculomegaly seen in some achondroplastic patients is likely to be caused by increased intracranial venous sinus pressure secondary to jugular vein stenosis at the level of the jugular foramen and/or thoracic inlet.