Sep 29, · Communicating hydrocephalus occurs when the cerebrospinal fluid is inefficiently absorbed back into the blood stream. This results in significant back-pressure and enlargement of all the four ventricles. Causes of this include: Meningitis; Intracranial hemorrhage (brain bleed) Traumatic brain injury; Cancer. Adult communicating hydrocephalus. Pickard JD. In patients with the triad of gait disorder, dementia, and incontinence and, in addition, a predisposing cause for the ventriculomegaly demonstrated on a CT scan and no mass, a shunt should be carried out. In cases in which there is no known aetiology for the ventricular enlargement, the cerebral sulci are widened, or the Cited by:
Communicating hydrocephalus occurs when the flow of CSF is blocked after it exits the ventricles. This form is called communicating because the CSF can still flow between the ventricles, the passages between which remain open. Reduced flow and absorption of CSF into specialized blood vessels called arachnoid villi can also result in a buildup of CSF in the . Communicating hydrocephalus is commonly used as the opposite of obstructive hydrocephalus which leads to much unnecessary confusion, as most causes of communicating hydrocephalus do have an element of obstruction to normal CSF flow / absorption. For a discussion of this terminology please refer to the more general article on hydrocephalus.
Communicating hydrocephalus can be defined as the type of hydrocephalus that occurs when the flow of cerebrospinal fluid is blocked, after having exited the ventricles.