Posthemorrhagic hydrocephalus of prematurity (PHHP) remains a vexing problem for patients, their families, and the healthcare system. The complexity of the pathogenesis of PHHP also presents a unique challenge within the fields of neonatology, neurology and neurosurgery. Here we focus on pathogenesis of PHHP and its impact on the development of CSF dynamics including choroid plexus, ependymal motile cilia and glymphatic system. PHHP is contrasted with infantile hydrocephalus from other etiologies, and with other types of posthemorrhagic hydrocephalus that occur later in life. The important concept that distinguishing ventricular volume from brain health and function is highlighted. The influence of the pathogenesis of PHHP on current interventions is reviewed, with particular emphasis on how the unique pathogenesis of PHHP contributes to the high rate of failure of current existing interventions. Finally, we discuss emerging interventions. A thorough understanding of the pathogenesis of PHHP is essential to developing effective non-surgical therapeutics to prevent the transformation from severe IVH to PHHP.
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| http://dx.doi.org/10.1016/j.semperi.2022.151596 | DOI Listing |
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