Low-pressure CSF shunt malfunction without preceding lumbar puncture treated by epidural blood patch: report of 2 cases

Kim, Adeline; Lim, Doyle; Piatt, Joseph H.

doi:10.1007/s00381-020-04996-7

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Excessive Drainage Of Cerebral Veins Theory1

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2024

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“…However, this also suggests that the injected autologous blood did not seal the spinal CSF leak but rather reduced the excessive venous outflow by increasing the spinal epidural pressure. 32…”

Section: Excessive Drainage Of Cerebral Veins Theorymentioning

confidence: 99%

Low-/Negative-Pressure Hydrocephalus: To Understand the Formation Mechanism from the Perspective of Clinicians

Li,

Lin,

Yang

2024

J Neurol Surg A Cent Eur Neurosurg

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Low-/negative-pressure hydrocephalus (LPH/NePH) is uncommon in clinical practice, and doctors are unfamiliar with it. LPH/NePH is frequently caused by other central nervous system diseases, and patients are frequently misdiagnosed with other types of hydrocephalus, resulting in delayed treatment. LPH/NePH therapy evolved to therapeutic measures based on “external ventricular drainage below atmospheric pressure” as the number of patients with LPH/NePH described in the literature has increased. However, the mechanism of LPH/NePH formation is unknown. Thus, understanding the process of LPH/NePH development is the most important step in improving diagnosis and treatment capability. Based on case reports of LPH/NePH, we reviewed theories of transcortical pressure difference, excessive cerebral venous drainage, brain viscoelastic changes, and porous elastic sponges.

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Section: Excessive Drainage Of Cerebral Veins Theorymentioning

confidence: 99%