Related Experiment Video
Updated: May 1, 2026
06:59
Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
Published on: February 29, 2020
7.5K
Cerebrospinal fluid gusher in cochlear implantation.
Cochlear Implants International
|March 26, 2014
Summary
Cerebrospinal fluid (CSF) gusher occurred in 2.87% of cochlear implant surgeries, often in children with inner ear malformations. Tight packing of the electrode site effectively managed CSF gusher in all cases.
Area of Science:
- Neurosurgery
- Otolaryngology
- Audiology
Background:
- Cerebrospinal fluid (CSF) gusher is a potential complication during cochlear implantation.
- Understanding its incidence and risk factors is crucial for surgical management.
Purpose of the Study:
- To report the incidence of CSF gusher in cochlear implantation.
- To describe the characteristics of patients experiencing CSF gusher.
- To evaluate a specific management technique for CSF gusher.
Main Methods:
- Retrospective review of 523 cochlear implant cases.
- Analysis of demographic, radiological, and surgical data.
- Literature review on CSF gusher management.
Main Results:
- Fifteen patients (2.87%) experienced CSF gusher.
- Most cases (86.7%) involved children with congenital hearing loss and often inner ear malformations.
- CSF gusher was successfully managed in all patients by packing the electrode entrance site.
Conclusions:
- CSF gusher can occur even without apparent risk factors.
- Prompt management during initial surgery, particularly tight electrode site packing, is effective.
- Additional interventions are rarely needed for persistent CSF leaks.
Related Concept Videos
01:21Cerebrospinal Fluid
7.9K
Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
7.9K
01:14Increased Intracranial Pressure l: Introduction
27
Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component...
27
01:22Cerebral Edema ll: Pathophysiology
19
Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this...
19
01:19Cerebral Edema l: Introduction
30
Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
30