Related Experiment Video
Updated: Jun 30, 2026
14:59
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Cerebrospinal Fluid Shunts: An Updated Radiologic Review of Devices, Malfunctions, and Complications
Annie Singh1, Ishaan Singh2, Nikita Goyal3
1Atal Bihari Vajpayee Institute of Medical Sciences, New Delhi, India. anniesingh70000@gmail.com.
Korean Journal of Radiology
|June 28, 2026
Summary
Cerebrospinal fluid (CSF) shunts manage hydrocephalus by diverting excess fluid. Understanding shunt function, imaging, and complications is vital for effective patient care and treatment.
Area of Science:
- Neurosurgery
- Medical Devices
- Radiology
Background:
- Hydrocephalus necessitates cerebrospinal fluid (CSF) diversion.
- CSF shunt systems are critical for managing increased intracranial pressure.
- Shunts comprise catheters, reservoirs, and valves, often made of silastic and radiopaque materials.
Purpose of the Study:
- To provide a comprehensive overview of CSF shunts.
- To detail shunt structure, function, and imaging characteristics.
- To discuss complications and management strategies for CSF shunts.
Main Methods:
- Review of CSF shunt components and classifications.
- Analysis of shunt imaging features, including programmable valves.
- Summary of common shunt complications and indications for drainage devices.
Main Results:
- CSF shunts are categorized by outflow and valve type (fixed vs. adjustable).
- Programmable valves offer non-invasive pressure adjustments.
- Common complications include mechanical failure, infection, and functional issues requiring revision.
Conclusions:
- A thorough understanding of CSF shunts is essential for diagnosing and treating hydrocephalus.
- Effective management relies on knowledge of shunt imaging and potential complications.
- Advances in shunt technology, like programmable valves, aim to improve patient outcomes.
Related Concept Videos
01:21Cerebrospinal Fluid
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.
01:22Cerebral Edema ll: Pathophysiology
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 barrier loses...
01:29Increased Intracranial Pressure ll: Pathophysiology
Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
01:19Cerebral Edema l: Introduction
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...
01:14Increased Intracranial Pressure l: Introduction
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 expands, CSF and venous blood...