Related Experiment Video
Updated: Aug 1, 2026
05:37
Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
Published on: August 6, 2019
6.4K
Chiari I malformation: management evolution and technical innovation
Federico Bianchi1, Benedetta Montedoro2, Paolo Frassanito3
1Pediatric Neurosurgery, Fondazione Policlinico Gemelli IRCCS, Rome, Italy. federico.bianchi@policlinicogemelli.it.
Summary
Chiari I malformation (CIM) is a complex condition often caused by a small posterior cranial fossa. Symptomatic cases require surgical intervention, with ongoing debate regarding dural opening and bony decompression techniques.
Area of Science:
- Neurosurgery
- Radiology
- Pathology
Background:
- Chiari I malformation (CIM) is increasingly diagnosed via radiological assessment.
- CIM involves cerebellar tonsil protrusion into the foramen magnum, with >5 mm considered pathological.
- It's a heterogeneous condition with primary and secondary forms, often resulting from braincase volume imbalance.
Purpose of the Study:
- To review recent advancements in the diagnosis, management, and pathogenesis of Chiari I malformation.
- To enhance understanding of this complex neurological condition.
Main Methods:
- Review of current literature on Chiari I malformation.
- Analysis of diagnostic criteria and surgical techniques.
Main Results:
- CIM pathogenesis is multifactorial, with theories including posterior cranial fossa overcrowding.
- Asymptomatic CIM requires no treatment; symptomatic cases necessitate surgical management.
- Surgical approaches vary, with debate on dural opening and bony decompression.
Conclusions:
- Further research is needed to fully elucidate the pathogenesis of primary CIM.
- Understanding the heterogeneity of CIM is crucial for effective management.
- Novel approaches in diagnosis and treatment are continually emerging.
Related Concept Videos
01:30Health Information Technology and Healthcare Information System
Health Information Technology (HIT)
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
01:10Control Systems
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
01:25Distribution Reliability and Automation
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
01:28Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
01:22Bioreactor Controls-III
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
01:24iChip
The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...