Related Experiment Video
Updated: Feb 3, 2026
05:01
A Detailed Protocol for Physiological Parameters Acquisition and Analysis in Neurosurgical Critical Patients
Published on: October 17, 2017
7.5K
Interactive patient-customized curvilinear reformatting for improving neurosurgical planning
Shin-Ting Wu1,2, Wallace Souza Loos3,4, Dayvid Leonardo de Castro Oliveira5
1School of Electrical and Computer Engineering, University of Campinas, Av. Albert Einstein - 400, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-852, Brazil. ting@dca.fee.unicamp.br.
International Journal of Computer Assisted Radiology and Surgery
|October 22, 2018
Summary
This study presents a novel MRI technique for visualizing brain structures in their native space, aiding neurosurgical planning. The method accurately depicts cortical and vascular relationships, enhancing surgical safety, especially in resource-limited settings.
Area of Science:
- Neurosurgery
- Medical Imaging
- Radiology
Background:
- Accurate visualization of brain structures is crucial for neurosurgical planning.
- Preserving superficial cerebral veins and surrounding regions is essential during surgery.
- Existing methods may require complex coregistration of anatomical and vascular data.
Purpose of the Study:
- To describe a visualization tool using single gadolinium contrast-enhanced T1-weighted MRI for neurosurgical planning.
- To promote the visualization of critical brain structures in their native space.
- To avoid the need for coregistration of anatomical and vascular volumes.
Main Methods:
- Application of a curvilinear reformatting tool on the supratentorial compartment.
- Peeling tissues to the depth of the dura mater to reveal cortical and vascular spatial relationships.
- Utilizing single contrast-enhanced T1-weighted MRI scans without coregistration.
Main Results:
- The technique reliably provided accurate preoperative 3D views of cortical and vascular relationships.
- These views were comparable to intraoperative views obtained by neurosurgeons.
- Validation through comparison with intraoperative brain surface photographs in 20 patients.
Conclusions:
- Single fat-suppressed GAD contrast-enhanced T1-weighted MRI offers accurate preoperative 3D visualization.
- This imaging approach can improve the safety of complex neurosurgeries.
- It is particularly beneficial for developing countries with limited advanced health technology access.
Related Concept Videos
01:24Nursing Process for Patient and Caregiver Teaching II: Planning and Implementation
2.1K
Planning for learning involves the development of a teaching plan. Teaching plans are similar to nursing care plans—both follow the steps of the nursing process. Planning in the teaching process involves setting goals and outcomes. Here, goals identify what a patient needs to achieve to understand a healthcare topic better, whereas the outcomes are the action to be performed by the patient to achieve the goal within a timeframe. For example, if the goal is to educate the patient about...
2.1K
01:23Curvilinear Motion: Rectangular Components
1.3K
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
1.3K
01:27Curvilinear Motion: Polar Coordinates
992
In polar coordinates, the motion of a particle follows a curvilinear path. The radial coordinate symbolized as 'r,' extends outward from a fixed origin to the particle, while the angular coordinate, 'θ,' measured in radians, represents the counterclockwise angle between a fixed reference line and the radial line connecting the origin to the particle.
The particle's location is described using a unit vector along the radial direction. Deriving the particle's position...
The particle's location is described using a unit vector along the radial direction. Deriving the particle's position...
992
01:23Sampling Plans
985
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
985
01:27Curvilinear Motion: Normal and Tangential Components
961
When a car traverses a curved road, its motion can be elucidated by breaking it down into tangential and normal components. The car-centric coordinates attached to the vehicle move with it.
The positive direction of the t-axis aligns with the increasing position of the car along the curved path, denoted by the unit vector ut. Simultaneously, the n-axis, perpendicular to the t-axis, dissects the curved path into differential arc segments, each forming the arc of a circle with a radius of...
The positive direction of the t-axis aligns with the increasing position of the car along the curved path, denoted by the unit vector ut. Simultaneously, the n-axis, perpendicular to the t-axis, dissects the curved path into differential arc segments, each forming the arc of a circle with a radius of...
961
01:21Planning Nursing Care I
5.9K
The planning phase of the nursing process helps nurses set priorities, outline patient-centered goals and expected outcomes, and tailor nursing interventions to align with the aligned care plan. Through the planning phase, the nurse applies critical thinking skills to align and develop interventions according to the patient's needs. It provides continuity of care allowing patients to receive the maximum benefit from treatment. It serves as a pilot plan for allocating individual staff to a...
5.9K