Related Experiment Video
Updated: Jan 28, 2026
09:27
Measuring the Shape and Size of Activated Sludge Particles Immobilized in Agar with an Open Source Software Pipeline
Published on: January 30, 2019
7.4K
Shape-based interpolation method in measuring intracranial volume for pre- and post-operative decompressive
Johari Yap Abdullah1, Zainul Ahmad Rajion1, Arvind Gerard Martin2
1Craniofacial Medical Imaging Research Group, School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia.
Neurocirugia (English Edition)
|February 21, 2019
Summary
The shape-based interpolation (SBI) method accurately estimates intracranial volume (ICV) using CT scans, offering a rapid and reliable alternative to manual segmentation for patients undergoing decompressive craniectomy (DC). This validated technique ensures consistent ICV measurements in clinical practice.
Area of Science:
- Neurosurgery
- Medical Imaging
- Radiology
Background:
- Intracranial volume (ICV) is crucial for managing patients undergoing decompressive craniectomy (DC).
- Accurate ICV measurement is essential for surgical planning and patient monitoring.
- Traditional manual segmentation methods can be time-consuming.
Purpose of the Study:
- To validate the shape-based interpolation (SBI) method for ICV measurement.
- To assess the reliability and agreement of SBI compared to manual segmentation.
- To determine the clinical applicability of SBI for ICV estimation using CT images.
Main Methods:
- Analysis of pre- and post-operative CT images from 55 patients undergoing DC surgery.
- ICV measurement using manual segmentation and the SBI method with a 1-in-10 sampling strategy.
- Statistical comparison using independent t tests, intraclass correlation coefficients (ICC), and Bland-Altman plots.
Main Results:
- No significant difference in ICV measurements between manual and SBI methods (p=.983 pre-op, p=.960 post-op).
- High intrarater reliability with ICC=1.00.
- Bland-Altman analysis demonstrated good agreement between both methods.
Conclusions:
- The SBI method with 1-in-10 sampling provides ICV estimations comparable to manual segmentation.
- SBI is a rapid, reliable, and repeatable method for ICV estimation.
- This validated technique is suitable for clinical use in DC patient management.
Related Concept Videos
01:28Cardiomyopathy VII: Pre and Post Operative Nursing Management
330
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
330
01:19Role of Shaping in Operant Conditioning
1000
Shaping is a technique used in operant conditioning to train complex behaviors by rewarding successive approximations toward the target behavior. This method is necessary because organisms are unlikely to perform complex behaviors spontaneously. Instead, shaping breaks down the desired behavior into small, manageable steps.
The steps involved in shaping begin with reinforcing any response that resembles the desired behavior. For example, parents might praise a child for picking up one toy. As...
The steps involved in shaping begin with reinforcing any response that resembles the desired behavior. For example, parents might praise a child for picking up one toy. As...
1000
01:23GIS Software, Hardware, and Sources of GIS Data
776
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
776
01:10Reconstruction of Signal using Interpolation
725
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
725
01:18Methods of Documentation I: Source-Oriented Records
1.7K
Source-oriented records, or SOR, are medical record-keeping organized by the data source. The SOR system was first developed in the mid-1900s to organize the growing patient data in hospitals and other healthcare facilities.
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
1.7K
03:37Molecular Shape and Polarity
75.4K
Dipole Moment of a Molecule
75.4K