3D Separable 2-layered Elastic Models of the Face for Surgical Planning of Local Flaps.

Plast Reconstr Surg Glob Open

Department of Plastic and Reconstructive Surgery, Osaka Medical College, Osaka, Japan.

Published: July 2018

Reconstruction with the use of local flaps always involves 3 dimensional movements. It is difficult to predict with 3D complex forms stereoscopic changes after local flap operations on the face. We have made 3-dimensional computer-assisted 2-layered elastic models of the face. The surface layer of the model can be detached from the inner layer. By observing the surface model after simulation surgery, it becomes possible to note the distortions caused by the flaps and to determine the tension of each stitch during suturing of the flap. For the simulation surgery, we used our model for a 73-year-old woman with basal cell carcinoma of the nose, selecting the best of several candidate flaps. The time of removal of the stitches could be delayed at the places with high tension. By using these separable 2-layered models of the face, we can choose the best reconstruction method. The actual operation can be performed smoothly, and the best time to remove the stitches can be determined.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6110670PMC
http://dx.doi.org/10.1097/GOX.0000000000001857DOI Listing

Publication Analysis

Top Keywords

models face
12
separable 2-layered
8
2-layered elastic
8
elastic models
8
local flaps
8
simulation surgery
8
face
4
face surgical
4
surgical planning
4
planning local
4

Similar Publications

Characterizing brain dynamic functional connectivity (dFC) patterns from functional Magnetic Resonance Imaging (fMRI) data is of paramount importance in neuroscience and medicine. Recently, many graph neural network (GNN) models, combined with transformers or recurrent neural networks (RNNs), have shown great potential for modeling the dFC patterns. However, these methods face challenges in effectively characterizing the modularity organization of brain networks and capturing varying dFC state patterns.

View Article and Find Full Text PDF

Silver chalcogenides exhibit exceptional transport properties but face structural instability at high temperatures, limiting their practical applications. Using AgTe as a model, it is confirm that silver whisker growth above the phase transition renders AgTe unsuitable for thermoelectric applications. Here, the whisker growth mechanism is investigated and propose an inhibition strategy, overcoming a major obstacle in using silver chalcogenides.

View Article and Find Full Text PDF

Background: Primary health care (PHC) services face operational challenges due to high patient volumes, leading to complex management needs. Patients access services through booked appointments and walk-in visits, with walk-in visits often facing longer waiting times. No-show appointments are significant contributors to inefficiency in PHC operations, which can lead to an estimated 3%-14% revenue loss, disrupt resource allocation, and negatively impact health care quality.

View Article and Find Full Text PDF

Background: Paediatric emergency and critical care require skilled nurses, but they often face a lack of motivation during continuing professional development. Motivation-based, engaging activities in training programmes are essential to sustain interest and improve learning outcomes in these high-stress environments.

Aim: This study aims to develop, implement and evaluate the effectiveness of a Paediatric Emergency Course (PEC) using the ARCS (Attention, Relevance, Confidence, Satisfaction) Motivational Design Model to equip nurses with the knowledge and skills needed to manage paediatric patients in emergency and critical care settings.

View Article and Find Full Text PDF

Background: Epidemiological studies report associations of drinking water disinfection byproducts (DBPs) with adverse health outcomes, including birth defects. Here, we used a rat model susceptible to pregnancy loss (full-litter resorption; FLR) and eye malformations (anophthalmia, microphthalmia) to test 11 DBPs, including trihalomethanes, haloacetic acids (HAAs), and nitrogen-containing DBPs (N-DBPs).

Methods: Timed-pregnant F344 rats received gavage doses of chloroform, chlorodibromomethane, iodoform, chloroacetic acid, bromoacetic acid, dibromoacetic acid (DBA), diiodoacetic acid (DIA), trichloroacetic acid (TCA), dibromonitromethane, and iodoacetonitrile on gestation days (GD) 6-10.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!