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Surgical Management
Published in Takahiro Shiota, 3D Echocardiography, 2020
However, do we really need 3D TEE for surgical removal of a cardiac mass such as myxoma or papillo-fibroelastoma? 3D imaging may help surgeons in planning reconstruction of the area before the operation. In this case, the location, shape, motion, and lack of involvement with the tricuspid valve gives the surgeon a more definite idea about what would happen after its removal. This type of contribution depends on the anatomical variation of the mass relative to its neighborhood cardiac structure.14 Unless we have 3D TEE images, we cannot tell how important their contribution could be. In this sense, 3D imaging is valuable for surgery of a cardiac mass.
An Introduction to Medical Image Analysis in 3D
Published in Rohit Raja, Sandeep Kumar, Shilpa Rani, K. Ramya Laxmi, Artificial Intelligence and Machine Learning in 2D/3D Medical Image Processing, 2020
Upasana Sinha, Kamal Mehta, Prakash C. Sharma
3D Image Analysis is the visualization, processing and evaluation of 3D photo statistics through geometric transformation, filtering, picture segmentation and other morphological operations. 3D conception forms the basis of contemporary radiology. 3D experimental imaging is a modern visual imaging scientific expertise that affords an enriched image of the interior body for scientific assessment making use of 3D imaging modalities. 3D scientific imaging provides more effective pictures of blood vessels and better images of bones. It is undisputable that 3 Dimensional (3D) imaging is continuously improving with the continued enhancement of instrumentation.
Composite Materials for Oral and Craniofacial Repair or Regeneration
Published in Vincenzo Guarino, Marco Antonio Alvarez-Pérez, Current Advances in Oral and Craniofacial Tissue Engineering, 2020
Teresa Russo, Roberto De Santis, Antonio Gloria
Over the past decade, a wide range of degradable, partially degradable and non-degradable polymer based composites has been investigated to repair or to regenerate hard tissues in oral and craniofacial surgery. These composites can be prepared in the laboratory and then implanted or they can be polymerized in situ. For the former approach, the main advancements arise from Additive Manufacturing (AM) technologies, also known as 3D printing, while injectable or spreadable nanocomposites represent the main achievements for in situ forming of prostheses, restorative materials and scaffolds for Tissue Engineering (’l'E). Self-shape adaptation of injectable or spreadable nanocomposites, and the overall reduced time from diagnosis to implantation, is the most convenient approach for dental and cranial bone tissues repair or regeneration. However, several drawbacks such as heat and shrinkage due to the polymerization process and release of unreacted monomers, limit the in situ forming approach. On the other hand, patient tailored prostheses and scaffolds, designed and manufactured in the laboratory, involve the use of the Reverse Engineering (RE) applied to organs and hard tissues for defining, via Computer Aided Design (CAD), the customized prosthesis or scaffold. 3D imaging clinical tools like X-ray CT, MRI and Laser scanners provide the main data source for developing the digital model. Implant designing, composite materials and engineering technologies, as well as future trends in the field, will be focused.
Appropriate use criteria of left atrial appendage closure devices: latest evidences
Published in Expert Review of Medical Devices, 2023
Fabrizio Guarracini, Eleonora Bonvicini, Alberto Preda, Marta Martin, Simone Muraglia, Giulia Casagranda, Marianna Mochen, Alessio Coser, Silvia Quintarelli, Stefano Branzoli, Roberto Bonmassari, Massimiliano Marini, Patrizio Mazzone
Fluoroscopy guidance alone has been practiced and it is safe and efficient [56], but currently it is performed only in few experienced center, while usually fluoroscopy is associated to other technique [57]. For echocardiography monitoring, 3D imaging provides a better view about the intracardiac chambers, allowing better awareness of the movement of the catheters and device. Intracardiac echocardiography (ICE) has been also used for procedural imaging in structural heart disease intervention [58] and it has been applied during LAAC, too. Some studies have demonstrated that ICE may be an alternative imaging modality, with short turnover times, less radiation exposure, but with inferior image quality and need of use of another catheter; more studies are needed to evaluate its real potentiality [59,60].
Patient-derived breast model repository, a tool for hyperthermia treatment planning and applicator design
Published in International Journal of Hyperthermia, 2022
Ioannis Androulakis, Kemal Sumser, Melanie N. D. Machielse, Linetta Koppert, Agnes Jager, Remi Nout, Martine Franckena, Gerard C. van Rhoon, Sergio Curto
For the development of hyperthermia devices and delivery of treatments, accurate knowledge of the patient anatomy, as well as of the tumor location and its characteristics, is needed. This is also valid for the development of accurate treatment planning workflows. The breast region is an inhomogeneous mixture of fibroglandular and fatty tissues [15]. Three-dimensional (3D) imaging is mainly performed using magnetic resonance imaging (MRI) due to its superior soft-tissue contrast compared to X-ray computed tomography (CT). As manually segmenting breast tissues is a difficult and impractical task, several automated and semi-automated methods have been proposed and used for breast tissue segmentation [16–18]. The latter is important as it is mandatory to implement routine breast tissue segmentation for tumor-targeted hyperthermia treatment modeling to apply radiotherapy or adjuvant chemotherapy plus hyperthermia to the intact breast.
Comparison of surgical outcomes between 3-dimensional and 2-dimensional laparoscopy of ovarian cyst (LOOC): a randomised controlled trial
Published in Journal of Obstetrics and Gynaecology, 2022
Young Gi Han, Kyung Min Lim, Taejong Song
We showed that 3D imaging systems improves task efficiency in laparoscopic procedures. This finding was agreement in with those of previous studies. In an experimental study performed by Storz et al. (2012), it was demonstrated how both difficult and easy tasks were completed with greater precision and shorter performance time when 20 medical students and 10 experienced laparoscopists were working under 3D vision rather than 2D vision. They concluded that 3D using a state-of-the-art 3D monitor permits superior task efficiency, even as compared with the latest 2D video systems. In a randomised clinical trial conducted by Buia et al., 79 patients undergoing elective laparoscopic operations (cholecystectomy or appendectomy) were randomised to a 2D or 3D imaging system (Buia et al. 2017). The primary endpoints of the study were task efficiency and surgical safety. The 3D imaging was significantly better than 2D imaging in terms of task efficiency (p = .001) and surgical safety (p < .001) (Buia et al. 2017). However, a study by Lui et al was not consistent with our results (Lui and Cheung 2018). In their prospective randomised study comparing 3D versus 2D laparoscopies for ovarian cystectomy, the primary outcome was the surgeon’s Global Operative Assessment of Laparoscopic Skills (GOALS) score. They reported there was no significant differences in GOALS scores (20.1 ± 3.3 versus 20.8 ± 3.9, p = .393).