scholarly journals Preoperative planning using computed tomography in tibial plateau levelling osteotomy: A comparison with conventional radiography

2022 ◽  
Author(s):  
Jayon Kim ◽  
Jaeeun Ko ◽  
Kidong Eom ◽  
Jaehwan Kim
Keyword(s):  
Computed Tomography ◽  
Tibial Plateau ◽  
Preoperative Planning ◽  
Conventional Radiography

scholarly journals Immersive 3D virtual reality imaging in planning minimally invasive and complex adult cardiac surgery

2020 ◽  
Vol 1 (1) ◽  
pp. 62-70
Author(s):  
Amir H Sadeghi ◽  
Wouter Bakhuis ◽  
Frank Van Schaagen ◽  
Frans B S Oei ◽  
Jos A Bekkers ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Virtual Reality ◽  
Cardiac Surgery ◽  
Heart Surgery ◽  
Preoperative Planning ◽  
Operating Time ◽  
Three Dimensional ◽  
Cardiothoracic Surgery ◽  
Planning Tool ◽  
Computed Tomography Images

Abstract Aims Increased complexity in cardiac surgery over the last decades necessitates more precise preoperative planning to minimize operating time, to limit the risk of complications during surgery and to aim for the best possible patient outcome. Novel, more realistic, and more immersive techniques, such as three-dimensional (3D) virtual reality (VR) could potentially contribute to the preoperative planning phase. This study shows our initial experience on the implementation of immersive VR technology as a complementary research-based imaging tool for preoperative planning in cardiothoracic surgery. In addition, essentials to set up and implement a VR platform are described. Methods Six patients who underwent cardiac surgery at the Erasmus Medical Center, Rotterdam, The Netherlands, between March 2020 and August 2020, were included, based on request by the surgeon and availability of computed tomography images. After 3D VR rendering and 3D segmentation of specific structures, the reconstruction was analysed via a head mount display. All participating surgeons (n = 5) filled out a questionnaire to evaluate the use of VR as preoperative planning tool for surgery. Conclusion Our study demonstrates that immersive 3D VR visualization of anatomy might be beneficial as a supplementary preoperative planning tool for cardiothoracic surgery, and further research on this topic may be considered to implement this innovative tool in daily clinical practice. Lay summary Over the past decades, surgery on the heart and vessels is becoming more and more complex, necessitating more precise and accurate preoperative planning. Nowadays, operative planning is feasible on flat, two-dimensional computer screens, however, requiring a lot of spatial and three-dimensional (3D) thinking of the surgeon. Since immersive 3D virtual reality (VR) is an upcoming imaging technique with promising results in other fields of surgery, we aimed in this study to explore the additional value of this technique in heart surgery. Our surgeons planned six different heart operations by visualizing computed tomography scans with a dedicated VR headset, enabling them to visualize the patient’s anatomy in an immersive and 3D environment. The outcomes of this preliminary study are positive, with a much more reality-like simulation for the surgeon. In such, VR could potentially be beneficial as a preoperative planning tool for complex heart surgery.

scholarly journals Applications of cone beam computed tomography in endodontics

2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Ateksha Bhardwaj Khanna
Keyword(s):  
Computed Tomography ◽  
Treatment Planning ◽  
Cone Beam Computed Tomography ◽  
Oral Surgery ◽  
Three Dimensional ◽  
Conventional Radiography ◽  
Cone Beam ◽  
Oral Radiology ◽  
Manual Search ◽  
First Choice

Abstract Background Endodontic disease can adversely affect the quality of life and therefore early diagnosis and consequent timely treatment is of paramount importance for the Endodontist. Radiology is an essential component in treatment planning, disease monitoring and assessment of treatment outcome. Periapical radiographs and panoramic radiography are frequently utilised but they provide only two-dimensional representation of three-dimensional structures. The advent of cone beam computed tomography (CBCT) offers three-dimensional accuracy of the hard tissue images with a reasonable cost and this has revolutionised imaging of the dentomaxillofacial structures. This imaging system has been seen to overcome some limitations of conventional radiography, as brought out in this review. The improvement in the accuracy is, however, accompanied at the cost of increased radiation exposure to the patient. Nevertheless, smaller areas of exposure are normally appropriate for endodontic imaging, and adjustment in the exposure parameters can further moderate the effective dose (Loubele et al. 37(6):309-18, 2008). Aims and objectives The aim of this review is to present the pertinent literature on the various applications of cone beam computed tomography in the field of endodontics. Methods Literature was electronically searched on the following sources; Medline and Keats Library. Further, a manual search was performed on the following journals: International Endodontic Journal, Journal of Endodontics, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, Endodontology, Journal of Dental Research, European Journal of Oral Sciences & Odontology and Dentomaxillofacial Radiology. A preliminary search was performed to gain an idea of the available literature using keywords ‘Cone Beam Computed Tomography’ to view the volume of the literature evident and identify questions to be addressed in this review. The initial search showed 243 potential articles. After scrutinising the titles and abstracts of the retrieved articles, 70 relevant studies were reviewed in full text. Furthermore, ‘published guidelines on the use of CBCT’ were also searched so as to include the results as an additional source material. All the articles eligible to be included in the review were in the English language and ranged from the year 1960 to the present. Also all the studies reviewed were based on the various uses of cone beam computed tomography in the field of endodontics. The keywords used to search were ‘Cone Beam Computed Tomography (CBCT)’, ‘Conventional radiography’, ‘Applications of CBCT in endodontics’, ‘CBCT and tooth morphology’, ‘CBCT and apical periodontitis’, ‘CBCT and vertical root fractures’, ‘CBCT and resorption’, ‘CBCT and pre-surgical assessment’, ‘CBCT and dento-alveolar trauma’ and ‘CBCT and endodontic outcome’. Results Every case is unique and CBCT should be considered only after studying each case individually. CBCT imaging needs to be adopted or used where information from conventional imaging systems is either inadequate for the management of endodontic problems or inconclusive. Having said that, it is safe to state that CBCT imaging has the potential to become the first choice for endodontic treatment planning and outcome assessment, especially when new scanners with lower radiation doses and enhanced resolution would be available.

scholarly journals CBCT in orthodontics: a systematic review on justification of CBCT in a paediatric population prior to orthodontic treatment

2018 ◽  
Vol 41 (4) ◽  
pp. 381-389 ◽  
Author(s):  
Annelore De Grauwe ◽  
Irem Ayaz ◽  
Sohaib Shujaat ◽  
Simon Dimitrov ◽  
Logan Gbadegbegnon ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Systematic Review ◽  
Orthodontic Treatment ◽  
Cleft Lip ◽  
Treatment Options ◽  
Correct Diagnosis ◽  
Conventional Radiography ◽  
Paediatric Population ◽  
Treatment Optimization ◽  
Diagnostic Efficacy

Summary Background Taking into account radiation doses, safety, and protection, we highlighted the features in which cone-beam computed tomography (CBCT) can offer an advantage compared to the conventional two-dimensional imaging in paediatric dentistry before orthodontic treatment. Objective The aim of this article was to conduct a systematic review to assess the diagnostic efficacy of CBCT in the paediatric population at a pre-orthodontic phase. Search methods MEDLINE via PubMed was searched to identify all peer-reviewed articles potentially relevant to the review until 1 July 2018. Relevant publications were selected by two reviewers independently. Selection criteria The literature selection for this systematic review was carried out according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement and was based on predetermined inclusion criteria. Data collection and analysis Data were collected on overall study characteristics and examination characteristics of the selected studies. Methodological quality of the selected studies was evaluated. Original studies were assessed using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS) tool. Thereafter, levels of evidence were obtained according to Grading of Recommendations Assessment, Development and Evaluation criteria. Results As a result of the QUADAS assessment, a total of 37 articles were included in the protocol. Following a proper protocol, CBCT was regarded as a reliable tool for assessment and management of impacted canine and root fracture. It provided a better evaluation of normal and pathological condylar shape and volume. CBCT was a superior choice for pre-surgical diagnostic applications in cleft lip and/or palate over a medical computed tomography based on its lower radiation exposure, shorter investigation time, and low purchase costs. Conclusions CBCT is justified only in those cases where conventional radiography fails to provide a correct diagnosis of pathology. Therefore, it cannot be regarded as a standard method of diagnosis. CBCT imaging may also be justified when it positively affects treatment options or provides treatment optimization. Registration None. Conflict of interest None to declare.

The internal calcar septum (femoral thigh spur) in computed tomography and conventional radiography

2001 ◽  
Vol 30 (2) ◽  
pp. 77-83 ◽  
Author(s):  
Frank Adam ◽  
Dietrich Stephan Hammer ◽  
Dietrich Pape ◽  
Dieter Kohn
Keyword(s):  
Computed Tomography ◽  
Conventional Radiography

scholarly journals Personalized preoperative planning in children with recurrent patellar dislocation severe

2019 ◽  
Vol 26 (3) ◽  
pp. 31-36
Author(s):  
G. P Kotel’nikov ◽  
Yu. V Lartsev ◽  
A. K Povelihin ◽  
P. V Ryzhov ◽  
D. S Kudashev ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Postoperative Period ◽  
Patellar Dislocation ◽  
Preoperative Planning ◽  
Recurrent Dislocation ◽  
Knee Joints ◽  
Lateral Projection ◽  
Results Of Treatment ◽  
Personalized Approach ◽  
Severe Degree

The aim of the study: was to improve the results of treatment in children with recurrent severe patellar dislocation, through the development of a differentiated approach to preoperative planning. Material and Methods. In SLLP Clinics Samara state medical University from 2014 to 2018 was observed 54 patients with this disease. In 37 patients recurrent severe dislocation. The average age of patients is 14.2 years. The patients underwent postural radiography of the lower extremities, radiography of the knee joint in the lateral projection, computed tomography of the knee joints, computed tomography of the hip joints. Research patients measured parameters, confirming mnohopocetny dysplastic changes of the joint angle Q, the index Insall-Salvati, the congruence angle on Merchant and anticarsia of the femoral head. Because of the severe degree of the disease, bone plastic surgery is indicated. Patients underwent corrective supracondylar derotation-dialysisa osteotomy of the femur in combination with medialization and distalization of the tibial tuberosity. During this operation, it is possible to perform a correction in all three planes. Results. In the postoperative period, 32 patients have no complications, 1 patient has relapse, 4 patients have contracture. In the long-term postoperative period 86.5% of positive results and 13.5% of unsatisfactory results, which is much lower than 36.1% - the percentage of complications according to the medical literature. Conclusion. The proposed personalized approach in preoperative planning for recurrent dislocation of the patella of severe degree, allows you to choose the best option for surgery.

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