Relevant bibliographies by topics / Pre-operative planning

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Pre-operative planning'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Pre-operative planning"

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Watson, JA, and JP Hollingdale. "Pre-operative planning for intramedullary nailing." Journal of Bone and Joint Surgery. British volume 74-B, no. 1 (January 1992): 158–59. http://dx.doi.org/10.1302/0301-620x.74b1.1732252.

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Sharma, S., M. Grover, S. N. Singh, T. Kataria, and R. S. Lakhawat. "Cochlear orientation: pre-operative evaluation and intra-operative significance." Journal of Laryngology & Otology 132, no. 06 (June 2018): 540–43. http://dx.doi.org/10.1017/s002221511800066x.

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AbstractObjectiveThe study primarily aimed to calculate the orientation of the cochlea pre-operatively, using high-resolution computed tomography of the temporal bone, and predict the ease of electrode insertion.MethodsPre-operatively, high-resolution computed tomography scans were conducted on children scheduled for cochlear implantation, and two angles, α and β, were calculated. The values of α and β were then correlated with intra-operative difficulty in insertion of the electrode array.ResultsNinety-six children were included in the study. Of the seven patients who had an α angle of less than 50 degrees, the surgeon experienced difficulties in electrode insertion. However, there were four patients with an α angle of more than 50 degrees for whom the surgeon also experienced difficulties in electrode insertion. In all these patients, the β angle was more than 20 degrees.ConclusionCalculation of cochlear orientation and its angle with the surgical axis (α and β) can aid the planning of surgery, particularly with regard to the cochleostomy site and preservation of residual hearing.
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Michalíková, Monika, Teodor Tóth, Viktória Rajťúková, and Jozef Živčák. "The Digital Pre-Operative Planning of Hip Surgical Interventions." Solid State Phenomena 199 (March 2013): 350–55. http://dx.doi.org/10.4028/www.scientific.net/ssp.199.350.

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Computer technology has many applications in different fields of industry, health care and medicine. This encompasses paper-based information processing as well as data processing machines (Hospital information system or Clinical information system) and image digitalization of a large variety of medical diagnostic equipment (e.g. computer images of X-ray, MR, CT). The aim of the computer technology in medicine is to achieve the best possible support of patient care, preoperative surgery planning and administration by electronic data processing. At the present time in many countries of the worlds preoperative planning of interventions for lumbar joint is realized with caliper, protractor, plastic templates and x-ray images. Orthopaedic surgeons use transparent template radiographs as part of pre-operative planning in order to gauge the suitability and correct size of an implant. The newly developed CoXaM software offers a simple solution of the problems by using the digital x-ray images and handmade transparent plastic templates. The CoXaM software was developed in Visual Studio 2005 in the Visual C++ programming language at the Department of Biomedical Engineering and Measurement at the Faculty of Mechanical Engineering, Technical University of Kosice. The software was designed for pre-operative planning and helps to determine on the X-ray image a length dimensions, a center of rotation, an angle values. It enables the digitalization of plastic templates from several producers, which will assess the suitability of the type of implant.
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Wade, R. H., J. Kevu, and J. Doyle. "Pre-operative planning in orthopaedics:a study of surgeons' opinions." Injury 29, no. 10 (December 1998): 785–86. http://dx.doi.org/10.1016/s0020-1383(98)00192-2.

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Basu, N., T. Ray, C. Arhi, R. Bernal, R. Guy, L. Apthorp, and E. F. Shah. "93 Axillary Staging – a Useful Pre-operative Planning Tool." European Journal of Cancer 48 (March 2012): S68. http://dx.doi.org/10.1016/s0959-8049(12)70161-2.

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Ho, Cindy, Haley Perlow, Alex Ritter, Yevgeniya Gokun, Jennifer Matsui, Joshua Wang, Mark Damante, et al. "RADT-12. PRE- AND POST-OPERATIVE RADIATION TREATMENT PLANNING FOR PATIENTS RECEIVING STEREOTACTIC RADIOSURGERY FOR BRAIN METASTASES: A VOLUMETRIC ANALYSIS." Neuro-Oncology 24, Supplement_7 (November 1, 2022): vii51. http://dx.doi.org/10.1093/neuonc/noac209.202.

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Abstract BACKGROUND Pre-operative stereotactic radiosurgery (SRS) has emerged as a recent treatment option to treat large or symptomatic brain metastases. Compared to post-operative SRS, pre-operative treatment may reduce rates of radiation necrosis (RN) and meningeal disease through treating a smaller treatment volume and by preventing post-operative tumor seeding. We hypothesize that pre-operative radiation volumes will be smaller than post-operative volumes, which in turn may lead to a decreased treatment morbidity. METHODS A retrospective analysis was conducted and patients who had surgical resection and post-operative SRS or fractionated stereotactic radiosurgery (FSRT) for a posterior fossa brain metastasis were eligible for inclusion. Both pre-operative and post-operative MRIs were required to allow for accurate radiation target delineation. A pre-operative tumor volume was added for each patient, and the post-operative clinical treatment volume (CTV) used for radiation treatment was included. Pre-operative tumor and post-operative cavity volumes were compared using Wilcoxon signed rank test. RESULTS 28 patients who received post-operative SRS or FSRT from 1/1/2016-12/31/2020 were included in this analysis. The mean pre-operative tumor volume was 14.9 ccs, and the mean post-operative CTV was 21.0 ccs (p < 0.01). 75% of patients had a smaller initial tumor size compared to the post-operative CTV used for radiation treatment planning. For patients with at least 4 follow up MRIs (n = 8), the size of the post-operative cavity progressively decreased with a mean initial cavity volume of 18.9 ccs and mean follow up volumes of 8.1, 7.1, 6.9, and 6.2 ccs. CONCLUSIONS In this study evaluating patients who received post-operative SRS, the pre-operative tumor volume was lower than the post-operative CTV for most patients. Previous studies including PROPS-BM have shown how pre-operative treatment may reduce the risk of RN because smaller radiation volumes are used. Pre-operative radiosurgery for patients with brain metastases requires prospective validation.
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Fatic, Nikola, Pasha Normahani, Dejan Mars, Nigel J. Standfield, and Usman Jaffer. "Validation of an assessment tool for pre-operative EVAR planning." Perfusion 33, no. 2 (September 4, 2017): 123–29. http://dx.doi.org/10.1177/0267659117728112.

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Introduction: Current methods of teaching endovascular aortic aneurysm repair (EVAR) planning involve non-criteria-based observations that lack validity. The primary aim of this study was to validate an EVAR Planning Objective Structured Assessment of Skill (EpOSAS) tool for the assessment of pre-operative EVAR planning skills. Methods: Content analysis was performed in order to inform the formulation of EpOSAS domains. Thirty-five participants planned two cases of infra-renal abdominal aortic aneurysm for EVAR, using the OsiriX 7 platform. EVAR planning measurements, with accompanying screenshots, were uploaded onto an electronic data collection sheet. Performance was assessed by three blinded assessors using the EpOSAS tool. Construct and concurrent validity were evaluated. Results: Inter-observer reliability for the three assessors for total EpOSAS scores was high (Cronbach’s α 0.89). There were statistically significant differences in total EpOSAS scores between the different experience groups, demonstrating construct validity (Novice (5.3, IQR 5-5.3), Intermediate (15.3, IQR 14.8-16.8) and Experts (17.5, IQR 17-17.7), p<0.001). A statistically significant correlation was found between total EpOSAS scores and percentage error in measurements, demonstrating concurrent validity (Spearman’s rank correlation coefficient: R=-0.250, p<0.001). Receiver-operator characteristics analysis established a cut-off point of 16 out of 18 for determining competence. Conclusion: We have developed and validated a tool that can be used for the assessment of pre-operative EVAR planning skills.
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De Paolis, Lucio Tommaso, Marco Pulimeno, and Giovanni Aloisio. "Advanced Visualization and Interaction Systems for Surgical Pre-operative Planning." Journal of Computing and Information Technology 18, no. 4 (2010): 385. http://dx.doi.org/10.2498/cit.1001878.

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Facco, G., A. Mari, L. Greco, A. Forcellese, N. Specchia, and M. Valenti. "New frontiers in pre-operative planning of complex spinal deformities." Physica Medica 92 (December 2021): S134—S135. http://dx.doi.org/10.1016/s1120-1797(22)00286-1.

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Lakstein, Dror, Zachary Tan, Nugzar Oren, Tatu Johannes Mäkinen, Allan E. Gross, and Oleg Safir. "Pre-Operative Planning of Total Hip Arthroplasty on Dysplastic Acetabuli." HIP International 27, no. 1 (October 24, 2016): 55–59. http://dx.doi.org/10.5301/hipint.5000419.

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Background When performing total hip arthroplasty (THA) on a dysplastic hip, proper positioning of the acetabular component may not allow for more than 70% coverage. Structural support in the form of an autograft or a high porosity metal augment may be necessary. The purpose of the study was to investigate the value of pre-operative templating and deformity classification in predicting cup coverage and the need for structural support. Methods 65 cases of THA for DDH were retrospectively analysed. 2 observers independently classified each dysplastic hip according to Hartofilakidis and determined the extent of cup coverage via templating software on pre-operative digital AP pelvic radiographs. Results Weighted kappa interobserver agreement was 0.68 for cup coverage and 0.76 for Hartofilakidis type. Structural support was necessary in 10 hips. No structural support was necessary in Hartofilakidis type 1, dysplasia cases. However, 27-30% of cases with type 2 or type 3 dysplasia required structural support. All cases with templated cup coverage of 65% or less required structural support. Templated coverage within 65-75% and over 75% resulted in 20% and 10% of patients receiving structural augmentation, respectively. Conclusions Pre-Operative planning for THA in the setting of hip dysplasia is crucial and can provide valuable insight to the need for column augmentation. However, the 3-D severity of the deformity may be underestimated in the 2-D radiographs.
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Dissertations / Theses on the topic "Pre-operative planning"

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Steen, Alexander, and Marcus Widegren. "3D Visualization for Pre-operative Planning of Orthopedic Surgery." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-94556.

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This report presents a master thesis on 3D visualization for pre-operation planning of orthopedic surgery done for Sectra Medical Systems AB. The focus is on visualizing clinically relevant data for planning a Total Hip Replacement (THR). The thesis includes a pre-study and the implementation of a prototype using the Sectra IDS7 workstation.
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Thomas, Thaddeus Paul. "Virtual pre-operative reconstruction planning for comminuted articular fractures." Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/2778.

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Highly comminuted intra-articular fractures are complex and difficult injuries to treat. Once emergent care is rendered, the definitive treatment objective is to restore the original anatomy while minimizing surgically induced trauma. Operations that use limited or percutaneous approaches help preserve tissue vitality, but reduced visibility makes reconstruction more difficult. A pre-operative plan of how comminuted fragments would best be re-positioned to restore anatomy helps in executing a successful reduction. The objective of this work was to create new virtual fracture reconstruction technologies that would deliver that information for a clinical series of severe intra-articular fractures. As a step toward clinical application, algorithmic development benefits from the availability of more precise and controlled data. Therefore, this work first developed 3D puzzle solving methods in a surrogate platform not confounded by various in vivo complexities. Typical tibial plafond fracture fragmentation/dispersal patterns were generated with five identical replicas of human distal tibia anatomy that were machined from blocks of high-density polyetherurethane foam (bone fragmentation surrogate). Replicas were fractured using an instrumented drop tower and pre- and post-fracture geometries were obtained using laser scans and CT. A semi-automatic virtual reconstruction computer program aligned fragment native surfaces to a pre-fracture template. After effective reconstruction algorithms were created for the surrogate tibias, the next aim was to develop new algorithms that would accommodate confounding biologic factors and puzzle solve clinical fracture cases. First, a novel image analysis technique was developed to segment bone geometries from pre- and post-surgical reduction CT scans using a modified 3D watershed segmentation algorithm. Next, 3D puzzle solving algorithms were advanced to obtain fracture reconstructions in a series of highly comminuted tibial plafond fracture cases. Each tibia was methodically reconstructed by matching fragment native (periosteal and articular) surfaces to an intact template that was created from a mirror image of the healthy contralateral limb. Virtual reconstructions obtained for ten tibial plafond fracture cases had average alignment errors of 0.39±0.5 mm. These novel 3D puzzle solving methods are a significant advancement toward improving treatment by providing a powerful new tool for planning the surgical reconstruction of comminuted articular fractures.
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Mangs, Ludvig. "Computer-assisted fracture reduction in an orthopaedic pre-operative planning workflow." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-137677.

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This report presents three implementations for solving 3D puzzles of fractured bones: two semi-automatic ones and one which is automatic. These are compared using qualitative as well as quantitative tests to find out if less interaction can yield equal or better results. Qualitative tests are performed on real clinical data from CT-scans. A model created in Blender is used for quantitative tests. Test results have shown that each implementation has its own strengths and weaknesses which can make them usable for different types of fractures. It may be possible to combine automatic solutions and manual ones to increase the number of solvable cases. The conclusion is that it is possible to reduce fractures with less user interaction and still get equal or better results, but it depends on the fracture case as well as the user.
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Paulsen, Martin. "Simulation driven pre-operative planning for the treatment of hallux rigidus : A novel concept of implant assessment." Thesis, KTH, Medicinsk teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-127909.

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The present study utilizes finite element analysis in order to simulate a surgical operation in the treatment of a hallux rigidus case, as designed and developed by Episurf Medical AB (Stockholm, Sweden). The surgical intervention includes an initial cheilectomy as well as an insertion of an orthopedic implant. The goal of the study was to evaluate the current concept of the medical intervention as it is manifested today, as well as to give design suggestions as how to further improve the pre-planning of the surgery. MRI-images of the first metatarsophalangeal joint in the hallux was collected from a patient suffering from hallux rigidus, and used in order to build case-specific geometrical images to be used in the FE analysis. The simulation was setup as to simulate a normal motion in the first metatarsophalangeal joint during a normal gait pattern. The first simulation was conducted without any intervention, while the second was conducted after a pre-determined operation plan in accordance with the surgical operation that Episurf Medical AB wants to perform. The results was then compared and analyzed in order to determine the post-surgical effects that such an operation could have on the patient. A third and final simulation was then performed, by using optimization algorithms in order to make suggestions to the pre-planned cheilectomy shape, as well as orientation of the implant. Two parameters were being investigated in order to assess the surgical intervention as designed by Episurf Medical AB; the contact stress on the articular side of the metatarsal head, and the strain on the implant shaft. The current manifestation of the cheilectomy did not reduce the contact stress compared to the untreated condition, as the implant failed to be a load baring surface due to the two dimensional nature of which it is conceived. Instead, the contact surface area is reduced and positioned medial and lateral to the implant head. The optimization algorithm could reduce the maximum contact stress significantly, from 295MPa and 400MPa in the treated and untreated conditons respectively, to 160MPa after the optimization algorithm. It became clear that the angle of the cheilectomy as well as the orientation of the implant angle has an incriminating effect on the post-operative results. However, the shape of the cheilectomy as well as the design of the implant would need to be revised in future embodiments, as the current concept failed to provide joint with a new articulating surface. Further development of the models formulated in this thesis is advised, as well as validating the findings with clinical data.
Den aktuella studien använder finita elementmetoden i syfte att simulera en kirurgisk operation som har utvecklats av Episurf Medical AB (Stockholm, Sverige) för att behandla ett hallux rigidus fall. Det kirurgiska ingreppet utgörs av en inledande cheilectomi,  som sedan följs av att operera in ett ortopediskt implantat. Målet med studien var att utvärdera det nuvarande konceptet för det medicinska ingrepp så som den är uttänkt idag, samt att ge designförslag för hur man ytterligare kan förbättra planeringen av operationen. MR-bilder av den första metatarsalleden i stortån samlades in från en patient som lider av hallux rigidus, som användes sedan för att bygga patient specifika geometriska bilder för att användas i FE-analysen. Simuleringen var modellerad för att simulera en normal rörelse i första metatarsofalangealleden under en normal gångcykel. Den första simuleringen genomfördes utan något ingripande, medan den andra genomfördes efter en förutbestämd operationsplan i enlighet med det kirurgiska ingreppet som Episurf Medical AB vill utföra. Resultaten jämfördes sedan och analyserades för att bestämma de resultaten som en sådan operation skulle kunna innebära för patienten postoperativt. En tredje och sista simulering utfördes sedan, med hjälp av optimeringsalgoritmer för att ge förslag på förbättringar för den förplanerade cheilectomin, samt orienteringen av implantatet. Två parametrar undersöktes för att bedöma det kirurgiska ingrepp som designats av Episurf Medical AB, kontaktbelastningen på artikulära sidan av metatarsalhuvudet, och påfrestningen på implantatet. Den nuvarande utformningen av cheilectomin minskade inte kontaktbelastningen jämfört med det obehandlade tillståndet, då implantatet inte vart belastat på grund av den tvådimensionella profilen i dess utformning. Optimeringsalgoritmen kunde minska den maximala kontaktbelastningen markant, från 295MPa i den behandlade och 400MPa i den obehandlade simuleringarna, till 160MPa efter optimeringsalgoritmen. Det blev tydligt att vinkeln på cheilectomin samt orienteringen av implantatet har en avgörande betydelse för det postoperativa resultatet. Dock skulle formen på cheilectomin liksom designen av implantatet behöva revideras i framtida utformningar, då det nuvarande konceptet inte lyckades att ge leden en ny ledyta. Vidareutveckling av de modeller som utvecklats i avhandlingen rekommenderas, samt att validera resultaten med annan kliniska data.
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Li, Jialong. "Optimisation Of Ligament Balancing And Knee Joint Kinematics In Total Knee Arthroplasty." Thesis, The University of Sydney, 2023. https://hdl.handle.net/2123/29945.

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Total knee arthroplasty (TKA) is a successful surgery for the clinical management of OA. The procedure has been demonstrated to alleviate pain due to degeneration of articulating surface of the joint, restore function and mobility and increase the quality of life for recipients. Well-balanced post-operative knee joints are often based on subjective ‘feel’ of experienced surgeons rather than quantifiable references. Most alignment strategies are still referencing the bone despite the complexity in anatomical variations and presence of deformity. This dissertation aims to investigate the contribution of soft tissue structures in the pre-operative decision-making process to explain a proportion of unsatisfied patients. Identifying the ‘goldilocks’ zone which allows for the perfect restoration of motion characteristics following implantation remains elusive. Addressing the final 20% of dissatisfaction is complex and yet to be solved in today’s technologically advanced clinical landscape. This dissertation suggest accuracy of many surgical delivery technologies in achieving a prescribed alignment philosophy can be inappropriate and irrelevant to the random nature of soft tissue profile for any given patient. Current assessment methods of soft tissue structure can be highly subjective to the surgeon and can often produce an input that is unreliable in identifying the true needs of the knee joint. Soft tissue, which contributes just as much as the boney anatomy to the kinematic behaviour of the patient, is far more complex and largely unmeasured. In doing so, this dissertation demonstrated the current alignment philosophies active places the components beyond the capabilities of the ligament despite many claiming to be soft tissue sparing and catering. In the pursuit of maximizing patient outcomes and post-operative satisfaction, surgeons should carefully consider varied resection of the bone based on the soft tissue on a patient specific basis.
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Larsson, Ulrica, and Johanna Pettersson. "Development and evaluation of a 6DOF interface to be used in a medical application." Thesis, Linköping University, Department of Science and Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1412.

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This thesis was performed at the research centre CINECA in Bologna, Italy. An interface with six degrees of freedom, 6DOF, to be used in a virtual environ- ment for the positioning of medical components was developed in co-operation with IOR, one of the most important orthopaedic hospitals in Italy. The main reason for doing this was to find out whether or not a virtual en-viron-ment and 6DOF interaction could make the pre-operative planning of an ope-ration more efficient compared to other techniques. Is it easy to posi-tion an object using stereovision and a 6DOF tracker tool? Further-more, the interface might also be used in other applications and areas in the future.

Described is the development of an interaction class especially constructed for the use of a tracking tool called a stylus pen. This tool takes advantage of all 6DOF, i.e. it recognises movements in the x, y and z directions and likewise the orientation of the tool around the three axis. Moreover, an application which uses the interaction class was created in order to evaluate its usefulness. The application enables the user to load, save and position objects within a virtual environment. The result of this evaluation is then described and discussed.

In the evaluations it was shown that the stylus pen with 6DOF is an intuitive in-ter-action tool which works well for positioning. The stereovision also seems to further improve the users ability to position objects. However, the created interaction class needs to be further developed before itcan be implemented in a pre-operative planning tool.

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Honiball, John Robert. "The application of 3D Printing in reconstructive surgery." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4207.

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Thesis (MScEng (Industrial Engineering))--University of Stellenbosch, 2010.
ENGLISH ABSTRACT: As part of a growing trend in the medical industry of patient specific solutions, a need arises for means and methods that could grant surgeons the ability to improve their pre-operative planning, and help streamline their intra-operative proceedings relative to each individual patient. A suitable solution has emerged in the form of Additive Fabrication. Most of the traditional layer manufacturing technologies have been considered to be too expensive for medical application, and could not always be justified. However, more cost effective technologies, such as 3D Printing, have recently come to the scene and definitely require a fresh re-consideration for medical applications. In this report the research results are presented that look at the applications of 3D Printing in various fields of reconstructive surgery. Based on a variety of case studies the outcome strongly suggests that 3D Printing might become part of standard protocol in medical practice in the near future.
AFRIKAANSE OPSOMMING: Tans beweeg die mediese veld al hoe meer in die rigting van pasiënt uniekheid. Dit beteken dat behandeling begin weg beweeg van standaard prosedures en soveel moontlik aagepas word om aan te pas by elke unieke pasiënt. As deel hiervan ontstaan die behoefte by chirurge om hul operasies ook beter te beplan spesifiek tot elke individu, en sodoende te verseker dat die prosedures in teater so glad moontlik verloop. Daar is reeds tegnologië in die vorm van Addidatiewe Vervaardiging wat hierdie probleem aanspreek. Tot op hede was die finansiële implikasies vir meeste van die onderskeie tegnologië ‘n struikelblok wanneer dit kom by mediese toepassings. Tog, danksy meer koste effektiewe tegnologie soos 3D Drukwerk, is dit die moeite werd om weer op nuut te kyk na die moontlikhede wat die tegnologie kan bied. In hierdie verslag word daar gekyk na die verskillende toepassings van 3D Drukwerk in die veld van rekonstruktiewe chirurgie. Op grond van die resultate verkry vanaf ‘n wye verskeidenheid gevalle studies word die gevolgtrekking gemaak dat bekostigbare tegnologie soos 3D Drukwerk ‘n baie goeie kans het om in die nabye toekoms deel te word van standaard prosedure in die mediese praktyk.
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Gauci, Marc-Olivier. "Description et classification 3D des glènes arthrosiques pour une planification préopératoire 3D assistée par ordinateur : l'épaule digitale normale et arthrosique Patient-specific glenoid guides provide accuracy and reproducibility in total shoulder arthroplasty, in The Bone & Joint Journal 98-B(8), 2016 A modification to the Walch classification of the glenoid in primary glenohumeral osteoarthritis using three-dimensional imaging, in Journal of Shoulder and Elbow Surgery 25(10), October 2016 Automated three-dimensional measurement of glenoid version and inclination in arthritic shoulders, in the Journal of Bone & Joint Surgery 100(1), January 2018 Proper benefit of a three dimensional pre-operative planning software for glenoid component positioning in total shoulder arthroplasty, in International Orthopaedics 42, 2018 The reverse shoulder arthroplasty angle: a new measurement of glenoid inclination for reverse shoulder arthroplasty, in Journal of Shoulder and Elbow Surgery 28(7), July 2019." Thesis, Brest, 2019. http://www.theses.fr/2019BRES0091.

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La modélisation tridimensionnelle est devenue plus accessible et plus rapide en orthopédie et en particulier en chirurgie de l’épaule. L’analyse morphométrique qui en est issue est utilisée pour permettre une meilleure compréhension de l’omarthrose. L’objectif global de cette thèse était de valider l’application d’un logiciel de segmentation automatisée tridimensionnelle dans les étapes de prise en charge du patient. Huit études ont permis de valider les mesures automatiques calculées par le logiciel, d’améliorer la classification des omarthroses primaires puis de décrire la géométrie 3D normale et pathologique de l’épaule. Des seuils numériques précis ont pu être établis entre les différents types. Le logiciel a permis de développer et valider l’utilisation d’un angle (RSA-angle) permettant de mieux positionner l’implant glénoïdien dans les prothèses inversées d’épaule. L’utilisation des mobilités simulées en 3D démontrait l’intérêt du logiciel dans la compréhension des conflits osseux après prothèse et des faiblesses de design d’implant. Enfin, le positionnement de l’implant glénoïdien en peropératoire avec un guide patient-spécifique imprimé en 3D correspondait fidèlement à sa planification préopératoire, cependant, la planification à elle seule améliorait déjà considérablement ce positionnement. Ce travail de thèse a permis de valider les performances et l’utilisation d’un logiciel de segmentation tridimensionnel et de planification préopératoire. Son application se retrouve dans plusieurs étapes de la prise en charge d’un patient atteint d’omarthrose et devrait progressivement s’intégrer dans la pratique quotidienne des chirurgiens
Three-dimensional modelling has become more accessible and faster in orthopedics and especially in shoulder surgery. The subsequent morphometric analysis is used to provide a better understanding of shoulder arthritis.The overall objective of this Thesis was to validate the use of a 3D-automated segmentation software in the various steps of patients management.Eight studies allowed validating the automatic measurements calculated by the software, improving the classification of primary shoulder arthritis and then describing the normal and pathological 3D geometry of the shoulder. Accurate numerical thresholds could be established between the different types. The software developed and validated the use of an angle (RSAangle) to better position the glenoid implant in reverse shoulder arthroplasty. The use of simulated range of motion in 3D demonstrated the software’s interest in understanding bone impingements after prosthesis and implant design weaknesses.Finally, the positioning of the glenoid implant intraoperatively with a patient specific guide printed in 3D corresponded faithfully to its preoperative planning. However, planning alone already greatly improved this positioning. This Thesis made it possible to validate the performance and use of a software of three-dimensional segmentation and pre-operative planning. Its application is found in several steps of the management of a patient with shoulder arthritis and should gradually be integrated into the daily practice of surgeons
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Su, Chun-chia, and 蘇惇嘉. "Ankle joint developing and pre-operative planning system with ankle joint characteristic dimension." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/76993607784924360376.

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碩士
義守大學
生物醫學工程學系碩士班
97
This study developed “Ankle joint developing and pre-operative planning system with ankle joint characteristic dimension” with pre-surgery planning and total ankle joint design function. This system not only can develop suitable size ankle joint prosthesis for Taiwan area, but also use this system to make pre-operative planning. The system included ankle joint prosthesis design module, ankle joint prosthesis optimization module, ankle joint replacement pre-operative planning module and databank module. This system can develop full-sized three-dimensional image of the ankle joint, also can provide detailed ankle joint measurement from different cutting plane. Ankle joint prosthesis designing functions in this study are auto-designing and optimization designing, use the characteristic dimension calculating and the optimization designing to be a technique for design ankle joint prosthesis, then obtain optimization designing of the ankle joint prosthesis for Taiwan area. To evaluate ankle joint prosthesis of this study, the simulation of 3D digital image with the combination of ankle joint for Taiwan area and ankle joint prosthesis that developed by this study. The functions of ankle joint replacement pre-operative planning module include measurement volume of the ankle joint surface by different cutting plan, information of setting location for total ankle joint replacement can obtained by measuring characteristic dimension from 3D digital image model of ankle joint, the procedure of planning can record by this system for study and training. This study integrated computer-assisted design, manufacture engineering and clinical physician experience, that can confirm this study include feasibly and functionally for ankle joint prosthesis designing and pre-operative planning. The ankle joint developing and pre-operative planning system developed in this study being a computer based with multimedia user interface, surgeons can utilize it as part of their preoperative planning and design parameters in searching for the best and most efficient operative procedure. This study establish simulation model of ankle joint, it not only can verified replacement interference for ankle joint prosthesis, but also can establish simulation model by measuring characteristic dimension from 2D X-ray film. This system has databank that can update and extend, will provide the clinical cases to different users for further study and learning.
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Books on the topic "Pre-operative planning"

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Osteosynthesefragen, Arbeitsgemeinschaft für. AO/ASIF pre-operative planning guide: Fracture fixation intertrochanteric osteotomies. [s.l.]: Association for the Study of Internal Fixation, 1989.

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Lim, Mui-Hong, and John Bartlett. Osteotomies around the knee. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.008004.

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♦ Osteotomy about the knee can correct deformity and alter the alignment of the knee in different planes.♦ Osteotomy of the knee is indicated for correction of alignment and offloading of affected compartment in osteoarthritis, instability, post cartilage repair and meniscectomy.♦ Pre-operative planning for osteotomy of the knee involves patient selection, clinical and radiological assessment to achieve the desired knee alignment.♦ Depending of the type of knee deformity, distal femoral or proximal osteotomy is indicated of the correction of the deformity.♦ Osteotomy of the knee has been shown to provide pain relief and improve function in majority of patient.
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Denison, Fiona C., and Alistair Milne. The obese parturient. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198713333.003.0039.

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Maternal obesity is the most common pre-existing morbidity in pregnant women in the United Kingdom. Obesity is associated with increased risk of maternal and offspring morbidity and mortality. Increased maternal morbidity is multifactorial. There is an increased incidence of coexisting medical conditions. Adverse physiological changes related to obesity also contribute to risk. In addition to this, there is an increased risk of many complications developing de novo during pregnancy. There are many practical and technical challenges for the multidisciplinary team that must be addressed in order to care for the morbidly obese parturient effectively. Many items of equipment designed for use with the morbidly obese will need to be available. Due to the complexity of their care and increased risks, all women with a body mass index over 40 kg/m2 should be seen prior to labour and delivery by an anaesthetist. This allows for timely planning of their care, involvement of appropriate personnel and equipment, and expectation management. The use of neuraxial analgesia and anaesthesia, whilst prone to increased technical difficulties and failure rates, has significant advantages for many morbidly obese parturients. There are many increased risks associated with general anaesthesia in the morbidly obese, but this may be the only option for operative delivery in some super morbidly obese parturients who cannot tolerate a tilted supine position. The care of the morbidly obese parturient is truly multidisciplinary which should be coordinated by a named consultant obstetrician.
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Book chapters on the topic "Pre-operative planning"

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McAfee, P. C. "Pre-Operative Planning." In The Artificial Disc, 95–102. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05347-8_9.

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Graham, E. J., and S. J. MacDonald. "Pre-operative planning for revision TKA." In The Knee Joint, 983–88. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-287-99353-4_93.

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Jacobs, Reinhilde, and Daniel van Steenberghe. "Imaging Procedures for Pre-Operative Assessment." In Radiographic Planning and Assessment of Endosseous Oral Implants, 7–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-80424-3_2.

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Kini, Sunil Gurpur. "Pre-operative Planning in Primary Total Knee Arthroplasty." In Knee Arthroplasty, 3–13. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8591-0_1.

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Hitchcock, Edward R., and Manuel G. Sotelo. "Pre-operative stereo-scanning for glioma treatment planning." In Biology of Brain Tumour, 251–60. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2297-9_34.

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Murphy, S. B., P. K. Kijewski, P. S. Walker, and R. D. Scott. "Computer-Assisted Pre-Operative Planning of Orthopedic Reconstructive Surgery." In Computer Assisted Radiology / Computergestützte Radiologie, 413–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-52247-5_64.

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Butz, Torsten, Simon K. Warfield, Kemal Tuncali, Stuart G. Silverman, Eric van Sonnenberg, Ferenc A. Jolesz, and Ron Kikinis. "Pre- and Intra-operative Planning and Simulation of Percutaneous Tumor Ablation." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2000, 317–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-540-40899-4_32.

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Lodi, Andrea, and Paolo Tubertini. "Pre-operative Activities and Operating Theater Planning in Emilia-Romagna, Italy." In Optimization in the Real World, 115–37. Tokyo: Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-55420-2_7.

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Lee, Simon, Asheesh Bedi, Shane J. Nho, and Alejandro A. Espinoza Orías. "Computer Guided Navigation and Pre-operative Planning for Arthroscopic Hip Surgery." In Computer-Assisted Musculoskeletal Surgery, 17–28. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-12943-3_3.

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De Buck, Stijn, Johan Van Cleynenbreugel, Guy Marchal, and Paul Suetens. "Towards visual matching as a way of transferring pre-operative surgery planning." In Eurographics, 249–58. Vienna: Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-7091-6783-0_25.

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Conference papers on the topic "Pre-operative planning"

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Michalikova, M., L. Bednarcikova, M. Petrik, R. Rasi, and J. Zivcak. "The digital pre-operative planning of total hip replacements." In 2010 IEEE 8th International Symposium on Applied Machine Intelligence and Informatics (SAMI 2010). IEEE, 2010. http://dx.doi.org/10.1109/sami.2010.5423720.

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Li, Senhu, Brian T. Lennon, Jon M. Waite, Logan W. Clements, Mike A. Scherer, and Jim D. Stefansic. "Liver surgery perspective: from pre-operative surgery planning to intra-operative image guided operation." In Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, edited by Jianguo Liu, Kunio Doi, Aaron Fenster, and S. C. Chan. SPIE, 2009. http://dx.doi.org/10.1117/12.834073.

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Haggerty, Christopher M., Diane A. de Zélicourt, Maria Restrepo, Jarek Rossignac, Thomas L. Spray, Kirk R. Kanter, Mark A. Fogel, and Ajit P. Yoganathan. "Comparing Pre-Operative Predictions and Post-Operative Fontan Hemodynamic Outcomes: Implications for Computer-Based Surgery Planning." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80267.

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Computer-based surgical planning of cardiothoracic surgery is a new paradigm that uses engineering tools to model and evaluate patient-specific surgical options and thus provide insights on the hemodynamic implications of a given design. In this study, the total cavopulmonary palliation of single ventricle defects serves as a test-bed for such techniques by comparing the output of pre-operative modeling to hemodynamic outcomes derived from post-operative imaging. The resulting accuracy of the models demonstrates that, despite the inherent challenges, surgical planning is a viable reality in single ventricle cardiothoracic surgery that can potentially deliver significant clinical impact.
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Roose, Liesbet, Wim De Maerteleire, Wouter Mollemans, Frederik Maes, and Paul Suetens. "Pre-operative simulation and post-operative validation of soft-tissue deformations for breast implantation planning." In Medical Imaging, edited by Kevin R. Cleary and Robert L. Galloway, Jr. SPIE, 2006. http://dx.doi.org/10.1117/12.648426.

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op den Buijs, J., M. Abayazid, C. L. de Korte, and S. Misra. "Target motion predictions for pre-operative planning during needle-based interventions." In 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2011. http://dx.doi.org/10.1109/iembs.2011.6091331.

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Morita, Kento, Manabu Nii, Shunichiro Kambara, Kaori Kashiwa, Hiroshi Nakayama, Shinichi Yoshiya, and Syoji Kobashi. "Clinical big image data based pre-operative planning in ACL reconstruction." In 2016 International Conference on Machine Learning and Cybernetics (ICMLC). IEEE, 2016. http://dx.doi.org/10.1109/icmlc.2016.7860871.

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Shapi'i, Azrulhizam, Anton Satria Prabuwono, Riza Sulaiman, Mohammad Khatim Hasan, and Abdul Yazid Mohd Kassim. "A conceptual framework for digital pre-operative planning in Total Hip Replacement." In 2012 International Conference on Biomedical Engineering (ICoBE). IEEE, 2012. http://dx.doi.org/10.1109/icobe.2012.6179030.

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Gamage, Pavan, Sheng Quan Xie, Patrice Delmas, and Wei Liang Xu. "Computer assisted 3D pre-operative planning tool for femur fracture orthopedic surgery." In SPIE Medical Imaging. SPIE, 2010. http://dx.doi.org/10.1117/12.844532.

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Cordes, Jeanette, Jana Dornheim, Bernhard Preim, Ilka Hertel, and Gero Strauss. "Pre-operative segmentation of neck CT datasets for the planning of neck dissections." In Medical Imaging, edited by Joseph M. Reinhardt and Josien P. W. Pluim. SPIE, 2006. http://dx.doi.org/10.1117/12.654157.

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Daemi, N., A. Ahmadian, A. Mirbagheri, A. H. Ahmadian, H. Saberi, F. Amidi, and J. Alirezaie. "Planning screw insertion trajectory in lumbar spinal fusion using pre-operative CT images." In 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2015. http://dx.doi.org/10.1109/embc.2015.7319181.

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