Articles de revues : « PreCICE »

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Paley, Dror. « PRECICE intramedullary limb lengthening system ». Expert Review of Medical Devices 12, n^o 3 (18 février 2015) : 231–49. http://dx.doi.org/10.1586/17434440.2015.1005604.

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NOMURA, Etsuji. « Introduction of DEXCS for preCICE ». Proceedings of The Computational Mechanics Conference 2021.34 (2021) : 275. http://dx.doi.org/10.1299/jsmecmd.2021.34.275.

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Chourdakis, Gerasimos, Kyle Davis, Benjamin Rodenberg, Miriam Schulte, Frédéric Simonis, Benjamin Uekermann, Georg Abrams et al. « preCICE v2 : A sustainable and user-friendly coupling library ». Open Research Europe 2 (29 avril 2022) : 51. http://dx.doi.org/10.12688/openreseurope.14445.1.

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preCICE is a free/open-source coupling library. It enables creating partitioned multi-physics simulations by gluing together separate software packages. This paper summarizes the development efforts in preCICE of the past five years. During this time span, we have turned the software from a working prototype -- sophisticated numerical coupling methods and scalability on ten thousands of compute cores -- to a sustainable and user-friendly software project with a steadily-growing community. Today, we know through forum discussions, conferences, workshops, and publications of more than 100 research groups using preCICE. We cover the fundamentals of the software alongside a performance and accuracy analysis of different data mapping methods. Afterwards, we describe ready-to-use integration with widely-used external simulation software packages, tests, and continuous integration from unit to system level, and community building measures, drawing an overview of the current preCICE ecosystem.

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Chourdakis, Gerasimos, Kyle Davis, Benjamin Rodenberg, Miriam Schulte, Frédéric Simonis, Benjamin Uekermann, Georg Abrams et al. « preCICE v2 : A sustainable and user-friendly coupling library ». Open Research Europe 2 (30 septembre 2022) : 51. http://dx.doi.org/10.12688/openreseurope.14445.2.

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preCICE is a free/open-source coupling library. It enables creating partitioned multi-physics simulations by gluing together separate software packages. This paper summarizes the development efforts in preCICE of the past five years. During this time span, we have turned the software from a working prototype -- sophisticated numerical coupling methods and scalability on ten thousands of compute cores -- to a sustainable and user-friendly software project with a steadily-growing community. Today, we know through forum discussions, conferences, workshops, and publications of more than 100 research groups using preCICE. We cover the fundamentals of the software alongside a performance and accuracy analysis of different data mapping methods. Afterwards, we describe ready-to-use integration with widely-used external simulation software packages, tests, and continuous integration from unit to system level, and community building measures, drawing an overview of the current preCICE ecosystem.

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Schiedel, Frank M., Björn Vogt, Henning L. Tretow, Britta Schuhknecht, Georg Gosheger, Melanie J. Horter et Robert Rödl. « How precise is the PRECICE compared to the ISKD in intramedullary limb lengthening ? » Acta Orthopaedica 85, n^o 3 (23 avril 2014) : 293–98. http://dx.doi.org/10.3109/17453674.2014.913955.

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Vogt, Bjoern, Carolin Rupp, Georg Gosheger, Maria Eveslage, Andrea Laufer, Gregor Toporowski, Robert Roedl et Adrien Frommer. « A clinical and radiological matched-pair analysis of patients treated with the PRECICE and STRYDE magnetically driven motorized intramedullary lengthening nails ». Bone & ; Joint Journal 105-B, n^o 1 (1 janvier 2023) : 88–96. http://dx.doi.org/10.1302/0301-620x.105b1.bjj-2022-0755.r1.

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Aims Distraction osteogenesis with intramedullary lengthening devices has undergone rapid development in the past decade with implant enhancement. In this first single-centre matched-pair analysis we focus on the comparison of treatment with the PRECICE and STRYDE intramedullary lengthening devices and aim to clarify any clinical and radiological differences. Methods A single-centre 2:1 matched-pair retrospective analysis of 42 patients treated with the STRYDE and 82 patients treated with the PRECICE nail between May 2013 and November 2020 was conducted. Clinical and lengthening parameters were compared while focusing radiological assessment on osseous alterations related to the nail’s telescopic junction and locking bolts at four different stages. Results Osteolysis next to the telescopic junction was observed in 31/48 segments (65%) lengthened with the STRYDE nail before implant removal compared to 1/91 segment (1%) in the PRECICE cohort. In the STRYDE cohort, osteolysis initially increased, but decreased or resolved in almost all lengthened segments (86%) after implant removal. Implant failure was observed in 9/48 STRYDE (19%) and in 8/92 PRECICE nails (9%). Breakage of the distal locking bolts was found in 5/48 STRYDE nails (10%) compared to none in the PRECICE cohort. Treatment-associated pain was generally recorded as mild and found in 30/48 patients (63%) and 39/92 (42%) in the STRYDE and PRECICE cohorts, respectively. Temporary range of motion (ROM) limitations under distraction were registered in 17/48 (35%) segments treated with the STRYDE and 35/92 segments (38%) treated with the PRECICE nail. Conclusion Osteolysis and periosteal reaction, implant breakage, and pain during lengthening and consolidation is more likely in patients treated with the STRYDE nail compared to the PRECICE nail. Temporary ROM limitations during lengthening occurred independent of the applied device. Implant-related osseous alterations seem to remodel after implant removal. Cite this article: Bone Joint J 2023;105-B(1):88–96.

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Al Ramlawi, Akram, Michael Assayag et Philip McClure. « PRECICE nail bending in femur lengthening ». Journal of Orthopaedics 56 (octobre 2024) : 127–32. http://dx.doi.org/10.1016/j.jor.2024.05.018.

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Calder, Peter, Sally Elizabeth Wright et William David Goodier. « Regenerate Deformity with the Precice Tibial Nail ». Strategies in Trauma and Limb Reconstruction 15, n^o 2 (2020) : 98–105. http://dx.doi.org/10.5005/jp-journals-10080-1457.

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Tomaszewski, Ryszard, Łukasz Wiktor, Jacek Kler, Karol Pethe et Artur Gap. « Results of Femoral Elongation Treatment Using Electromagnetic Intramedullary Nail. Preliminary Report ». Ortopedia Traumatologia Rehabilitacja 22, n^o 3 (30 juin 2020) : 173–79. http://dx.doi.org/10.5604/01.3001.0014.3233.

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Background. Surgical correction of lower limb discrepancy in children poses a significant clinical problem. The aim of this paper is to present our experience with the PRECICE electromagnetic intramedullary nail. Materials and methods. The study group consisted of 5 patients (2 girls; 3 boys) aged 11.5 to 18 years (mean age 16.3) treated for lower limb discrepancy by femoral lengthening using the PRECICE nail intramedullary system. Average discrepancy was 63 mm (range: 45–74.5 mm). Results. Femoral lengthening was successful in all patients. The femur was lengthened by a mean of 49 mm (range: 40–58 mm). A knee flexion contracture of about 10° occurred in one patient. Conclusions. 1. Femoral lengthening in children poses a therapeutic challenge. 2. The PRECICE intramedullary nail system helps reduce complications and increases patient comfort.

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Campanacci, Laura, Luca Cevolani, Marco Focaccia, Giovanni Luigi Di Gennaro, Barbara Dozza, Eric Staals, Federica Zuccheri, Giuseppe Bianchi, Davide Maria Donati et Marco Manfrini. « Lengthening Patients Previously Treated for Massive Lower Limb Reconstruction for Bone Tumors with the PRECICE 2 Nail ». Children 10, n^o 11 (31 octobre 2023) : 1772. http://dx.doi.org/10.3390/children10111772.

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The objective of this study was to determine the efficacy of the PRECICE 2® nail in the treatment of lower limb length discrepancy in patients with a history of bone tumors. This study reports on outcomes, complications, and the safety of the PRECICE 2 limb lengthening nail in a cohort of pediatric patients with limb length discrepancy after surgery for bone tumors. Seventeen patients were treated with intramedullary magnetic nails. The average patient age at the time of surgery was 19 (range 11–32). The PRECICE 2 nail was used on 14 femurs (6 retrograde and 8 anterograde) and 3 tibias. The average consolidation time was 141 days (range 50–360) with a mean CI of 31 ± 12 days/cm. The ASAMI bone score showed 14 (82%) excellent results, 1 (6%) good result, and 2 (12%) poor results. The ASAMI functional score showed 13 (84.6%) excellent results, 3 (11.5%) good results, and 1 (3.8%) fair result. Patients treated with chemotherapy for bone cancer did not show any increase in distraction time or consolidation time. A total of 3 (17%) problems, 1 obstacle (5.5%), and 1 complication (5.5%) were encountered in our case series. The PRECICE 2 nail allows for effective and accurate lengthening preserving the range of motion in patients treated for bone tumors.

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Radler, Christof, Gabriel T. Mindler, Alexandra Stauffer, Carina Weiß et Rudolf Ganger. « Correction of post-traumatic lower-limb discrepancy with Precice intramedullary lengthening nails : a review of 34 adults with an average follow-up of 2 years ». Acta Orthopaedica 93 (2 septembre 2022) : 696–702. http://dx.doi.org/10.2340/17453674.2022.4513.

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Background and purpose: We report results and complications of gradual bone lengthening for post-traumatic lower-limb length discrepancy (LLD) with Precice intramedullary lengthening nails in 34 adults.Patients and methods: Inclusion criteria were lower-limb lengthening using the Precice nail, posttraumatic etiology, age older than 18 years, and minimum follow-up of 12 months after implantation. 34 patients met the inclusion criteria. Radiological and clinical outcome data were collected.Results: Precice lengthening was performed in the femur in 28 patients (21 antegrade, 7 retrograde) and in the tibia in 6. Mean patient age at time of surgery was 32 years (18–72). Mean preoperative LLD was 31 mm (20–71). Acute correction of axial or rotational malalignment was performed in 11 segments. At final follow-up (mean 2 years [1.1–3.6]), 33 of 34 nails had been removed. All lengthening sites were healed, and all patients mobilized with full weight-bearing. 14 adverse events occurred in 11 patients and were categorized as problems (n = 5), obstacles (n = 3), and complications (n = 6). Unplanned surgery was necessary in 7 patients, 3 of whom did not complete treatment with Precice.Interpretation: Correction of posttraumatic LLD with or without axial malalignment using Precice intramedullary lengthening nails is associated with a low number of complications and good functional outcome. However, one-fifth of patients in this series needed further unplanned surgery for revision of obstacles or complications.

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Karakoyun, Ozgur, Sami Sokucu, Mehmet Fatih Erol, Metin Kucukkaya et Yavuz Selim Kabukcuoglu. « Use of a Magnetic Bone Nail for Lengthening of the Femur and Tibia ». Journal of Orthopaedic Surgery 24, n^o 3 (décembre 2016) : 374–78. http://dx.doi.org/10.1177/1602400321.

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Purpose To report our experience with the PRECICE nail for limb lengthening in 23 patients. Methods Records of 15 female and 8 male patients aged 14 to 38 (mean, 23.6) years who underwent lengthening of the tibia (n=6) or femur (n=21) using the PRECICE nail were reviewed. The reasons for lengthening included trauma (n=7), hemihypertrophy (n=2), focal femoral deficiency (n=2), Ellis-van Creveld syndrome (n=1), hip septic arthritis sequelae (n=1), hereditary multiple exostosis (n=1), club foot sequela (n=1), congenital tibial pseudoarthrosis (n=1), fibrous dysplasia (n=1), idiopathic limb length discrepancy (n=7), and cosmetic (n=1). Results The mean follow-up duration was 20.72 months. The mean lengthening was 48.20 mm, and the mean acute angular correction was 15.5°. The mean time to full weight-bearing was 5.15 months, and the mean consolidation index was 1.12 months/cm. The mean maturation index was 0.78 months/cm. One patient had nail breakage during the consolidation phase. The nail was replaced by an intramedullary nail until consolidation, after which another PRECICE nail was used to treat the residual shortening. Eight patients had over-lengthening and the nails were driven back to the desired length. No patient had infection. Conclusion The PRECICE nail is a viable option for lengthening of the femur and tibia.

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Panagiotopoulou, V. C., K. Davda, H. S. Hothi, J. Henckel, A. Cerquiglini, W. D. Goodier, J. Skinner, A. Hart et P. R. Calder. « A retrieval analysis of the Precice intramedullary limb lengthening system ». Bone & ; Joint Research 7, n^o 7 (juillet 2018) : 476–84. http://dx.doi.org/10.1302/2046-3758.77.bjr-2017-0359.r1.

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Objectives The Precice nail is the latest intramedullary lengthening nail with excellent early outcomes. Implant complications have led to modification of the nail design. The aim of this study was to perform a retrieval study of Precice nails following lower-limb lengthening and to assess macroscopical and microscopical changes to the implants and evaluate differences following design modification, with the aim of identifying potential surgical, implant, and patient risk factors. Methods A total of 15 nails were retrieved from 13 patients following lower-limb lengthening. Macroscopical and microscopical surface damage to the nails were identified. Further analysis included radiology and micro-CT prior to sectioning. The internal mechanism was then analyzed with scanning electron microscopy and energy dispersive x-ray spectroscopy to identify corrosion. Results Seven male and three female patients underwent 12 femoral lengthenings. Three female patients underwent tibial lengthening. All patients obtained the desired length with no implant failure. Surface degradation was noted on the telescopic part of every nail design, less on the latest implants. Microscopical analysis confirmed fretting and pitting corrosion. Following sectioning, black debris was noted in all implants. The early designs were found to have fractured actuator pins and the pin and bearings showed evidence of corrosive debris. The latest designs showed evidence of biological deposits suggestive of fluid ingress within the nail but no corrosion. Conclusion This study confirms less internal corrosion following modification, but evidence of titanium debris remains. We recommend no change to current clinical practice. However, potential reuse of the Precice nail, for secondary limb lengthening in the same patient, should be undertaken with caution. Cite this article: V. C. Panagiotopoulou, K. Davda, H. S. Hothi, J. Henckel, A. Cerquiglini, W. D. Goodier, J. Skinner, A. Hart, P. R. Calder. A retrieval analysis of the Precice intramedullary limb lengthening system. Bone Joint Res 2018;7:476–484. DOI: 10.1302/2046-3758.77.BJR-2017-0359.R1.

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Rodenberg, Benjamin, Ishaan Desai, Richard Hertrich, Alexander Jaust et Benjamin Uekermann. « FEniCS–preCICE : Coupling FEniCS to other simulation software ». SoftwareX 16 (décembre 2021) : 100807. http://dx.doi.org/10.1016/j.softx.2021.100807.

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Paley, Dror, Kevin Debiparshad, Halil Balci, Walter Windisch et Craig Lichtblau. « Stature Lengthening Using the PRECICE Intramedullary Lengthening Nail ». Techniques in Orthopaedics 30, n^o 3 (septembre 2015) : 167–82. http://dx.doi.org/10.1097/bto.0000000000000140.

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Hammouda, Ahmed I., Shawn C. Standard, S. Robert Rozbruch et John E. Herzenberg. « Humeral Lengthening with the PRECICE Magnetic Lengthening Nail ». HSS Journal ® 13, n^o 3 (21 avril 2017) : 217–23. http://dx.doi.org/10.1007/s11420-017-9552-x.

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Kurtz, Anton M., et S. Robert Rozbruch. « Humerus Lengthening With the PRECICE Internal Lengthening Nail ». Journal of Pediatric Orthopaedics 37, n^o 4 (juin 2017) : e296-e300. http://dx.doi.org/10.1097/bpo.0000000000000941.

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Foong, Bryan, Vasiliki-Christina Panagiotopoulou, Harry S. Hothi, Johann Henckel, Peter R. Calder, David W. Goodier et Alister J. Hart. « Assessment of material loss of retrieved magnetically controlled implants for limb lengthening ». Proceedings of the Institution of Mechanical Engineers, Part H : Journal of Engineering in Medicine 232, n^o 11 (11 octobre 2018) : 1129–36. http://dx.doi.org/10.1177/0954411918806329.

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Purpose: We aimed to understand wear from the telescopic component of PRECICE nails, which are used for distraction osteogenesis of the femur or tibia. We also aimed to identify any correlation between implant performance and patient factors. Methods: This retrieval study involved 11 magnetically controlled intramedullary nails from nine patients who had achieved the targeted leg length. All the nails were assessed macroscopically and microscopically for wear. All implants were radiographed to assess the internal mechanism. A Talyrond 365 (Taylor Hobson, Leicester, UK) roundness measuring machine was used to generate three-dimensional surface maps of the telescopic components to allow for measurement of wear. Results: Visual assessment of all the nails showed evidence of wear from the telescopic component. The radiographs revealed that all the nails had intact internal mechanism and no evidence of fractured pins. The roundness measuring machine showed that the quantity of wear was lowest in the latest design of the PRECICE nail. There was no significant correlation between wear and the two patient factors (duration of the lengthening phase, the time of implantation) included in this study. Conclusion: This study is the first to investigate the performance of the three different designs of the PRECICE system with a focus on wear. We found that the latest design had the best implant performance. We are confident of the continued success of the PRECICE system and reassure surgeons and patients that they are unlikely to encounter problems with the implant related to wear.

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Chourdakis, Gerasimos, David Schneider et Benjamin Uekermann. « OpenFOAM-preCICE : Coupling OpenFOAM with External Solvers for Multi-Physics Simulations ». OpenFOAM® Journal 3 (27 février 2023) : 1–25. http://dx.doi.org/10.51560/ofj.v3.88.

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Multi-physics simulations, such as conjugate heat transfer or fluid-structure interaction, are often constructed completely in OpenFOAM. However, they can also be formed by coupling OpenFOAM to third-party simulation software via a coupling tool. This approach indirectly adds to the capabilities of OpenFOAM those of other simulation tools (such as physical models or discretization methods more fitting for specific applications), and allows building complex multi-physics simulations by connecting specialized single-physics codes. We present the OpenFOAM-preCICE adapter, a function object that enables standard OpenFOAM solvers to use the open-source, massively parallel coupling library preCICE, without requiring any code modifications. We review alternative coupling approaches, analyze our design decisions, peek into key implementation details, validate the adapter, study the effect on runtime, and give an overview of the growing community of users and contributors.

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Kariksiz, Mesut, et Ozgur Karakoyun. « Limb lengthening with one Precice nail over its capacity ». Saudi Medical Journal 40, n^o 10 (6 octobre 2019) : 1058–62. http://dx.doi.org/10.15537/smj.2019.10.24019.

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Calder, Peter R., Joseph E. McKay, Anna J. Timms, Tracy Roskrow, Sharon Fugazzotto, Penina Edel et W. D. Goodier. « Femoral lengthening using the Precice intramedullary limb-lengthening system ». Bone & ; Joint Journal 101-B, n^o 9 (septembre 2019) : 1168–76. http://dx.doi.org/10.1302/0301-620x.101b9.bjj-2018-1271.r1.

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Aims The Precice intramedullary limb-lengthening system has demonstrated significant benefits over external fixation lengthening methods, leading to a paradigm shift in limb lengthening. This study compares outcomes following antegrade and retrograde femoral lengthening in both adolescent and adult patients. Patients and Methods A retrospective review of prospectively collected data was undertaken of a consecutive series of 107 femoral lengthening operations in 92 patients. In total, 73 antegrade nails and 34 retrograde nails were inserted. Outcome was assessed by the regenerate healing index (HI), hip and knee range of movement (ROM), and the presence of any complications. Results The mean lengthening was 4.65 cm (1.5 to 8) in the antegrade group and 4.64 cm (1.6 to 8) in the retrograde group. Of the 107 lengthenings, 100 had sufficient datapoints to calculate the mean HI. This was 31.6 days/cm (15 to 108). There was a trend toward a lower (better) HI with an antegrade nail and better outcomes in adolescent patients, but these were not statistically significant. Hip and knee ROM was maintained and/or improved following commencement of femoral lengthening in 44 patients (60%) of antegrade nails and 13 patients (38%) of retrograde nails. In female patients, loss of movement occurred both earlier and following less total length achieved. Minor implant complications included locking bolt migration and in one patient deformity of the nail, but no implant failed to lengthen and there were no deep infections. Three patients had delayed union, five patients required surgical intervention for joint contracture. Conclusion This study confirms excellent results in femoral lengthening with antegrade and retrograde Precice nails. There is a trend for better healing and less restriction in hip and knee movement following antegrade nails. There are clinical scenarios, that mandate the use of a retrograde nail. However, when these are not present, we recommend the use of antegrade nailing. Cite this article: Bone Joint J 2019;101-B:1168–1176

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Kirane, Yatin M., Austin T. Fragomen et S. Robert Rozbruch. « Precision of the PRECICE® Internal Bone Lengthening Nail ». Clinical Orthopaedics and Related Research® 472, n^o 12 (28 mars 2014) : 3869–78. http://dx.doi.org/10.1007/s11999-014-3575-0.

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Shams, Mosayeb, et Ahmed H. Elsheikh. « Gym-preCICE : Reinforcement learning environments for active flow control ». SoftwareX 23 (juillet 2023) : 101446. http://dx.doi.org/10.1016/j.softx.2023.101446.

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Totounferoush, Amin, Frédéric Simonis, Benjamin Uekermann et Miriam Schulte. « Efficient and Scalable Initialization of Partitioned Coupled Simulations with preCICE ». Algorithms 14, n^o 6 (27 mai 2021) : 166. http://dx.doi.org/10.3390/a14060166.

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preCICE is an open-source library, that provides comprehensive functionality to couple independent parallelized solver codes to establish a partitioned multi-physics multi-code simulation environment. For data communication between the respective executables at runtime, it implements a peer-to-peer concept, which renders the computational cost of the coupling per time step negligible compared to the typical run time of the coupled codes. To initialize the peer-to-peer coupling, the mesh partitions of the respective solvers need to be compared to determine the point-to-point communication channels between the processes of both codes. This initialization effort can become a limiting factor, if we either reach memory limits or if we have to re-initialize communication relations in every time step. In this contribution, we remove two remaining bottlenecks: (i) We base the neighborhood search between mesh entities of two solvers on a tree data structure to avoid quadratic complexity, and (ii) we replace the sequential gather-scatter comparison of both mesh partitions by a two-level approach that first compares bounding boxes around mesh partitions in a sequential manner, subsequently establishes pairwise communication between processes of the two solvers, and finally compares mesh partitions between connected processes in parallel. We show, that the two-level initialization method is fives times faster than the old one-level scheme on 24,567 CPU-cores using a mesh with 628,898 vertices. In addition, the two-level scheme is able to handle much larger computational meshes, since the central mesh communication of the one-level scheme is replaced with a fully point-to-point mesh communication scheme.

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Gardner, Matthew P., et Austin M. Beason. « Plate-Assisted Bone Segment Transport Versus Precice Bone Transport Nail ». Journal of Orthopaedic Trauma 35, n^o 4 (octobre 2021) : S19—S24. http://dx.doi.org/10.1097/bot.0000000000002123.

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Fragomen, Austin T. « Compression of Nonunions With the PRECICE Magnetic Intramedullary Compression Nail ». Techniques in Orthopaedics 35, n^o 3 (22 avril 2020) : 214–18. http://dx.doi.org/10.1097/bto.0000000000000457.

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Bungartz, Hans-Joachim, Florian Lindner, Bernhard Gatzhammer, Miriam Mehl, Klaudius Scheufele, Alexander Shukaev et Benjamin Uekermann. « preCICE – A fully parallel library for multi-physics surface coupling ». Computers & ; Fluids 141 (décembre 2016) : 250–58. http://dx.doi.org/10.1016/j.compfluid.2016.04.003.

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Radler, Christof, Gabriel T. Mindler, Alexandra Stauffer, Carina Weiß et Rudolf Ganger. « Limb Lengthening With Precice Intramedullary Lengthening Nails in Children and Adolescents ». Journal of Pediatric Orthopaedics 42, n^o 2 (18 novembre 2021) : e192-e200. http://dx.doi.org/10.1097/bpo.0000000000002016.

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Morrison, Todd A., et John K. Sontich. « Premature Consolidation with Resultant Implant Failure Using PRECICE Femoral Nail Lengthening ». JBJS Case Connector 6, n^o 1 (13 janvier 2016) : e2. http://dx.doi.org/10.2106/jbjs.cc.o.00059.

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Cosic, Filip, et Elton Edwards. « PRECICE intramedullary nail in the treatment of adult leg length discrepancy ». Injury 51, n^o 4 (avril 2020) : 1091–96. http://dx.doi.org/10.1016/j.injury.2020.03.004.

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Alrabai, Hamza M. « Breakage of a re-activated PRECICE® nail : A case report ». International Journal of Surgery Case Reports 106 (mai 2023) : 108182. http://dx.doi.org/10.1016/j.ijscr.2023.108182.

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Schneider, David, Muhammed Kürşat Yurt, Frédéric Simonis et Benjamin Uekermann. « ASTE : An artificial solver testing environment for partitioned coupling with preCICE ». Journal of Open Source Software 9, n^o 103 (14 novembre 2024) : 7127. http://dx.doi.org/10.21105/joss.07127.

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Geffner, AdamD, TaylorJ Reif, AustinT Fragomen et SRobert Rozbruch. « Use and safety of the precice antegrade femoral nail in pediatric patients ». Journal of Limb Lengthening & ; Reconstruction 8, n^o 1 (2022) : 12. http://dx.doi.org/10.4103/jllr.jllr_12_22.

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Herzenberg, JohnE, AhmedI Hammouda, VivianL Szymczuk, MartinG Gesheff, NequeshaS Mohamed, JanetD Conway, ShawnC Standard et PhilipK McClure. « Acute deformity correction and lengthening using the PRECICE magnetic intramedullary lengthening nail ». Journal of Limb Lengthening and Reconstruction 6, n^o 1 (2020) : 20. http://dx.doi.org/10.4103/jllr.jllr_6_20.

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Masci, Giulia, Osvaldo Palmacci, Raffaele Vitiello, Nadia Bonfiglio, Maria Beatrice Bocchi, Valerio Cipolloni, Giulio Maccauro et Enrico Pola. « Limb lengthening with PRECICE magnetic nail in pediatric patients : A systematic review ». World Journal of Orthopedics 12, n^o 8 (18 août 2021) : 575–83. http://dx.doi.org/10.5312/wjo.v12.i8.575.

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Freitas, Joana, André Couto, Nuno Alegrete, Jorge Coutinho et Gilberto Costa. « Two consecutive limb lengthenings with the same PRECICE nail : a technical note ». Strategies in Trauma and Limb Reconstruction 13, n^o 3 (19 septembre 2018) : 199–204. http://dx.doi.org/10.1007/s11751-018-0317-y.

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Wade, Anna, Yvonne Devane, Niamh Nowlan, Thomas Donnelly et Connor Green. « IS METALLOSIS AN ISSUE IN INTERNAL LENGTHENING ? » Orthopaedic Proceedings 105-B, SUPP_10 (1 juin 2023) : 21. http://dx.doi.org/10.1302/1358-992x.2023.10.021.

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IntroductionThere is no doubt that the future of limb lengthening lies with internal lengthening. Complication rates are reduced and patient satisfaction is increased. The evolution of internal lengthening peaked with the dual direction, easily inserted and externally controlled PRECICE Nail. It has excelled in performance in accuracy and satisfaction. Its versatility increased with smaller sizes and increased excursion. A field safety notice was issued was issued in October 2021 by the parent company NuVasive. The advice was monitoring of current cases and a hold on implantation until after a review of process. At the National Orthopaedic Hospital Cappagh we elected to remove all implanted nails and assess the nail integrity and physiological changes associated with implantation.Materials & MethodsAll patients in who a retained Precice nail at the time of the field safety notice were identified. Patients and families were contacted to explain the issued safety notice from the company and explain that we would be scheduling them for nail removal. This was part of our standard care but we prioritised this group on our waiting list. Consent was obtained for nail removal but also for histological assessment of canal scrapings, blood ion level analysis and independent assessment of the retrieved nail by our academic collaborators at University College Dublin. Ion levels were then repeated at an interval post removal with consent.ResultsWe identified 7 Precice nails in 5 patients still implanted. All patients had consolidated after lengthening and were ready for nail removal. Elevated Titanium blood ion levels were identified at the time of retrieval. Histological abnormalities consistent with metalosis were identified. In all cases the nail was grossly intact and examination of the motor showed no evidence of wear or failure. Follow up ion levels obtained post retrieval showed persistent elevation.ConclusionsOur retrieval audit shows persistent elevation of Titanium ion levels and abnormal histology despite apparent nail integrity. These findings require further evaluation in a larger retrieval series to determine if there is a high incidence of this phenomenon and if ion levels have a clinical effect.

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Iobst, Christopher A., et Anirejouritse Bafor. « Retrograde Extramedullary Lengthening of the Femur Using the PRECICE Nail : Technique and Results ». Journal of Pediatric Orthopaedics 41, n^o 6 (1 avril 2021) : 356–61. http://dx.doi.org/10.1097/bpo.0000000000001831.

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Bafor, Anirejuoritse, Søren Kold, Christopher Iobst, Ole Rahbek, Markus W. Frost et Molly Duncan. « Complications in Elective Removal of 271 Bone Lengthening Nails (FITBONE, PRECICE and STRYDE) ». Strategies in Trauma and Limb Reconstruction 16, n^o 2 (27 octobre 2021) : 110–15. http://dx.doi.org/10.5005/jp-journals-10080-1529.

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Frommer, Adrien, Robert Roedl, Georg Gosheger, Julian Hasselmann, Cordula Fuest, Gregor Toporowski, Andrea Laufer, Henning Tretow, Martin Schulze et Bjoern Vogt. « Focal osteolysis and corrosion at the junction of Precice Stryde intramedullary lengthening device ». Bone & ; Joint Research 10, n^o 7 (1 juillet 2021) : 425–36. http://dx.doi.org/10.1302/2046-3758.107.bjr-2021-0146.r1.

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Aims This study aims to enhance understanding of clinical and radiological consequences and involved mechanisms that led to corrosion of the Precice Stryde (Stryde) intramedullary lengthening nail in the post market surveillance era of the device. Between 2018 and 2021 more than 2,000 Stryde nails have been implanted worldwide. However, the outcome of treatment with the Stryde system is insufficiently reported. Methods This is a retrospective single-centre study analyzing outcome of 57 consecutive lengthening procedures performed with the Stryde nail at the authors’ institution from February 2019 until November 2020. Macro- and microscopic metallographic analysis of four retrieved nails was conducted. To investigate observed corrosion at telescoping junction, scanning electron microscopy (SEM) and energy dispersive x-ray spectroscopy (EDX) were performed. Results Adjacent to the nail’s telescoping junction, osteolytic changes were observed in bi-planar radiographs of 20/57 segments (35%) after a mean of 9.5 months (95% confidence interval 7.2 to 11.9) after surgery. A total of 8/20 patients with osseous alterations (40%) reported rest and ambulation pain of the lengthened segment during consolidation. So far, 24 Stryde nails were retrieved and in 20 (83%) macroscopic corrosion was observed at the nail’s telescoping junction. Before implant removal 11/20 radiographs (55%) of lengthened segments with these 20 nails revealed osteolysis. Implant retrieval analysis by means of SEM showed pitting and crevice corrosion. EDX detected chromium as the main metallic element of corrosion. Conclusion Patients are exposed to the risk of implant-related osteolysis of unclear short- and long-term clinical consequences. The authors advocate in favour of an early implant removal after osseous consolidation. Cite this article: Bone Joint Res 2021;10(7):425–436.

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Hidden, Krystin A., Mark T. Dahl et Thuan V. Ly. « Management of a Broken PRECICE Femoral Nail at an Ununited Distraction Osteogenesis Site ». JBJS Case Connector 10, n^o 1 (2020) : e0267-e0267. http://dx.doi.org/10.2106/jbjs.cc.19.00267.

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Fragomen, Austin T., David Wellman et S. Robert Rozbruch. « The PRECICE magnetic IM compression nail for long bone nonunions : a preliminary report ». Archives of Orthopaedic and Trauma Surgery 139, n^o 11 (19 juin 2019) : 1551–60. http://dx.doi.org/10.1007/s00402-019-03225-4.

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KOBAYASHI, Yuya, et Ryoichi SHIBATA. « Fundamental Study on Fluid-Structure Interaction Analysis by Separated Coupled Analysis Tool preCICE ». Proceedings of The Computational Mechanics Conference 2019.32 (2019) : 084. http://dx.doi.org/10.1299/jsmecmd.2019.32.084.

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Hammouda, Ahmed I., Julio J. Jauregui, Martin G. Gesheff, Shawn C. Standard, Janet D. Conway et John E. Herzenberg. « Treatment of Post-Traumatic Femoral Discrepancy With PRECICE Magnetic-Powered Intramedullary Lengthening Nails ». Journal of Orthopaedic Trauma 31, n^o 7 (juillet 2017) : 369–74. http://dx.doi.org/10.1097/bot.0000000000000828.

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Schmidt, Patrick, Alexander Jaust, Holger Steeb et Miriam Schulte. « Simulation of flow in deformable fractures using a quasi-Newton based partitioned coupling approach ». Computational Geosciences 26, n^o 2 (20 janvier 2022) : 381–400. http://dx.doi.org/10.1007/s10596-021-10120-8.

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AbstractWe introduce a partitioned coupling approach for iterative coupling of flow processes in deformable fractures embedded in a poro-elastic medium that is enhanced by interface quasi-Newton (IQN) methods. In this scope, a unique computational decomposition into a fracture flow and a poro-elastic domain is developed, where communication and numerical coupling of the individual solvers are realized by consulting the open-source library preCICE. The underlying physical problem is introduced by a brief derivation of the governing equations and interface conditions of fracture flow and poro-elastic domain followed by a detailed discussion of the partitioned coupling scheme. We evaluate the proposed implementation and undertake a convergence study to compare a classical interface quasi-Newton inverse least-squares (IQN-ILS) with the more advanced interface quasi-Newton inverse multi-vector Jacobian (IQN-IMVJ) method. These coupling approaches are verified for an academic test case before the generality of the proposed strategy is demonstrated by simulations of two complex fracture networks. In contrast to the development of specific solvers, we promote the simplicity and computational efficiency of the proposed partitioned coupling approach using preCICE and FEniCS for parallel computations of hydro-mechanical processes in complex, three-dimensional fracture networks.

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Frost, Markus W., Ole Rahbek, Christopher Iobst, Anirejuoritse Bafor, Molly Duncan et Søren Kold. « Complications and risk factors of intramedullary bone lengthening nails : a retrospective multicenter cohort study of 314 FITBONE and PRECICE nails ». Acta Orthopaedica 94 (17 février 2023) : 51–59. http://dx.doi.org/10.2340/17453674.2023.8479.

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Background and purpose: Intramedullary bone-lengthening nails have become increasingly popular. The 2 most used and successful nails are the FITBONE and the PRECICE nails. Uniform reporting is lacking on complications of intramedullary bone-lengthening nails. The purpose was therefore to assess and categorize the complications of lower limb bone-lengthening nails and investigate risk factors.Patients and methods: We performed a retrospective review of patients operated on with intramedullary lengthening nails at 2 hospitals. We included only lower limb lengthening with FITBONE and PRECICE nails. Recorded patient data was patient demographics, nail information, and any complication. Complications were graded according to severity and origin classification. Complication risk factors were assessed with modified Poisson regression.Results: 314 segments in 257 patients were included. The FITBONE nail was predominantly used (75%), and most of the lengthenings were performed in the femur (80%). 53% of the patients had complications. 269 complications were identified in 175 segments (144 patients). Device-related complications were most frequent (0.3 complications/segment), followed by joint complications (0.2 complications/segment). An increased relative risk was found for complications in the tibia compared with the femur and for age groups above 30 years compared with the 10–19 years group. Conclusion: Complications with intramedullary bone lengthening nails were more frequent than has previously been reported, with 53% of patients sustaining a complication. Future studies need to document the complications meticulously so that the true risk can be established.

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Brinker, Mark R., Aslan Amirian, Daniel P. O'Connor et Mitzi S. Laughlin. « Efficacy of PRECICE Nail in Treatment of Adult Patients With Posttraumatic Femoral Leg Length Discrepancy ». Journal of Orthopaedic Trauma 35, n^o 8 (août 2021) : e304-e308. http://dx.doi.org/10.1097/bot.0000000000002000.

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Wagner, Pablo, Rolf D. Burghardt, Stuart A. Green, Stacy C. Specht, Shawn C. Standard et John E. Herzenberg. « PRECICE®magnetically-driven, telescopic, intramedullary lengthening nail : pre-clinical testing and first 30 patients ». SICOT-J 3 (2017) : 19. http://dx.doi.org/10.1051/sicotj/2016048.

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Marquina, V., B. Novoa, P. Badía, P. Jover, F. Jara et L. Hernández. « Primera serie de casos de alargamiento femoral mediante clavo intramedular Precice® en nuestro centro ». Acta Ortopédica Mexicana 36, n^o 2 (2022) : 97–103. http://dx.doi.org/10.35366/108124.

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Caccia, C. G., M. Corti, A. Della Torre et P. Masarati. « Backward facing step : from fluid flow to conjugate heat transfer with the coupling library preCICE ». IOP Conference Series : Materials Science and Engineering 1312, n^o 1 (1 août 2024) : 012007. http://dx.doi.org/10.1088/1757-899x/1312/1/012007.

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Abstract The Backward Facing Step geometry is a widely used benchmark problem in Computational Fluid Dynamics literature that is exploitable to validate models, solution methods, and software implementations. Despite a simple geometry, it shows phenomena like separation, reattachment, and re-circulation zones, under different flow conditions (i.e. different Reynolds number or turbulence parameters) it gives different measurable results, suitable for benchmarking activities [1]. Also regarding heat transfer analysis, the backward facing step can be used to investigate a wide variety of operating conditions (both for simple heat transfer cases and coupling heat transfer between the fluid region and a neighboring solid region giving rise to a more complex conjugate heat transfer model) [2]. This work uses the backward facing step as a test case to validate a numerical model built with the open-source Software OpenFOAM 10. The fluid and solid subdomains are connected through the open-source coupling library preCICE [3]. The results, taken from simulations carried out by the authors, show good agreement with the data available in the literature.

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