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The Use of Prefabricated 3D Printed PEEK Implants for Repair of Skull Defects
2022
The Medical journal of Cairo University
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Patients and Methods: The study included 20 patients with skull defects >4cm in diameter operated upon by cranioplasty using prefabricated 3D printed PEEK implants in the period from March 2017 to April ...
Aim of Study: To evaluate the use of prefabricated customized 3D printed implants for cranioplasty of skull defects >4cm in diameter. ...
Conclusion: Use of prefabricated PEEK implants for reconstruction of large skull defects has shown promising results. ...
doi:10.21608/mjcu.2022.234984
fatcat:ltzttf2yojgt5es43d6y5appea
Prefabricated Patient-Matched Cranial Implants for Reconstruction of Large Skull Defects
2013
Journal of Central Nervous System Disease
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A CT scan with 2 mm slices and a three-dimensional reconstruction were obtained from the patient. This information was dispatched to the company and used as a template to form the implant. ...
Large defects should be reconstructed to protect the brain and normalize the cerebral hemodynamics. The conventional method is to cover the defect with bone cement. ...
Six of the infections occurred after replacement of the patient's own bone flap following decompressive hemicraniectomy, and four developed a secondary deep infection after craniotomy. ...
doi:10.4137/jcnsd.s11106
pmid:23650475
pmcid:PMC3616596
fatcat:huyllnmwe5h5vkr4l64abcwkim
Postoperative Imaging of Complications Following Cranial Implants
2019
Journal of the Belgian Society of Radiology
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If not addressed appropriately in a timely manner, these complications may cause a delay in the patient's treatment with subsequent prolongation of hospital stay. ...
A wide range of neurosurgical implants, cranioplasty materials and catheters have been developed to treat a variety of intracranial disorders. ...
After removal of the titanium plate, the scalp was reconstructed with a rotation flap and skin graft. ...
doi:10.5334/jbsr.1881
pmid:31872175
pmcid:PMC6923773
fatcat:himz36q3l5avvfxbfra23e4vve
Intraoperative fabrication of patient-specific moulded implants for skull reconstruction: single-centre experience of 28 cases
2014
Acta Neurochirurgica
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Measurements of implant thickness showed a very high correlation with the thickness of the contralateral bone. Volumetric subtraction led to a median quality of 80 on a scale from 0 to 100. ...
Conclusions Implantation of intraoperatively fabricated patient-specific moulded implants is a cost-effective and safe technique leading to good clinical results with a low complication rate. ...
AThe 3D reconstruction of the bone after implantation of a PSMI (in white)
Table 1 1 Complications after PSMI implantation n
Patient IDs
Infection of unknown origin
0
Infection after wound healing ...
doi:10.1007/s00701-013-1977-5
pmid:24442601
fatcat:z44szuhphrg3xcvgcfakn6guim
Designer Cranioplasty at Budget Prices: A Novel Use of 3D Printing Technology
2021
Indian Journal of Neurosurgery
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Objectives To study the effectiveness of a low-cost, 3D-printed template for molding the polymethyl methacrylate (PMMA) (bone cement) in order to achieve exact contours of the skull specific to each patient ...
However, the high-cost of available 3D printed implants limits their extensive use. ...
Using this software, reconstruction of those axial images into a 3D skull image with evident bone defect was done. The skull defect was reshaped using a mirror image of the normal side. ...
doi:10.1055/s-0040-1716995
fatcat:zt7dky7vvneidf7kvbamfzvl5q
Silicone rubber mould cast polyethylmethacrylate-hydroxyapatite plate used for repairing a large skull defect
2006
Journal of Cranio-Maxillofacial Surgery
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Conclusion: The use of 3D imaging and rapid prototyping allow precise repair of large skull defects, with good aesthetic and functional results. ...
Patient and method: A large custom made cranial implant was produced using data acquired from 3D computer tomography, rapid prototyping and cast in a silicone rubber mould. ...
DISCUSSION To repair large skull defects, either reconstruction of the vault intra-operatively or a 'custom made cranial implant,' may be chosen preoperatively. ...
doi:10.1016/j.jcms.2006.01.005
pmid:16644233
fatcat:7bxir7z6ajhqdbqyqbjs5hafbe
Hemicraniectomy: A New Model for Human Electrophysiology with High Spatio-temporal Resolution
2010
Journal of Cognitive Neuroscience
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Signals over the hemicraniectomy have enhanced amplitude and greater task-related power at higher frequencies (60-115 Hz) compared with signals over skull. ...
We also provide evidence of a metric for trial-by-trial EMG/ EEG coupling that is effective over the hemicraniectomy but not intact skull at frequencies >60 Hz. ...
.), the Fondation pour la Recherche Medicale to A. B. C., and the National Institute of Neurological Disorders and Stroke (NS21135-22S1 to B. V., NS050173 to G. T. M., and NS21135 to R. T. K. ...
doi:10.1162/jocn.2009.21384
pmid:19925193
pmcid:PMC2888789
fatcat:vskmqe65lfbtdbzvlsu5mmgeaa
Cranioplasty using autoclaved autologous skull bone flaps preserved at ambient temperature
2017
Journal of Neurosciences in Rural Practice
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Radiologically significant bone resorption was noted in a single patient (1.39%) after 1 year. ...
Patients and Methods: Seventy-two patients who underwent CP with autoclaved autologous skull flaps preserved under ambient conditions with strict aseptic precautions were included in the study. ...
There are a lot of controversial observations regarding sterilization and storage of these skull bone flaps prior to cranial reconstruction. ...
doi:10.4103/jnrp.jnrp_270_17
pmid:29204021
pmcid:PMC5709884
fatcat:i7xjyn67ujc5ba23xxv7wcocve
Cranioplasty After Severe Traumatic Brain Injury: Effects of Trauma and Patient Recovery on Cranioplasty Outcome
2018
Frontiers in Neurology
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or failure. tSAH on admission imaging is a major risk factor for a major complication leading to implant removal. ...
Successful cranioplasty was associated with better outcome, whereas a major complication attenuates patient recovery: in patients with favorable outcome assessed 1 year after cranioplasty, major complication ...
Thus, it is plausible the reconstructed skull after sTBI and subsequent DC improves cerebral perfusion in different lobes (8) . ...
doi:10.3389/fneur.2018.00223
pmid:29695995
pmcid:PMC5904383
fatcat:spdrqdd7rndh3lclejuyork3xu
Evaluation of three different methods of cranioplasty; a comparative prospective randomized study
2021
Pan arab journal of neurosurgery
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However, complication rates showed a slight increase with PMMA, which lead to decreased patient satisfaction. ...
BACKGROUND: Multiple materials have been used for cranioplasty with different pros and cons. ...
INTRODUCTION Cranioplasty is defined as a reconstructive procedure that is used to repair skull defects and restore the skull anatomy. 3] [4] Therefore, optimum reconstruction should be chosen for every ...
doi:10.21608/pajn.2021.86841.1030
fatcat:t7mf7ozn4zcbhgxadyf5xlngw4
The Recent Revolution in the Design and Manufacture of Cranial Implants
2015
Neurosurgery
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Implants may be cultured in a bioreactor along with recombinant growth factors to produce implants coated with bone progenitor cells and extracellular matrix that appear to the body as a graft, albeit ...
A skull template may be used to design the external shape of an implant that will become well integrated in the skull, while also providing beneficial distribution of mechanical force distribution in the ...
They note observing CT-based evidence of bone consolidation as well as good integration of the implant after 6 months. ...
doi:10.1227/neu.0000000000000899
pmid:26171578
pmcid:PMC4615389
fatcat:5abnuk37nbhqjckb7rsv36nhsi
Decompressive craniectomy in traumatic brain injury: Quo Vadis?
2014
Ukrainian Neurosurgical Journal
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Intracranial hypertension is the leading cause of mortality in patients with cranial injury. Currently the traumatic brain injury is a public health problem worldwide. ...
Decompressive craniectomy emerges as a treatment strategy for patients with refractory intracranial hypertension. The completed surgery requires careful surgical technique and exquisite. ...
The consequences of discard the bone flap are obvious, requires a cranioplasty with intraoperative reconstruction, making expensive the procedure, and sacrificing cosmesis. ...
doi:10.25305/unj.46593
fatcat:vreih5snxzdinca2lr3uez3l2q
Cranioplasty with autologous cryopreserved bone after decompressive craniectomy. Complications and risk factors for developing surgical site infection
2014
Acta Neurochirurgica
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Conclusions SSI and bone flap resorption are the most frequent complications associated with the reimplantation of autologous cryopreserved bone after decompressive craniectomy. ...
The aim of this study was to investigate the frequency and possible risk factors for developing surgical site infection (SSI) after delayed cranioplasty using autologous, cryopreserved bone. ...
SSI after cranioplasty with cryopreserved bone The use of cryopreserved autologous bone in the reconstruction of the cranial defect after craniectomy entails a risk for developing SSI. ...
doi:10.1007/s00701-013-1992-6
pmid:24493001
pmcid:PMC3956933
fatcat:2vxyw4luqncixoxk5nhejek7c4
Outcomes of Cranioplasty Using Autologous Bone or 3D-Customized Titanium Mesh Following Decompressive Craniectomy for Traumatic Brain Injury: Differences in Complications
2019
Journal of Trauma and Injury
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A subgroup risk factor analysis of CP with an autologous bone flap showed no risk factors that predicted BFR with statistical significance, although a marginal association was found between larger bone ...
after CP. results: In the autologous bone flap group, there were three cases of surgical infection (3/24, 12.5%) and 11 cases of bone flap resorption (BFR) (11/24, 45.83%). ...
Using that software, the surface area of the implanted bone flaps or implanted titanium mesh plates was measured by manually tracing their outlines on lateral skull plain images. ...
doi:10.20408/jti.2019.033
fatcat:qvgclhl7u5e4vab64alsceyhgi
Evaluation of neurosurgical implant infection rates and associated pathogens: evidence from 1118 postoperative infections
2019
Neurosurgical Focus
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a certain reference for the clinic. ...
The goal of this study was to investigate implant infections in neurosurgical procedures in a longitudinal retrospective study and to evaluate the IRs of neurosurgically implanted materials and the distribution ...
Archavlis E, Carvi Y Nievas M: The impact of timing of cranioplasty in patients with large cranial defects after decompressive hemicraniectomy. Acta Neurochir (Wien) 154:1055-1062, 2012 7. ...
doi:10.3171/2019.5.focus18582
pmid:31370027
fatcat:u4x2qwtltbdctcss4wrzn3y4gy
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