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Cranial remodelling

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https://www.readbyqxmd.com/read/29771833/proptosis-correction-in-pre-adolescent-patients-with-syndromic-craniosynostosis-by-le-fort-iii-distraction-osteogenesis
#1
Travis L Gibson, Barry H Grayson, Joseph G McCarthy, Pradip R Shetye
Le Fort III distraction osteogenesis may be indicated in the treatment of syndromic craniosynostosis with severe midface retrusion and proptosis. This study assesses the stability of proptosis correction over 10-years.A retrospective review identified 15 patients with syndromic craniosynostosis treated by Le Fort III distraction prior to age 10 (9 males, 6 females; age 4.9 ± 1.5 years). Untreated, non-craniosynostotic age- and gender-matched controls were obtained from historical growth records. Lateral cephalometric tracings at pre-surgery (T1), immediate (T2), 1 year (T3), 5 years (T4), and 10 years (T5) (n = 11) post-distraction were superimposed using the best-fit of cranial base...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29742364/surgical-correction-of-metopic-craniosynostosis-a-3-d-photogrammetric-analysis-of-cranial-vault-outcomes
#2
Olivia E Linden, Vanessa M Baratta, Jose A Gonzalez, Margaret E Byrne, Petra M Klinge, Stephen R Sullivan, Helena O Taylor
OBJECTIVE: To evaluate 3-dimensional (3-D) photogrammetry as a tool for assessing the postoperative head shape of patients who had undergone cranial vault remodeling for metopic synostosis. DESIGN: We prospectively analyzed images of patients with metopic craniosynostosis who had undergone anterior cranial vault remodeling and age-matched controls. To ensure standardized facial orientation, each 3-D image was positioned to "best fit" the preoperative face by aligning 6 soft tissue landmarks...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29725043/facial-bone-fragmentation-in-blind-cavefish-arises-through-two-unusual-ossification-processes
#3
Amanda K Powers, Shane A Kaplan, Tyler E Boggs, Joshua B Gross
The precise mechanisms underlying cranial bone development, evolution and patterning remain incompletely characterised. This poses a challenge to understanding the etiologies of craniofacial malformations evolving in nature. Capitalising on natural variation, "evolutionary model systems" provide unique opportunities to identify underlying causes of aberrant phenotypes as a complement to studies in traditional systems. Mexican blind cavefish are a prime evolutionary model for cranial disorders since they frequently exhibit extreme alterations to the skull and lateral asymmetries...
May 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29664192/cerebrospinal-fluid-markers-of-extracellular-matrix-remodeling-synaptic-plasticity-and-neuroinflammation-before-and-after-cranial-radiotherapy
#4
E Fernström, K Minta, U Andreasson, Å Sandelius, P Wasling, A Brinkmalm, K Höglund, K Blennow, J Nyman, H Zetterberg, M Kalm
BACKGROUND: Advances in the treatment of brain tumors have increased the number of long-term survivors, but at the cost of side effects following cranial radiotherapy ranging from neurocognitive deficits to outright tissue necrosis. At present, there are no tools reflecting the molecular mechanisms underlying such side effects, and thus no means to evaluate interventional effects after cranial radiotherapy. Therefore, fluid biomarkers is of great clinical interest. OBJECTIVE: Cerebrospinal fluid (CSF) levels of proteins involved in inflammatory signaling, synaptic plasticity and extracellular matrix (ECM) integrity were investigated following radiotherapy to the brain...
April 17, 2018: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29659152/cranial-pair-i-the-olfactory-nerve
#5
Carlos Crespo, Teresa Liberia, José Miguel Blasco-Ibáñez, Juan Nácher, Emilio Varea
The olfactory nerve constitutes the first cranial pair. Compared with other cranial nerves, it depicts some atypical features. First, the olfactory nerve does not form a unique bundle. The olfactory axons join other axons and form several small bundles or fascicles: the fila olfactoria. These fascicles leave the nasal cavity, pass through the lamina cribrosa of the ethmoid bone and enter the brain. The whole of these fascicles is what is known as the olfactory nerve. Second, the olfactory sensory neurons, whose axons integrate the olfactory nerve, connect the nasal cavity and the brain without any relay...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29653382/acute-exposure-of-white-tailed-deer-cortical-bone-to-staphylococcus-aureus-did-not-result-in-reduced-bone-stiffness
#6
Ariel Nicole Kunde, Victoria Jane Frost, Meir Max Barak
Staphylococcus aureus (S. aureus) is the main source of osteomyelitis in adults. The end-result of untreated osteomyelitis is bone necrosis and distraction of bone structure. While bone tissue can heal and remodel its structure to ameliorate its mechanical properties, so far no study has tested the mechanical properties of cortical bone tissue exposed to S. aureus. With the increase usage of bone banks as a source of bone graft supply, it is important to screen for any possible pathology that may affect the bone graft success to function normally in the receiving patient...
April 4, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29629226/endoscopy-assisted-craniosynostosis-surgery-followed-by-helmet-therapy
#7
H H K Delye, W A Borstlap, E J van Lindert
Background: Surgical methods to treat craniosynostosis have evolved from a simple strip craniectomy to a diverse spectrum of partial or complete cranial vault remodeling with excellent results but often with high comorbidity. Therefore, minimal invasive craniosynostosis surgery has been explored in the last few decades. The main goal of minimal invasive craniosynostosis surgery is to reduce the morbidity and invasiveness of classical surgical procedures, with equal long-term results, both functional as well as cosmetic...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29569704/morphology-of-cranial-sutures-and-radiologic-evaluation-of-the-variations-of-intersutural-bones
#8
Selma Çalışkan, Kader Karlı Oğuz, Selçuk Tunalı, Muhammed Mustafa Aldur, Burcu Erçakmak, Mustafa Fevzi Sargon
BACKGROUND: As far as our literature searches showed us, morphological characteristics of cranium such as sutures, sutural bones and fontanelles had been examined from the skulls in the museums and dry specimens until now. As a modern method, 3D virtual remodeling of cranial bones by using MDCT-CTA can display in vivo morphological characteristics. In our study, we aimed to determine the presence and incidence of these morphological characteristics that can be clinically significant in our population, by using radiologic methods...
March 23, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29543324/changes-in-intracranial-volume-and-cranial-shape-in-modern-koreans-over-four-decades
#9
Ye Sel Kim, In Sung Park, Hyun Jung Kim, Dasom Kim, Nam Joon Lee, Im Joo Rhyu
OBJECTIVES: This study investigated whether there was any secular change in cranial vault morphology among Koreans born between the 1930s and 1970s, a period of dramatic shift in Korea's socioeconomic conditions. MATERIALS AND METHODS: Using three-dimensional MRI volumetry, we obtained the intracranial volume (ICV) and craniometric measurements of 115 healthy Koreans: 58 individuals (32 males and 26 females) born in the 1930s (1926-1936) and 57 (28 males and 29 females) born in the 1970s (1972-1979)...
March 15, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29537994/twenty-year-outcome-experience-with-open-craniosynostosis-repairs-an-analysis-of-reoperation-and-complication-rates
#10
Kerry A Morrison, James C Lee, Mark M Souweidane, Neil A Feldstein, Jeffrey A Ascherman
BACKGROUND: Surgical intervention during infancy for both syndromic and nonsyndromic patients with craniosynostosis remains the criterion standard of treatment with the 2 main options being open vault remodeling versus minimally invasive surgery. Although open cranial vault remodeling was initially considered a high-risk procedure, many advances have improved its safety. Despite this, there is a paucity of literature on the long-term outcomes of contemporary open craniosynostosis repair...
April 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29498604/early-postnatal-cranial-vault-reduction-and-fixation-surgery-for-severe-hydrocephalic-macrocephaly
#11
Rajiv R Iyer, Carolyn M Carey, S Alex Rottgers, Lisa Tetreault, Nir Shimony, Jennifer Katzenstein, Ernesto Ruas, Gerald F Tuite
OBJECTIVE Infants with severe hydrocephalus and extreme macrocephaly typically undergo CSF diversion early in life, which can result in significant cranial deformity due to CSF overdrainage. In this scenario, overlap of the cranial plates can precede the development of secondary synostosis and/or severe, permanent cranial deformity. As a result, extensive cranial vault remodeling is sometimes undertaken later in life, which is often challenging and has been associated with mortality and a high morbidity rate...
May 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29489569/demystifying-the-triple-point-technical-nuances-of-the-fronto-orbital-advancement
#12
Christopher D Lopez, Anand Kumar, Alexander Y Lin, Christopher M Bonfield, Jeffrey Weinzweig, Thomas Naidich, Christopher M Smith, Peter J Taub
Removal of the fronto-orbital bandeau is one of the most critical components for procedures designed to correct anomalies of the craniofacial skeleton and remodel the anterior calvarial vault. It is also used to improve exposure of the anterior cranial fossa. It is arguably one of the more difficult portions of some craniofacial procedures. While the technique for fronto-orbito-sphenoid osteotomy has been frequently described, it has only been minimally detailed. Separation of bone in this region remains challenging due to the bone thickness, adjacent vital structures, and limited direct visibility...
May 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29489545/a-novel-method-for-quantifying-intracranial-volume-change-by-distraction-osteogenesis-for-craniosynostosis
#13
Michael G Brandel, Cecilia L Dalle Ore, Chris M Reid, Wendy W Zhang, William Zhu, Chinwe S Kpaduwa, Samuel Lance, Hal S Meltzer, Amanda A Gosman
INTRODUCTION: Methods of reporting quantitative results for distraction osteogenesis (DO) of craniosynostosis have been inconsistent. Therefore, the efficacy of differing techniques and timing in regard to volume change is not well established, with no uniform metric for comparisons. Given that cranial vault remodeling with DO may be completed with different approaches, analysis was made to determine (1) the relative efficiency of different approaches in expanding intracranial volume (ICV) and (2) the impact of adjusting for ICV growth on measured DO efficiency...
May 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29489538/predictors-of-postoperative-complications-of-craniosynostosis-repair-in-the-national-inpatient-sample
#14
Peter Abraham, Michael G Brandel, Cecilia L Dalle Ore, Chris M Reid, Chinwe S Kpaduwa, Samuel Lance, Hal S Meltzer, Amanda A Gosman
INTRODUCTION: Timing of intervention and complication profiles in surgical repair of craniosynostosis have been widely debated. Early intervention is frequently promoted as a means of decreasing morbidity while maintaining favorable outcomes via minimally invasive techniques such as endoscopic strip craniectomy. Immediate postoperative morbidity due to complications of early vs late intervention remains a key element in comparing timing and technique for craniosynostosis repair. In addition, concurrent fronto-orbital advancement with open cranial vault remodeling may increase the risk of postoperative complications...
May 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29483004/dual-lumen-balloon-catheter-an-effective-substitute-for-two-single-lumen-catheters-in-treatment-of-vascular-targets-with-challenging-anatomy
#15
Ljubisa Borota, Ehab Mahmoud, Christoffer Nyberg, Anders Lewén, Per Enblad, Elisabeth Ronne-Engström
The aim of this study was to describe our experience in the treatment of various pathological conditions of the cranial and spinal blood vessels and hypervascularized lesions using dual lumen balloon catheters. Twenty-five patients were treated with endovascular techniques: two with vasospasm of cerebral blood vessels caused by subarachnoid hemorrhage, one with a hypervascularized metastasis in the vertebral body, two with spinal dural fistula, four with cerebral dural fistula, three with cerebral arteriovenous malformations, and 13 with aneurysms...
May 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29481495/virtual-surgical-planning-for-correction-of-delayed-presentation-scaphocephaly-using-a-modified-melbourne-technique
#16
Alexandra Macmillan, Joseph Lopez, Gerhard S Mundinger, Melanie Major, Miguel A Medina, Amir H Dorafshar
BACKGROUND: Late treatment of scaphocephaly presents challenges including need for more complex surgery to achieve desired head shape. Virtual surgical planning for total vault reconstruction may mitigate some of these challenges, but has not been studied in this unique and complex clinical setting. METHODS: A retrospective chart review was conducted for patients with scaphocephaly who presented to our institution between 2000 and 2014. Patients presenting aged 12 months or older who underwent virtual surgical planning-assisted cranial vault reconstruction were included...
February 23, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29481403/evaluating-trends-in-headache-and-revision-surgery-following-cranial-vault-remodeling-for-craniosynostosis
#17
Elena Pellicer, Babette S Siebold, Craig B Birgfeld, Emily R Gallagher
BACKGROUND: The recommended treatment for craniosynostosis, is cranial vault expansion to prevent increased intracranial pressure and optimize developmental outcomes. Some patients complain about postoperative headaches and occasionally require revision to treat increased intracranial pressure. This study examines whether specific factors are associated with an increased risk of postoperative headaches or intracranial hypertension. METHODS: This retrospective cohort included patients with craniosynostosis from 1995 and 2010...
March 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29464388/simultaneous-bone-remodeling-and-surgical-decompression-of-large-sylvian-arachnoid-cyst
#18
Bojana Zivkovic, Mirko Micovic, Vladimir Bascarevic, Andrija Savic, Lukas Rasulic
The most common location for intracranial arachnoid cysts is the region of the Sylvian fissure, where they can be found in 49% of cases. Management of these cysts is still quite controversial. We present our surgical technique for the treatment of large Sylvian fissure arachnoid cysts which involves cyst decompression and simultaneous calvarial remodeling. After decreasing cyst size, remodeling of the frontal, temporal, and parietal bones follows. The cyst itself is treated with a cystoperitoneal shunt. In immediate postoperative period, correction of the deformity is observed...
April 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29461368/safety-outcomes-in-endoscopic-versus-open-repair-of-metopic-craniosynostosis
#19
Tara L Braun, Bradley S Eisemann, Olushola Olorunnipa, Edward P Buchanan, Laura A Monson
BACKGROUND: Premature fusion of the metopic suture leads to a range of clinical presentations, with more severe patients presenting characteristically with trigonocephaly. Endoscopic-assisted correction of craniosynostosis is emerging as an alternative to the gold-standard open cranial vault remodeling. While there are several documented benefits of endoscopic correction, the management of craniosynostosis varies widely in the literature with little consensus as to the preferred timing and surgical technique for repair...
February 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29438206/surgical-outcome-after-less-rigid-fixation-in-open-cranial-vault-remodeling-for-craniosynostosis
#20
Khai Luen Koh, Ali Zain
: Open cranial vault remodeling techniques require rigid fixation with hardware such as plates and screws; however, complications can occur. The purpose of this study was to assess the surgical outcome after open reconstruction for craniosynostosis with less rigid fixation using nonabsorbable suture. METHODS: Retrospective review of patients who underwent open craniofacial reconstruction for craniosynostosis at the Hospital Kuala Lumpur between January 2011 and December 2016 were performed...
February 12, 2018: Journal of Craniofacial Surgery
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