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Craniofacial fractures

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https://www.readbyqxmd.com/read/27898160/haptic-feedback-improves-surgeons-user-experience-and-fracture-reduction-in-facial-trauma-simulation
#1
Sabine Girod, Sara C Schvartzman, Dyani Gaudilliere, Kenneth Salisbury, Rebeka Silva
Computer-assisted surgical (CAS) planning tools are available for craniofacial surgery, but are usually based on computer-aided design (CAD) tools that lack the ability to detect the collision of virtual objects (i.e., fractured bone segments). We developed a CAS system featuring a sense of touch (haptic) that enables surgeons to physically interact with individual, patient-specific anatomy and immerse in a three-dimensional virtual environment. In this study, we evaluated initial user experience with our novel system compared to an existing CAD system...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27870351/review-of-in-vivo-bone-strain-studies-and-finite-element-models-of-the-zygomatic-complex-in-humans-and-nonhuman-primates-implications-for-clinical-research-and-practice
#2
Felippe Bevilacqua Prado, Alexandre Rodrigues Freire, Ana Cláudia Rossi, Justin A Ledogar, Amanda L Smith, Paul C Dechow, David S Strait, Tilman Voigt, Callum F Ross
The craniofacial skeleton is often described in the clinical literature as being comprised of vertical bony pillars, which transmit forces from the toothrow to the neurocranium as axial compressive stresses, reinforced transversely by buttresses. Here, we review the literature on bony microarchitecture, in vivo bone strain, and finite-element modeling of the facial skeleton of humans and nonhuman primates to address questions regarding the structural and functional existence of facial pillars and buttresses...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27857528/mccune-albright-syndrome-association-of-fibrous-dysplasia-caf%C3%A3-au-lait-skin-spots-and-hyperthyroidism-case-report
#3
Iulian Raus, Roxana Elena Coroiu
McCune-Albright syndrome is a rare sporadic disease characterized by bone fibrous dysplasia, café-au-lait skin spots and a variable association of hyperfunctional endocrine disorders. Fibrous dysplasia (FD), which can involve the craniofacial, axial, and appendicular skeleton, may range from an isolated, asymptomatic monostotic lesion to a severe disabling polyostotic disease involving the entire skeleton. A twenty-five-year old male patient presented to our clinic with recently developed heart palpitations...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27833704/superior-orbital-fissure-syndrome-in-lateral-orbital-wall-fracture-management-and-classification-update
#4
REVIEW
Claudio Caldarelli, Rodolfo Benech, Caterina Iaquinta
The superior orbital fissure syndrome (SOFS) is an uncommon complication rarely occurring in association with craniofacial trauma. Work-up of a patient injured by a traumatic right orbitozygomatic complex fracture and SOFS is presented. Accurate computed tomography scan and three-dimensional reconstruction showed a medial displacement of the lateral orbital wall, compressing the right superior orbital fissure (SOF), without intraorbital bone fragment displacement or hemorrhage. Imaging also revealed a frontosphenotemporal fracture, according to Pellerin et al, that is, frequently associated with visual impairment...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27797885/trabecular-bone-score-and-incident-fragility-fracture-risk-in-adults-with-reduced-kidney-function
#5
Kyla L Naylor, Jerilynn Prior, Amit X Garg, Claudie Berger, Lisa Langsetmo, Jonathan D Adachi, David Goltzman, Christopher S Kovacs, Robert G Josse, William D Leslie
BACKGROUND AND OBJECTIVES: Trabecular bone score is a gray-level textural measure obtained from dual energy x-ray absorptiometry lumbar spine images that provides information independent of areal bone mineral density. The association between trabecular bone score and incident fractures in adults with reduced kidney function and whether this association differs from that of adults with normal kidney function are unknown. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We included 1426 participants ages ≥40 years old (mean age of 67 years) in the community-based Canadian Multicentre Osteoporosis Study...
November 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27783770/risk-factors-associated-with-the-failure-of-miniscrews-a-ten-year-cross-sectional-study
#6
Ana Cláudia Moreira Melo, Augusto Ricardo Andrighetto, Suélen Darab Hirt, Ana Luiza Melo Bongiolo, Siddhartha Uhrigshardt Silva, Marcos André Duarte da Silva
The aims of this study were to identify (1) patient-related factors (sex, age, craniofacial pattern and smoking habit), (2) miniscrews implants (MSI)-related factors (length and diameter) and (3) location-related factors [bone (maxilla or mandible) and area (buccal, lingual and alveolar ridge)] that may be associated with MSI loss of stability. A total of 1356 MSI were installed in 570 patients (423 females and 147 males) with mean age of 42.7 during a 10-year period and were clinically evaluated once a month until the end of the proposed movement...
October 24, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/27723094/blunt-craniofacial-trauma-as-a-manifestation-of-excited-delirium-caused-by-new-psychoactive-substances
#7
Roger W Byard, Matthew Cox, Peter Stockham
The body of a 19-year-old male was found apparently concealed underneath bushes with recent head and facial trauma, and multiple superficial abrasions. Subsequently, it was discovered that the decedent had been running into objects and buildings following the ingestion the evening before of what was thought to be lysergic acid diethylamide (LSD). Blood staining of a nearby wall close to where the body was lying was in keeping with the described behavior. Toxicology revealed 3,4-methylenedioxymethamphetamine (Ecstasy), in addition to two only recently available drugs 2-(4-bromo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine, (25B-NBOMe), and 1-(3,4-methylenedioxyphenyl)-2-(1-pyrrolidinyl)-1-butanone, (MDPBP)...
November 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27712825/craniomaxillofacial-trauma
#8
Sven-Olrik Streubel, David M Mirsky
Facial trauma causes significant of morbidity in the United States. With injuries varying widely, the clinical benefits of antibiotics use in facial fracture treatment are not easily determined. The pediatric population is more predisposed to craniofacial trauma secondary to their increased cranial mass to body ratio. All patients with traumatic injury should be assessed according to the Advanced Trauma Life Support protocol. This article discusses the types and prevalence of injuries and approaches to management...
November 2016: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/27702404/-fibrous-dysplasia-a-heterogeneous-disease
#9
B C J Majoor, N M Appelman-Dijkstra, M A J van de Sande, H M Kroon, N A T Hamdy, P D S Dijkstra
Fibrous dysplasia is a rare genetic bone disorder with a wide variation in clinical expression, ranging from asymptomatic patients to severely affected patients with extensive bone disease, pain, repetitive fractures and deformities and serious endocrinological symptoms (McCune-Albright syndrome). Here, we report on three different cases of fibrous dysplasia. First, a 46-year-old woman with a small solitary lesion in the proximal femur. Second, a 25-year-old man with polyostotic disease of the left leg who received both surgical and medical treatment...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27685864/classifying-and-standardizing-panfacial-trauma-with-a-new-bony-facial-trauma-score
#10
Garrett G A Casale, Brian A Fishero, Stephen S Park, Mark Sochor, Sara B Heltzel, J Jared Christophel
Importance: The practice of facial trauma surgery would benefit from a useful quantitative scale that measures the extent of injury. Objective: To develop a facial trauma scale that incorporates only reducible fractures and is able to be reliably communicated to health care professionals. Design and Setting: A cadaveric tissue study was conducted from October 1 to 3, 2014. Ten cadaveric heads were subjected to various degrees of facial trauma by dropping a fixed mass onto each head...
September 29, 2016: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/27649526/outcome-of-long-term-bisphosphonate-therapy-in-mccune-albright-syndrome-and-polyostotic-fibrous-dysplasia
#11
Bas Cj Majoor, Natasha M Appelman-Dijkstra, Martha Fiocco, Michiel Aj van de Sande, Pd Sander Dijkstra, Neveen At Hamdy
McCune-Albright syndrome (MAS) is a rare bone disorder characterized by fibrous dysplasia (FD), endocrinopathies, and café-au-lait patches. FD patients have been shown to respond favorably to treatment with bisphosphonates, but data are scarce in the more severe polyostotic form (PFD), including MAS, and factors determining treatment outcome are not known, particularly in the long-term. We evaluated the biochemical (bone turnover markers [BTMs]) and clinical (pain reduction) outcome of bisphosphonate therapy in 11 patients with MAS and 30 patients with PFD: median duration of treatment 6 years (range, 2 to 25 years)...
September 20, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27648398/neurosurgery-skull-base-craniofacial-trauma
#12
REVIEW
Paul J Donald
Much of craniofacial trauma involves the frontal sinuses. Because of its response to injury, the frontal sinus mucosa has an innate ability to develop mucoceles, and if infected, mucopyocoeles. This article presents a therapeutic algorithm for all forms of craniofacial trauma with concentration on the most severe injury-the through and through fracture and its surgical remediation.
October 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27615053/phenotype-of-7q11-23-duplication-a-family-clinical-series
#13
Beth A Earhart, Marian E Williams, Irina Zamora, Linda Marie Randolph, Jodie K Votava-Smith, Stephanie N Marcy
Duplication 7q11.23 syndrome is the reciprocal of Williams-Beuren deletion syndrome. Studies have reported a recognizable phenotype, including autism, intellectual disability, speech, and language delay, social anxiety, and behavioral difficulties in these individuals. Previous studies revealed a variety of craniofacial abnormalities, brain malformations, and cardiac abnormalities, including aortic dilation. This patient series evaluates five family members aged 2 months to 35 years, all with confirmed 7q11...
September 12, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27612737/development-of-a-methacrylate-terminated-plga-copolymer-for-potential-use-in-craniomaxillofacial-fracture-plates
#14
Sarah J Upson, Simon W Partridge, Ion Tcacencu, David A Fulton, Ian Corbett, Matthew J German, Kenneth W Dalgarno
We synthesised methacrylate-terminated PLGA (HT-PLGA, 85:15 LA:GA, 169kDa), for potential use as an adhesively attached craniomaxillofacial fracture fixation plate. The in vitro degradation of molecular weight, pH and flexural modulus were measured over 6weeks storage in PBS at 37°C, with commercially available high (225kDa, H-PLGA) and low (116kDa, L-PLGA) molecular weight 85:15 PLGAs used as comparators. Molecular weights of the materials reduced over 6weeks, HT-PLGA by 48%, H-PLGA by 23% and L-PLGA by 81%...
December 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27599698/transplantation-of-osteoporotic-bone-marrow-stromal-cells-rejuvenated-by-the-overexpression-of-satb2-prevents-alveolar-bone-loss-in-ovariectomized-rats
#15
Rongyao Xu, Zongyun Fu, Xue Liu, Tao Xiao, Ping Zhang, Yifei Du, Hua Yuan, Jie Cheng, Hongbing Jiang
Estrogen-deficient osteoporosis is an aging-related disease with high morbidity that not only significantly increases a woman's risk of fragility fracture but is also associated with tooth and bone loss in the supporting alveolar bone of the jaw. Emerging evidence suggests that the aging of bone marrow stromal cells (BMSCs) contributes to the development of osteoporosis. In this study, we aimed to investigate the role of the special AT-rich sequence-binding protein 2 (SATB2), a stemness and senescence regulator of craniofacial BMSCs, in rat ovariectomy-induced alveolar osteoporosis...
November 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27582029/conditional-alpl-ablation-phenocopies-dental-defects-of-hypophosphatasia
#16
B L Foster, P Kuss, M C Yadav, T N Kolli, S Narisawa, L Lukashova, E Cory, R L Sah, M J Somerman, J L Millán
Loss-of-function mutations in ALPL result in hypophosphatasia (HPP), an inborn error of metabolism that causes defective skeletal and dental mineralization. ALPL encodes tissue-nonspecific alkaline phosphatase, an enzyme expressed in bone, teeth, liver, and kidney that hydrolyzes the mineralization inhibitor inorganic pyrophosphate. As Alpl-null mice die before weaning, we aimed to generate mouse models of late-onset HPP with extended life spans by engineering a floxed Alpl allele, allowing for conditional gene ablation (conditional knockout [cKO]) when crossed with Cre recombinase transgenic mice...
August 31, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27548829/cranioplasty-review-of-materials
#17
Bruno Zanotti, Nicola Zingaretti, Angela Verlicchi, Massimo Robiony, Alex Alfieri, Pier Camillo Parodi
Cranioplasty remains a difficult procedure for all craniofacial surgeons, particularly when concerning the reconstruction of large lacunae in the skull. Considering the significant clinical and economic impact of the procedure, the search for materials and strategies to provide more comfortable and reliable surgical procedures is one of the most important challenges faced by modern craniofacial medicine.The purpose of this study was to compare the available data regarding the safety and clinical efficacy of materials and techniques currently used for the reconstruction of the skull...
August 19, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27547550/human-feeding-biomechanics-performance-variation-and-functional-constraints
#18
Justin A Ledogar, Paul C Dechow, Qian Wang, Poorva H Gharpure, Adam D Gordon, Karen L Baab, Amanda L Smith, Gerhard W Weber, Ian R Grosse, Callum F Ross, Brian G Richmond, Barth W Wright, Craig Byron, Stephen Wroe, David S Strait
The evolution of the modern human (Homo sapiens) cranium is characterized by a reduction in the size of the feeding system, including reductions in the size of the facial skeleton, postcanine teeth, and the muscles involved in biting and chewing. The conventional view hypothesizes that gracilization of the human feeding system is related to a shift toward eating foods that were less mechanically challenging to consume and/or foods that were processed using tools before being ingested. This hypothesis predicts that human feeding systems should not be well-configured to produce forceful bites and that the cranium should be structurally weak...
2016: PeerJ
https://www.readbyqxmd.com/read/27527678/maxillofacial-trauma-underestimation-of-cervical-spine-injury
#19
Waldemar Reich, Alexey Surov, Alexander Walter Eckert
Undiagnosed cervical spine injury can have devastating results. The aim of this study was to analyse patients with primary maxillofacial trauma and a concomitant cervical spine injury. It is hypothetised that cervical spine injury is predictable in maxillofacial surgery. A monocentric clinical study was conducted over a 10-year period to analyse patients with primary maxillofacial and associated cervical spine injuries. Demographic data, mechanism of injury, specific trauma and treatments provided were reviewed...
September 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27494587/contemporary-issues-in-the-open-management-of-subcondylar-fractures-of-the-mandible
#20
Jeffrey Cranford, Sameep Kadakia, Raja Sawhney, Yadranko Ducic
Subcondylar fractures encompass a large portion of mandible fractures. Owing to their proximity to the temporomandibular joint and difficulty achieving surgical exposure, treatment of these fractures has been challenging and highly debated throughout the literature. While no one modality is the accepted gold standard, there are multiple options for addressing these fractures that can yield satisfying results for both patient and surgeon alike. A thorough literature review was conducted using PubMed, analyzing articles in the past 15 years for relevance to the subject matter...
August 2016: Facial Plastic Surgery: FPS
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