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Temporal bone fracture

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https://www.readbyqxmd.com/read/29470563/nonsurgical-treatment-for-posttraumatic-complete-facial-nerve-paralysis
#1
Alok Thakar, Madan P Gupta, Achal Srivastava, Deepak Agrawal, Atin Kumar
Importance: Current recommendations envisage early surgical exploration for complete facial nerve paralysis associated with temporal bone fracture and unfavorable electrophysiologic features (response to electroneuronography, <5%). However, the evidence base for such a practice is weak, with the potential for spontaneous improvement being unknown, and the expected results from alternative nonsurgical treatment also undefined. Objective: To document the results of nonsurgical treatment for posttraumatic complete facial paralysis with undisplaced temporal bone fracture and unfavorable electrophysiologic features...
February 22, 2018: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29451668/comparison-between-early-and-delayed-facial-nerve-decompression-in-traumatic-facial-nerve-paralysis-a-retrospective-study
#2
David Victor Kumar Irugu, Anoop Singh, Sravan Ch, Achyuth Panuganti, Anand Acharya, Hitesh Varma, Ramya Thota, Maurizio Falcioni, Sridhar Reddy
Purpose To study the intraoperative findings in case of early and delayed decompression of facial nerve paralysis and compare their results. Methods Retrospective data analysis of 23 cases of longitudinal temporal bone fracture with House-Brackmann grade V and VI facial nerve paralysis. All cases were thoroughly evaluated and underwent facial nerve decompression through the transmastoid approach. All cases were under regular follow-up till the date of manuscript submission. Results Clinical improvement of the facial nerve function was observed for early vs...
2018: CoDAS
https://www.readbyqxmd.com/read/29441447/transcriptional-mechanisms-of-secondary-fracture-healing
#3
REVIEW
Joseph L Roberts, David N Paglia, Hicham Drissi
PURPOSE OF REVIEW: Growing evidence supports the critical role of transcriptional mechanisms in promoting the spatial and temporal progression of bone healing. In this review, we evaluate and discuss new transcriptional and post-transcriptional regulatory mechanisms of secondary bone repair, along with emerging evidence for epigenetic regulation of fracture healing. RECENT FINDINGS: Using the candidate gene approach has identified new roles for several transcription factors in mediating the reactive, reparative, and remodeling phases of fracture repair...
February 13, 2018: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/29438209/an-unusual-complication-of-bone-wax-utilization
#4
Artur Fahradyan, Levonti Ohanisian, Michaela Tsuha, Matthew J Park, Jeffrey A Hammoudeh
Bone wax is a commonly used hemostatic agent with minimal complications. Some of the known complications include inflammation, granuloma formation, infection, and impaired osteogenesis. Several clinical reports of bone wax migration have also been reported. In this paper, the authors present a rare patient of bone wax migration intracranially in a 6-year-old patient who initially underwent craniotomy for the evacuation of subdural hematoma and repair of depressed skull fracture. The patient then underwent craniotomy scalp scar revision several months later...
February 12, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29433408/blunt-injury-of-the-innominate-artery-what-surprises-to-expect-a-case-report
#5
Marina Dias-Neto, José F Ramos, José F Teixeira
Injuries of the supra-aortic trunk after blunt chest trauma are rare. This is a case report of a blunt traumatic lesion of the innominate artery (IA) origin that exhibited aortic arch involvement with a focus on imaging and treatment. A 41-year-old fisherman presented an IA injury secondary to a high-impact blunt chest trauma. Upon physical examination, vital signs were stable and upper extremity pulses were present. In addition to several bone fractures (costal ribs, clavicle, scapula, temporal, maxillary, and sphenoid), computed tomography angiography revealed dissection/pseudoaneurysm of the IA sparing the bifurcation...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29432984/high-strength-biodegradable-and-cytocompatible-alpha-tricalcium-phosphate-iron-composites-for-temporal-reduction-of-bone-fractures
#6
E B Montufar, M Casas-Luna, M Horynová, S Tkachenko, Z Fohlerová, S Diaz-de-la-Torre, K Dvorak, L Celko, J Kaiser
In this work alpha tricalcium phosphate (α-TCP)/ iron (Fe) composites were developed as a new family of biodegradable, load-bearing and cytocompatible materials. The composites with composition from pure ceramic to pure metallic samples were consolidated by pulsed electric current assisted sintering to minimise processing time and temperature while improving their mechanical performance. The mechanical strength of the composites was increased and controlled with the Fe content, passing from brittle to ductile failure...
February 9, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29382611/novel-variant-in-sp7-osx-associated-with-recessive-osteogenesis-imperfecta-with-bone-fragility-and-hearing-impairment
#7
Melissa Fiscaletti, Andrew Biggin, Bruce Bennetts, Karen Wong, Julie Briody, Verity Pacey, Catherine Birman, Craig F Munns
Osteogenesis imperfecta (OI) is a connective tissue disorder characterized by low bone density and recurrent fractures with a wide genotypic and phenotypic spectrum. Common features include short stature, opalescent teeth, blue sclerae and hearing impairment. The majority (>90%) of patients with OI have autosomal dominant variants in COL1A1/COL1A2, which lead to defects in type 1 collagen. More recently, numerous recessive variants involving other genes have also been identified. Sp7/Osx gene, is a protein coding gene that encodes a zinc finger transcription factor, osterix, which is a member of the Sp subfamily of sequence-specific DNA-binding proteins...
January 27, 2018: Bone
https://www.readbyqxmd.com/read/29381609/morphometric-measurements-of-bony-nasolacrimal-canal-in-children
#8
Araz Server Ela, Kalaycik Ertugay Cigdem, Yesim Karagoz, Ozgur Yigit, Ecem Sevim Longur
OBJECTIVE: Morphology and dimensions of the bony nasolacrimal canal duct (BNLD) as a key factor in the development of primary acquired nasolacrimal duct obstruction. We aimed to obtain detailed morphometric analysis of BNLD in children without nasolacrimal duct pathology by using computed tomography and provide standard measurements by means of age which could be utilized in planning management or in invasive interventions. METHODS: Picture Archiving Communication Systems database of our hospital's radiology department was searched for this retrospective study...
January 29, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29363151/low-intensity-pulsed-ultrasound-accelerates-traumatic-vertebral-fracture-healing-by-coupling-proliferation-of-type-h-microvessels
#9
Suiyi Wu, Ximing Xu, Jingchuan Sun, Yao Zhang, Jiangang Shi, Tianming Xu
OBJECTIVES: Patients with traumatic vertebral fractures often have major associated postoperative morbidities such as healing failure and kyphosis. Low-intensity pulsed ultrasound (US) has been found to promote bone fracture healing. The objectives of our study were to determine whether low-intensity pulsed US could promote traumatic vertebral fracture healing and to explore its inner mechanisms. METHODS: A rat model of traumatic vertebral fracture was created and treated with low-intensity pulsed US after surgery...
January 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29291176/otorhinolaryngological-manifestations-in-head-trauma-a-prospective-study-of-the-epidemiology-clinical-presentations-management-and-outcomes
#10
Adeyi A Adoga, Kenneth N Ozoilo, Andrew A Iduh, Joyce G Mugu
Background: Otorhinolaryngological injuries following head trauma may be missed, overlooked, or forgotten in the acute phase resulting in worsened management outcomes. This study aims to report the epidemiology, clinical presentations, management, and outcomes of otorhinolaryngological injuries in head trauma with a view to creating awareness for early recognition and prompt treatment. Patients and Methods: Head injured patients consecutively presenting over a 5-year period were prospectively studied for age, gender, otorhinolaryngological presentations, interventions, and outcome of interventions...
October 2017: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/29283104/repair-of-tegmen-tympani-defect-presenting-with-spontaneous-cerebrospinal-fluid-otorrhea-using-the-middle-cranial-fossa-approach
#11
Said Sönmez, Bayram Şahin, Beldan Polat, Şenol Çomoğlu, Kadir Serkan Orhan
Spontaneous cerebrospinal fluid (CSF) otorrhea frequently occurs without temporal bone trauma, fracture, surgery, or any identifiable causes. It is usually associated with tegmen tympani defects of the temporal bone in adults. The congenital origin theory and the arachnoid granulation theory have been accepted to explain the tegmen tympani defect. Magnetic resonance imaging (MRI) and computed tomography (CT) are used to show the defects, brain tissue, and the meninges. We recently encountered three cases of spontaneous CSF otorrhea with a defect on the tegmental plate of the temporal bone...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29282438/management-of-unruptured-traumatic-middle-meningeal-artery-pseudoaneurysms-through-onyx-embolization
#12
Nicolas K Khattar, Andrew C White, Enzo M Fortuny, Rob T Hruska, Robert F James
Traumatic pseudoaneurysms of the middle meningeal artery (MMA) represent less than 1% of all intracranial aneurysms, and occur mostly in association with temporal bone fractures following head trauma. Given the unknown natural history, it is unclear whether they should be treated. We present two cases of MMA pseudoaneurysms discovered during trauma workups. The first patient is a 44-year-old male with severe traumatic brain injury (TBI) following a motor vehicle accident. The patient was found to have two right-sided middle meningeal artery pseudoaneurysms that were treated successfully with Onyx® (Medtronic, Minneapolis, MN) embolization...
October 23, 2017: Curēus
https://www.readbyqxmd.com/read/29261250/trends-in-bisphosphonate-initiation-within-an-integrated-healthcare-delivery-system
#13
Rami J Hosein, Joan C Lo, Bruce Ettinger, Bonnie H Li, Fang Niu, Rita L Hui, Annette L Adams
In the setting of changing temporal trends in the management of osteoporosis, we examined how select characteristics of new oral bisphosphonate (BP) initiators changed over time among 94,073 women within a large, integrated healthcare organization during the period 2004 to 2012. In the earlier era (2004-2007), approximately half of women younger than 65 years initiating BP therapy (47%-54%) had osteoporosis by bone mineral density (BMD) criteria, but this proportion increased sharply in the later era (2008-2012), with 55% to 81% having osteoporosis...
December 1, 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/29259709/role-of-fibroblast-growth-factors-in-bone-regeneration
#14
REVIEW
Pornkawee Charoenlarp, Arun Kumar Rajendran, Sachiko Iseki
Bone is a metabolically active organ that undergoes continuous remodeling throughout life. However, many complex skeletal defects such as large traumatic bone defects or extensive bone loss after tumor resection may cause failure of bone healing. Effective therapies for these conditions typically employ combinations of cells, scaffolds, and bioactive factors. In this review, we pay attention to one of the three factors required for regeneration of bone, bioactive factors, especially the fibroblast growth factor (FGF) family...
2017: Inflammation and Regeneration
https://www.readbyqxmd.com/read/29258690/reliability-of-temporal-bone-high-resolution-ct-in-patients-with-facial-paralysis-in-temporal-bone-fracture
#15
Yuefeng Chen, Kai Zhang, Yanfeng Xu, Yanxu Che, Linna Guan, Yefeng Li
OBJECTIVE: This study aimed to investigate the reliability of temporal bone high-resolution CT (HRCT) in patients with traumatic facial paralysis. METHODS: HRCT with cross-sectional scanning and multi-planar reformation (MPR) was performed on 26 cases with traumatic facial paralysis, and the preoperative imaging manifestations were compared with surgical findings. RESULTS: Preoperative HRCT revealed fallopian canal damage at the posterior genu in 1 case, geniculate ganglion in 22 cases, labyrinthine segment in 4 cases, tympanic segment in 13 cases and mastoid segment in 0 case, while surgical findings confirmed fallopian canal damage at the posterior genu in 7 cases, geniculate ganglion in 23 cases, labyrinthine segment in 4 cases, tympanic segment in 17 cases and mastoid segment in 7 cases...
December 5, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29194857/computed-tomographic-characteristics-of-pneumolabyrinth-in-a-french-bulldog-with-otitis-media-and-externa
#16
Audrey Belmudes, Jérôme Couturier, Guillaume Gory, Eddy Cauvin, Guillaume Condamin, Michael Rabillard, Delphine Rault
A four-year-old female French bulldog was presented for evaluation of acute, left-sided peripheral vestibular syndrome. Computed tomographic (CT) examination of the head revealed the presence of air within the left cochlea and vestibule, consistent with pneumolabyrinth. This was concurrent with ipsilateral otitis media and externa. Pneumolabyrinth is an uncommon finding in humans and is most frequently due to head trauma and temporal bone fracture. This is the first report describing pneumolabyrinth in a dog, apparently of nontraumatic origin in this case...
December 1, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29194264/navigation-assisted-nasal-bone-osteotomy-for-malunited-fracture
#17
Akihiro Ogino, Kiyoshi Onishi, Miho Nakamichi, Tetsuya Okaneya
BACKGROUND: Nasal bone osteotomy subjectively judges the position for osteotomy by visual inspection and by manual feel using the fingertip. Therefore, the outcome depends on the surgeon's experience and mastery of the procedure is technically challenging. METHODS: The authors applied a navigation system for the intraoperative evaluation of the osteotomy line and reduction position in 5 patients with malunited nasal bone fracture. The authors performed the operation with a temporal bone post developed for otologic surgery using Stealth Station S7 System (Medtronic, Minneapolis, MN)...
November 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29170838/embolization-of-a-traumatic-arteriovenous-fistula-between-the-middle-meningeal-artery-and-middle-meningeal-vein-in-a-child-with-pulsatile-tinnitus
#18
Mesha Martinez, Paola Pergami, Jonathan Murnick, Monica S Pearl
Traumatic arteriovenous fistulas (AVFs) involving the middle meningeal artery (MMA) are uncommon lesions and rare in the pediatric population. An adolescent with headaches developed a bruit and a rhythmic "swooshing" noise in the left ear 9 weeks after a traumatic brain injury involving a left temporal bone fracture. An MRA of the brain demonstrated an enlarged left MMA and arterialized flow in the left middle meningeal vein (MMV), suggestive of an AVF. Cerebral angiography confirmed and characterized the left MMA-MMV fistula, which drained into the pterygoid plexus...
November 23, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29165309/clinical-characteristics-of-patients-with-dizziness-after-motor-vehicle-accident
#19
Min Bum Kim, Suk Won Chang, Gil Chai Lim, Chan Il Song
OBJECTIVE: The purpose of this study was to identify the clinical characteristics of dizziness occurring after a motor vehicle accident. MATERIALS AND METHODS: We retrospectively analyzed 217 patients who had visited a tertiary medical center complaining of dizziness after a motor vehicle accident between January 2009 and December 2014. Of the 217 patients, we enrolled 54 patients who had undergone a vestibular function test and had no definite evidence of fracture of the temporal bone or intracranial lesions...
November 21, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29149352/prognostic-potential-of-markers-of-bone-turnover-in-delayed-healing-tibial-diaphyseal-fractures
#20
Malhar Kumar, Dnyaneshwar Shelke, Saumil Shah
INTRODUCTION: Clinical and radiographic examinations detect delayed or nonunion only after the event has occurred. Biochemical markers of bone turnover (BTMs) are promising laboratory tools that offer an early insight into the likelihood of delayed union. We hypothesized that BTMs display temporal variations following fractures and the behavior of BTMs differ between normal and delayed union of fractures. METHODS: This was a prospective study of patients with closed fracture of tibia treated with intramedullary, interlocking nailing...
November 17, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
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