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https://www.readbyqxmd.com/read/29775558/reconstructing-a-traumatic-empty-orbit-principles-difficulties-of-treatment-and-literature-review
#1
REVIEW
Panagiotis Stathopoulos, Philip Ameerally
PURPOSE: This report describes the case of a serious orbital injury in which the globe was completely displaced into the nasal cavity and the orbit was clinically empty. The authors discuss the difficulties encountered in the management of this patient and their principles in the reconstruction of a complex defect. MATERIALS AND METHODS: In this rare case of severe injury, the authors used a combined transconjunctival and ethmoidal approach to retrieve the displaced globe from the nasal cavity...
April 21, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29771840/combined-access-for-the-treatment-of-medial-orbital-wall-fracture-subciliary-and-upper-eyelid-sulcus-incisions
#2
Mariana Alcantara Rodrigues de Moraes, João Pedro Rocha Biló, Max Domingues Pereira
The present study presents a new surgical approach to treat medial orbital wall fractures, that is, the combined transcutaneous access through subciliary and upper eyelid sulcus incisions. The study performed the retrospective analysis of medical records belonging to 14 consecutive patients with medial orbital wall fracture, who were treated in the Plastic Surgery Division at Federal University of São Paulo, from 2005 to 2013, through the combination of subciliary and upper eyelid sulcus incisions to access the fracture foci...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771827/the-influence-of-socioeconomic-factors-on-the-epidemiology-of-maxillofacial-fractures-in-southern-italy
#3
Carolina Sbordone, Ida Barca, Marzia Petrocelli, Giovanni Dell'Aversana Orabona, Luigi Angelo Vaira, Walter Colangeli, Maria Giulia Cristofaro, Mario Giudice, Amerigo Giudice, Francesco Maria Cassandro, Federica Attanasi, Giorgio Iaconetta, Luigi Califano
Maxillofacial fractures represent a serious public health problem. Their epidemiology is extremely variable and its analysis is crucial to establish effective treatment and prevention of these injuries. The aim of this multicentric retrospective study was to analyze causes, demographics, incidence, characteristics of 987 patients diagnosed with maxillofacial trauma between 2011 and 2015 at Complex Operative Unit of Maxillofacial Surgery of Federico II University of Naples and Magna Graecia University of Catanzaro, Italy; 657 male and 310 female patients were admitted in the study...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29759951/immediate-and-long-term-results-of-unsintered-hydroxyapatite-and-poly-l-lactide-composite-sheets-for-orbital-wall-fracture-reconstruction
#4
Keishi Kohyama, Yoko Morishima, Koki Arisawa, Yuko Arisawa, Hisakazu Kato
INTRODUCTION: Bone defect reconstruction in orbital wall fractures with absorbable alloplastic such as the unsintered hydroxyapatite and poly L-lactide composite (u-HA/PLLA) system is gaining popularity. The u-HA/PLLA material has osteoconductive and osteosynthetic properties. However, quantitative, long-term outcome data after the use of u-HA/PLLA for orbital wall fractures are lacking. PATIENTS AND METHODS: We retrospectively analyzed 115 patients who underwent surgical repair of orbital wall fractures with a u-HA/PLLA sheet from 2011 to 2016...
March 28, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29745761/diagnostic-reliability-of-low-dose-multidetector-computed-tomography-and-cone-beam-computed-tomography-in-maxillofacial-trauma-an-experimental-blinded-and-randomized-study
#5
Romke Rozema, Michiel Hj Doff, Peter Ma van Ooijen, Douwe Postmus, Henriëtte E Westerlaan, Martijn F Boomsma, Baucke van Minnen
OBJECTIVE: To assess the diagnostic reliability of low dose Multidetector Computed Tomography (MDCT) and Cone Beam Computed Tomography (CBCT) for zygomaticomaxillary fracture diagnosis. METHODS: Unilateral zygomaticomaxillary fractures were inflicted on four out of six fresh frozen human cadaver head specimens. All specimens were scanned using four MDCT and two CBCT imaging protocols of which the radiation exposure was systematically reduced. A blinded diagnostic routine was simulated at which 16 radiologists and 8 oral and maxillofacial (OMF) surgeons performed randomized image assessments...
May 10, 2018: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/29713397/a-single-center-review-of-facial-fractures-as-the-result-of-high-speed-projectile-injuries
#6
Farrah C Liu, Jordan N Halsey, Ian C Hoppe, Frank S Ciminello, Edward S Lee, Mark S Granick
Purpose: Gunshot injuries to the face that result in fractures of the underlying skeleton present a challenge in management. The goal of this study was to evaluate patterns of facial fractures as a result of gunshot injuries and strategies for management. Methods: A retrospective review of facial fractures resulting from gunshot injuries in a level 1 trauma center was performed for the years 2000 to 2012. Data were collected for patient demographics, fracture distribution, concomitant injuries, and surgical management strategies...
2018: Eplasty
https://www.readbyqxmd.com/read/29700538/highly-negative-poisson-s-ratio-in-a-flexible-two-dimensional-tungsten-carbide-monolayer
#7
Donghai Wu, Shuaiwei Wang, Shouren Zhang, Jinyun Yuan, Baocheng Yang, Houyang Chen
Auxetic materials have numerous promising engineering applications such as fracture resistance and energy storage due to their negative Poisson's ratios (NPRs). However, compared to materials possessing positive Poisson's ratios (PPRs), auxetic materials are rare. In this paper, by employing first principles calculations, we found a high NPR two-dimensional (2D) material, tungsten carbide (W2C), in the transition metal carbides (MXenes). Our results of the relatively moderate Young's modulus and fracture strength as well as the critical strain showed that the 2D monolayer W2C is an extraordinary flexible material...
April 27, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29698348/accuracy-of-bedside-ultrasound-for-the-diagnosis-of-skull-fractures-in-children-aged-0-to-4-years
#8
Jea Yeon Choi, Yong Su Lim, Jae Ho Jang, Won Bin Park, Soung Youl Hyun, Jin Seong Cho
OBJECTIVES: The aim of this study was to investigate the accuracy of bedside ultrasound (US) performed by emergency physicians for diagnosing skull fractures in children 0 to 4 years old compared with the accuracy of head computed tomography (CT). We also sought to investigate characteristics and precautions associated with US. METHODS: This single-center prospective study involved children 0 to 4 years old who had a history of head trauma. Bedside US was performed by emergency medicine physicians, and the results were compared with CT scan interpretations provided by attending radiologists...
April 24, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29697631/facial-fractures-pearls-and-perspectives
#9
Obaid Chaudhry, Matthew Isakson, Adam Franklin, Suhair Maqusi, Christian El Amm
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Describe the A-frame configuration of anterior facial buttresses, recognize the importance of restoring anterior projection in frontal sinus fractures, and describe an alternative design and donor site of pericranial flaps in frontal sinus fractures. 2. Describe the symptoms and cause of pseudo-Brown syndrome, describe the anatomy and placement of a buttress-spanning plate in nasoorbitoethmoid fractures, and identify appropriate nasal support alternatives for nasoorbitoethmoid fractures...
May 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29659434/similarity-in-bilateral-isolated-internal-orbital-fractures
#10
Hung-Chang Chen, Jacob T Cox, Abanti Sanyal, Nicholas R Mahoney
PURPOSE: In evaluating patients sustaining bilateral isolated internal orbital fractures, the authors have observed both similar fracture locations and also similar expansion of orbital volumes. In this study, we aim to investigate if there is a propensity for the 2 orbits to fracture in symmetrically similar patterns when sustaining similar trauma. METHODS: A retrospective chart review was performed studying all cases at our institution of bilateral isolated internal orbital fractures involving the medial wall and/or the floor at the time of presentation...
April 13, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29659145/ocular-trauma-in-the-finnish-elderly-helsinki-ocular-trauma-study
#11
Ahmad Sahraravand, Anna-Kaisa Haavisto, Juha M Holopainen, Tiina Leivo
PURPOSE: To describe epidemiology, causes, treatments and outcomes of all ocular injuries in southern Finland among people aged 61 and older. METHODS: All new ocular trauma patients, admitted to the Helsinki University Eye Hospital, during 1 year in 2011-2012. The data were from hospital records and prospectively from patient questionnaires. The follow-up time was 3 months. RESULTS: The incidence for ocular injuries among the elderly was 38/100 000/year...
April 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29651506/characteristics-on-621-cases-of-craniomaxillofacial-fractures
#12
Yang Lu, Hangqi Shen, Jiayi Wang, Xiaofeng Lu
PURPOSE: This study examined a single center's experience with regards to etiology and distribution of fractures treated from July 2015 to August 2016 in Shanghai, China. METHODS: The medical records of 621 patients with craniomaxillofacial fractures were reviewed. Patient notes and radiographic images were analyzed for detailed injury data. Age, gender, etiology, and site of fracture were examined. Chi-square test was used to analyze the causes of single and multiple fractures...
April 12, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29644277/isolated-orbital-roof-blow-in-fracture
#13
Kaitlyn M Rountree, John J Blase
We report a rare case of a right orbital roof blow-in fracture in a 40-year-old male with concomitant basal skull fracture and intracranial hemorrhage after a fall backward. Trauma, neurosurgery, ophthalmology, and maxillofacial surgery consultations were obtained. Conservative, non-surgical management was recommended for all injuries, and outpatient follow up for orbital fracture with no surgery offered.
December 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29643794/isolated-medial-orbital-wall-fracture-associated-with-enophthalmos-in-a-paediatric-patient-an-unusual-presentation
#14
Panagiotis Giannakouras, Georgios Pollalis, Efthymia Tsina
Purpose: To report a case of isolated medial orbital wall fracture with enophthalmos in a paediatric patient and describe the clinical presentation and findings by means of computed tomography (CT) of the head and eyes. Methods: We looked at the patient's medical and ophthalmologic history, and an ophthalmologic examination and a CT of the head were performed at baseline. Results: A 14-year-old boy was admitted to the emergency department of our institution with ecchymosis of his right eyelids secondary to a sport accident...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29628302/separation-patterns-of-orbital-wall-and-risk-of-optic-canal-injury-in-le-fort-3-osteotomy
#15
Niyazi Aizezi, Tomohisa Nagasao, Tadaaki Morotomi, Motoki Tamai, Koji Imajo
PURPOSE: The authors hypothesized that the risks of optic canal injury in down-fracturing after Le Fort 3 osteotomy vary depending on the separation patterns of the orbital walls. This study verifies this hypothesis using biomechanical simulation. METHODS: Ten finite-element skull models were produced using computer tomography data from ten persons. These models were modified to simulate Le Fort 3 osteotomy models by removing junctions between the neurocranium and facial cranium...
May 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29621890/biomechanical-analysis-of-likelihood-of-optic-canal-damage-in-peri-orbital-fracture
#16
Tomohisa Nagasao, Tadaaki Morotomi, Motone Kuriyama, Motoki Tamai, Yoshiaki Sakamoto, Naoki Takano
PURPOSE: Detection of optic canal fractures is often difficult because of the subtleness of the fracture. If we could clarify impact on which region around the orbit is likely to accompany the fracture of the optic canal, the knowledge should be useful to make early diagnosis of optic canal fractures. The present study was conducted to elucidate this issue. METHODS: Ten finite element models were produced simulating the skulls of ten humans (8 males and 2 females; 43...
December 2018: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/29618885/endoscopic-assisted-combined-transantral-and-subciliary-approach-in-treatment-of-orbital-floor-fracture-a-case-report
#17
Venkatesh Anehosur, K Harish
Management of orbital floor fracture remains the most debated topic in maxillofacial field. There are many approaches to reconstruct orbital floor fractures and restore orbital position and function, but many have the drawback of incomplete visualization, especially of the posterior part of the orbit. Pain, diplopia and enophthalmos are the most common presenting symptoms in patients who sustained orbital blow out fracture. The main aim in treating orbital fracture is to reduce the prolapsed orbital tissue and reconstruct the floor which will improve diplopia and enophthalmos...
June 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29608480/orbital-fracture-reconstruction-using-prebent-anatomic-titanium-plates-technical-tips-to-avoid-complications
#18
Chad A Purnell, Elbert E Vaca, Marco F Ellis
Orbital fractures are common. In patients where there is significant loss of the medial wall and orbital floor, anatomic prebent 3-dimensional plates allow efficacious restoration of orbital volume. However, the large size of these plates can result in technical difficulties with plate placement, especially in fractures with complete loss of 2 walls of the orbit. In this article, the authors review the pertinent anatomy of the bony orbit with respect to fracture and landmarks in fracture reduction. The authors also note the 3 most commonly encountered problems with the placement of anatomic plates: poor exposure, failure to identify the posterior ledge for the plate, and rotational issues with plate placement resulting in impingement...
March 30, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29577100/lagophthalmos-caused-by-cicatricial-adhesion-of-orbital-adipose-tissue-to-orbital-roof-a-case-report
#19
Yoshiyuki Kitaguchi, Jacqueline Mupas-Uy, Yasuhiro Takahashi, Hirohiko Kakizaki
Purpose: To report a case of lagophthalmos caused by cicatricial adhesion of orbital adipose tissue to the orbital roof. Observations: A 23-year-old female was presented with right lagophthalmos. Five months prior to consult at our clinic, she suffered from a penetrating trauma to the frontal lobe of the brain through the right orbital roof with cerebrospinal fluid leakage. Decompressive craniectomy was performed immediately after the injury using a coronal incision, which was followed by reconstruction with an artificial bone 1 month later...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29570517/percutaneous-screws-and-external-fixation-in-frontal-sinus-anterior-wall-fractures
#20
Muhammet Uraloğlu, Alper Ural, Murat Livaoğlu, Naci Karaçal
Fractures of the frontal sinus are frequently encountered injuries of maxillofacial fractures. The most common causes are traffic accidents, followed by sports-related injuries. There is still no consensus regarding the optimal management of frontal sinus fractures. The authors report a patient with depressed anterior wall fracture of the frontal sinus and superior orbital rim fracture. Reduction was performed by traction from 2 screws applied percutaneously to the depressed fragments and external fixation with an aluminum nasal splint...
March 22, 2018: Journal of Craniofacial Surgery
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