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https://www.readbyqxmd.com/read/28106705/repair-of-orbital-floor-fracture-with-modified-transnasal-endoscopic-approach-through-anterior-space-to-nasolacrimal-duct
#1
Motohiko Suzuki, Yoshihisa Nakamura, Shinya Ozaki, Makoto Yokota, Shingo Murakami
OBJECTIVES: Endoscopic approach provides excellent magnification and visualization, and a purely transnasal approach is minimally invasive method. However, it is very difficult to repair anterior and lateral fractures with the previous transnasal endoscopic approaches, since repair of orbital fractures is managed through the middle meatus and ostium from the posterior side of the nasolacrimal duct with side-viewing endoscope and curved instruments. Therefore, the authors used modified transnasal endoscopic approach as an alternative for repair of orbital floor fractures in order to effectively reach the lateral or anterior fracture of the orbital floor with straight endoscope and instruments endoscopically...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28058144/failed-mask-ventilation-due-to-air-leakage-around-the-orbit-in-a-patient-with-a-history-of-radical-maxillofacial-surgery-with-orbital-exenteration
#2
Reiko Horishita, Kenji Kayashima
A 72-year-old male (height: 160 cm, weight: 53 kg) was scheduled to undergo left renal and male with ans uterine tract resection. The patient had previously undergone right radical maxillofacial surgery with orbital exenteration 14 years before the present operation to treat squamous cell carcinoma of the right maxillary sinus, with tumour invasion to the orbital floor. An anaesthesiologist encountered difficulty in performing mask ventilation during the induction of anaesthesia in the patient, despite a good mask fit on the face, because the adhesive tape around the orbit had moved...
December 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28038736/-bone-cement-implant-as-an-alternative-for-orbital-floor-reconstruction-a-case-report
#3
Enrique Vargas-Solalinde, Marisol E Huichapa-Padilla, Daniel Garza-Cantú, Víctor H Reyna-Martínez, Julio Alatorre-Ricardo, Juan Luis González-Treviño
BACKGROUND: The management of orbitary fractures is one of the most challenging in facial trauma; the variety of reconstruction materials for its treatment is broad and is constantly improving, but despite this there is no consensus for its use or literature that sustains it. OBJECTIVE: To present the use and design of a preformed bone implant as an alternative for the reconstruction of orbital floor fractures in the pediatric age group. CLINICAL CASE: A 7-year old male who suffered a right hemifacial contusion trauma with clinical and tomographic diagnosis of right pure blowout type orbital floor fracture with inferior rectus muscle entrapment and right post-traumatic palpebral ptosis...
December 27, 2016: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28032166/periorbital-and-intraorbital-studies-of-the-terminal-branches-of-the-ophthalmic-artery-for-periorbital-and-glabellar-filler-placements
#4
Tanvaa Tansatit, Prawit Apinuntrum, Thavorn Phetudom
BACKGROUND: Filler injections for sunken upper eyelid correction and glabellar augmentation at the orbitoglabellar region need to be performed correctly. Precise knowledge of the emerging sites of all terminal branches of the ophthalmic artery is essential for these procedures to be conducted safely. METHODS: The terminal branches of the ophthalmic artery were studied in both periorbital and intraorbital dissections. The aim of this study was to verify the critical positions of the emerging sites at the orbital septum that may act as potential retrograde channels for filler emboli...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28027179/sliced-costochondral-chip-grafts-in-posttraumatic-enophthalmos-correction
#5
Tae-Hoon Kim, Ie-Hyon Park, Sa-Hyeok Hong, Seok-Chan Eun
BACKGROUND: Posttraumatic enophthalmos is a relatively common problem following orbitozygomatic fractures. However, inadequate long-term results are frequently observed due to the difficulty of performing intraoperative fine adjustments to soft-tissue volume and orbital size and gradual absorption of some grafted materials. Here, the authors describe an efficient method of enophthalmos correction using sliced costochondral bone and cartilage combination grafts. METHODS: From 2005 to 2011, the authors corrected enophthalmos in 12 patients using sliced costochondral grafts...
December 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28012843/validation-of-a-novel-cognitive-simulator-for-orbital-floor-reconstruction
#6
Renata Khelemsky, Brianna Hill, Daniel Buchbinder
PURPOSE: The increasing focus on patient safety in current medical practice has promoted the development of surgical simulation technology in the form of virtual reality (VR) training designed largely to improve technical skills and less so for nontechnical aspects of surgery such as decision making and material knowledge. The present study investigated the validity of a novel cognitive VR simulator called Touch Surgery for a core maxillofacial surgical procedure: orbital floor reconstruction (OFR)...
December 11, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28005760/can-a-specific-computed-tomography-based-assessment-predict-the-ophthalmological-outcome-in-pure-orbital-floor-blowout-fractures
#7
Stéphane Bruneau, Raoul De Haller, Delphine S Courvoisier, Paolo Scolozzi
The aim of this study was to determine the predictive value of a specific computed tomography (CT)-based assessment for the final functional ophthalmological outcome in pure orbital floor blowout fractures. Data of 34 consecutive patients with pure blowout fractures who had undergone a period of at least 6 months of medical and ophthalmological follow-up were analyzed. The following 3 CT scan-based parameters were included: area ratio of the fractured orbital floor (RF), maximum height of periorbital tissue herniation (MH), and a 4-grade muscular subscore (MSS) describing the inferior rectus muscle displacement relative to the orbital floor level...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005755/management-of-zygomatic-fractures-in-young-patients-technical-modifications-for-aesthetic-and-functional-results
#8
Antonio Cortese, Giuseppe D'Alessio, Sergio Brongo, Maurizio Gargiulo, Pier Paolo Claudio
INTRODUCTION: The zygomaticomaxillary complex is very vulnerable to injury because of its intrinsically prominent convexity. There are 2 different surgical approaches for the therapy of these fractures: closed reduction and open reduction. In the open reduction 2 or 3 fixation points with related incisions are usually necessary in dislocated fractures: osteosynthesis must be performed starting from zygomaticofrontal suture when dislocated at this site, followed by zygomatic body fixation on the anterior sinus wall, anterior orbital floor margin fixation, and finally orbital floor reconstruction in case of eye globe dislocation with diplopia...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005751/postoperative-improvement-of-diplopia-and-extraocular-muscle-movement-in-patients-with-reconstructive-surgeries-for-orbital-floor-fractures
#9
Shao-Rui Liu, Xue-Fei Song, Zheng-Kang Li, Qin Shen, Xian-Qun Fan
OBJECTIVE: With orbital floor fracture incidence rates increasing year by year, many patients require surgical treatment to improve diplopia, limitation of extraocular muscle movement (EOM), enophthalmos, and midface appearance. With the use of high-density polyethylene, titanium screws, titanium plate, and titanium mesh to repair an orbital floor fracture, enophthalmos and midfacial deformity correction procedures have made great progress. However, attenuating diplopia and the limitation of EOM are still difficult problems to prevent...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27986443/3d-printed-simulation-device-for-orbital-surgery
#10
Juergen Thomas Lichtenstein, Alexander Nicolai Zeller, Juliana Lemound, Thorsten Enno Lichtenstein, Majeed Rana, Nils-Claudius Gellrich, Maximilian Eberhard Wagner
OBJECTIVES: Orbital surgery is a challenging procedure because of its complex anatomy. Training could especially benefit from dedicated study models. The currently available devices lack sufficient anatomical representation and realistic soft tissue properties. Hence, we developed a 3D-printed simulation device for orbital surgery with tactual (haptic) correct simulation of all relevant anatomical structures. DESIGN, SETTING, AND PARTICIPANTS: Based on computed tomography scans collected from patients treated in a third referral center, the hard and soft tissue were segmented and virtually processed to generate a 3D-model of the orbit...
January 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/27932858/one-stage-bone-strip-reconstruction-technique-with-balloon-sinus-dilatation-surgery-for-chronic-maxillary-atelectasis
#11
Tomoyuki Kashima, Robert A Goldberg, Jocelyne C Kohn, Daniel B Rootman
PURPOSE: Chronic maxillary atelectasis is characterized by unilateral spontaneous enophthalmos and hypoglobus due to increased orbital volume secondary to maxillary sinus inward deformation. Reformation of the sinus architecture and reconstruction of the orbit are key to a successful outcome. Here, we introduce a one-staged surgery that addresses both these goals. PATIENTS AND METHODS: We retrospectively reviewed 11 patients treated with one-stage orbital and sinus surgery...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27913446/use-of-bioresorbable-implants-for-orbital-fracture-reconstruction
#12
Stephanie M Young, Gangadhara Sundar, Thiam-Chye Lim, Stephanie S Lang, George Thomas, Shantha Amrith
PURPOSE: Bioresorbable implants offer several advantages over permanent implants and serve as a useful alternative in the reconstruction of orbital fractures. Our aim of the study was to evaluate the clinical effectiveness and safety of various bioresorbable implants in the repair of orbital fractures. METHODS: A retrospective review of all patients who had undergone orbital fracture repair with bioresorbable implants in a single tertiary trauma centre from January 2005 to December 2014 was performed...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27906852/fenestration-of-solid-orbital-implants-reducing-retrobulbar-hematoma-rate
#13
Scott J Farber, Jenny L Yu, Dennis C Nguyen, Albert S Woo
PURPOSE: Retrobulbar hematoma is an uncommon but potentially devastating complication following repair of orbital fractures. Since 2007, the senior author routinely fenestrates the solid porous polyethylene implants commonly used for orbital reconstruction. The perforated implant may facilitate drainage of postoperative bleeding and may potentially reduce the risk of retrobulbar hematoma. This study examines the rates of retrobulbar hematoma in patients who underwent orbital fracture reconstruction with placement of fenestrated or nonfenestrated implants...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27905348/the-imploding-antrum-an-unusual-case-of-nontraumatic-painless-enophthalmos
#14
Debraj Sen, Vijinder Arora, Saurabh Adlakha, Harleen Miglani
The imploding antrum or silent sinus syndrome is a rare phenomenon that presents with spontaneous painless enophthalmos and hypoglobus. It occurs due to ipsilateral maxillary antral atelectasis secondary to asymptomatic obstructive chronic sinus mucosal disease. Ophthalmologists, otorhinolaryngologists, and radiologists must be aware of this entity. This article illustrates the typical presentation in a 17-year-old male with unilateral ptosis and a deep superior sulcus, and characteristic imaging findings of ipsilateral increased orbital volume and depression of the orbital floor, maxillary sinus opacification and atelectasis with retraction of the posterolateral and medial walls, lateralization of the uncinate process, and obstruction of the ostiomeatal unit...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27902954/multi-recurrent-invasive-ameloblastoma-a-surgical-challenge
#15
Fatemah Faras, Fawaz Abo-Alhassan, Yona Israël, Barbara Hersant, Jean-Paul Meningaud
INTRODUCTION: Ameloblastomas are rare head and neck tumors, and yet the most common odontogenic neoplasms. They account for 1% and 11% of all head and neck and odontogenic tumors respectively. Embryologically, they originate from remnants of odontogenic epithelium. Their aggressive, destructive nature, as well as their anticipated high rate of recurrence, even after en bloc resection, poses a surgical predicament. PRESENTATION: We present a case of a 56 year-old Asian female with a multi-recurrent invasive ameloblastoma...
November 21, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27899021/does-preoperative-diplopia-determine-the-incidence-of-postoperative-diplopia-after-repair-of-orbital-floor-fracture-an-institutional-review
#16
Avisham Ramphul, Gary Hoffman
PURPOSE: The purpose of our study was to investigate whether the occurrence of preoperative diplopia determines the incidence of postoperative diplopia after orbital floor repair. MATERIALS AND METHODS: We undertook a retrospective cohort study with a review of the records of 126 consecutive patients who had undergone repair of an orbital floor fracture under the maxillofacial surgery service at John Hunter Hospital (Newcastle, NSW, Australia). The primary predictor variables were a number of demographic, etiologic, and operative factors that might influence the occurrence of diplopia...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27893551/mid-face-degloving-an-alternate-approach-to-extended-osteotomies-of-the-midface
#17
Anantanarayanan Parameswaran, Naveen Kumar Jayakumar, Manikandhan Ramanathan, Hermann F Sailer
Extended osteotomies for mid-face advancement require generous exposure of the anterior maxilla, nasal bones, infraorbital rims, orbital floor, zygoma, and the anterior third of the zygomatic arches. This cannot be obtained with an exclusive transoral approach. Hence, the surgeon is usually compelled to utilize supplemental cutaneous incisions that are a compromise on the purpose behind a cosmetic surgery. In order to alleviate the need for such compromise, the authors advocate the mid face degloving approach for extended osteotomies at Lefort II and Lefort III levels...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27879619/bloody-epiphora-hemolacria-years-after-repair-of-orbital-floor-fracture
#18
Brian H Chon, Rui Zhang, David S Bardenstein, Michael Coffey, Atif C Collins
Surgical repair of orbital fractures with implants is a widely used treatment modality. While a variety of established complications are associated with this technique, most are directly understood and treated. Bloody epiphora is a finding with potentially ominous causes. The authors present a unique case of bloody epiphora, accompanied by orbital hemorrhage arising several years after orbital floor fracture repair, due to erosion of the nasolacrimal drainage system by a displaced implant combined with anticoagulation...
November 22, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27870353/eye-size-and-set-in-small-bodied-fossil-primates-a-three-dimensional-method
#19
Alfred L Rosenberger, Tim D Smith, Valerie B DeLeon, Anne M Burrows, Robert Schenck, Lauren B Halenar
We introduce a new method to geometrically reconstruct eye volume and placement in small-bodied primates based on the three-dimensional contour of the intraorbital surface. We validate it using seven species of living primates, with dry skulls and wet dissections, and test its application on seven species of Paleogene fossils of interest. The method performs well even when the orbit is damaged and incomplete, lacking the postorbital bar and represented only by the orbital floor. Eye volume is an important quantity for anatomic and metabolic reasons, which due to differences in eye set, or position within (or outside) the bony orbit, can be underestimated in living and fossil forms when calculated from aperture diameter...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27861401/orbitocutaneous-fistula-secondary-to-buried-polyethylene-mesh-implant-12-years-after-injury
#20
Won-Kyung Cho, Audrey C Ko, Bobby S Korn, Don O Kikkawa
Fabric monofilament polyethylene mesh is an implant primarily used in the repair of abdominal and chest walls. However, there have been isolated reports of using this implant in facial reconstruction. The authors describe a patient who underwent prior orbital floor fracture repair with polyethylene mesh and subsequently developed a recurrent orbital abscess 12 years later. Despite incorporation of the fabric monofilament polyethylene mesh within healed bone, an orbitocutaneous fistula developed after a secondary injury, causing hyperglobus and cicatricial lower eyelid retraction...
November 15, 2016: Ophthalmic Plastic and Reconstructive Surgery
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