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Orbital surgery

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https://www.readbyqxmd.com/read/28318927/classical-versus-custom-orbital-wall-reconstruction-selected-factors-regarding-surgery-and-hospitalization
#1
Rafał Zieliński, Marta Malińska, Marcin Kozakiewicz
PURPOSE: Nowadays, in orbital wall reconstruction, maxillofacial surgeons have the possibility to treat patients in modern ways such as with individual implants. Nevertheless, conventional treatment including standard titanium mesh shaped during the surgical procedure is also widely used. The aim of this study was to compare the above methods of orbital wall reconstructions. MATERIALS AND METHODS: In the first group (39 cases), patients were treated by means of computer-aided design/computer-aided manufacturing (CAD/CAM) milled individual implants made of ultra-high-molecular-weight polyethylene, dioxide zirconium and rapid prototyping titanium mesh pre-bent on an ABS model made by a three-dimensional (3D) printer...
February 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318922/surgical-rehabilitation-for-anophthalmic-sockets-devoid-of-orbital-implant
#2
Doo-Ri Eo, Yoon-Duck Kim, Kyung In Woo
PURPOSE: To determine the necessity of rehabilitative surgical procedures for no implant anophthalmic sockets, and predictive factors of corrective operations after secondary orbital implantation. MATERIAL AND METHODS: Nineteen unilateral anophthalmic patients without orbital implant were included. The distance of eyebrow, upper eyelid margin, and lower eyelid margin from the horizontal medial canthal line (BM, UM, and LM, respectively) was measured using photographs...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318916/radiation-free-3d-head-shape-and-volume-evaluation-after-endoscopically-assisted-strip-craniectomy-followed-by-helmet-therapy-for-trigonocephaly
#3
Guido de Jong, Manon Tolhuisen, Jene Meulstee, Ferdi van der Heijden, Erik van Lindert, Wilfred Borstlap, Thomas Maal, Hans Delye
INTRODUCTION: Radiation-free 3D post-operative sequential follow-up in craniosynostosis is hindered by the lack of consistent markers restricting evaluation to subjective comparison. However, using the computed cranial focal point (CCFP), it is possible to perform correct sequential image superposition and objective evaluation. We used this technique for mean volume and shape change evaluation of the head utilizing 3D photos after endoscopically assisted trigonocephaly surgery. METHODS: We performed a mean head shape and volume evaluation on age grouped 3D photos (n = 86) of children who underwent endoscopically assisted strip craniectomy with helmet therapy...
February 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28314402/management-of-orbital-involvement-in-sinonasal-and-ventral-skull-base-malignancies
#4
REVIEW
Gregory S Neel, Thomas H Nagel, Joseph M Hoxworth, Devyani Lal
The orbit may be frequently involved by sinonasal or ventral skull base malignancy. This involvement bodes a poorer prognosis for survival. Multimodality therapy with surgery and radiation therapy is usually attempted to optimize local control and overall survival. Oncologic surgical resection with negative margins is critical to local control and survival. In the past, any involvement of the orbit was deemed to necessitate orbital sacrifice. However, contemporary studies show that in carefully selected cases, orbital preservation does not adversely impact survival...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28314224/image-guided-system-endoscopic-drainage-of-orbital-abscess-caused-by-methicillin-resistant-staphylococcus-aureus-in-an-infant
#5
Tan Chai-Lee, Sanjeevan Nadarajah, Baharudin Abdullah, Irfan Mohamad, Thevagi Maruthamuthu, Chandran Nadarajan, Talib Norain, Ismail Shatriah
INTRODUCTION: The management of orbital abscesses in neonates and infants is very challenging. Surgical drainage of the abscess is aimed at removing the pus and preventing blindness. We describe a case of orbital abscess in an infant that was caused by methicillin-resistant Staphylococcus aureus and that was successfully drained with image-guided endoscopic surgery. PRESENTATION OF CASE: A 39-day-old infant presented with progressive right maxillary swelling complicated by methicillin-resistant Staphylococcus aureus orbital abscess...
February 28, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28301490/a-novel-flexible-microfluidic-meshwork-to-reduce-fibrosis-in-glaucoma-surgery
#6
Behzad Amoozgar, Xiaoling Wei, Jun Hui Lee, Michele Bloomer, Zhengtuo Zhao, Paul Coh, Fei He, Lan Luan, Chong Xie, Ying Han
PURPOSE/RELEVANCE: Fibrosis and hence capsule formation around the glaucoma implants are the main reasons for glaucoma implant failure. To address these issues, we designed a microfluidic meshwork and tested its biocompatibility in a rabbit eye model. The amount of fibrosis elicited by the microfluidic meshwork was compared to the amount elicited by the plate of conventional glaucoma drainage device. METHODS: Six eyes from 3 New Zealand albino rabbits were randomized to receive either the novel microfluidic meshwork or a plate of Ahmed glaucoma valve model PF7 (AGV PF7)...
2017: PloS One
https://www.readbyqxmd.com/read/28298794/anesthetic-implications-in-a-child-with-crouzon-syndrome
#7
Ajeet Kumar, Nitika Goel, Chandni Sinha, Abhishek Singh
Crouzon syndrome (CS) is an autosomal dominant genetic disorder characterized by craniofacial dysostosis. Premature fusion of skull base leads to midfacial hypoplasia, shallow orbit, mandibular prognathism, overcrowding of upper teeth, high-arched palate, and upper airway obstruction. It is important for anesthesiologists managing such patients to recognize and avoid potential airway complications. Here, we present a case of a 10-year-old child with CS posted for ptosis correction surgery. Use of peripheral nerve blocks to cut down opioid requirement, inhalational induction, and maintenance are key aspects in successful management of such cases...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28295944/paracentral-acute-middle-maculopathy-as-a-finding-in-patients-with-severe-vision-loss-following-phacoemulsification-cataract-surgery
#8
Katarina Creese, Daini Ong, Sukhpal S Sandhu, David Ware, C Alex Harper, Salmaan H Al-Qureshi, Sanjeewa S Wickremasinghe
IMPORTANCE: Paracentral acute middle maculopathy (PAMM) as diagnosed by spectral domain optical coherence tomography (SD-OCT) may be associated with "patch off" visual loss post cataract surgery. BACKGROUND: To report a case series of severe vision loss due to PAMM after cataract surgery DESIGN: Retrospective case series. PARTICIPANTS: Cases from five surgical centres (public and private) in Victoria, Australia. METHODS: Retrospective analysis of cases with unexplained "patch-off" vision loss post cataract surgery...
March 13, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28291218/-endoscopic-transnasal-surgery-for-giant-fibrous-dysplasia-of-the-skull-base-spreading-to-the-right-orbital-cavity-and-nasopharynx-a-case-report-and-literature-review
#9
A N Shkarubo, A Yu Lubnin, E Yu Bukharin, L V Shishkina, D N Andreev, K V Koval', I V Chernov, V V Karnaukhov
BACKGROUND: An extended endoscopic endonasal approach is increasingly used in surgical treatment of space-occupying skull base lesions. The international literature reports only 20 cases of surgical treatment for fibrous dysplasia (PD) of the skull base using the endoscopic endonasal approach. We present our experience with the endoscopic endonasal approach in surgical treatment for giant fibrous dysplasia of the skull base, spreading to the right orbital cavity and nasopharynx. CLINICAL CASE: A 26-year-old male patient presented with cranial pain, Vth nerve dysfunction on the right, right keratopathy...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28291193/-surgical-rehabilitation-of-patients-with-thyroid-eye-disease-systematic-approach
#10
S E Avetisov, Ya O Grusha, D S Ismailova, P A Kochetkov, S S Danilov, N Yu Sviridenko
AIM: to analyze the results of surgical treatment of patients with thyroid eye disease (TED), including the type of surgery, indications, and outcomes. MATERIAL AND METHODS: Hundred thirty-nine patients with TED (112 females, 27 males) aged 45.8±13.6 years. RESULTS: Bony orbital decompression was performed in 91 patients (128 orbits). After the surgery, visual acuity increased from 0.84±0.47 up to 0.94±0.32 (р<0.05), exophthalmos got reduced by the average of 3...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28281723/morphometric-study-of-the-extraocular-muscles-in-thai-population
#11
Nuntachai Surawatsatien, Yarnarin Papassornsiri, Vilai Chentanez
Morphology of the extraocular muscles plays an important role in many ophthalmological surgeries and diagnostic imaging studies. Detailed understanding of length, width, point of insertion and the relationships between these muscles could be of significance for successful surgical outcomes. Forty- six orbital contents were extracted from formaldehyde-embalmed cadavers. Dissection was performed to reveal the extraocular muscles from their origins to insertions on the sclera. Muscle length, muscle width, distance from point of insertion to the sclerocorneal limbus, relationship between the superior oblique and superior rectus and between the inferior oblique and lateral rectus were measured...
March 10, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28271509/silent-sinus-syndrome-after-facial-trauma-a-case-report-and-literature-review
#12
Rakhna Araslanova, Larry Allen, Brian W Rotenberg, Leigh J Sowerby
OBJECTIVE: The accepted definition of silent sinus syndrome (SSS) excludes posttraumatic cases. To challenge current exclusion criteria of antecedent facial trauma, we have identified all published cases of posttraumatic SSS in English literature, including a new representative case from our institution. DATA SOURCES: MEDLINE, EMBASE, and Scopus databases. REVIEW METHODS: All case reports and case series published in English literature from 1964 through August 2016 were sequentially identified...
March 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28268157/orbicularis-oculi-muscle-tightening-for-involutional-entropion
#13
Hitoshi Nemoto, Tomoichiro Togo, Naoki Maruyama, Kenta Miyabe, Seiko Nakae, Noriyoshi Sumiya
AIMS: To describe a novel technique for involutional entropion (IE) correction and present a retrospective case study. PATIENTS AND METHODS: The entropion eyelid was corrected by repairing the thin preseptal orbicularis oculi muscle (OOM) of the lower eyelid. Patients underwent correction with this method from 2005 to 2014 and were followed up for 2 years postoperatively. They were evaluated retrospectively with chart review (operation time, recurrence rate, operator years of experience as a plastic surgeon, etc...
February 17, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28260364/-multi-wall-orbital-decompression-for-disfiguring-proptosis-in-patients-with-mild-or-moderate-thyroid-eye-disease
#14
Y Wang, N Yang, Y Y Li, L H Xiao
Objective: To evaluate the efficacy of orbital decompression by transconjunctival medial and inferior wall combined transpalpebral lateral wall for disfiguring proptosis with mild or moderate thyroid eye disease (TED). Methods: It is a retrospective case series study. The clinical data of 18 TED cases (28 orbits) between Dec 2013 and Dec 2015 at the Institute of Orbital Diseases of the General Hospital of the Armed Police were reviewed. All the patients underwent mulit-wall orbital decompression to relieve remarkable proptosis, widen eyelid fissure, and swollen eyelid...
February 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28260363/-clinical-features-treatment-and-prognosis-of-retinoblastoma-in-distant-metastasis-stage
#15
H M Hu, W L Zhang, Y Z Wang, J T Shi, B Li, Y Zhang, J Li, Y Wen, D S Huang
Objective: To summarize the clinical features, treatment and prognosis of retinoblastoma (RB) patients in distant metastasis stage. Methods: Retrospective case series study. Clinical data of 24 cases (30 eyes) with diagnosis of distant metastasis stage RB were collected in pediatrics department of Beijing Tongren Hospital affiliated with Capital Medical University, from September 2005 to December 2013. In these cases, including 11 male cases and 13 female cases, the treatment age ranged from 7 months to 9 years with the median of 26 months...
February 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28255288/orbital-decompression-for-thyroid-eye-disease
#16
REVIEW
Tara L Braun, Mohin A Bhadkamkar, Kevin T Jubbal, Adam C Weber, Douglas P Marx
Although most cases of thyroid eye disease (TED) can be managed medically, some refractory or severe cases are treated surgically with orbital decompression. Due to a lack of randomized controlled trials comparing surgical techniques for orbital decompression, none have been deemed superior. Thus, each case of TED is managed based on patient characteristics and surgeon experience. Surgical considerations include the extent of bony wall removal, the surgical approach, the choice of incision, and the use of fat decompression...
February 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28252588/-transethmoidal-decompressive-orbitotomy-in-the-patients-presenting-with-endocrine-ophthalmopathy-at-the-stage-of-remission-peculiarities-of-the-surgical-intervention-and-the-results-of-exophthalmos-correction
#17
P A Kochetkov
The objective of the present study was to analyze the original results of the transethmoidal decompressive surgical interventions on the eye orbits of the patients presenting with endocrine ophthalmopathy (EOP) including the evaluation of regress of exophthalmos during the post-operative period. The study included 51 patients with endocrine ophthalmopathy at the stage of remission or pharmacotherapeutic compensation of the underlying process. A total of 80 eye-socket were treated in 29 patients with unilateral exophthalmos and 22 ones having bilateral exophthalmos...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28244901/new-classification-system-for-tear-trough-deformity
#18
Mohammed G Turkmani
BACKGROUND: Tear trough deformities (TTD) refer to a set of conditions leading to different shapes in the junction between the lower eyelid and the cheek. Tear trough deformity is a major aesthetic concern for a lot of individuals seeking periorbital rejuvenation and is one of the most discussed landmarks in facial aesthetic surgery. OBJECTIVE: To describe a new morphologically related classification system, providing an objective means to evaluating the deformity...
February 27, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28237145/application-of-rose-and-wright-s-algorithm-in-the-diagnosis-of-lacrimal-gland-masses-a-study-of-93-cases
#19
Xiang-Ning Wang, Jiang Qian, Yi-Fei Yuan, Rui Zhang, Yan-Qing Zhang
OBJECTIVE: To investigate the application of Rose and Wright's algorithm in diagnosing lacrimal gland masses. DESIGN: Retrospective observational cases series. PARTICIPANTS: A total of 93 consecutive patients with primary masses within the orbital lobe of the lacrimal gland were reviewed. METHODS: Before treatment, patients' detailed history was collected verbally and all patients underwent image examination (computed tomography and magnetic resonance imaging)...
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28231275/suppression-of-tgf-%C3%AE-pathway-by-pirfenidone-decreases-extracellular-matrix-deposition-in-ocular-fibroblasts-in-vitro
#20
Thomas Stahnke, Bhavani S Kowtharapu, Oliver Stachs, Klaus-Peter Schmitz, Johannes Wurm, Andreas Wree, Rudolf Friedrich Guthoff, Marina Hovakimyan
In glaucoma surgery, fibrotic processes occur, leading to impairment of liquid outflow. Activated fibroblasts are responsible for postoperative scarring. The transforming growth factor-β (TGF-β) pathway plays a key role in fibroblast function, differentiation and proliferation. The aim of this study was the characterization of the fibrotic potential of two subtypes of primary human ocular fibroblasts and the attempt to inhibit fibrotic processes specifically, without impairing cell viability. For fibrosis inhibition we focused on the small molecule pirfenidone, which has been shown to prevent pulmonary fibrosis by the decrease of the expression of TGF-β1, TGF-β2 and TGF-β3 cytokines...
2017: PloS One
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