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https://www.readbyqxmd.com/read/28089839/maxillary-artery-to-middle-cerebral-artery-bypass-a-novel-technique-for-exposure-of-the-maxillary-artery
#1
Kaan Yagmurlu, M Yashar S Kalani, Nikolay L Martirosyan, Sam Safavi-Abbasi, Evgenii Belykh, Avra S Laarakker, Peter Nakaji, Joseph M Zabramski, Mark C Preul, Robert F Spetzler
OBJECTIVES: Define the maxillary artery (MaxA) anatomy and present a novel technique for exposing and preparing this vessel as a bypass donor. METHODS: Cadaveric and radiological studies were used to define the MaxA anatomy and illustrate a novel method for harvesting and preparing it for extracranial-to-intracranial bypass. RESULTS: The MaxA runs parallel to the frontal branch of the superficial temporal artery (STA) and is located on average 24...
January 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28068964/management-of-screwdriver-induced-penetrating-brain-injury-a-case-report
#2
Jia Shi, Yumin Mao, Jiachao Cao, Bo Dong
BACKGROUND: Penetrating brain injury (PBI) can be caused by several objects ranging from knives to chopsticks. However, an assault with long and electric screwdriver is a peculiar accident and is relatively rare. Because of its rarity, the treatments of such injury are complex and nonstandardized. CASE PRESENTATION: We presented a case of a 54-year-old female who was stabbed with a screwdriver in her head and accompanied by loss of consciousness for 1 h. Computer tomography (CT) demonstrated that the screwdriver passed through the right zygomatic bone to posterior cranial fossa...
January 10, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28061486/superficial-temporal-artery-sparing-mini-pterional-approach-for-cerebral-aneurysm-surgery
#3
Jun-Young Ahn, Sung-Tae Kim, Ki-Chang Yi, Won-Hee Lee, Sung Hwa Paeng, Young-Gyun Jeong
OBJECTIVE: The purposes of this study were to introduce a superficial temporal artery (STA)-sparing mini-pterional approach for the treatment of cerebral aneurysms and review the surgical results of this approach. METHODS: Between June 2010 and December 2015, we performed the STA-sparing mini-pterional approach for 117 patients with 141 unruptured intracranial aneurysms. We analyzed demographic, radiologic, and clinical variables including age, sex, craniotomy size, aneurysm location, height of STA bifurcation, and postoperative complications...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28060093/zygomatic-arch-reconstruction-with-miniplate-of-2-0-system-in-complex-fracture
#4
Rodrigo Capalbo-da-Silva, Pedro Henrique Silva Gomes-Ferreira, Luis Fernando Azambuja Alcalde, Erik Neiva Ribeiro de Carvalho Reis, Ciro Borges Duailibe de Deus, Claudio Maltonado Pastori, Francisley Avila Souza
No abstract text is available yet for this article.
January 5, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28050992/dautrey-s-procedure-revisited-in-management-of-recurrent-mandibular-dislocation
#5
Joanna Baptist, Mohan Baliga
Mandibular dislocation occurs when the condylar head glides out of the glenoid fossa with the condyle positioned in such a way that its posterior articulating surface lying ahead of the articular eminence. Recurrent mandibular dislocation is relatively uncommon. Patient is extremely distressed and goes through a lot of discomfort. Varied etiologies have been cited in the literature, such as keeping the mouth wide open for long periods of time during dental procedures, yawning, laughing, traumatic injuries to the mandible, psychiatric disturbances, and certain drugs...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28042220/internal-carotid-artery-fibromuscular-dysplasia-in-a-child-incidental-postmortem-finding-after-head-injury
#6
Arulselvi Subramanian, Garima Aggarwal, Deepak Agarwal, Sanjeev Lalwani
Fibromuscular dysplasia (FMD) is a rare, segmental, nonatheromatous, and noninflammatory arterial disease of unknown etiology. It predominantly involves renal artery (60-75%) followed by extracranial part of the internal carotid artery and vertebral arteries (25-30%). The disease typically affects middle-aged women and involves intermediate-sized arteries throughout the body. There are rare case reports of extracranial FMD compounding a trauma case. A patient was brought to trauma center emergency with a history of fall from height...
January 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28039546/the-relationship-between-lateral-displacement-of-the-mandible-and-scoliosis
#7
Azusa Nakashima, Hiroyuki Nakano, Tomohiro Yamada, Kazuya Inoue, Goro Sugiyama, Wataru Kumamaru, Yasumichi Nakajima, Tomoki Sumida, Takeshi Yokoyama, Katsuaki Mishiama, Yoshihide Mori
OBJECTIVES: Idiopathic scoliosis is an orthopaedic disease of childhood, with onset and progress occurring until adolescence. Here, the relationship between lateral displacement of the mandible and scoliosis was analysed quantitatively. METHODS: Seventy-nine non-syndromic Japanese patients (18 men, 61 women), who were diagnosed with jaw deformities and underwent surgical orthognathic treatment at Kyushu University Hospital from January 2011 to August 2014, were enrolled...
December 30, 2016: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28033186/continuous-validity-of-temporalis-muscle-flap-in-reconstruction-of-postablative-palatomaxillary-defects
#8
Ahmed Gaber Hassanein
INTRODUCTION: Postablative palatomaxillary defects (PAPMDs) represent a challenging reconstructive problem. Temporalis muscle flap (TMF) has been widely used for reconstruction of these defects with minimal morbidity and satisfactory outcome. AIM OF THE STUDY: To presents the authors' experience in the reconstruction of PAPMDs with TMF and to evaluate the validity of TMF in the reconstruction of such defects. METHODS: This prospective study was conducted between July 2011 and July 2016 on selected patients for primary reconstruction of PAPMDs with TMF...
December 28, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28032345/zygomatic-bone-shape-in-intentional-cranial-deformations-a-model-for-the-study-of-the-interactions-between-skull-growth-and-facial-morphology
#9
S Ketoff, F Girinon, S Schlager, M Friess, T Schouman, P Rouch, R H Khonsari
Intentional cranial deformations (ICD) were obtained by exerting external mechanical constraints on the skull vault during the first years of life to permanently modify head shape. The repercussions of ICD on the face are not well described in the midfacial region. Here we assessed the shape of the zygomatic bone in different types of ICDs. We considered 14 non-deformed skulls, 19 skulls with antero-posterior deformation, nine skulls with circumferential deformation and seven skulls with Toulouse deformation...
December 29, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/28032152/revision-surgery-for-zygoma-reduction-causes-indications-solutions-and-results-from-a-5-year-review-of-341-cases
#10
Sang Woo Lee, Yeon Woo Jeong, Yujin Myung
BACKGROUND: Many patients undergo a revision surgery after malar reduction, which is one of the most popular aesthetic surgeries in Asia. We reviewed the leading causes of revision for malar reduction surgery to establish proper indications for revision, seek adequate surgical strategies, and share the results from revision surgical cases. METHODS: A retrospective review was conducted involving 341 patients who underwent malar reduction reoperation between March 2010 and June 2015...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28029476/a-murine-model-of-orthotopic-periorbital-subunit-transplantation
#11
Bowen Gao, Bin Li, Xinxin Li, Jinhong Bae, Kaiyan Xiao, Qingfeng Li, Hainan Zhu
BACKGROUND: Conventional reconstructive methods fail to achieve satisfactory results in total eyelid defect cases. Vascularized composite tissue allotransplantation might provide both good appearance and function for these patients. We developed an orthotopic periorbital transplantation model in rats to facilitate further experimentation in this field. METHODS: In anatomical studies, the vascular distribution to and innervation of the periorbital unit were identified and recorded...
October 28, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28027998/an-optimized-abnormal-muscle-response-recording-method-for-intraoperative-monitoring-of-hemifacial-spasm-and-its-long-term-prognostic-value
#12
Chuyi Huang, Suhua Miao, Heling Chu, Chuanfu Dai, Jinting Wu, Junhua Wang, Huancong Zuo, Yu Ma
BACKGROUND: Intraoperative electrophysiological monitoring is used to determine whether decompression is sufficient during microvascular decompression (MVD) for hemifacial spasm (HFS). However, the real offending vessel is sometimes neglected by the neurosurgeons. Here, we reported our experience in using optimized abnormal muscle response (AMR) monitoring and continuous intraoperative monitoring for MVD. METHODS: This study included 2161 HFS patients who underwent MVD using traditional (1023 patients) and optimized (1138 patients) methods...
December 25, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/28005826/porous-polyethylene-implant-as-aesthetic-complement-in-orthognathic-surgery
#13
Juliana Dreyer da Silva de Menezes, Lucas Borin Moura, Renato Parsekian Martins, Eduardo Hochuli-Vieira
Porous polyethylene implants have been used as an alternative in the treatment of patients with zygomatic and paranasal projections deficiency. These implants promote a facial rejuvenating effect due to the attenuation of the nasal and chin prominences. The advantages of porous polyethylene include biocompatibility, dimensional stability, easy adaptation and fixation, low complication rate, and its availability in different sizes and shapes. A 27-year-old woman presenting vertical deficiency associated with midface hypoplasia was treated with orthognathic surgery...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005801/zygomatic-implant-subjected-to-immediate-loading-for-atrophic-maxilla-rehabilitation
#14
Pâmela Letícia Dos Santos, Gustavo Henrique Souza Silva, Fernanda Rayssa Da Silva Pereira, Raquel Damazia da Silva, Mirella Lindoso Gomes Campos, Thiago Borges Mattos, Jéssica Lemos Gulinelli
As life expectancy increases, a larger number of elderly people require dental health care attention for implant-supported rehabilitation, with the aim of restoring the function and aesthetics of the oral cavity. Most of these patients have lost their teeth long time ago, causing a severe bone resorption and maxillary sinus pneumatization. Therefore, the current study aims to demonstrate, through the description of the clinical case, the treatment with zygomatic implants as an option for treating severely atrophic maxillas...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005767/the-clinical-feasibility-of-newly-developed-thin-flat-type-bioresorbable-osteosynthesis-devices-for-the-internal-fixation-of-zygomatic-fractures-is-there-a-difference-in-healing-between-bioresorbable-materials-and-titanium-osteosynthesis
#15
Shintaro Sukegawa, Takahiro Kanno, Daiki Nagano, Akane Shibata, Yuka Sukegawa-Takahashi, Yoshihiko Furuki
INTRODUCTION: In recent years, bioresorbable plates have undergone remarkable development. However, there has been no attendant improvement in their strength, because strength requires thickness, and complications such as palpability are related to the thickness of bioresorbable plate systems. In this clinical study, we compared the surgical management of zygomatic fractures using newly developed thinner bioresorbable materials or conventional titanium miniplates. METHODS: Twelve patients with zygomatic fractures were randomly divided equally into 2 groups (6 with new bioresorbable osteosynthesis materials and 6 with standard titanium miniplates)...
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
#16
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/28005653/anatomy-of-the-corrugator-muscle
#17
Kun Hwang, Jung Hun Lee, Hee Joong Lim
The aim of this article is to systematically review the anatomy and action of the corrugator muscle. PubMed and Scopus were searched using the terms "corrugator" AND "anatomy." Among the 60 full texts from the 145 relevant abstracts, 34 articles without sufficient content were excluded and 4 articles drawn from the reference lists were added. Among the 30 articles analyzed (721 hemifaces), 28% classified by oblique head and transverse head, and 72% did not. Corrugator originated mostly from the medial supraorbital rim (45%), followed by the medial frontal bone (31%), the medial infraorbital rim (17%), and the upper nasal process (7%)...
December 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28000409/the-evolution-of-the-zygomatic-bone-from-agnatha-to-tetrapoda
#18
Zhikun Gai, Xiaobo Yu, Min Zhu
Establishing the homology of the zygomatic or jugal bone and tracing its origin and early evolution represents a complex issue because of large morphological gaps between various groups of vertebrates. Using recent paleontological findings, we discuss the deep homology of the zygomatic or jugal bone in stem gnathostomes (placoderms) and examine its homology and modifications in crown gnathostomes (acanthodians, chondrichthyans and osteichthyans). The discovery of the placoderm Entelognathus from the Silurian of China (∼423 million years ago) established that the large dermal plates in placoderms and osteichthyans are homologous...
January 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28000408/ancestral-variations-in-the-shape-and-size-of-the-zygoma
#19
Anna C Oettlé, Fabrice P Demeter, Ericka N L'abbé
The variable development of the zygoma, dictating its shape and size variations among ancestral groups, has important clinical implications and valuable anthropological and evolutionary inferences. The purpose of the study was to review the literature regarding the variations in the zygoma with ancestry. Ancestral variation in the zygoma reflects genetic variations because of genetic drift as well as natural selection and epigenetic changes to adapt to diet and climate variations with possible intensification by isolation...
January 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28000407/zygomaticomaxillary-morphology-and-maxillary-sinus-form-and-function-how-spatial-constraints-influence-pneumatization-patterns-among-modern-humans
#20
Scott D Maddux, Lauren N Butaric
Previous research has suggested that the maxillary sinuses may act as "zones of accommodation" for the nasal region, minimizing the impact of climatic-related changes in nasal cavity breadth on surrounding skeletal structures. However, a recent study among modern human crania has identified that, in addition to nasal cavity breadth, sinus morphology also tracks lateral facial form, especially anterior-posterior positioning of the zygomatics. Here, we expand upon this previous study to further investigate these covariation patterns by employing three samples with distinct combinations of nasal and zygomatic morphologies: Northern Asians (n = 28); sub-Saharan Africans (n = 30); and Europeans (n = 29)...
January 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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