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https://www.readbyqxmd.com/read/28439168/ocular-injuries-in-patients-of-zygomatico-complex-zmc-fractures
#1
Altaf Hussain Malik, Aijaz A Shah, Irshad Ahmad, Babar Ai Shah
PURPOSE: Mid face injuries commonly destroy the integrity of the orbital skeleton, and are frequently complicated by injury to the eye, ranging between 2.7 and 90.6 % as reported in literature. The eye injuries range from simple subconjunctival haemorrhage to globe rupture. The paper aims to study the types of ocular injuries in patients with ZMC fractures. PATIENTS AND METHODS: A study of 67 patients, who had sustained facial trauma sufficient to lead to a facial bone fracture, was undertaken in the department of Oral and Maxillofacial Surgery, Govt Dental College, Srinagar from 2008 to 2014 and the patients received a comprehensive examination by an ophthalmologist within 1 week of injury...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28326716/-zygomaticomaxillary-complex-fractures-with-infraorbital-nerve-damage
#2
Su Jianan, Xu Bing
Zygomaticomaxillary complex (ZMC) fracture is a common type of maxillofacial fracture. In addition to facial depression and diplopia, paresthesia of the lower eyelid, malar regions, nose skin, upper lip skin, and mucous membranes occurs because of infraorbital nerve injury. This article reviewed the anatomy, diagnosis, assessment, treatment, and prognosis of ZMC fracture-related infraorbital nerve injury.
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28320780/thiosemicarbazones-functioning-as-zinc-metallochaperones-to-reactivate-mutant-p53
#3
Xin Yu, Adam R Blanden, Ashley Tsang, Saif Zaman, Yue Liu, John Gilleran, Anthony F Bencivenga, S David Kimball, Stewart N Loh, Darren R Carpizo
Small molecule restoration of wild type structure and function to mutant p53 (so - called mutant reactivation) is a highly sought after goal in cancer drug development. We previously discovered small molecule zinc chelators called zinc metallochaperones (ZMCs) reactivate mutant p53 by restoring zinc binding to zinc deficient p53 mutants. The lead compound identified from the NCI-60 human tumor cell lines screen, NSC319726 (ZMC1), belongs to the thiosemicarbazone (TSC) class of metal ion chelators that bind Fe, Cu, Mn, Zn, and other transition metals...
March 20, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28316023/transconjunctival-versus-subciliary-approach-to-the-infraorbital-margin-for-open-reduction-of-zygomaticomaxillary-complex-fractures-a-randomized-feasibility-study
#4
Mohammad Waheed El-Anwar, Ezzeddin Elsheikh, Atef M Hussein, Adly A Tantawy, Youssef Mansour Abdelbaki
INTRODUCTION: Although some studies addressed the differences between subciliary and transconjunctival approaches, no previous prospective comparative study on displaced zygomaticomaxillary complex (ZMC) fracture that repaired by three-point internal fixation using also upper gingivolabial incision and upper eye lid incision. So, the effect of these incisions on the comparison was not investigated. PURPOSE: The purpose of this study was to compare transconjunctival and subciliary approaches for open reduction and internal rigid fixation (OR/IF) of ZMC fractures...
June 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28210406/use-of-c-arm-to-assess-reduction-of-zygomatic-complex-fractures-a-comparative-study
#5
Atmakuru Venkata Maheedhar, C Ravindran, Emmanuel D S Azariah
The aim of this study was to analyze the use of C-arm and its significance in accurate reduction of zygomaticomaxillary complex (ZMC) fractures. Orbital volume is used as parameter to compared pre- and postoperative volumes of injured orbit. Differences in orbital volume calculated in cases done with intraoperative imaging and in controls treated without the use of intraoperative imaging were evaluated using Student t-test. C-arm is definitively an effective tool in the armamentarium of oral and maxillofacial surgery in assessment of reduction of ZMC fracture...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27890546/radiological-evaluation-of-sphenozygomatic-suture-fixation-for-restoration-of-orbital-volume-a-retrospective-study
#6
Rohit Sharma, Chiyyarath Gopalan Muralidharan, Indranil Deb Roy, Narendra Kumar Jain, Seema Patrikar
PURPOSE: Lateral displacement of fracture zygomaticomaxillary complex (ZMC) can cause significant increase in orbital volume leading to enophthalmos. The aim of this study was to radiologically evaluate the efficacy of sphenozygomatic (SZ) suture fixation for restoration of orbital volume after elevation of the temporalis in cases of fracture ZMC where the fixation of zygomatic arch (ZA) was deemed necessary through latero-posterior approach. MATERIALS & METHODS: 43 operated cases of fracture ZMC using 4-point fixation were divided into two groups...
December 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27833710/current-management-of-zygomaticomaxillary-complex-fractures-a-multidisciplinary-survey-and-literature-review
#7
Scott J Farber, Dennis C Nguyen, Gary B Skolnick, Albert S Woo, Kamlesh B Patel
Despite the prevalence of zygomaticomaxillary complex (ZMC) fractures, there is no consensus regarding the best approach to management. The aim of this study is to determine differences in ZMC fracture treatment among various surgical specialties. A survey was conducted regarding treatment of patients with different ZMC fractures that included a minimally displaced fracture (Case 1), a displaced fracture without diplopia (Case 2), a displaced fracture with diplopia (Case 3), and a complex comminuted fracture (Case 4)...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27833333/zygomaticomaxillary-complex-fractures-a-review-of-101-cases
#8
Bhasker Yamsani, Rajasekhar Gaddipati, Nandagopal Vura, Sudhir Ramisetti, Rajitha Yamsani
AIM: ZMC fractures are the common facial injuries. The main causes of fractures are trauma due to RTAs, assaults, falls, sports related injuries, and the civilian warfares. This study is to evaluate and review the etiology, incidence, clinical findings and treatment of ZMC fractures. A sincere effort has been put forward in the management of ZMC fractures and their efficacy is evaluated in the larger interest of the patients. MATERIALS AND METHODS: In this study 101 patients having displaced ZMC fractures with insignificant medical history were reviewed to evaluate the versatility of its management, with the main emphasis on post operative stability, restoration of mouth opening, wound healing, esthetic restoration of the prominence of cheek and the complications encountered...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27830139/advantages-of-intraoral-and-transconjunctival-approaches-for-posterior-displacement-of-a-fractured-zygomaticomaxillary-complex
#9
Ji Yong Yoo, Jang Won Lee, Seung Jae Paek, Won Jong Park, Eun Joo Choi, Kyung-Hwan Kwon, Moon-Gi Choi
BACKGROUND: Fracture of the zygomaticomaxillary complex (ZMC) is one of the most common facial injuries. A previous study has performed 3D analyses of the parallel and rotational displacements that occur in a fractured ZMC. However, few studies have investigated adequate fixation methods according to these displacements. Here, we assessed whether specific approaches and fixation methods for displacement of ZMC fractures produce esthetic results. METHODS: Hospital records and pre- and post-surgical computed tomographic scans of patients treated for ZMC fractures at the Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, between January 2010 and December 2015, were selected...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27816730/application-of-a-computer-assisted-navigation-system-cans-in-the-delayed-treatment-of-zygomatic-fractures-a-randomized-controlled-trial
#10
Xi Gong, Yang He, Jingang An, Yao Yang, Xiuling Huang, Meng Liu, Yangyang Zhao, Yi Zhang
PURPOSE: The delayed treatment of zygomatic complex (ZMC) fracture presents a difficult challenge to surgeons. The aim of this study was to compare the treatment effects of delayed surgery of ZMC fractures with and without a computer-assisted navigation system (CANS). MATERIALS AND METHODS: In this observer-blinded single-site randomized clinical trial, patients with unilateral ZMC fracture were included and randomized 1:1 to delayed treatment with or without CANS...
October 11, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27733307/surgical-treatment-of-unilateral-zygomaticomaxillary-complex-fractures-a-7-year-observational-study-assessing-treatment-outcome-in-153-cases
#11
Wouter M M T van Hout, Ellen M Van Cann, Ronald Koole, Antoine J W P Rosenberg
This study investigates treatment outcome in zygomaticomaxillary complex (ZMC) fracture repair. METHODS: The medical records and CT-images of patients that received treatment for a unilateral ZMC fracture in 2005-2011 were studied. ZMC fractures were categorised as incomplete (type A), tetrapod (type B) or comminuted (type C). The incidence of sequelae, wound infection and secondary surgical interventions was analysed per fracture category. RESULTS: A total of 153 patients were treated in the selected period...
November 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27591093/measuring-zygomaticomaxillary-complex-symmetry-three-dimensionally-with-the-use-of-mirroring-and-surface-based-matching-techniques
#12
Jean-Pierre T F Ho, Ruud Schreurs, Dan M J Milstein, Leander Dubois, Thomas J J Maal, Jan de Lange, Alfred G Becking
OBJECTIVE: The study aim was to validate a new method for measuring zygomaticomaxillary complex (ZMC) symmetry, which can be helpful in analyzing ZMC fractures. METHODS: Three-dimensional virtual hard-tissue models were reconstructed from computed tomography (CT) datasets of 26 healthy individuals. Models were mirrored and superimposed. Absolute average distance (AD) and 90th percentile distance (NPD) were used to measure overall and maximal symmetry. The Intraclass Correlation Coefficient (ICC) was calculated to measure interobserver consistency...
October 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27556232/do-radiologists-and-surgeons-speak-the-same-language-a-retrospective-review-of-facial-trauma
#13
Erica Kristen Ludi, Saurabh Rohatgi, Matthew E Zygmont, Faisal Khosa, Tarek N Hanna
OBJECTIVE: The objective of the present study is to examine the concordance of facial fracture classifications in patients with trauma who underwent surgery and to assess the epidemiologic findings associated with facial trauma. MATERIALS AND METHODS: Patients with trauma who underwent facial CT examination and inpatient operative intervention during a 1-year period were retrospectively analyzed. Patient demographic characteristics, the mechanism of injury, the radiology report, the surgical diagnosis, and clinical indications were reviewed...
November 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27484599/functional-evaluation-of-the-behavior-of-masticatory-muscles-in-zygomaticomaxillary-complex-fracture-a-prospective-study
#14
Srimathi Panchanathan, Maya Saranathan, Arun Kumar Kamalakaran, Karthikeyan Duraisamy
AIMS: The purpose of this study is to functionally evaluate the behavior of the masticatory muscles (masseter and temporalis) following zygomaticomaxillary complex (ZMC) fractures by assessing bite force, electromyography (EMG), and mandibular movements. MATERIALS AND METHODS: Group I consisted of 20 patients with unilateral ZMC fractures who were treated surgically with one-, two-, or three-point fixations at the frontozygomatic, infraorbital, or zygomaticomaxillary buttress region as per clinical and radiological assessments...
June 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27300011/fractures-of-the-posterolateral-maxillary-sinus-a-masticator-space-blowout-injury
#15
William K Erly, Jennifer L Becker, Radha Inampudi, Seung John Hur, Kambiz Nael, Wayne S Kubal
BACKGROUND AND PURPOSE: Segmental, depressed fractures of the posterolateral maxillary sinus may occur as a result of trauma to the masticator space, previously described in association with mandibular fractures. The authors hypothesize that the fracture is due to a transient increase in pressure in the masticator space (blow out) and therefore should be seen in association with other regional fractures. MATERIALS AND METHODS: Injuries of the masticator space were retrospectively identified by searching the imaging database from January 2014 to November 2014 for keywords that would identify regional trauma...
October 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27213738/delayed-facial-nerve-palsy-after-open-reduction-of-an-isolated-zygomaticomaxillary-complex-fracture
#16
Rodolfo E Manosalva, Damian Dyckman, Jonathan M Melzer
Facial nerve paralysis is a devastating complication which can occur after a variety of otolaryngic procedures, including facial trauma repair. The frontal and marginal branches are most often placed at risk. However, facial nerve paralysis is not typically described as a risk in most uncomplicated facial trauma repairs of the zygomaticomaxillary complex (ZMC). In particular, buccal branch injury has not been described in a delayed setting following repair of the ZMC. The authors present a patient of delayed buccal branch paralysis following a simple ZMC repair which has not been previously reported...
June 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/26929552/-y-modification-of-the-transconjunctival-approach-for-management-of-zygomatic-complex-fractures-a-prospective-analysis
#17
K Rajkumar, P Mukhopadhyay, Ramen Sinha, T K Bandyopadhyay
PURPOSE: The purpose of this study was to clinically and radiologically evaluate reduction and fixation of isolated zygomatic complex (ZMC) fractures treated by Y modification of the transconjunctival approach. PATIENTS AND METHODS: A prospective evaluation of ten patients was undertaken for a period of 6 months using this modified approach from Jan 2012 to Jun 2013. Patients were examined preoperatively and post operatively at the end of 6 months for symmetry discrepancies involving A-P globe projection, lateral canthal level, malar projection and diplopia in direct and extreme gazes...
March 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/26808731/quantitative-determination-of-zygomaticomaxillary-complex-position-based-on-computed-tomographic-imaging
#18
Shih-Hsuan Mao, Yu-Hsuan Hsieh, Pang-Yun Chou, Victor Bong-Hang Shyu, Chien-Tzung Chen, Chih-Hao Chen
BACKGROUND: The zygomaticomaxillary complex (ZMC) is frequently involved in craniofacial fractures. We propose an objective approach for defining the ZMC position on skeletal and soft tissue by using Amira to process 3-dimensional (3D) facial computed tomography (CT) images. AIM AND OBJECTIVES: In this study, we aim to propose 1 anthropometric system, facilitated based on CT images, which can be used in quantitative analysis of ZMC position and examine the symmetry of skeletal and soft tissue of the ZMC with high reliability and validity...
March 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/26435993/coronal-hemicoronal-approach-a-gateway-to-craniomaxillofacial-region
#19
Susmitha Rajmohan, David Tauro, Bhupesh Bagulkar, Anuj Vyas
AIMS: The coronal incision with its various modifications provides the most versatile approach to various areas in the craniomaxillofacial region coupled with excellent exposure. The aesthetic advantage of a hidden scar in the hairline, accounts for its continued popularity. The aim of this study was to review the surgical anatomy, technique and problems of post-operative morbidity pertinent to coronal approach in various clinical situations such as craniofacial trauma, tumour resections and reconstructive craniofacial procedures...
August 2015: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/26301152/use-of-intraoperative-computed-tomography-for-revisional-procedures-in-patients-with-complex-maxillofacial-trauma
#20
Mansher Singh, Joseph A Ricci, Edward J Caterson
BACKGROUND: In patients with panfacial fractures and distorted anatomic landmarks of zygomatic and orbital complex, there is a risk of zygomaticomaxillary complex (ZMC) malpositioning even with the best efforts for surgical repair. This results in increased number of additional procedures to achieve accurate positioning. METHODS: We describe the usage of intraoperative C-arm cone-beam computed tomographic (CT) scan for ZMC malpositioning in a representative patient with panfacial fractures...
July 2015: Plastic and Reconstructive Surgery. Global Open
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