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Craniofacial surgery

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https://www.readbyqxmd.com/read/28644737/circulatory-cnp-rescues-craniofacial-hypoplasia-in-achondroplasia
#1
S Yamanaka, Kazumasa Nakao, N Koyama, Y Isobe, Y Ueda, Y Kanai, E Kondo, T Fujii, M Miura, A Yasoda, Kazuwa Nakao, K Bessho
Achondroplasia is the most common genetic form of human dwarfism, characterized by midfacial hypoplasia resulting in occlusal abnormality and foramen magnum stenosis, leading to serious neurologic complications and hydrocephalus. Currently, surgery is the only way to manage jaw deformity, neurologic complications, and hydrocephalus in patients with achondroplasia. We previously showed that C-type natriuretic peptide (CNP) is a potent stimulator of endochondral bone growth of long bones and vertebrae and is also a potent stimulator in the craniofacial region, which is crucial for midfacial skeletogenesis...
June 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28640836/craniofacial-similarity-analysis-through-sparse-principal-component-analysis
#2
Junli Zhao, Fuqing Duan, Zhenkuan Pan, Zhongke Wu, Jinhua Li, Qingqiong Deng, Xiaona Li, Mingquan Zhou
The computer-aided craniofacial reconstruction (CFR) technique has been widely used in the fields of criminal investigation, archaeology, anthropology and cosmetic surgery. The evaluation of craniofacial reconstruction results is important for improving the effect of craniofacial reconstruction. Here, we used the sparse principal component analysis (SPCA) method to evaluate the similarity between two sets of craniofacial data. Compared with principal component analysis (PCA), SPCA can effectively reduce the dimensionality and simultaneously produce sparse principal components with sparse loadings, thus making it easy to explain the results...
2017: PloS One
https://www.readbyqxmd.com/read/28639069/the-application-of-3d-printing-technology-for-simultaneous-orthognathic-surgery-and-mandibular-contour-osteoplasty-in-the-treatment-of-craniofacial-deformities
#3
Yanju Xiao, Xiumei Sun, Lin Wang, Yaoyao Zhang, Kai Chen, Guomin Wu
BACKGROUND: Because of the limitation of specific preoperative design and surgical templates, orthognathic surgery and mandibular contour osteoplasty are generally performed in two stages. Three-dimensional printing technology has improved the accuracy of the surgery and results in good surgical predictability easily. This study aims to confirm the effectiveness, feasibility and precision of simultaneous mandibular contour osteoplasty and orthognathic surgery with the assistance of 3D printing technology...
June 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28623681/soft-tissue-changes-measured-with-three-dimensional-software-provides-new-insights-for-surgical-predictions
#4
Yu-Jen Chang, Antônio C O Ruellas, Marilia S Yatabe, Philip M Westgate, Lucia H S Cevidanes, Sarandeep S Huja
PURPOSE: Although computer-aided craniofacial reconstructions allows for simulation of hard tissue changes, the prediction of the final soft tissue facial changes remains a challenge. The purpose of the present study was to evaluate the 3-dimensional (3D) soft tissue changes in patients undergoing 2-jaw orthognathic surgery. PATIENTS AND METHODS: For the present retrospective cohort study, 40 consecutive patients (11 men and 29 women; mean age 23.5 ± 4.9 years) who had undergone 2-jaw orthognathic surgery were selected...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28620574/complications-of-advanced-kadish-stage-esthesioneuroblastoma-single-institution-experience-and-literature-review
#5
Sheri K Palejwala, Saurabh Sharma, Christopher H Le, Eugene Chang, Michael Lemole
INTRODUCTION: In esthesioneuroblastoma, greater disease extent and Kadish staging correlate with greater recurrence, complications, and mortality. These advanced stage malignancies require extensive resections and aggressive adjuvant therapy. This increases the risk of complications such as cerebrospinal fluid leak, neurologic deficits, and osteomyelitis. We present our case series and then analyze the literature to ascertain whether advanced stage tumors corresponds to greater rates of complications...
May 12, 2017: Curēus
https://www.readbyqxmd.com/read/28617738/the-whitaker-classification-of-craniosynostosis-outcomes-an-assessment-of-inter-rater-reliability
#6
Ari M Wes, Sanjay Naran, James Sun, Daniel Mazzaferro, Wen Xu, Phuong Nguyen, Linton A Whitaker, Scott P Bartlett, Jesse A Taylor
PURPOSE: The Whitaker classification (WC) is a simple and widely used system for describing aesthetic outcomes after craniosynostosis surgery. The purpose of this study is to evaluate its inter-rater reliability for patients who have undergone frontal-orbital surgery. METHODS: A retrospective review of patients with craniosynostosis who underwent surgical intervention at a tertiary referral center was conducted. Inclusion criteria were: single-suture craniosynostosis, surgical intervention before age two years, and photographs taken prior to revisions between 5 and 20 years of age...
June 14, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28600873/bone-tissue-bioprinting-for-craniofacial-reconstruction
#7
REVIEW
Pallab Datta, Veli Ozbolat, Bugra Ayan, Aman Dhawan, Ibrahim T Ozbolat
Craniofacial (CF) tissue is an architecturally complex tissue consisting of both bone and soft tissues with significant patient specific variations. Conditions of congenital abnormalities, tumor resection surgeries, and traumatic injuries of the CF skeleton can result in major deficits of bone tissue. Despite advances in surgical reconstruction techniques, management of CF osseous deficits remains a challenge. Due its inherent versatility, bioprinting offers a promising solution to address these issues. In this review, we present and analyze the current state of bioprinting of bone tissue and highlight how these techniques may be adapted to serve regenerative therapies for CF applications...
June 10, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28582955/craniofacial-endoscopic-surgery-trend-of-the-past-moving-into-reality-of-the-future
#8
Mutaz B Habal
No abstract text is available yet for this article.
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28582302/effect-of-erythropoietin-on-transfusion-requirements-for-craniosynostosis-surgery-in-children
#9
Hattan A Aljaaly, Salah A Aldekhayel, Julian Diaz-Abele, Mihiran Karunanayka, Mirko S Gilardino
BACKGROUND: Pediatric craniosynostosis surgery is associated with significant blood loss often requiring allogenic blood transfusion (ABT). This study explores the clinical effectiveness of preoperative erythropoietin (EPO) administration in pediatric craniosynostosis surgery in reducing transfusion requirements. METHODS: A systematic review and meta-analysis of the literature was performed for studies published in English language between 1946 and 2015. Inclusion criteria included original studies in the pediatric population (0-8 years of age) involving preoperative use of EPO in craniofacial procedures with quantitative reporting of perioperative blood transfusion...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28582291/craniofacial-surgery-fellowship-selection-criteria-a-national-program-director-survey
#10
Francesco M Egro, Nathaniel A Blecher, Joseph E Losee, Vu T Nguyen, Jesse Goldstein
BACKGROUND: Candidate characteristics for craniofacial fellowship training still remain unknown, as no data are available in the literature. This study aims to provide information on the criteria that are used to select and rank applicants for the craniofacial surgery fellowship match. METHOD: A 38-question survey was sent in April 2015 to all craniofacial surgery fellowship program directors (n = 29) involved in the US match using QuestionPro Survey Software...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28579489/a-novel-protocol-for-planning-and-navigation-in-craniofacial-surgery-a-preclinical-surgical-study
#11
Leonardo Franz, Miriam Isola, Daniele Bagatto, Ferdinando Calzolari, Luciana Travan, Massimo Robiony
PURPOSE: In modern craniofacial surgery, the accuracy of osteotomies plays a central role in surgical technique. To reach a higher level of accuracy, many centers use virtual presurgical planning. In the past decade, some surgeons also have applied navigational approaches to craniofacial procedures. In this work, a novel protocol for surgical planning and intraoperative navigation is described and validated in a preclinical setting to determine its accuracy in guiding osteotomies. MATERIALS AND METHODS: This study was based on planning a set of osteotomies using 3-dimensional models of computed tomographic images of human skulls...
May 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28570406/coding-challenges-in-craniofacial-surgery
#12
Oluwaseun A Adetayo
No abstract text is available yet for this article.
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28566514/modelling-human-skull-growth-a-validated-computational-model
#13
Joseph Libby, Arsalan Marghoub, David Johnson, Roman H Khonsari, Michael J Fagan, Mehran Moazen
During the first year of life, the brain grows rapidly and the neurocranium increases to about 65% of its adult size. Our understanding of the relationship between the biomechanical forces, especially from the growing brain, the craniofacial soft tissue structures and the individual bone plates of the skull vault is still limited. This basic knowledge could help in the future planning of craniofacial surgical operations. The aim of this study was to develop a validated computational model of skull growth, based on the finite-element (FE) method, to help understand the biomechanics of skull growth...
May 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28538065/squamosal-suture-synostosis-incidence-associations-and-implications-for-treatment
#14
Blake D Murphy, Navid Ajabshir, Nolan Altman, S Anthony Wolfe, Chad Perlyn
Squamosal suture craniosynostosis is thought to be a relatively rare entity. In the authors' experience, it is underreported in imaging examinations and the existing literature. The authors sought to determine the incidence of squamosal synostosis, whether it is increasing in frequency, and its relationship with synostosis of the major calvarial sutures.Patients undergoing computed tomography imaging for suspected craniosynostosis over a 15-year period were reviewed by a plastic surgeon and pediatric neuroradiologist...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28538062/the-development-of-surgery-of-the-craniofacial-skeleton-a-march-from-south-to-north-or-caudad-to-cephalad
#15
Beth Aviva Preminger, Joseph G McCarthy
No abstract text is available yet for this article.
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28538061/clinical-experience-of-treatment-of-facial-malformations-in-oto-palato-digital-syndrome-a-familial-patient
#16
Tomoe Kira-Koizumi, Nobuyuki Mitsukawa, Tadashi Morishita, Shinsuke Akita, Yoshitaka Kubota, Kaneshige Satoh
Oto-palato-digital syndrome type 1 (OPD1) is an X-linked recessive disorder comprising characteristic facial appearances and skeletal alterations. The authors report OPD1 in a mother and her 2 sons who had multiple common congenital anomalies. Both of the brothers were born with mild hearing impairment, frontal bossing with prominent supraorbital ridges, downslanting palpebral fissures, dental malocclusion, and palatal clefts. They underwent a series of aesthetic surgeries for their facial malformations with good cosmetic results...
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28523082/three-dimensional-printing-custom-made-implants-for-craniomaxillofacial-reconstructive-surgery
#17
REVIEW
Mariana Matias, Horácio Zenha, Horácio Costa
Craniomaxillofacial reconstructive surgery is a challenging field. First it aims to restore primary functions and second to preserve craniofacial anatomical features like symmetry and harmony. Three-dimensional (3D) printed biomodels have been widely adopted in medical fields by providing tactile feedback and a superior appreciation of visuospatial relationship between anatomical structures. Craniomaxillofacial reconstructive surgery was one of the first areas to implement 3D printing technology in their practice...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28512138/factors-predicting-parent-anxiety-around-infant-and-toddler-postoperative-and-pain
#18
Rebecca E Rosenberg, Rachael A Clark, Patricia Chibbaro, H Rhodes Hambrick, Jean-Marie Bruzzese, Chris Feudtner, Alan Mendelsohn
BACKGROUND AND OBJECTIVES: Understanding of parent anxiety and its effect on infant postoperative pain is limited. We sought to identify psychological factors associated with preoperative anxiety for parents of infants and toddlers undergoing elective surgery and to determine whether parent anxiety is associated with child postoperative pain. METHODS: This was a prospective cohort study of consecutively eligible patients aged ≤18 months undergoing craniofacial surgery and their parents...
June 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28504986/cosmetic-bone-contouring
#19
Regina Rodman
PURPOSE OF REVIEW: In recent years, cosmetic bone contouring surgery has become increasingly popular, especially in East Asian countries. These procedures are also being requested by patients in the United States at an increasing rate. The purpose of this study is to provide an overview of what is involved with these procedures and their potential complications. RECENT FINDINGS: In some cultures, a wide jaw and a square face are aesthetically unpleasing, whereas an ovoid or 'melon seed face' is thought to be feminine, delicate and beautiful...
May 12, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28483229/use-of-three-dimensional-cad-cam-assisted-virtual-surgical-simulation-and-planning-in-the-pediatric-craniofacial-population
#20
Rachel Gray, Alexander Gougoutas, Vinh Nguyen, Jesse Taylor, Nicholas Bastidas
OBJECTIVE: Virtual Surgical Planning (VSP) and computer-aided design/computer-aided manufacturing (CAD/CAM) have recently helped improve efficiency and accuracy in many different craniofacial surgeries. Research has mainly focused on the use in the adult population with the exception of the use for mandibular distractions and cranial vault remodeling in the pediatric population. This study aims to elucidate the role of VSP and CAD/CAM in complex pediatric craniofacial cases by exploring its use in the correction of midface hypoplasia, orbital dystopia, mandibular reconstruction, and posterior cranial vault expansion...
June 2017: International Journal of Pediatric Otorhinolaryngology
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