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https://www.readbyqxmd.com/read/29791568/assessing-the-association-between-hypoxia-during-craniofacial-development-and-oral-clefts
#1
Erika Calvano Küchler, Lea Assed da Silva, Paulo Nelson-Filho, Ticiana M Sabóia, Angela M Rentschler, José Mauro Granjeiro, Driely Oliveira, Patricia N Tannure, Raquel Assed da Silva, Leonardo Santos Antunes, Michael Tsang, Alexandre R Vieira
Objectives To evaluate the association between hypoxia during embryo development and oral clefts in an animal model, and to evaluate the association between polymorphisms in the HIF-1A gene with oral clefts in human families. Material and Methods The study with the animal model used zebrafish embryos at 8 hours post-fertilization submitted to 30% and 50% hypoxia for 24 hours. At 5 days post-fertilization, the larvae were fixed. The cartilage structures were stained to evaluate craniofacial phenotypes. The family-based association study included 148 Brazilian nuclear families with oral clefts...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29790726/minimally-invasive-approaches-to-craniosynostosis
#2
Arjun V Pendharkar, Maryam N Shahin, Claudio Cavallo, Xiaochun Zhao, Allen L Ho, Eric S Sussman, Gerald A Grant
Craniosynostosis (CS) is defined as the premature fusion of one or more calvarial sutures. This carries several consequences, including abnormal/asymmetric cranial vault development, increased intracranial pressure, compromised neurocognitive development, and craniofacial deformity. Definitive management is surgical with the goal of protecting cerebral development by re-establishing normal cranial vault expansion and correcting cosmetic deformity. In today's practice, CS surgery has advanced radically from simple craniectomies to major cranial vault reconstructive (CVR) procedures...
May 22, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29789719/selective-vulnerability-of-the-primitive-meningeal-layer-to-prenatal-smo-activation-for-skull-base-meningothelial-meningioma-formation
#3
Julien Boetto, Caroline Apra, Franck Bielle, Matthieu Peyre, Michel Kalamarides
Somatic activating mutations of smoothened (SMO), a component of the embryonic sonic hedgehog (SHH) signaling pathway, are found in 3-5% of grade I meningiomas, most of them corresponding to meningothelial meningiomas located at the anterior skull base. By generating different developmental stage-specific conditional activations in mice, we define a restricted developmental window during which conditional activation of Smo in Prostaglandin D2-synthase-positive mesoderm-derived meningeal layer of the skull base results in meningothelial meningioma formation...
May 22, 2018: Oncogene
https://www.readbyqxmd.com/read/29788681/use-of-the-facial-dismasking-flap-approach-for-surgical-treatment-of-a-multifocal-craniofacial-abscess
#4
Yoshitaka Ishii, Tomoyuki Yano, Osamu Ito
The decision of which surgical approach to use for the treatment of a multifocal craniofacial abscess is still a controversial matter. A failure to control disease progress in the craniofacial region can potentially put the patient's life at risk. Therefore, understanding the various ways to approach the craniofacial region helps surgeons to obtain satisfactory results in such cases. In this report, we describe a patient who visited the emergency department with a large swelling in his right cheek. A blood test and computed tomography revealed odontogenic maxillary sinusitis...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29788082/statistical-testing-against-baseline-in-orthodontic-research-a-meta-epidemiologic-study
#5
Sophia Gratsia, Despina Koletsi, Padhraig S Fleming, Nikolaos Pandis
Background/objectives: To assess the prevalence of within-group comparisons from baseline to follow-up in published orthodontic articles and to identify potential associations between this statistical problem and a number of study characteristics. Materials/method: The most recent 24 issues of four leading orthodontic journals with highest impact factor (American Journal of Orthodontics and Dentofacial Orthopedics; AJODO, European Journal of Orthodontics; EJO, Angle Orthodontist; ANGLE, Orthodontics and Craniofacial Research; OCR) were electronically searched until December 31st 2017...
May 18, 2018: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29783715/location-location-location-signals-in-muscle-specification
#6
REVIEW
Chih-Ning Chang, Chrissa Kioussi
Muscles control body movement and locomotion, posture and body position and soft tissue support. Mesoderm derived cells gives rise to 700 unique muscles in humans as a result of well-orchestrated signaling and transcriptional networks in specific time and space. Although the anatomical structure of skeletal muscles is similar, their functions and locations are specialized. This is the result of specific signaling as the embryo grows and cells migrate to form different structures and organs. As cells progress to their next state, they suppress current sequence specific transcription factors (SSTF) and construct new networks to establish new myogenic features...
May 18, 2018: Journal of Developmental Biology
https://www.readbyqxmd.com/read/29782331/management-challenges-in-an-infant-with-pentalogy-of-cantrell-giant-anterior-encephalocele-and-craniofacial-anomalies-a-case-report
#7
Richard Hubbard, Seth Hayes, Holly Gillis, Spencer Lindsey, Prashant Malhotra, Tariq Wani, Joseph D Tobias, Ralph Beltran
Pentalogy of Cantrell is a rare syndrome consisting of midline abnormalities involving the heart, sternum, abdominal wall, and the anterior and pericardial diaphragm. This combination of defects places patients at particular perioperative risk and requires individualized management during anesthetic care. The following report documents the management of a patient with pentalogy of Cantrell, whose condition was further complicated by severe midline craniofacial abnormalities, including large anterior encephalocele, deficient mandible, tethered tongue, and cleft palate...
May 17, 2018: A&A practice
https://www.readbyqxmd.com/read/29781949/optn-vascularized-composite-allograft-vca-waiting-list-current-status-and-trends-in-the-united-states
#8
Jennifer L Wainright, Christopher L Wholley, Wida S Cherikh, Jennifer M Musick, David K Klassen
BACKGROUND: Vascularized Composite Allograft (VCA) transplantation is a developing area in the field of transplantation. METHODS: This study used Organ Procurement and Transplantation Network (OPTN) VCA waiting list and transplant data from July 3, 2014 through February 28, 2018 to characterize the OPTN VCA waiting list in terms of composition, removal patterns, waiting time, resulting transplants, and trends over time. RESULTS: Between implementation of the OPTN VCA waiting list on July 3, 2014 and February 28, 2018, 54 candidates - 53...
April 30, 2018: Transplantation
https://www.readbyqxmd.com/read/29781722/survey-of-north-american-multidisciplinary-cleft-palate-and-craniofacial-team-clinic-administration
#9
Kristin D Pfeifauf, Kamlesh B Patel, Alison Snyder-Warwick, Gary B Skolnick, Sibyl Scheve, Sybill D Naidoo
OBJECTIVE: This study aims to provide an understanding of the ways cleft palate (CP) and craniofacial teams address billing, administration, communication of clinical recommendations, appointment scheduling, and diagnosis-specific protocols. DESIGN: An online clinic administration survey was developed using data from an open-ended telephone questionnaire. The online survey was distributed by e-mail to the American Cleft Palate-Craniofacial Association (ACPA) nurse coordinator electronic mailing list, used regularly by the ACPA and its members to communicate with teams...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29781248/the-role-of-3d-printing-in-treating-craniomaxillofacial-congenital-anomalies
#10
REVIEW
Christopher D Lopez, Lukasz Witek, Andrea Torroni, Roberto L Flores, David B Demissie, Simon Young, Bruce N Cronstein, Paulo G Coelho
Craniomaxillofacial congenital anomalies comprise approximately one third of all congenital birth defects and include deformities such as alveolar clefts, craniosynostosis, and microtia. Current surgical treatments commonly require the use of autogenous graft material which are difficult to shape, limited in supply, associated with donor site morbidity and cannot grow with a maturing skeleton. Our group has demonstrated that 3D printed bio-ceramic scaffolds can generate vascularized bone within large, critical-sized defects (defects too large to heal spontaneously) of the craniomaxillofacial skeleton...
May 20, 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29779390/-prenatally-diagnosed-case-of-pallister%C3%A2-killian-syndrome
#11
Zsolt Tidrenczel, Erika P Tardy, Edina Sarkadi, Judit Simon, Artúr Beke, János Demeter
Pallister-Killian syndrome (PKS) is a rare, sporadic genetic disorder that is caused by the mosaic presence of a supernumerary marker chromosome, isochromosome 12p. The syndrome is a polydysmorphic condition characterized by mental retardation, craniofacial dysmorphism, hypotonia, seizures, epilepsy and certain organic malformations (diaphragmatic hernia, congenital heart disease). Prenatal diagnosis is challenging due to the mosaic tissue-specific distribution of the chromosomal disorder and highly variable phenotype...
May 2018: Orvosi Hetilap
https://www.readbyqxmd.com/read/29777172/contrasting-patterns-of-runx2-repeat-variations-are-associated-with-palate-shape-in-phyllostomid-bats-and-new-world-primates
#12
Tiago Ferraz, Daniela M Rossoni, Sérgio L Althoff, Alcides Pissinatti, Vanessa R Paixão-Cortês, Maria Cátira Bortolini, Rolando González-José, Gabriel Marroig, Francisco M Salzano, Gislene L Gonçalves, Tábita Hünemeier
Establishing the genetic basis that underlies craniofacial variability in natural populations is one of the main topics of evolutionary and developmental studies. One of the genes associated with mammal craniofacial variability is RUNX2, and in the present study we investigated the association between craniofacial length and width and RUNX2 across New World bats (Phyllostomidae) and primates (Catarrhini and Platyrrhini). Our results showed contrasting patterns of association between the glutamate/alanine ratios (Q/A ratio) and palate shape in these highly diverse groups...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29774140/three-dimensional-printing-in-maxillofacial-surgery-hype-versus-reality
#13
Alaa Aldaadaa, Nazanin Owji, Jonathan Knowles
Three-dimensional printing technology is getting more attention recently, especially in the craniofacial region. This is a review of literature enlightening the materials that have been used to date and the application of such technology within the scope of maxillofacial surgery.
January 2018: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/29771839/application-of-autologous-human-bone-marrow-derived-mesenchymal-stem-cells-in-distraction-osteogenesis-for-the-treatment-of-bilateral-mandibular-hypoplasia
#14
Hun Jun Lim, Eui Mook Lee, Won Ki Kim, Han Jong Kim, Bong Chul Kim, Jun Lee
Distraction osteogenesis a surgical procedure conducted to improve craniofacial deformities. Compared with conventional operations, this technique has advantages such as the ability to lengthen the soft tissue and hard tissue. Therefore, this method is used to treat severe craniofacial abnormalities.The major disadvantage of distraction osteogenesis is the long treatment period. If the consolidation period is not sufficiently long after the distraction period, complications such as discontinuity or contraction of newly formed bone may occur...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771829/repairing-a-facial-cleft-by-polyether-ether-ketone-implant-combined-with-titanium-mesh
#15
Yuan Deng, Weiwei Tang, Zhengkang Li
The Tessier Number 4 cleft is one of the rarest, most complex craniofacial anomalies that presents difficulties in surgical treatment. In this article, we report a case of simultaneous facial depression, eye displacement, and medial canthus deformity. In this case, the maxillary bony defect was reconstructed using computer-assisted design computer-assisted manufacturing (CAD-CAM) polyether-ether-ketone (PEEK) material, and the orbital floor defect was repaired with AO prefabricated titanium mesh. Additionally, the medial canthus was modified with canthopexy and a single Z-plasty flap...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29766474/masses-of-developmental-and-genetic-origin-affecting-the-paediatric-craniofacial-skeleton
#16
REVIEW
Salvatore Stefanelli, Pravin Mundada, Anne-Laure Rougemont, Vincent Lenoir, Paolo Scolozzi, Laura Merlini, Minerva Becker
Although rare, masses and mass-like lesions of developmental and genetic origin may affect the paediatric craniofacial skeleton. They represent a major challenge in clinical practice because they can lead to functional impairment, facial deformation and disfigurement. The most common lesions include fibrous dysplasia, dermoid cysts, vascular malformations and plexiform neurofibromas. Less common lesions include torus mandibularis and torus palatinus, cherubism, nevoid basal cell carcinoma syndrome, meningoencephalocele and nasal sinus tract...
May 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29764701/a-combination-of-skeletal-deformations-of-the-dorsal-mandible-and-temporomandibular-region-detected-in-orthopantomograms-of-patients-with-neurofibromatosis-type-1-indicates-an-associated-ipsilateral-plexiform-neurofibroma
#17
Reinhard E Friedrich, Anika Reul
PURPOSE: Neurofibromatosis type 1 (NF1) is a tumour suppressor syndrome and also a bone disease. In the craniofacial region, local skeletal deformities have been recorded in patients with NF1. Obvious syndrome-related alterations of the jaws are particularly conspicuous in the mandible. Here we aimed to analyse the mandibular alterations of NF1-affected individuals from orthopantomograms (OPGs). MATERIALS AND METHODS: This study analyses 358 OPGs of 358 patients (mean age, 34...
April 26, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29762332/extended-release-liposomal-bupivacaine-injection-exparel-for-early-postoperative-pain-control-following-palatoplasty
#18
Kristopher M Day, Narayanan M Nair, Larry A Sargent
INTRODUCTION: Liposomal bupivacaine (LB) is a long-acting local anesthetic reported to decrease postoperative pain in adults. The authors demonstrate the safe use of LB in pediatric patients with improved pain control following palatoplasty. MATERIALS AND METHODS: Retrospective patient series of all single-surgeon palatoplasty patients treated at a tertiary craniofacial center from August 2014 to December 2015 were included. All patients received 1.3% LB intraoperatively as greater palatal nerve and surgical field blocks in 2-flap V-Y pushback palatoplasty...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29762326/temporal-progression-of-craniofacial-dysmorphology-in-unilateral-coronal-synostosis-a-mechanistic-hypothesis
#19
Kirun Baweja, Alexander H Sun, Rajendra Sawh-Martinez, John A Persing
AIM: This study chronicles skull base and face development in nonsyndromic unilateral coronal synostosis (UCS) during infancy, to characterize the mechanistic progression of facial dysmorphology. METHODS: Computed tomography scans from 51 subjects were reviewed (26 UCS, 25 controls) and data were reconstructed. Patients were stratified into 5 age groups. A series of measurements were taken from the reconstructions. RESULTS: All patients had a unilaterally fused coronal suture at the time of analysis...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29761634/extracephalic-manifestations-of-nonchromosomal-nonsyndromic-holoprosencephaly
#20
Ariel F Martinez, Paul S Kruszka, Maximilian Muenke
Nonchromosomal, nonsyndromic holoprosencephaly (NCNS-HPE) has traditionally been considered as a condition of brain and craniofacial maldevelopment. In this review, we present the results of a comprehensive literature search supporting a wide spectrum of extracephalic manifestations identified in patients with NCNS-HPE. These manifestations have been described in case reports and in large cohorts of patients with "single-gene" mutations, suggesting that the NCNS-HPE phenotype can be more complex than traditionally thought...
May 15, 2018: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
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