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Craniofacial surgery

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https://www.readbyqxmd.com/read/29464171/dimensional-error-in-rapid-prototyping-with-open-source-software-and-low-cost-3d-printer
#1
Marco A Rendón-Medina, Laura Andrade-Delgado, Jose E Telich-Tarriba, Antonio Fuente-Del-Campo, Carlos A Altamirano-Arcos
Rapid prototyping models (RPMs) had been extensively used in craniofacial and maxillofacial surgery, especially in areas such as orthognathic surgery, posttraumatic or oncological reconstructions, and implantology. Economic limitations are higher in developing countries such as Mexico, where resources dedicated to health care are limited, therefore limiting the use of RPM to few selected centers. This article aims to determine the dimensional error of a low-cost fused deposition modeling 3D printer (Tronxy P802MA, Shenzhen, Tronxy Technology Co), with Open source software...
January 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29464146/virtual-surgical-planning-the-pearls-and-pitfalls
#2
Johnny I Efanov, Andrée-Anne Roy, Ke N Huang, Daniel E Borsuk
Objective: Over the past few years, virtual surgical planning (VSP) has evolved into a useful tool for the craniofacial surgeon. Virtual planning and computer-aided design and manufacturing (CAD/CAM) may assist in orthognathic, cranio-orbital, traumatic, and microsurgery of the craniofacial skeleton. Despite its increasing popularity, little emphasis has been placed on the learning curve. Methods: A retrospective analysis of consecutive virtual surgeries was done from July 2012 to October 2016 at the University of Montreal Teaching Hospitals...
January 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29461877/active-presurgical-infant-orthopedics-for-unilateral-cleft-lip-and-palate-intercenter-outcome-comparison-of-latham-modified-mcneil-and-nasoalveolar-molding
#3
Michelle Kornbluth, Richard E Campbell, John Daskalogiannakis, Elizabeth J Ross, Patricia H Glick, Kathleen A Russell, Jean-Charles Doucet, Ronald R Hathaway, Ross E Long, Thomas J Sitzman
OBJECTIVE: To compare dental arch relationship, craniofacial form, and nasolabial aesthetic outcomes among cleft centers using distinct methods of presurgical infant orthopedics (PSIO). DESIGN: Retrospective cohort study. SETTING: Four cleft centers in North America. PATIENTS: One hundred ninety-one children with repaired complete unilateral cleft lip and palate (CUCLP). MAIN OUTCOME MEASURES: Dental arch relationship was assessed using the GOSLON Yardstick...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29461368/safety-outcomes-in-endoscopic-versus-open-repair-of-metopic-craniosynostosis
#4
Tara L Braun, Bradley S Eisemann, Olushola Olorunnipa, Edward P Buchanan, Laura A Monson
BACKGROUND: Premature fusion of the metopic suture leads to a range of clinical presentations, with more severe patients presenting characteristically with trigonocephaly. Endoscopic-assisted correction of craniosynostosis is emerging as an alternative to the gold-standard open cranial vault remodeling. While there are several documented benefits of endoscopic correction, the management of craniosynostosis varies widely in the literature with little consensus as to the preferred timing and surgical technique for repair...
February 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29460516/clinical-applications-of-natural-bone-morphoproteins-in-dentistry-a-narrative-review
#5
L Ottria, A Palmieri, M Andreasi Bassi, D Lauritano, V Candotto, A Tagliabue, L Tettamanti
The need to restore bone loss in maxilla and mandible has led to find natural bone substitutes, such as fresh autogenous bone grafts. Fresh autogenous bone grafts (FABGs) have a remarkable capacity to induce new bone formation, a phenomenon called ‘osteoinduction.’ FABGs are useful in craniomaxillofacial and oral applications to restore bone deficiencies. The isolation of those proteins believed to be responsible for the osteoinductive activity of FABGs, namely Natural Bone Morphogenetic Proteins (NBMPs), led to a new era in bone regeneration...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29453776/syndromic-sebaceous-nevus-current-findings
#6
Oumama El Ezzi, Anthony S de Buys Roessingh, Michèle Bigorre, Guillaume Captier
BACKGROUND: Sebaceous nevus is a congenital malformation of the skin that usually occurs on the scalp or face. Syndromic forms do rarely exist with associated cerebral and ocular malformations. The skin lesions are pale at birth and become irregular by puberty. In the adult patient, tumors (usually benign) develop from sebaceous nevus. Their surgical excision during childhood can give a better result in terms of the definitive scar. OBJECTIVES: The aim of this study is to analyze our cases of syndromic sebaceous hamartoma, perform a review of the existing literature, and propose guidelines for the therapeutic plan...
February 16, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29450629/congenital-cervical-kyphosis-in-an-infant-with-ehlers-danlos-syndrome
#7
Andrew J Kobets, Daniel Komlos, John K Houten
BACKGROUND: Ehler-Danlos syndome (EDS) refers to a group of heritable connective tissue disorders; rare manifestations of which are cervical kyphosis and clinical myelopathy. Surgical treatment is described for the deformity in the thoracolumbar spine in adolescents but not for infantile cervical spine. Internal fixation for deformity correction in the infantile cervical spine is challenging due to the diminutive size of the bony anatomy and the lack of spinal instrumentation specifically designed for young children...
February 15, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29443835/venous-thromboembolism-incidence-after-craniofacial-surgery
#8
Wilson I Omesiete, James A Walker, Jack C Yu
INTRODUCTION: Current protocols for venous thromboembolism (VTE) prophylaxis after craniofacial surgery (CFS) vary widely with substantial disagreements in both indications and managements. An evidence-based approach to this issue requires the following: the incidence of postoperative VTE, comorbidities associated with coagulopathy, risk reduction after VTE prophylaxis, and complications attributable to prophylaxis. This study addresses the first two. DESIGN: Retrospective cross-sectional study...
February 13, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29440942/mandibular-positioning-techniques-to-improve-sleep-quality-in-patients-with-obstructive-sleep-apnea-current-perspectives
#9
REVIEW
Sofie Wilkens Knappe, Liselotte Sonnesen
The purpose of this article is to review 1) mandibular advancement device (MAD) - indication, treatment success, and side effects; 2) maxillomandibular advancement (MMA) surgery of the jaws - indication, treatment success, and side effects; and 3) current perspectives. Both MAD and MMA are administered to increase the upper airway volume and reduce the collapsibility of the upper airway. MAD is noninvasive and is indicated as a first-stage treatment in adult patients with mild-to-moderate obstructive sleep apnea (OSA) and in patients with severe OSA unable to adhere to continuous positive airway pressure (CPAP)...
2018: Nature and Science of Sleep
https://www.readbyqxmd.com/read/29438212/maxillo-mandibular-reconstruction-in-pediatric-patients-how-to-do-it
#10
Valentino Valentini, Luigi Califano, Andrea Cassoni, Della Monaca Marco, Ingrid Raponi, Paolo Priore, Maria Teresa Fadda, Giovanni Dell'Aversana Orabona, Valentina Terenzi
Maxillo-mandibular reconstruction in pediatric patients involves particular functional and cosmetic implications. Attention is required for the craniofacial growth over time, involvement of the permanent dentition, facial symmetry, and donor site morbidity. Our aim is to identify the best reconstructive options for maxilla-mandibular defects in children (<18 years) based on our experience with 25 pediatric patients. We believe that reconstruction has to be performed at the same time as resection in pediatric patients...
February 12, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29438206/surgical-outcome-after-less-rigid-fixation-in-open-cranial-vault-remodeling-for-craniosynostosis
#11
Khai Luen Koh, Ali Zain
: Open cranial vault remodeling techniques require rigid fixation with hardware such as plates and screws; however, complications can occur. The purpose of this study was to assess the surgical outcome after open reconstruction for craniosynostosis with less rigid fixation using nonabsorbable suture. METHODS: Retrospective review of patients who underwent open craniofacial reconstruction for craniosynostosis at the Hospital Kuala Lumpur between January 2011 and December 2016 were performed...
February 12, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29437516/ideal-versus-late-secondary-alveolar-bone-graft-surgery-a-bone-thickness-cone-beam-computed-tomographic-assessment
#12
Michele Alves Garcia, Marilia Yatabe, Thais Ustulin Fuzer, Adriana Maria Calvo, Ivy Kiemle Trindade-Suedam
OBJECTIVE: To compare the bone morphology after secondary alveolar bone graft surgery (SABG) performed before and after permanent canine eruption. DESIGN: Cross-sectional study. SETTING: Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, SP, Brazil. PATIENTS: 25 cone-beam computed tomography (CBCT) scans of complete unilateral cleft lip and palate (CLP) individuals who underwent SABG before or after eruption of the permanent canine taken 2 and 6 months (T1 and T2) after SAGB, resulting in 50 CBCT scans...
March 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29428403/the-sonic-hedgehog-signaling-pathway-regulates-inferior-alveolar-nerve-regeneration
#13
Yurie Yamada, Atsushi Ohazama, Takeyasu Maeda, Kenji Seo
Activation of Shh signaling is known to be observed following injury of the peripheral nerves such as the sciatic nerve. However, the precise role of Shh signaling during peripheral nerve regeneration is not fully understood. The inferior alveolar nerve (IAN) is most commonly injured during oral surgery. Unlike the sciatic nerve, the IAN is isolated from other craniofacial tissues, as it resides in a long bony canal within the mandible. The IAN is thus an excellent experimental model for investigating peripheral nerve regeneration...
February 8, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29428340/long-term-outcomes-of-craniofacial-implants-for-the-restoration-of-facial-defects
#14
S S Subramaniam, O Breik, B Cadd, G Peart, D Wiesenfeld, A Heggie, S D Gibbons, A Nastri
The aim of this study was to evaluate the long-term survival of craniofacial implants and prostheses and to identify factors associated with failure in a cohort of patients. A 25-year retrospective analysis was conducted at Royal Melbourne Hospital. Data included demographic characteristics, age, site and cause of the deformity, and number and survival of implants. Odds ratios were calculated and event-to-time Kaplan-Meier analyses performed. One hundred and ten patients were included (341 implants); their mean age was 46...
February 7, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29404244/skull-base-reconstruction-in-the-pediatric-patient
#15
REVIEW
Irit Duek, Alon Pener-Tessler, Ravit Yanko-Arzi, Arik Zaretski, Avraham Abergel, Ahmad Safadi, Dan M Fliss
Introduction  Pediatric skull base and craniofacial reconstruction presents a unique challenge since the potential benefits of therapy must be balanced against the cumulative impact of multimodality treatment on craniofacial growth, donor-site morbidity, and the potential for serious psychosocial issues. Objectives  To suggest an algorithm for skull base reconstruction in children and adolescents after tumor resection. Materials and Methods  Comprehensive literature review and summary of our experience...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29404239/nasoseptal-flap-for-skull-base-reconstruction-in-children
#16
REVIEW
Oded Ben-Ari, Anat Wengier, Barak Ringel, Narin N Carmel Neiderman, Zvi Ram, Nevo Margalit, Dan M Fliss, Avraham Abergel
Objective  The endoscopic endonasal approach is being increasingly used for the resection and reconstruction of anterior skull base (ASB) lesions. Vascularized nasoseptal flaps (NSF) have become the workhorse for the reconstruction of ASB defects, resulting in a significant decrease in the incidence of cerebrospinal fluid (CSF) leaks. The objective of this study was to investigate the efficacy and safety of NSF in children. Methods  This is a retrospective analysis of the medical records of all patients under the age of 18 years who underwent endoscopic repair of ASB lesions with the use of NSF at our tertiary medical center between 1/2011 and 8/2016...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29398097/3d-printing-in-orthognathic-surgery-a-literature-review
#17
REVIEW
Hsiu-Hsia Lin, Daniel Lonic, Lun-Jou Lo
With the recent advances in three-dimensional (3D) imaging, computer-assisted surgical planning and simulation are now regularly used for analysis of craniofacial structures and improved prediction of surgical outcomes in orthognathic surgery. A variety of patient-specific surgical guides and devices have been designed and manufactured using 3D printing technology, which rapidly gained widespread popularity to improve the outcomes. The article presents an overview of 3D printing technology for state-of-the-art application in orthognathic surgery and discusses the impacts on treatment feasibility and patient outcome...
February 2, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29384955/a-rare-case-report-of-complications-in-craniofacial-injuries-cavernous-sinus-carotid-fistula
#18
Dong Wang, Xiao-Mei Sun, Jin Wu
RATIONALE: Cavernous sinus-carotid fistula (CCF) is a rare complication of craniofacial injuries in patients receiving oral and maxillofacial surgical care. PATIENT CONCERNS: A retrospective review of 15 patients with CCF records was conducted. In addition, we present a rare case of a 32-year-old Chinese woman with CCF receiving oral and maxillofacial surgical care. DIAGNOSES: Digital subtraction angiography (DSA) confirmed a diagnosis of CCF...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29381630/the-infraorbital-foramen-is-located-midway-between-the-nasospinale-and-jugale-considerations-for-infraorbital-nerve-block-and-maxillofacial-surgery
#19
Matthew J Zdilla, Aaron W Koons, Michelle L Russell, Kelsey R Mangus, Kaitlyn N Bliss
Identification of the infraorbital foramen is important in infraorbital nerve block and the prevention of iatrogenic injury of the infraorbital nerve in maxillofacial surgeries. This study assessed the location of 887 infraorbital foramina from 518 adult crania of varied sex and population. The study assessed the midpoint of a line segment spanning from nasospinale to jugale (NS-J) relative to the infraorbital foramen. The mean distance of the NS-J midpoint from the infraorbital foramen was 2.1 ± 1.9 mm (mean ± SD) with a mode of 0 mm (266:887; 30%)...
January 19, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29368903/-anesthesic-management-during-total-organic-separation-of-pygopagus-conjoined-twins
#20
Mayra Lizeth Nava-Martínez, Enriqueta Macias-Miranda, Karla Guadalupe Lozada-Rosete, Juan José Dosta-Herrera
BACKGROUND: Conjoined twins are among the most rare and challenging congenital malformations. The incidence varies from 1:30 000 to 1:200 000 live births. Pygopagus twins account for about 10 to 18% of all conjoined twins. CLINICAL CASE: We report the case of male conjoined pygopagus twins. They shared medullary canal, anal canal and sacrococcygeal region, without any degree of cross circulation. At the moment of the surgery, twin 1 had congenital heart disease without medical treatment...
January 2018: Revista Médica del Instituto Mexicano del Seguro Social
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