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Cranial vault distraction

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https://www.readbyqxmd.com/read/29437511/computer-simulation-and-optimization-of-cranial-vault-distraction
#1
Michael J Foley, Patrick S Cottler, Silvia S Blemker, Arlen D Denny, Jonathan S Black
OBJECTIVE: The objective of this study was to validate the proof of concept of a computer-simulated cranial distraction, demonstrating accurate shape and end volume. DESIGN: Detailed modeling was performed on pre- and postoperative computed tomographic (CT) scans to generate accurate measurements of intracranial volume. Additionally, digital distraction simulations were performed on the preoperative scan and the resultant intracranial volume and shape were evaluated...
March 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29381615/posterior-vault-distraction-osteogenesis-in-nonsyndromic-patients-an-evaluation-of-indications-and-safety
#2
Rosaline S Zhang, Ari M Wes, Sanjay Naran, Ian C Hoppe, James Sun, Daniel Mazzaferro, Scott P Bartlett, Jesse A Taylor
PURPOSE: The purpose of this study was to evaluate the indications, safety, and short-term outcomes of posterior vault distraction osteogenesis (PVDO) in patients with no identified acrocephalosyndactyly syndrome (study) and to compare those to a syndromic cohort (controls). METHODS: Demographic and perioperative data were recorded and compared across the study and control groups for those who underwent PVDO between January 2009 and December 2016. Univariate analysis was conducted using χ and Fisher exact tests for categorical variables, and Mann-Whitney U test for continuous variables...
January 19, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29084117/a-review-of-randomized-controlled-trials-in-cleft-and-craniofacial-surgery
#3
Jonathan M Bekisz, Elise Fryml, Roberto L Flores
This study presents a systematic review of randomized controlled trials (RCTs) in cleft and craniofacial surgery. All studies reporting on RCTs in cleft and craniofacial surgery were identified on PubMed using the search terms "cleft," "velopharyngeal insufficiency," "velopharyngeal dysfunction," "nasoalveolar molding," "gingivoperiosteoplasty," "Pierre Robin sequence," "craniofacial," "craniosynostosis," "craniofacial microsomia," "hemifacial microsomia," "hypertelorism," "Le Fort," "monobloc," "distraction osteogenesis," "Treacher Collins," and "Goldenhar...
October 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29036029/-anterior-skull-base-and-pericranial-flap-ossification-after-frontofacial-monobloc-advancement
#4
Anne Morice, Giovanna Paternoster, Agnès Ostertag, Syril James, Martine Cohen-Solal, Roman H Khonsari, Eric Arnaud
BACKGROUND: Frontofacial monobloc advancement (FFMBA) creates a communication between the anterior cranial fossa and nasal cavities. To tackle this issue, trans-orbital pericranial pedicled flaps (PF) are routinely performed in our center. This study aimed to assess the post-operative ossification of the anterior skull base and PF following FFMBA, and to identify factors influencing this ossification. METHODS: Measurements of the skull base only (SB) and of the ossified PF together with the SB (SB-OPF) were performed on CT scans at the naso-frontal (NF) and the naso-ethmoïdo-frontal (NEF) junctions...
October 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29030279/posterior-cranial-vault-distraction-osteogenesis-in-craniofacial-surgery-technical-note
#5
Q de Kerangal, A Paré, A Joly, N Travers, D Goga, B Laure
INTRODUCTION: Posterior cranial vault distraction is a treatment for intracranial hypertension in certain cases of craniosynostosis and faciocraniosynostosis. It allows the harmonization of the skull back and prevents turricephaly. This study presents the surgical technique. TECHNICAL NOTE: Posterior cranial vault distraction osteogenesis consists of a circular osteotomy of the skull back. Four distractors are placed on the cranial flap without detachment of the dura mater...
October 10, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28904587/complete-resolution-of-papilledema-in-syndromic-craniosynostosis-with-posterior-cranial-vault-distraction
#6
Melissa LoPresti, Edward P Buchanan, Veeral Shah, Caroline M Hadley, Laura A Monson, Sandi Lam
We report a case of surgical management of Crouzon syndrome with multisuture craniosynostosis presenting with increased intracranial pressure (ICP) manifesting with chronic papilledema without ventriculomegaly. A 12-month-old boy had complete resolution of papilledema after posterior cranial vault distraction followed by staged fronto-orbital advancement. Expansion of the cranial vault with posterior distraction osteogenesis posed an elegant treatment, obviating ventriculoperitoneal shunt placement for cerebrospinal fluid (CSF) diversion...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28885444/surgical-treatment-of-nonsyndromic-craniosynostosis
#7
Kristen A Klement, Karri A Adamson, Narges L Horriat, Arlen D Denny
Studies on the treatment of nonsyndromic craniosynostosis demonstrate decreasing morbidity and mortality; however, complication rates still range from 5% to 14%. Here, the authors present their last 10 years' experience treatment of nonsyndromic single suture craniosynostosis. A retrospective review was performed on patients who underwent open surgical treatment of nonsyndromic craniosynostosis over 10 years. Patient characteristics and clinical outcomes were reviewed. Radiological analysis of intracranial volumes was performed using Amira software...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28692498/distraction-of-fronto-orbital-segment-as-a-nonvascularized-bone-graft-in-craniosynostotic-patients
#8
Gökhan Tunçbilek, Ersoy Konaş, Mert Çaliş, Galip Gencay Ustun, Burçak Bilginer
Fronto-orbital advancement using distraction techniques involves the dura left attached to the osteotomized bone segment to avoid dead space formation and dural injury, whereas it is impossible to reshape the supraorbital bar and the frontal bone complex, when necessary. Our approach combines advantageous parts of conventional and distraction osteogenesis techniques as remodel and distract the supraorbital bar and frontal bone complex as a free bone graft. Twenty-seven patients either being syndromic and nonsyndromic craniosynostosis, with at least 3 years of follow-up were reviewed in this study...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28654610/what-s-new-in-syndromic-craniosynostosis-surgery
#9
Jesse A Taylor, Scott P Bartlett
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Understand the role of prenatal screening and counseling of parents of unborn children with syndromic craniosynostosis. 2. Recognize the genetic abnormalities, craniofacial phenotype, associated anomalies, and challenges associated with each of the five major forms of syndromic craniosynostosis. 3. Identify the pros and cons associated with timing and types of cranial vault remodeling techniques in this patient population...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28483229/use-of-three-dimensional-cad-cam-assisted-virtual-surgical-simulation-and-planning-in-the-pediatric-craniofacial-population
#10
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
https://www.readbyqxmd.com/read/28383737/increases-in-cranial-volume-with-posterior-cranial-vault-distraction-in-31-consecutive-cases
#11
Niina Salokorpi, Ville Vuollo, Juha-Jaakko Sinikumpu, Leonid Satanin, Heleia Nestal Zibo, Leena P Ylikontiola, Pertti Pirttiniemi, George K Sándor, Willy Serlo
BACKGROUND: Posterior cranial vault distraction (PCVD) is a technique widely used in surgical treatment of craniosynostosis when cranial expansion is required. It has proven to be safe and to allow a significant increase of intracranial volume. OBJECTIVE: To evaluate increases in intracranial volume as a result of PCVD performed in Oulu Craniofacial center using 2 different methods based on 3-dimensional (3-D) photogrammetric imaging or plain skull radiographs. METHODS: All children less than 16 yr of age who were treated by PCVD (n = 31) from 2009 to 2015 at the Oulu Craniofacial Center were included...
November 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28338248/surgical-strategy-for-apert-syndrome-retrospective-study-of-developmental-quotient-and-three-dimensional-computerized-tomography
#12
Shoichi Tomita, Takeshi Miyawaki, Yuichirou Nonaka, Shinsuke Sakai, Reiji Nishimura
There are many surgical techniques for craniosynostosis. However, the indications for and timing of surgery still remain unclarified. Most of the skull growth in craniosynostosis is completed in the first year, and the bone is strong enough to undergo distraction osteogenesis. However, previous reports showed that patients operated on before 1 year of age had better IQ than those operated later in life. This report aims to consider the best timing for cranial expansion and surgical strategy for Apert syndrome...
March 24, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/27712818/nonsyndromic-craniosynostosis-and-deformational-head-shape-disorders
#13
REVIEW
Lisa M Morris
This article provides an overview of etiology, epidemiology, pathology, diagnosis, and treatment of nonsyndromic craniosynostosis, including sagittal, metopic, coronal, lambdoid, and complex synostosis. Detailed discussion is presented regarding indications for surgical intervention and management options, including frontoorbital advancement, cranial vault reconstruction, endoscopic strip craniectomy, spring-assisted strip craniectomy, and cranial vault distraction osteogenesis. Deformational plagiocephaly is also presented with treatment options including repositioning, physical therapy, and helmet therapy...
November 2016: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/27595190/surgical-correction-of-lambdoid-synostosis-new-technique-and-first-results
#14
Jan-Falco Wilbrand, Hans-Peter Howaldt, Marcus Reinges, Petros Christophis
OBJECTIVE: Premature craniosynostosis of the lambdoid suture is rare. The use of differential diagnosis to rule out positional occipital plagiocephaly is crucial. Nevertheless, once diagnosed, lambdoid craniosynostosis requires corrective surgery to prevent intracranial harm and aesthetic stigma by significant dyscrania. Operative correction of the lambdoid fusion is often performed by suturectomy and helmet therapy, total occipital remodeling interventions, transposition of occipital bone flaps, or occipital advancement procedures either with or without distraction osteogenesis...
October 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27516836/early-posterior-vault-distraction-osteogenesis-for-the-treatment-of-syndromic-craniosynostosis
#15
Dana Johns, Erin Anstadt, Daniel Donato, John Kestle, Jay Riva-Cambrin, Faizi Siddiqi, Barbu Gociman
Posterior cranial vault distraction (PCVD) has become an important modality in the management of complex craniosynostosis to increase intracranial volume and improve the cranial vault appearance. This technique can safely be performed as early as 3 months of age for the initial management of patients with complex craniosynostosis. A retrospective review was performed of all the patients with syndromic, multiple-suture synostosis treated with PCVD at Primary Children's Hospital in Salt Lake City, Utah, between 2012 and 2014...
September 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27391490/quantitative-analysis-of-change-in-intracranial-volume-after-posterior-cranial-vault-distraction
#16
Azusa Shimizu, Yuzo Komuro, Kazuaki Shimoji, Masakazu Miyajima, Hajime Arai
Posterior cranial vault distraction is considered to be more effective for increasing intracranial volume than fronto-orbital advancement or anterior cranial vault expansion, but the changes in intracranial volumes after posterior cranial vault distraction remain unclear. The changes in intracranial volume were investigated in patients of premature craniosynostosis treated by this technique. Seven patients, 3 boys and 4 girls aged from 5 months to 3 years 3 months (mean 23 months) at operation, with craniosynostosis underwent posterior cranial vault distraction at Juntendo University Hospital from 2011 to 2014...
July 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27380577/a-perioperative-risk-comparison-of-posterior-vault-distraction-osteogenesis-in-an-older-pediatric-population
#17
COMPARATIVE STUDY
Jing Li, Patrick A Gerety, Wen Xu, Scott P Bartlett, Jesse A Taylor
There is a growing literature on the advantages of posterior cranial vault distraction osteogenesis (PVDO) in infants, particularly those with syndromic and multisuture craniosynostosis. This study aims to compare perioperative outcomes of PVDO in older patients to those of infants. A prospective craniofacial database was queried for patients aged 5 and older undergoing PVDO; controls were diagnosis-matched infants. Demographic, perioperative, and distraction data was compared using a 2-sample t test and Fisher exact test...
July 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27226854/distraction-osteogenesis-update-introduction-of-multidirectional-cranial-distraction-osteogenesis
#18
REVIEW
Akira Gomi, Ataru Sunaga, Hideaki Kamochi, Hirofumi Oguma, Yasushi Sugawara
In this review, we discuss in detail our current procedure for treating craniosynostosis using multidirectional cranial distraction osteogenesis (MCDO). The MCDO method allows all phenotypes of skull deformity to be reshaped by distraction osteogenesis, except in patients who are 5 months of age or younger and patients with posterior cranial vault problems. We report the results of clinical data of 36 children with craniosynostosis who underwent MCDO between 2005 and 2014 in our institute. This method has the following benefits, such as a high flexibility of reshaping, shorter treatment period and less invasive secondary intervention...
May 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27226850/physiological-changes-and-clinical-implications-of-syndromic-craniosynostosis
#19
REVIEW
Hiroaki Sakamoto, Yasuhiro Matsusaka, Noritsugu Kunihiro, Keisuke Imai
Syndromic craniosynostosis has severe cranial stenosis and deformity, combined with hypoplastic maxillary bone and other developmental skeletal lesions. Among these various lesions, upper air way obstruction by hypoplastic maxillary bone could be the first life-threatening condition after birth. Aggressive cranial vault expansion for severely deformed cranial vaults due to multiple synostoses is necessary even in infancy, to normalize the intracranial pressure. Fronto-orbital advancement (FOA) is recommended for patients with hypoplastic anterior part of cranium induced by bicoronal and/or metopic synostoses, and posterior cranial vault expansion is recommended for those with flattening of the posterior part of the cranium by lambdoid synostosis...
May 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27192646/a-new-technique-for-posterior-distraction-in-craniosynostosis-the-double-door-technique
#20
Yoshiaki Sakamoto, Tomoru Miwa, Hideo Nakajima, Kazunari Yoshida, Kazuo Kishi
BACKGROUND: Posterior cranial vault distraction osteogenesis is a common treatment for syndromal patients of brachycephaly and oxycephaly. Although posterior distraction can increase intracranial volume, the flattened head phenotype is difficult to correct. The authors examined a new posterior distraction technique termed double-door distraction for improvement of the flattened head phenotype. METHODS: From 2010 to 2013, 6 patients with flattened posterior craniums were operated on using the double-door distraction technique...
June 2016: Journal of Craniofacial Surgery
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