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Cranial distraction

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https://www.readbyqxmd.com/read/28059851/treated-unilateral-lambdoid-synostosis-using-cranium-distraction-osteogenesis-with-z-shaped-osteotomy
#1
Shen Weimin, Jie Cui, Jianbing Chen, Qingwen Gao
PURPOSE: We studied the effect of cranium distraction osteogenesis using Z-shaped osteotomy to treat unilateral lambdoid synostosis. METHODS: Simulating the occipital, parietal, and temporal bones as a hemisphere, we designed a lambdoid suture that connected parallel osteotomy and sagittal sutures or extended to fossa cranii posterioras much like the parallel lines connect the upper and lower aspects of the letter Z. Two to 3 distraction devices were then installed after the Z-shaped osteotomy suture...
January 3, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28027243/correction-of-sagittal-craniosynostosis-using-distraction-osteogenesis-based-on-strategic-categorization
#2
Myung Chul Lee, Kyu Won Shim, In Sik Yun, Eun Kyung Park, Yong Oock Kim
BACKGROUND: Distraction osteogenesis has been used to correct sagittal craniosynostosis in various ways. The purpose of this study was to introduce three distraction osteogenesis procedures by describing four objective measurements. METHODS: Fifty-four patients with sagittal synostosis were recruited and assigned to one of three therapeutic groups: group 1, anteroposterior compression with bitemporal expansion (n = 35); group 2, bitemporal expansion (n = 9); and group 3, anteroposterior expansion with bitemporal expansion (n = 10)...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27942912/distinguishing-features-of-psychogenic-functional-versus-organic-hemifacial-spasm
#3
José Fidel Baizabal-Carvallo, Joseph Jankovic
Hemifacial spasm (HFS) is one of the most common presentations in patients with cranial psychogenic (functional) movement disorders (PMD). Medical records and videos of patients with PMD and HFS were reviewed to identify those with psychogenic HFS and to compare the phenomenology of psychogenic HFS with organic HFS. We identified 18 (9.8%) patients with psychogenic HFS from a cohort of 184 patients with PMDs. There were 14 (78%) women and 4 men, with a mean age at onset of 33 ± 13.5 years. These were compared with 37 consecutive patients with organic (primary) HFS...
December 9, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27922963/publication-trends-in-craniofacial-distraction-a-bibliometrical-analysis
#4
Asra Hashmi, Adam Schumaier, Shenita White, Christina Yi, Faraz A Khan, Curtis J Hanba, Faisal Al-Mufarrej
PURPOSE: The purpose of this study was to analyze the craniofacial distraction literature published over the last 50 years and to determine various trends in publications. METHODS: A literature search was conducted in November and December 2015. The date search range was 1965 to 2015. Databases searched included Medline, Web of Science, Biosis, SciELO, Data Citation, and Zoologic Records. Data were collected on distraction type, author specialty, date of publication, country, state (if United States), number of citations, journal name, journal type, and Le Fort type (for midfacial distractions)...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27845963/internal-distraction-osteogenesis-with-piezosurgery-oblique-osteotomy-of-supraorbital-margin-of-frontal-bone-for-the-treatment-of-unilateral-coronal-synostosis
#5
Weimin Shen, Jie Cui, Jianbing Chen, Yi Ji, Liangliang Kong
PURPOSE: To assess the utility of internal distraction osteogenesis with Piezosurgery oblique osteotomy of supraorbital margin of frontal bone for the treatment of unilateral coronal synostosis and to study the outcome and complications of this procedure. Oblique osteotomy allows for entry into the cranial cavity, and along with parallel cut to the roof of the orbit, avoids the need to cut into the orbit which forms the frontal flap. METHODS: Oblique osteotomy was performed along the supraorbital rim to do a frontal suture of the glabella (ages of patients were less than 1 year) or on the opposite side of the supraorbital rim (ages of patients were older than 1 year) after performing a suturectomy of the effected coronal suture...
November 15, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27713061/the-total-calvarial-transsutural-distraction-osteogenesis-for-26-children-with-slit-ventricle-craniosynostosis-or-microcephaly-after-shunt-operation
#6
Dong Ha Park, Soo Han Yoon
OBJECTIVE: Among shunt complications, the postshunt slit ventricle (PSSV) and the postshunt craniosynostosis (PSCS) may be managed by shunt valve upgrade and/or cranial expansion surgery. Here, we analyzed 26 children with PSSV, PSCS, or microcephaly who received simple generalized cranial expansion (ie, total calvarial transsutural distraction osteogenesis [TC-TSuDO]). METHODS: Among 254 children with shunt surgery, 26 children received TC-TSuDO. These 26 children included 14 with PSSV, 4 with PSCS, and 8 with both PSSV and PSCS...
October 3, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27712818/nonsyndromic-craniosynostosis-and-deformational-head-shape-disorders
#7
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/27617809/efficacy-of-standard-costochondral-grafting-in-patients-with-bilateral-craniofacial-microsomia
#8
Arman T Serebrakian, Michael S Golinko, Michael Alperovich, Christopher M Runyan, David A Staffenberg
Craniofacial microsomia remains the second most common craniofacial deformity after cleft lip and palate. Mandibular pathology has been classically scored from type I to type III by the modified Pruzansky-Kaban classification. The authors report a case of a 5-year-old patient with Goldenhar syndrome and bilateral type III craniofacial macrosomia. The patient had absence of bilateral glenoid fossas, condyles, coronoids, and rami as well as hypoplasia of the symphysis, parasymphysis, and mandibular body. Reconstruction was performed using 2 costochondral rib autografts to reconstruct a ramus and assist in the development of a neo-glenoid fossa at the cranial base...
October 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27595190/surgical-correction-of-lambdoid-synostosis-new-technique-and-first-results
#9
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/27528515/-rational-use-of-distraction-osteogenesis-in-craniofacial-surgery
#10
P Guerreschi, A Wolber, Y Bennis, M Vinchon, V Martinot-Duquennoy
Distraction osteogenesis, initially developed by Ilizarov for limb, is the tissular extension caused by the progressive space of the osseous pieces following an osteotomy. Distraction is osteogenesic and histogenic. Twenty-five years ago, at the instigation of McCarthy, this technique was used to handle the craniofacial malformations in the various floors of the face : mandibular, mediofacial and cranial. The most wide-spread protocols respect a latency period from 0 to 7 days, a rhythm of distraction from 1 to 2mm a day in 2 at 4 times and a period of consolidation from 4 to 8 weeks...
October 2016: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/27516836/early-posterior-vault-distraction-osteogenesis-for-the-treatment-of-syndromic-craniosynostosis
#11
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
#12
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
#13
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/27357272/prospective-evaluation-of-the-leipzig-stifle-distractor
#14
Philipp Winkels, Antonio Pozzi, Robert Cook, Peter Böttcher
OBJECTIVES: To evaluate the Leipzig Stifle Distractor (LSD) for arthroscopic evaluation of the medial meniscus. STUDY DESIGN: Prospective clinical multi-center study. ANIMALS: 64 stifles of 64 dogs (mean body weight 35 kg) with suspected cranial cruciate ligament rupture. METHODS: The LSD was used to distract the medial compartment and to evaluate the medial meniscus. The degree of exposure of the caudal pole of the medial meniscus (CMM) and ease of diagnosis was quantified after either distraction with the LSD or manipulation of the stifle with valgus stress and external rotation...
July 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27226854/distraction-osteogenesis-update-introduction-of-multidirectional-cranial-distraction-osteogenesis
#15
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
#16
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/27218062/bilateral-abducent-nerve-palsy-after-neck-trauma-a-case-report
#17
Hamed Aminiahidashti, Sajad Shafiee, Mohammad Sazegar, Nazanin Nosrati
INTRODUCTION: The abducent nucleus is located in the upper part of the rhomboid fossa beneath the fourth ventricle in the caudal portion of the pons. The abducent nerve courses from its nucleus, to innervate the lateral rectus muscle. This nerve has the longest subarachnoid course of all the cranial nerves, it is the cranial nerve most vulnerable to trauma. It has been reported that 1% to 2.7% of all head injuries are followed by unilateral abducent palsy, but bilateral abducent nerve palsy is extremely rare...
February 2016: Trauma Monthly
https://www.readbyqxmd.com/read/27213737/novel-rigid-external-distraction-device-improves-stability-and-controls-the-vector-during-midfacial-advancement
#18
Cory M Resnick, Stephen Alex Rottgers, Christopher C Langenfeld, John B Mulliken, Bonnie L Padwa
The major limitation of the rigid external devices currently used for midfacial distraction after subcranial Le Fort III osteotomies is the ductile wire that connects the midface to the device, which makes it difficult to control the vector and force during distraction. The authors describe a novel external appliance that addresses this and other problems of contemporary devices, and application of a custom cranial template that facilitates precise placement of the device to achieve the planned vector of distraction...
June 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27192646/a-new-technique-for-posterior-distraction-in-craniosynostosis-the-double-door-technique
#19
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
https://www.readbyqxmd.com/read/27174384/capsular-release-around-the-intercondylar-notch-increases-the-extension-gap-in-posterior-stabilized-rotating-platform-total-knee-arthroplasty
#20
Yoshinori Okamoto, Mikio Nakajima, Tsuyoshi Jotoku, Shuhei Otsuki, Masashi Neo
BACKGROUND: In posterior-stabilized (PS) total knee arthroplasty (TKA), various post-cam designs can be used. A larger cam of the femoral component may tighten the extension gap. Few studies have investigated the relationship between capsular release around the intercondylar notch and the extension gap. The aim of this study was to assess the effect of capsular release around the intercondylar notch on the extension gap. METHODS: Forty-eight patients (54 knees) who underwent PS rotating-platform TKA (PFC Sigma RP-F) were enrolled retrospectively...
August 2016: Knee
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