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Ravi Sharma, Manoj Phalak, Varidh Katiyar
No abstract text is available yet for this article.
February 16, 2018: Journal of Neurosurgery
Brad M Gandolfi, Sameer A Hirji, Danielle L Sobol, Alexander C Allori, Jeffrey R Marcus
BACKGROUND: Cranial vault reconstruction (CVR) is the gold standard in the operative treatment of craniosynostosis. Full thickness osseous defects (FTOD) of the calvaria have been observed in 5% to 15% patients after CVR, with higher rates cited in the fronto-orbital advancement (FOA) subset. Particulate bone graft (PBG) harvested manually has been shown to decrease FTOD after FOA from 24% to 5.5%. The authors used a modified technique using a powered craniotome, with the hypothesis that the technique would also improve outcomes...
February 12, 2018: Journal of Craniofacial Surgery
Thara Maria Joseph, R Ravichandran, K Harshakumar, S Lylajam
The defects of the skull cause mechanical vulnerability of the brain, esthetic disfigurement, and transmission of vibrations and pulsation of the brain. Subsequent cranioplasty may be required to compensate for the defect and to alleviate various signs and symptoms. When long-term outcome of biomaterial use in pediatric cases is limited, alloplastic cranioplasty in adults are supported by several large case series. This case report narrates cranioplasty using titanium alloplastic implant material.
January 2018: Journal of Indian Prosthodontic Society
David J Wallace, Michael J McGinity, John R Floyd
Craniotomy surgical site infections are an inherent risk and dreaded complication for the elective brain tumor patient. Sequelae can include delays in resumption in adjuvant treatments for multiple surgeries if staged cranioplasty is pursued. Here, the authors review their experience in operative debridement of surgical site infections with single-stage reimplantation of the salvaged craniotomy bone flap. A prospectively maintained database of a single surgeon's neuro-oncology patients from 2009 to 2017 (JRF) was queried to identify 11 patients with surgical site infection after craniotomy for tumor resection...
February 10, 2018: Neurosurgical Review
Agus Turchan, Taufiq Fatchur Rochman, Arie Ibrahim, Dyah Fauziah, Joni Wahyuhadi, M Arifin Parenrengi, Asra Al Fauzi, Erliano Sufarnap, Abdul Hafid Bajamal, Ferdiansyah, Heri Suroto, Purwati, Fedik Abdul Rantam, Adanti Wido Paramadini, Christianto Benjamin Lumenta
In the field of neurosurgery, often the dura mater cannot be sutured, and consequently, it requires a duraplasty procedure using a dural fascial graft. Since 1890, various materials have been researched as dura mater substitutes. Amniotic membrane, for example, is suitable as a dural graft material and has been used in neurosurgery since 2012. However, there has been little research on human patient's dural healing after the use of amniotic membrane in their duraplasty procedure. To address this gap, a clinical experimental study was undertaken to evaluate the human dural healing of 16 patients who had undergone duraplasty in decompressive craniectomy surgery at Dr...
February 7, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Hugh Kearney, Jane Cryan, Alan Beausung, Seamus Looby, Francesca M Brett
The aim of this study is to identify, in our center, all cases of foreign-body reactions to hemostatic agents or other prostheses resulting in a radiological suspicion of tumor recurrence. We interrogated our internal database to identify all such cases and systematically evaluated the MRI brain scans of patients: (i) at the time of initial tumor diagnosis, (ii) postoperatively, (iii) and at the time of suspected tumor recurrence. In addition, we reviewed each patient's operative notes and reviewed the histology of all cases following a second surgical intervention...
February 9, 2018: Clinical Neuropathology
Hongbo Chen, Jiaming Sun, Jie-Cong Wang
PURPOSE: The objective of this article is to present the long-term outcomes of digital three-dimensional (3D) hydroxyapatite (HA) implants used for calvarial defects. Porous HA provide good results and have many characteristics, making it suitable for calvarial defect reconstruction. However, using HA may be associated with potentially serious complications, including infection and exposure. The authors used digital 3D HA for cranioplasty for many years and accumulated considerable experience from using it...
February 7, 2018: Journal of Craniofacial Surgery
Christopher C Young, Brian W Hanak, Anoop P Patel, Laligam N Sekhar
BACKGROUND: Craniectomy is a frequently performed neurosurgical procedure and coverage of the cranial defect is necessary for protection of the underlying brain, cosmesis, and patient satisfaction. We report a new technique for intraoperative in-situ synthetic cranioplasty to allow for one-step resection of skull osteoma and reconstruction of cranial defect. Strategies of intraoperative cranioplasty are reviewed. METHOD: A 48-year-old man presents with a suspected benign osteoma over his forehead...
January 30, 2018: World Neurosurgery
Muhanad M Hatamleh, Xiaohong Wu, Ahmad Alnazzawi, Jason Watson, David Watts
OBJECTIVE: Surface and mechanical properties of titanium alloys are integral for their use in restoring bone defects of skull and face regions. These properties are affected by the method of constructing and surface treatment of the titanium implant. This study aimed to investigate the effects of titanium finishing protocols on the surface morphology, hardness and biocompatibility of TiAl6V4. METHODS: Square shaped TiAl6V4 specimens (ASTM F68) (10×10×0.5mm) were divided into seven groups of different surface treatments (n=10)...
February 1, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
Jingyi Zhao, Guodong Song, Xianlei Zong, Xiaonan Yang, Le Du, Xiaoshuang Guo, Chenzhi Lai, Zuoliang Qi, Xiaolei Jin
BACKGROUND: Skin ulcers and alloplastic implant exposure are intractable complications that arise after cranial defect reconstruction. Many methods have been used to repair these defects, including skin grafting, local flaps, and free flaps; however, in most cases, alloplastic implants must be removed to control infections. Here, we describe the use of a reversed temporal island flap to repair exposed titanium mesh without removing it. METHODS: Eight cases of skin and titanium mesh exposure were included from 2010 to 2015...
January 29, 2018: World Neurosurgery
Kristopher M Day, Paul M Phillips, Larry A Sargent
We describe a case of complex, posttraumatic skull and orbital deformities that were evaluated and treated with advanced computer technology, including virtual surgical planning, three-dimensional (3D) modeling, and printed patient custom implants (PCI) fabricated by 3D printing. A 50-year-old man presented to our craniofacial referral center 1 year after failed reduction of complex left orbital, zygomatic, and frontal bone fractures due to a motorcycle collision. The patient's chief complaint was debilitating diplopia in all fields of gaze...
March 2018: Craniomaxillofacial Trauma & Reconstruction
James Sun, Netanja S Ter Maaten, Daniel M Mazzaferro, Ari M Wes, Sanjay Naran, Scott P Bartlett, Jesse A Taylor
PURPOSE: The aim of this study is to evaluate the effect of timing of surgery and spring characteristics on correction of scaphocephalic deformity in patients undergoing spring-mediated cranioplasty (SMC) for sagittal craniosynostosis. METHODS: The authors conducted a review of patients with sagittal craniosynostosis who underwent SMC at a tertiary referral center between July 2011 and March 2017, with a primary outcome measure of head shape, both preoperatively and postoperatively, determined by cephalic index (CI)...
January 19, 2018: Journal of Craniofacial Surgery
Pooi Pooi Cheah, Azmin Kass Rosman, Chee Keong Cheang, Badrisyah Idris
No abstract text is available yet for this article.
December 2017: Malaysian Journal of Medical Sciences: MJMS
Qiuming Zhang, Yikai Yuan, Xuepei Li, Tong Sun, Yicheng Zhou, Hang Yu, Junwen Guan
OBJECTIVE: Cranioplasty (CP) can be either embedded or covered, according to the implants used. However, determining which one is better in treating cranial defects is difficult. This study aimed to compare the clinical outcomes and complications of embedded CP and covered CP. METHODS: A multicenter retrospective study was carried out with patients who underwent CP with polyetheretherketone (PEEK) implants and titanium implants between January 2014 and March 2017...
January 25, 2018: World Neurosurgery
Dimitrios Pachatouridis, George A Alexiou, Evaggelos Michos, Spyridon Voulgaris
No abstract text is available yet for this article.
January 23, 2018: Brain Injury: [BI]
Alessandro Borghi, Naiara Rodriguez-Florez, Will Rodgers, Gregory James, Richard Hayward, David Dunaway, Owase Jeelani, Silvia Schievano
Implantation of spring-like distractors in the treatment of sagittal craniosynostosis is a novel technique that has proven functionally and aesthetically effective in correcting skull deformities; however, final shape outcomes remain moderately unpredictable due to an incomplete understanding of the skull-distractor interaction. The aim of this study was to create a patient specific computational model of spring assisted cranioplasty (SAC) that can help predict the individual overall final head shape. Pre-operative computed tomography images of a SAC patient were processed to extract a 3D model of the infant skull anatomy and simulate spring implantation...
January 19, 2018: Medical Engineering & Physics
Erik Nout, Maurice Y Mommaerts
CONTEXT: Cranioplasty is a frequently performed procedure that uses a variety of reconstruction materials and techniques. In this technical note, we present refinements of computer-aided design-computer-aided manufacturing inlay cranioplasty. OBJECTIVE, DESIGN, AND SETTING: In an attempt to decrease complications related to polyether-ether-ketone (PEEK) cranioplasty, we gradually made changes to implant design and cranioplasty techniques. These changes include under-contouring of the implant and the use of segmented plates for large defects, microplate fixation for small temporal defects, temporal shell implants to reconstruct the temporalis muscle, and perforations to facilitate the drainage of blood and cerebrospinal fluid and serve as fixation points...
January 8, 2018: Oral and Maxillofacial Surgery
Griffin Ernst, Fares Qeadan, Andrew P Carlson
OBJECTIVE Decompressive craniectomy is used for uncontrolled intracranial pressure in traumatic brain injury and malignant hemispheric stroke. Subcutaneous preservation of the autologous bone flap in the abdomen is a simple, portable technique but has largely been abandoned due to perceived concerns of resorption. The authors sought to characterize their experience with subcutaneous preservation of the bone flap and cranioplasty. METHODS The authors performed a retrospective single-institution review of subcutaneous preservation of the autologous bone flap after decompressive craniectomy from 2005 to 2015...
January 5, 2018: Journal of Neurosurgery
Neil Jasey, Irene Ward, Anthony Lequerica, Nancy D Chiaravalloti
PRIMARY OBJECTIVE: To examine the effect of cranioplasty on recovery. RESEARCH DESIGN: Retrospective cohort study. METHOD AND PROCEDURES: Retrospective chart review conducted in 2011 and 2012 on adult inpatients with craniectomy who completed a continuous episode of inpatient rehabilitation before and after receiving their cranioplasty. Patients were matched 1:1 or age, gender, functional level at admission, injury severity and length of stay with inpatients who completed rehabilitation before cranioplasty...
December 28, 2017: Brain Injury: [BI]
Alexis Moles, Pierre Marie Heudes, Aymeric Amelot, Joseph Cristini, Céline Salaud, Vincent Roualdes, Tanguy Riem, Stéphane André Martin, Sylvie Raoul, Luc Terreaux, Eric Bord, Kevin Buffenoir
OBJECTIVE: The CustomBone® (CB) prosthesis is a 3D reconstruction technique allowing custom-made cranioplasty (CP) possessing osseointegration properties due to its porous hydroxyapatite (HA) composition. This reconstruction technique has replaced less expensive techniques such as the use of subcutaneously preserved autologous bone (SP). The primary objective of this study was to evaluate complication between CB and SP cranioplasty techniques and the secondary objective was to assess cosmetic results and osseointegration of CPs...
December 22, 2017: World Neurosurgery
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