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https://www.readbyqxmd.com/read/29793034/a-case-control-study-about-foetal-trauma-during-cesarean-delivery
#1
Enora Dolivet, Cécile Delesalle, Rémi Morello, Marie Blouet, Corinne Bronfen, Michel Dreyfus, Guillaume Benoist
OBJECTIVE: The caesarean section rate is gradually increasing in most countries. The frequency of occurrence of foetal injury per birth is estimated to 1%. The majority of these injuries presents a low functional impact, but remains responsible for a significant neonatal morbidity. Even though the foetal risk factors are well documented in cases of vaginal birth, they have not been accurately identified for cesarean section. The aim of this study is to identify the risk factors for neonatal fracture during caesarean section...
May 21, 2018: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/29792727/added-value-of-including-entire-brain-on-body-imaging-with-fdg-pet-mri
#2
Ana M Franceschi, Robert Matthews, Lev Bangiyev, Nand Relan, Ammar Chaudhry, Dinko Franceschi
OBJECTIVE: FDG PET/MRI examination of the body is routinely performed from the skull base to the mid thigh. Many types of brain abnormalities potentially could be detected on PET/MRI if the head was included. The objective of this study was therefore to identify and characterize brain findings incidentally detected on PET/MRI of the body with the head included. MATERIALS AND METHODS: We retrospectively identified 269 patients with FDG PET/MRI whole-body scans that included the head...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792378/location-and-distribution-of-craniomaxillofacial-fractures-in-45-cats-presented-for-the-treatment-of-head-trauma
#3
Ingrid Tundo, Peter Southerden, Andrew Perry, Richard M Haydock
Objectives The aim of this retrospective study was to describe the location and distribution of craniomaxillofacial (CMF) fractures in 45 cats presented to a veterinary referral centre between 2012 and 2017. Methods Cats with a history of head trauma, one or more CMF fractures and a pretreatment CT scan of the CMF region were included in this study. For the purpose of the study, the CMF skeleton was divided into 15 functional anatomical regions and the fracture sites were allocated to one of these functional regions...
May 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29792280/resource-utilization-and-indications-for-helicopter-transport-of-head-injured-children
#4
Clay M Elswick, Deidre Wyrick, Lori A Gurien, Malik Rettiganti, Marie Gowen, Ambre' Pownall, Diaa Bahgat, R Todd Maxson, Eylem Öcal, Gregory W Albert
INTRODUCTION: Helicopter emergency medical services (HEMS) have provided benefit for severely injured patients. However, HEMS are likely overused for the transportation of both adult and pediatric trauma patients. In this study, we aim to evaluate the degree of overuse of helicopter as a mode of transport for head-injured children. In addition, we propose criteria that can be used to determine if a particular patient is suitable for air versus ground transport. MATERIALS AND METHODS: We identified patients who were transported to our facility for head injuries...
May 1, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29792035/3-substituted-1-5-diaryl-1-h-1-2-4-triazoles-as-prospective-pet-radioligands-for-imaging-brain-cox-1-in-monkey-part-2-selection-and-evaluation-of-11c-ps13-for-quantitative-imaging
#5
Stal Shrestha, Prachi Singh, Michelle Y Cortes-Salva, Kimberly J Jenko, Masamichi Ikawa, Min-Jeong Kim, Masato Kobayashi, Cheryl L Morse, Robert L Gladding, Jeih-San Liow, Sami S Zoghbi, Masahiro Fujita, Robert B Innis, Victor W Pike
In our preceding paper (Part 1), we identified three 1,5-bis-diaryl-1,2,4-triazole-based compounds that merited evaluation as potential PET radioligands for selectively imaging COX-1 in monkey and human brain, namely (1,5-bis-(4-methoxyphenyl)-3-(alkoxy)-1 H -1,2,4-triazoles bearing a 3-methoxy (PS1), a 3-(2,2,2-trifluoroethoxy) (PS13), or a 3-fluoromethoxy substituent (PS2). PS1 and PS13 were labeled by O -11C-methylation reactions with [11C]iodomethane, and PS2 by O -18F-fluoroalkylation with [ d 2-18F]fluorobromomethane...
May 23, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29791994/letter-to-the-editor-regarding-optical-coherence-tomography-in-the-management-of-skull-base-fibrous-dysplasia-with-optic-nerve-involvement
#6
Kristen S Pan, Edmond J FitzGibbon, Janice S Lee, Michael T Collins, Alison M Boyce
No abstract text is available yet for this article.
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29791307/symptomatic-pneumocephalus-a-rare-complication-of-discal-herniation-s-surgery
#7
Ghassen Gader, Nadhir Karmeni, Imed Ben Saïd, Hafedh Jemel
Context We report the case of a 40-year-old woman with no pathological history, operated from an L4-L5 disc herniation by a left unilateral approach. The dura mater enveloping the left L5 root was accidentally injured at its lateral face causing a breach with CSF leakage. This breach could not be sutured. A few hours after waking, the patient presented an agitation followed by three generalized tonico-clonic seizures. Cerebral imaging revealed pneumocephalus. The patient was hospitalized in an intensive care unit...
May 23, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29790723/training-the-skull-base-surgeon-of-the-future-a-comprehensive-approach
#8
Mohammed Aref, A Samy Youssef
The tremendous advances in endoscopic skull base surgery added new a set of intricate less invasive approaches to the neurosurgical armamentarium. The new generations of neurosurgeons face the challenge of adopting the ever-changing technology and quickly learning modern surgical techniques beyond the traditional neurosurgery comfort zone. The future skull base surgeon must be well trained and knowledgeable in all surgical portals to the skull base in order to select the safest least invasive, most direct approach that offers the optimum exposure to handle a complex skull base pathology...
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
#9
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/29789216/the-clinical-presentation-and-collateral-pathway-development-of-congenital-absence-of-the-internal-carotid-artery
#10
Peng Zhang, Zheng Wang, Feng-Xia Yu, Han Lv, Xue-Huan Liu, Wei-Hua Feng, Jun Ma, Zheng-Han Yang, Zhen-Chang Wang
OBJECTIVE: The objective of this study was to investigate the clinical presentation, risks, and collateral pathway development of the congenital absence of the internal carotid artery (ICA). METHODS: Sixty-four patients (10 new patients and 54 patients from the relevant literature) were studied. Data on demographic, clinical, and radiologic features were collected, followed by an analysis of the risks associated with ICA agenesis. RESULTS: There were 31 male and 33 female patients whose ages ranged from 5 months to 75 years, with a mean age of 31...
May 19, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29788696/forehead-reconstruction-with-a-custom-made-threedimensional-titanium-implant-in-a-parry-romberg-syndrome-patient
#11
Jae Yoon Kim, Bok Ki Jung, Young Suk Kim, Tai Suk Roh, In Sik Yun
Parry-Romberg syndrome is a rare neurocutaneous syndrome characterized by progressive shrinkage and degeneration of the tissues usually on only one side of the face. It is usually difficult to restore the facial contour due to skin tightness. In this case report, we report a forehead reconstruction with custom-made three-dimensional (3D) titanium implant of a Parry-Romberg syndrome patient who was treated with multiple fat grafts but had limited effect. A 36-year-old man presented with hemifacial atrophy. The disease progressed from 5 to 16 years old...
May 24, 2018: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29788460/general-principles-for-pial-synangiosis-in-pediatric-moyamoya-patients-2-dimensional-operative-video
#12
David L Penn, Kyle C Wu, Kayla R Presswood, Coleman P Riordan, R Michael Scott, Edward R Smith
Pial synangiosis is a method of indirect surgical revascularization developed at our institution for the treatment of moyamoya disease in pediatric patients. Similar surgical principles are employed in adult cases, often performed because of lack of an adequate donor vessel. Standardized protocols, including preadmission for preoperative intravenous hydration and aspirin administration, as well as intraoperative electroencephalography, are routinely employed to minimize operative risk. Perioperative heparinization is not required...
May 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29788437/retromastoid-approach-for-posterior-fossa-skull-base-rosai-dorfman-disease-a-rare-pathology-3-dimensional-operative-video
#13
Anil Nanda, Amey R Savardekar, Devi Prasad Patra, Rimal Hanif Dossani, Maria-Magdalena Georgescu
Rosai-Dorfman disease, originally described by Juan Rosai and Ronald F. Dorfman, is a rare benign histiocytic proliferative disorder, classically presenting with massive lymphadenopathy and a self-limiting clinical course.1 Isolated intracranial skull base involvement is extremely rare and often resembles meningiomas, schwannomas, or other benign skull base lesions.2 The disease is difficult to diagnose radiographically, and tissue diagnosis with open skull base approaches has significant perioperative risks...
May 21, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29788370/large-traumatic-skull-base-internal-carotid-artery-pseudoaneurysm-managed-with-endovascular-flow-diversion-2-dimensional-operative-video
#14
Gary Rajah, Richard Justin Garling, Leonardo Rangel-Castilla
We present a case of a traumatic skull base internal carotid artery (ICA) pseudoaneurysm treated with endovascular flow diversion stenting. The patient was a 27-year-old male who was involved in a motorcycle accident suffering multiple traumatic injuries including a large skull base fracture that extended through the carotid canal. Computed tomography angiography revealed a 2-cm right ICA pseudoaneurysm. Once the patient was stable, a digital subtraction angiography demonstrated enlargement of the pseudoaneurysm...
May 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29788281/a-method-for-cranial-nerve-xi-silencing-during-surgery-of-the-foramen-magnum-region-technical-case-report
#15
Derek G Southwell, Jonathan D Breshears, William R Lyon, Michael W McDermott
BACKGROUND AND IMPORTANCE: Skull base surgery involves the microdissection and intraoperative monitoring of cranial nerves, including cranial nerve XI (CN XI). Manipulation of CN XI can evoke brisk trapezius contraction, which in turn may disturb the surgical procedure and risk patient safety. Here we describe a method for temporarily silencing CN XI via direct intraoperative application of 1% lidocaine. CLINICAL PRESENTATION: A 41-yr-old woman presented with symptoms of elevated intracranial pressure and obstructive hydrocephalus secondary to a hemangioblastoma of the right cerebellar tonsil...
May 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29787878/gamma-knife-radiosurgery-of-the-superior-laryngeal-neuralgia-a-report-of-three-cases
#16
Peng Fu, Nan-Xiang Xiong, Ahmed Abdelmaksoud, Yi-Zhi Huang, Guo-Bin Song, Hong-Yang Zhao
BACKGROUND: Superior laryngeal neuralgia (SLN) is a relatively rare disorder that is characterized by neck pain. There are only a few reported cases and treatment options for SLN to date. OBJECTIVE: In this study, we reported 3 patients with SLN who were treated with gamma knife radiosurgery (GKRS) at the time of diagnosis. METHODS: For all 3 patients, GKRS was administered using a 4-mm collimator to deliver a single shot of 80 Gy of radiation (the 100% isodose line)...
May 19, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29785412/horizontal-lateral-lamella-as-a-risk-factor-for-iatrogenic-cerebrospinal-fluid-leak-clinical-retrospective-evaluation-of-24-cases
#17
A Preti, F Mozzanica, R Gera, S Gallo, J Zocchi, F Bandi, G Guidugli, F Ambrogi, A Yakirevitch, A Schindler, A Dragonetti, P Castelnuovo, F Ottaviani
BACKGROUND: Several authors highlighted the limitations of the Keros classification system in predicting intracranial entry risk. Recently, our group proposed a new classification system based on the angle formed between the lateral lamella of the cribriform plate (LLCP) and the continuation of an horizontal plane passing through the cribriform plate (Gera classification). The aim of this study was to analyze whether the risk of iatrogenic cerebrospinal fluid leak (CSF-L) was better predicted by Keros or Gera classification...
May 22, 2018: Rhinology
https://www.readbyqxmd.com/read/29785343/perinatal-specimens-of-maiasaura-from-the-upper-cretaceous-of-montana-usa-insights-into-the-early-ontogeny-of-saurolophine-hadrosaurid-dinosaurs
#18
Albert Prieto-Marquez, Merrilee F Guenther
Perinatal specimens of hadrosaurids discovered in the late 1970's by field crews from Princeton University were significant in providing evidence of the early ontogenetic stages in North American dinosaurs. These specimens from the Campanian (Upper Cretaceous) Two Medicine Formation of Montana consist of over a dozen skeletons referable to the saurolophine hadrosaurid Maiasaura peeblesorum , but never fully figured or described. Here, we provide a more complete documentation of the morphology of these specimens, along with an examination of variation during a large span of the development of saurolophine hadrosaurids...
2018: PeerJ
https://www.readbyqxmd.com/read/29784284/routine-surveillance-imaging-following-mild-traumatic-brain-injury-with-intracranial-hemorrhage-may-not-be-necessary
#19
Smruti K Patel, Yair M Gozal, Bryan M Krueger, James C Bayley, Suzanne Moody, Norberto Andaluz, Richard A Falcone, Karin S Bierbrauer
BACKGROUND: Mild traumatic brain injury (mTBI) comprises the majority of pediatric traumatic brain injury. Children with mTBI even with traumatic intracranial hemorrhage (tICH) rarely experience a clinically significant neurologic decline (CSND). The utility of routine surveillance imaging in the pediatric population also remains controversial, especially owing to concerns about the risks of radiation exposure at a young age. This study aims to identify demographic or injury-related characteristics that may facilitate recognition of children at risk of progression with mTBI...
April 27, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29784247/evaluation-of-the-head-helmet-sliding-properties-in-an-impact-test
#20
Antonia Trotta, Aisling Ní Annaidh, Roy Owen Burek, Bart Pelgrims, Jan Ivens
The scalp plays a crucial role in head impact biomechanics, being the first tissue involved in the impact and providing a sliding interface between the impactor and/or helmet and the skull. It is important to understand both the scalp-skull and the scalp-helmet sliding in order to determine the head response due to an impact. However, experimental data on the sliding properties of the scalp is lacking. The aim of this work was to identify the sliding properties of the scalp using cadaver heads, in terms of scalp-skull and scalp-liner (internal liner of the helmet) friction and to compare these values with that of widely used artificial headforms (HIII and magnesium EN960)...
May 18, 2018: Journal of Biomechanics
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