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https://www.readbyqxmd.com/read/28211634/prediction-of-forearm-bone-shape-based-on-partial-least-squares-regression-from-partial-shape
#1
Keiichiro Oura, Yoshito Otake, Atsuo Shigi, Futoshi Yokota, Tsuyoshi Murase, Yoshinobu Sato
BACKGROUND: Computer-assisted corrective osteotomy using a mirror image of the normal contralateral shape as reference is increasingly used. Instead, we propose to use the shape predicted by statistical learning to deal with cases demonstrating bilateral abnormality, such as bilateral trauma, congenital disease, and metabolic disease. METHODS: Computed tomography (CT) scans of 100 normal forearms were used in this study. The whole bone shape was predicted from its partial shape based on statistical learning of the other 99 bones...
February 17, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28165638/anatomical-complications-of-epidural-anesthesia-a-comprehensive-review
#2
REVIEW
Prasanthi Maddali, Marc Moisi, Jeni Page, Parthasarathi Chamiraju, Christian Fisahn, Rod Oskouian, R Shane Tubbs
Epidural anesthesia is a versatile technique widely used in treating lumbar spinal pain syndromes. Complications during these procedures can arise either from needle placement or from administration of medication. Potential risks include infection, hematoma, intravascular or subdural injections of medication, direct nerve trauma, air embolism, entry into a disc space, urinary retention, radiation exposure, and hypersensitivity reactions. The objective of this article is to review the complications of lumbar epidural injections and discuss the potential pitfalls related to these procedures...
February 6, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28130170/identifying-children-at-very-low-risk-for-blunt-intra-abdominal-injury-in-whom-ct-of-the-abdomen-can-be-avoided-safely
#3
Christian J Streck, Adam M Vogel, Jingwen Zhang, Eunice Y Huang, Matthew T Santore, Kuojen Tsao, Richard A Falcone, Melvin S Dassinger, Robert T Russell, Martin L Blakely
BACKGROUND: Computed tomography is commonly used to rule out intra-abdominal injury (IAI) in children, despite associated cost and radiation exposure. Our purpose was to derive a prediction rule to identify children at very low risk for IAI after blunt abdominal trauma (BAT) for whom a CT scan of the abdomen would be unnecessary. STUDY DESIGN: We prospectively enrolled children younger than 16 years of age who presented after BAT at 14 Level I pediatric trauma centers during 1 year...
January 24, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28124724/number-of-positive-radiographic-findings-in-pediatric-trauma-patients
#4
Thomas Ruffing, Tim Danko, Thomas Henzler, Christel Weiss, Alexander Hofmann, Markus Muhm
PURPOSE: Conventional radiography is frequently performed in pediatric patients in whom fractures and dislocations are suspected. However, until now, the rate of positive findings of the most commonly performed radiographic examinations in pediatric patients is unknown. The aim of this study was to evaluate the number of positive findings in the 20 most frequently requested standard radiographic examinations in pediatric patients in a level 1 trauma center systematically. METHODS: A transversal cohort study was conducted at a level 1 trauma center in Germany (2008-2014)...
January 26, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28118112/development-of-a-novel-murine-model-of-combined-radiation-and-peripheral-tissue-trauma-injuries
#5
Vlado Antonic, Isabel L Jackson, Gurung Ganga, Terez Shea-Donohue, Zeljko Vujaskovic
Detonation of a 10-kiloton nuclear bomb in an urban setting would result in >1 million casualties, the majority of which would present with combined injuries. Combined injuries, such as peripheral tissue trauma and radiation exposure, trigger inflammatory events that lead to multiple organ dysfunction (MOD) and death, with gastrointestinal (GI) and pulmonary involvement playing crucial roles. The objective of this study was to develop an animal model of combined injuries, peripheral tissue trauma (TBX animal model) combined with total body irradiation with 5% bone marrow shielding (TBI/BM5) to investigate if peripheral tissue trauma contributes to reduced survival...
January 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28114008/3d-catheter-shape-determination-for-endovascular-navigation-using-a-two-step-particle-filter-and-ultrasound-scanning
#6
Fang Chen, Jia Liu, Hongen Liao
In endovascular catheter interventions, the determination of the three-dimensional (3D) catheter shape can increase navigation information and help reduce trauma. This study describes a shape determination method for a flexible interventional catheter using ultrasound scanning and a two-step particle filter without X-ray fluoroscopy. First, we propose a multi-feature, multi-template particle filter algorithm for accurate catheter tracking from ultrasound images. Second, we model the mechanical behavior of the catheter and apply a particle filter shape optimization algorithm to refine the results from the first step...
December 5, 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28099497/assessing-the-mental-health-impact-of-the-2011-great-japan-earthquake-tsunami-and-radiation-disaster-on-elementary-and-middle-school-children-in-the-fukushima-prefecture-of-japan
#7
Mark Lieber
BACKGROUND: On March 11, 2011, a magnitude 9.0 earthquake occurred off of Japan's Pacific coast, which was followed by huge tsunamis that destroyed many coastal cities in the area. Due to the earthquake and subsequent tsunami, malfunctions occurred at the Fukushima Daiichi (Fukushima I) nuclear power plant, resulting in the release of radioactive material in the region. While recent studies have investigated the effects of these events on the mental health of adults in the region, no studies have yet been performed investigating similar effects among children...
2017: PloS One
https://www.readbyqxmd.com/read/28099294/examination-of-pediatric-radiation-dose-delivered-after-cervical-spine-trauma
#8
Laura K Somppi, Kristin A Frenn, Anupam B Kharbanda
OBJECTIVES: Pediatric cervical spine injuries (CSIs) are rare but potentially fatal injuries. Plain radiographs (x-rays) and computed tomography (CT) are used to diagnose CSIs. Given concerns related to radiation exposure, the utility of x-rays in diagnosing CSIs compared with other forms of imaging must be examined. METHODS: Patients younger than 19 years presenting with possible CSI to an urban tertiary care hospital who received imaging for possible CSI between January 1, 2011, and December 31, 2013, were included...
January 17, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28066577/routine-total-body-ct-for-trauma-room-patients-life-saver-or-needless-radiation-exposure
#9
EDITORIAL
Sebastian Wutzler, Ingo Marzi
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28048491/su-f-sps-03-direct-measurement-of-organ-doses-resulting-from-head-and-cervical-spine-trauma-ct-protocols
#10
C Carranza, I Lipnharski, N Quails, N Correa, L Rill, M Arreola
PURPOSE: This retrospective study analyzes the exposure history of emergency department (ED) patients undergoing head and cervical spine trauma computed tomography (CT) studies. This study investigated dose levels received by trauma patients and addressed any potential concerns regarding radiation dose issues. METHODS: Under proper IRB approval, a cohort of 300 trauma cases of head and cervical spine trauma CT scans received in the ED was studied. The radiological image viewing software of the hospital was used to view patient images and image data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28007317/examining-the-role-of-follow-up-skeletal-surveys-in-non-accidental-trauma
#11
Rebecca D Powell-Doherty, Nora E Raynor, Donna A Goodenow, David G Jacobs, Anthony Stallion
BACKGROUND: Diagnosing NAT (non-accidental trauma) includes a skeletal survey to identify injuries. A follow-up survey is performed for missed injuries. This study examines the necessity of follow-up surveys. METHODS: The trauma database identified cases of suspected NAT in <4 years olds (2013-2014). Data were stratified by survey, age, injury, then analyzed for the prevalence of findings. All analyses (relative risk, prevalence and odds ratios) utilized RealStats Resource Pack (Trento, Italy)...
December 11, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27998635/predictors-of-intrathoracic-injury-after-blunt-torso-trauma-in-children-presenting-to-an-emergency-department-as-trauma-activations
#12
Caitlin McNamara, Irina Mironova, Erik Lehman, Robert P Olympia
BACKGROUND: Thoracic injuries are a major cause of death associated with blunt trauma in children. Screening for injury with chest x-ray study, compared with chest computed tomography (CT) scan, has been controversial, weighing the benefits of specificity with the detriment of radiation exposure. OBJECTIVE: To identify predictors of thoracic injury in children presenting as trauma activations to a Level I trauma center after blunt torso trauma, and to compare these predictors with those previously reported in the literature...
December 17, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27959665/retrospective-analysis-of-the-safety-and-cost-implications-of-pediatric-contrast-enhanced-ultrasound-at-a-single-center
#13
Gibran T Yusuf, Maria E Sellars, Annamaria Deganello, David O Cosgrove, Paul S Sidhu
OBJECTIVE: Because of concern over medical ionizing radiation exposure of children, contrast-enhanced ultrasound (CEUS) has generated interest as an inexpensive, ionizing radiation-free alternative to CT and MRI. CEUS has received approval for pediatric hepatic use but remains off-label for a range of other applications. The purposes of this study were to retrospectively analyze adverse incidents encountered in pediatric CEUS and to assess the financial benefits of reducing the number of CT and MRI examinations performed...
February 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27842904/yield-of-computed-tomography-of-the-cervical-spine-in-cases-of-simple-assault
#14
Matthew L Uriell, Jason W Allen, Brendan P Lovasik, Marc D Benayoun, Robert M Spandorfer, Chad A Holder
BACKGROUND: Computed tomography (CT) of the cervical spine (C-spine) is routinely ordered for low-impact, non-penetrating or "simple" assault at our institution and others. Common clinical decision tools for C-spine imaging in the setting of trauma include the National Emergency X-Radiography Utilization Study (NEXUS) and the Canadian Cervical Spine Rule for Radiography (CCR). While NEXUS and CCR have served to decrease the amount of unnecessary imaging of the C-spine, overutilization of CT is still of concern...
January 2017: Injury
https://www.readbyqxmd.com/read/27836784/-clinical-observation-a-safe-alternative-to-radiology-in-infants-with-mild-traumatic-brain-injury
#15
David Muñoz-Santanach, Victoria Trenchs Sainz de la Maza, Sara Maya Gallego, Adriana Cuaresma González, Carles Luaces Cubells
OBJECTIVE: The protocol for the management of mild cranioencephalic trauma in the emergency department was changed in July 2013. The principal innovation was the replacement of systematic X-ray in infants with clinical observation. The aims of this study were to determine whether there was, 1) a reduction in the ability to detect traumatic brain injury (TBI) in the initial visit to Emergency, and 2) a change in the number of requests for imaging tests and hospital admissions. METHODOLOGY: This was a retrospective, descriptive, observational study...
November 8, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27773351/introduction-of-a-pan-scan-protocol-for-blunt-trauma-activations-what-are-the-consequences
#16
Melissa K James, Sebastian D Schubl, Michael P Francois, Geoffrey K Doughlin, Shi-Wen Lee
STUDY OBJECTIVE: The aim of this study is to determine if the introduction of a pan-scan protocol during the initial assessment for blunt trauma activations would affect missed injuries, incidental findings, treatment times, radiation exposure, and cost. METHODS: A 6-month prospective study was performed on patients with blunt trauma at a level 1 trauma center. During the last 3 months of the study, a pan-scan protocol was introduced to the trauma assessment. Categorical data were analyzed by Fisher exact test and continuous data were analyzed by Mann-Whitney nonparametric test...
January 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27767331/medical-conditions-associated-with-the-use-of-ct-in-children-and-young-adults-great-britain-1995-2008
#17
Neige M Journy, Kieran McHugh, Richard W Harbron, Mark S Pearce, Amy Berrington De Gonzalez
OBJECTIVE: To describe the medical conditions associated with the use of CT in children or young adults with no previous cancer diagnosis. METHODS: Radiologist reports for scans performed in 1995-2008 in non-cancer patients less than 22 years of age were collected from the radiology information system in 44 hospitals of Great Britain. By semantic search, an automated procedure identified 185 medical conditions within the radiologist reports. Manual validation of a subsample by a paediatric radiologist showed a satisfactory performance of the automatic coding procedure...
December 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27759850/pediatric-minor-head-trauma-do-cranial-ct-scans-change-the-therapeutic-approach
#18
Felipe P Andrade, Roberto Montoro, Renan Oliveira, Gabriela Loures, Luana Flessak, Roberta Gross, Camille Donnabella, Andrea Puchnick, Lisa Suzuki, Rodrigo Regacini
OBJECTIVES: 1) To verify clinical signs correlated with appropriate cranial computed tomography scan indications and changes in the therapeutic approach in pediatric minor head trauma scenarios. 2) To estimate the radiation exposure of computed tomography scans with low dose protocols in the context of trauma and the additional associated risk. METHODS: Investigators reviewed the medical records of all children with minor head trauma, which was defined as a Glasgow coma scale ≥13 at the time of admission to the emergency room, who underwent computed tomography scans during the years of 2013 and 2014...
October 1, 2016: Clinics
https://www.readbyqxmd.com/read/27746487/minimal-invasive-transforaminal-lumbar-interbody-fusion-versus-open-transforaminal-lumbar-interbody-fusion
#19
Arvind G Kulkarni, Hussain Bohra, Abhilash Dhruv, Abhishek Sarraf, Anupreet Bassi, Vishwanath M Patil
BACKGROUND: The aim of the present prospective study is to evaluate whether the touted advantages of minimal invasive-transforaminal lumbar interbody fusion (MI-TLIF) translate into superior, equal, or inferior outcomes as compared to open-transforaminal lumbar interbody fusion (O-TLIF). This is the first study from the Indian subcontinent prospectively comparing the outcomes of MI-TLIF and O-TLIF. MATERIALS AND METHODS: All consecutive cases of open and MI-TLIF were prospectively followed up...
September 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27744559/performance-of-computed-tomography-of-the-head-to-evaluate-for-skull-fractures-in-infants-with-suspected-non-accidental-trauma
#20
Paige A Culotta, James E Crowe, Quynh-Anh Tran, Jeremy Y Jones, Amy R Mehollin-Ray, H Brandon Tran, Marcella Donaruma-Kwoh, Cristina T Dodge, Elizabeth A Camp, Andrea T Cruz
BACKGROUND: Young children with suspected abusive head trauma often receive skull radiographs to evaluate for fractures as well as computed tomography (CT) of the head to assess for intracranial injury. Using a CT as the primary modality to evaluate both fracture and intracranial injury could reduce exposure to radiation without sacrificing performance. OBJECTIVE: To evaluate the sensitivity of CT head with (3-D) reconstruction compared to skull radiographs to identify skull fractures in children with suspected abusive head trauma...
January 2017: Pediatric Radiology
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