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https://www.readbyqxmd.com/read/28081128/radiation-exposure-from-diagnostic-imaging-in-a-cohort-of-pediatric-transplant-recipients
#1
Alexandra Seal, Michael Hawkes, Ravi Bhargava, Michelle Noga, Jutta Preiksaitis, Curtis Mabilangan, Joan Robinson
Recipients of solid organ transplants (SOT) have extensive diagnostic imaging (DI). The purpose of this study was to quantify this exposure. Children from northern Alberta with SOTs at Stollery Children's Hospital, Edmonton, Alberta January 1, 2006, to July 31, 2012, were included. Effective doses of radiation were estimated using published norms for DI performed post-transplant up to October 16, 2014. The 54 eligible children had 6215 DI studies (5628 plain films, 293 computerized tomography (CT) scans, 149 positron emission topography (PET) -CT scans, 47 nuclear medicine scans and 98 cardiac catheterizations)...
2017: PloS One
https://www.readbyqxmd.com/read/28056436/one-stage-posterior-surgical-management-of-lumbosacral-spinal-tuberculosis-with-nonstructural-autograft
#2
Jia-Ming Liu, Yang Zhou, Ai-Fen Peng, Xuan-Yin Chen, Wen-Zhao Chen, Xin-Hua Long, Shan-Hu Huang, Zhi-Li Liu
OBJECTIVE: Lumbosacral spinal tuberculosis is rare in current population. Previous studies have reported effective outcomes about anterior, antero-posterior and posterior surgery for treating tuberculosis of lumbosacral region. However, the bone grafts used in these studies are mainly structural bone and mesh cage. The purpose of this study is to evaluate the efficacy and safety of nonstructural autograft in the surgical treatment of lumbosacral tuberculosis by one-stage posterior procedure...
December 28, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27957642/radiology-response-in-the-emergency-department-during-a-mass-casualty-incident-a-retrospective-study-of-the-two-terrorist-attacks-on-22-july-2011-in-norway
#3
Victoria Solveig Young, Heidi B Eggesbø, Christine Gaarder, Pål Aksel Næss, Tone Enden
OBJECTIVES: To describe the use of radiology in the emergency department (ED) in a trauma centre during a mass casualty incident, using a minimum acceptable care (MAC) strategy in which CT was restricted to potentially severe head injuries. METHODS: We retrospectively studied the initial use of imaging on patients triaged to the trauma centre following the twin terrorist attacks in Norway on 22 July 2011. RESULTS: Nine patients from the explosion and 15 from the shooting were included...
December 12, 2016: European Radiology
https://www.readbyqxmd.com/read/27956194/enhancement-of-8-methoxypsoralen-topical-delivery-via-nanosized-niosomal-vesicles-formulation-development-in-vitro-and-in-vivo-evaluation-of-skin-deposition
#4
Ahmed Alaa Kassem, Sameh Hosam Abd El-Alim, Marwa Hasanein Asfour
The aim of the present study is to enhance the skin penetration and deposition of 8-methoxypsoraln (8-MOP) via niosomal vesicles to increase its local efficacy and safety. 8-MOP niosomes were prepared by the thin film hydration method using Span 60 or Span 40 along with cholesterol at five different molar ratios. The obtained vesicles revealed high entrapment efficiencies (83.04-89.90%) with nanometric vesicle diameters (111.1-198.8nm) of monodisperse distribution (PDI=0.145-0.216), zeta potential values <-48...
December 9, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27920870/pyle-disease-metaphyseal-dysplasia-presenting-in-two-adult-sisters
#5
Diego Ximenes Soares, Amália Mapurunga Almeida, André Rodrigues Façanha Barreto, Ilze Jucá Alencar E Silva, José Daniel Vieira de Castro, Francisco José Magalhães Pinto, Daniel Aguiar Dias, Lindenberg Barbosa Aguiar
Pyle's disease is an extremely rare skeletal disorder characterized by a benign course and an autosomal recessive genetic pattern of inheritance. Its causal mutation is still unknown. In the medical literature, fewer than 30 cases have been described to date. We report the case of two female siblings, daughters of consanguineous parents, referred to the radiology department complaining of genu valgum. Laboratory tests showed no other relevant findings. Conventional radiography plain films revealed Erlenmeyer flask deformity in bilateral femorotibial metaphyses, metaphyseal flaring of long bones, and mild sclerosis of the skull base...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27913997/mega-cecum-an-unrecognized-cause-of-symptoms-in-some-female-patients-with-uro-gynecological-symptoms-and-severe-slow-transit-constipation
#6
William Y Chey, Vincent Chang, Cameron M Hoellrich, Kae Yol Lee, Maxine Lubkin, Deborah Corcoran, Ta-Min Chang, William D Chey
BACKGROUND: A subset of female patients with severe constipation report overlapping uro-gynecological symptoms which have been attributed to visceral hypersensitivity. AIMS: To study colon morphology and motor function in female patients with medically refractory chronic constipation with or without uro-gynecological symptoms and to assess clinical outcomes following laparoscopic ileo-proctostomy. METHODS: Colon anatomy and cecal emptying time were assessed with plain films and fluoroscopy following a standardized test meal mixed with barium...
December 2, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27884644/evaluating-augmentation-with-calcium-phosphate-cement-chronos-inject-for-bone-defects-after-internal-fixation-of-proximal-tibial-fractures-a-prospective-multi-center-observational-study
#7
Ki Chul Park, Chang-Wug Oh, Young-Hoon Jo
INTRODUCTION: Managing subchondral bone defects in proximal tibia fractures after plateau reduction is an important consideration.ChronOSInjectis a recently developed calcium phosphate bone substitute that shows relatively fast osteointegration. HYPOTHESIS: UsingchronOS Inject during internal fixation of proximal tibial fractures provides a satisfactory treatment option that is both clinically and radiologically safe. MATERIALS AND METHODS: Patients enrolled in this study were treated with ChronOS Injectbone void filler, during internal fixation of proximal tibial fractures...
November 21, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27865172/settling-regimen-transitions-quantify-solid-separation-limitations-through-correlation-with-floc-size-and-shape
#8
William A S K Mancell-Egala, Chunyang Su, Imre Takacs, John T Novak, David J Kinnear, Sudhir N Murthy, Haydee De Clippeleir
This study monitored three different activated sludge systems from the Blue Plains Advanced Wastewater Plant for a 1 year period to explore the relationship between effluent quality and activated sludge settling and flocculation behavior. Hindered settling rates (ISV) and sludge volume index (SVI) measurements were collected weekly. Novel metrics based on the solids concentration at which the transition between settling regimens occurred were also collected weekly. The transitional metrics were Threshold of Flocculation (TOF), and Limit of Stokesian Settling (LOSS)...
February 1, 2017: Water Research
https://www.readbyqxmd.com/read/27861534/vapor-phase-polymerized-poly-3-4-ethylenedioxythiophene-on-a-nickel-nanowire-array-film-aqueous-symmetrical-pseudocapacitors-with-superior-performance
#9
Qisen Xie, Yang Xu, Zhipeng Wang, Chao Xu, Peichao Zou, Ziyin Lin, Chenjie Xu, Cheng Yang, Feiyu Kang, Ching-Ping Wong
Three-dimensional (3D) nanometal scaffolds have gained considerable attention recently because of their promising application in high-performance supercapacitors compared with plain metal foils. Here, a highly oriented nickel (Ni) nanowire array (NNA) film was prepared via a simple magnetic-field-driven aqueous solution deposition process and then used as the electrode scaffold for the vapor-phase polymerization of 3,4-ethylenedioxythiophene (EDOT). Benefiting from the unique 3D open porous structure of the NNA that provided a highly conductive and oriented backbone for facile electron transfer and fast ion diffusion, the as-obtained poly(3,4-ethylenedioxythiophene) (PEDOT) exhibited an ultra-long cycle life (95...
2016: PloS One
https://www.readbyqxmd.com/read/27857636/posterior-lateral-and-anterior-hip-pain-due-to-musculoskeletal-origin-a-narrative-literature-review-of-history-physical-examination-and-diagnostic-imaging
#10
REVIEW
Patrick J Battaglia, Kevin D'Angelo, Norman W Kettner
OBJECTIVE: The purpose of this study was to present a narrative review of the literature of musculoskeletal causes of adult hip pain, with special attention to history, physical examination, and diagnostic imaging. METHODS: A narrative review of the English medical literature was performed by using the search terms "hip pain" AND "anterior," "lateral," and "posterior." Additionally, specific entities of hip pain or pain referral sources to the hip were searched for...
December 2016: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/27837415/evaluation-of-the-efficacy-of-sexual-intercourse-in-expulsion-of-distal-ureteric-stones
#11
Mohammad Sayed Abdel-Kader
OBJECTIVE: To evaluate the efficacy of sexual intercourse in expulsion of distal ureteric stones. PATIENTS AND METHODS: The study included 56 patients with distal ureteric or intramural stone. The stones size ranged from 5 to 10 mm and were detected by US, plain X-ray film, and non-enhanced CT. The patients were divided randomly into group A included 28 patients who were advised to do sexual intercourse 3-4 times/week with administration of symptomatic treatment, and group B included 28 patients receiving symptomatic treatment only (control group) and were instructed not to do sexual intercourse or masturbation during the study...
November 11, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27830346/acute-traumatic-intraosseous-fluid-sign-predisposes-to-dynamic-fracture-mobility
#12
Troy A Hutchins, Richard H Wiggins, Jill M Stein, Lubdha M Shah
The intraosseous fluid sign (IFS) in chronic osteoporotic vertebral fractures is attributed to fluid accumulation within non-healing intervertebral clefts. IFS can also be seen in acute traumatic fractures, not previously described. We hypothesize a pathophysiological mechanism for the acute traumatic intraosseous fluid sign (ATIFS) and its predisposition to dynamic fracture mobility with axial loading on upright radiographs. Retrospective analysis was performed of 41 acute thoracic and lumbar compression or stable burst fractures with both supine CT and upright plain films completed within 1 week of each other...
November 10, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27830103/a-case-of-stercoral-perforation-detected-on-ct-requiring-proctocolectomy-in-a-heroin-dependent-patient
#13
William H Seligman, Fahreyar Alam, Andy Planner, Roderick J Alexander
Stercoral perforation of the colon is rare but carries with it significant morbidity and mortality. Stercoral perforation usually occurs in elderly, immobile patients with chronic constipation. In this manuscript, we report the case of stercoral perforation in a patient due to chronic heroin dependence. We report the case of a 56-year-old male patient with stercoral perforation, diagnosed by computed tomography, secondary to heroin dependence, requiring proctocolectomy and an end ileostomy. There are very few reports in the literature describing cases of stercoral perforation and questions have been asked about the importance of preoperative cross-sectional imaging...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27825861/development-of-aqueous-ternary-nanomatrix-films-a-novel-green-strategy-for-the-delivery-of-poorly-soluble-drugs
#14
Adeola T Kola-Mustapha, David Armitage, Amos Olusegun Abioye
Aqueous polymeric films have potentially great values in drug development, particularly in controlled drug release and taste masking strategies. However the progressive polymer-particle coalescence that occurs randomly during film formation, curing and storage may render the film less permeable leading to erratic and unpredictable drug release profile. The focus of this study was to investigate the impacts of the in situ formation of polymer-drug nanoconjugate, at the interfacial nano-domains of two oppositely charged polymers, on the mechanism of film formation and to prepare aqueous ternary polymer-drug-polymer nanomatrix films as a novel green strategy for the delivery of ibuprofen, a model poorly soluble drug...
December 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27822895/reduction-in-cylindrical-grasp-strength-is-associated-with-early-thumb-carpometacarpal-osteoarthritis
#15
Monica J Coughlan, Alexandra Bourdillon, Joseph J Crisco, Deborah Kenney, Arnold-Peter Weiss, Amy L Ladd
BACKGROUND: Advanced thumb carpometacarpal (CMC) osteoarthritis (OA) can cause substantial impairment in hand function, from grasping heavy objects to fine manipulation of implements and tools. In the clinical setting, we commonly measure the grip strength of gross grasp with a hand dynamometer in patients with CMC OA. Cylindrical grasp, which requires more thumb contribution than gross grasp, is an alternative method of measuring grip strength and one that may provide insight into thumb-related conditions...
November 7, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27811635/systemic-allergic-response-in-the-setting-of-a-metallic-intraorbital-foreign-body-with-intraoperative-magnet-assisted-retrieval
#16
Scott C Cole, Kian Eftekhari, Richard L Anderson, Thomas J Oberg
A 12-year-old boy with a past medical history of nickel allergy was referred to our service after sustaining an air rifle injury with a retained BB in his left inferior orbit. On examination, he had a palpable orbital mass and systemic urticaria. Plain films demonstrated a spherical metallic foreign body adjacent to the left inferior orbital rim. Given his worsening systemic reaction despite oral antihistamine therapy, decision was made to remove the foreign body. In the operating room, the Allergan Magna Finder-a prepackaged, sterile device normally used for retrieval of a port used in tissue expansion surgery-was placed over the inferior conjunctiva of the lower eyelid...
November 2, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27800574/periprosthetic-occult-fractures-of-the-acetabulum-occur-frequently-during-primary-tha
#17
Kazuhiro Hasegawa, Tamon Kabata, Yoshitomo Kajino, Daisuke Inoue, Hiroyuki Tsuchiya
BACKGROUND: Periprosthetic fractures of the acetabulum occurring during primary THA are rare. Periprosthetic occult fractures are defined as those not identified by the surgeon during the procedure which might be missed on a routine postoperative radiograph. However, it is unclear how frequently these fractures occur and whether their presence affects functional recovery. QUESTIONS/PURPOSES: In this study, using routine CT scans that were obtained as part of another primary hip arthroplasty study protocol, we retrospectively assessed (1) the prevalence of occult fractures of the acetabulum occurring during primary THA, (2) the location of occult fractures of the acetabulum during THA, and (3) risk factors contributing to such occult fractures...
October 31, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27795654/entrapped-foreign-body-a-diagnostic-muddle-for-the-radiologist
#18
Ajmal Mohamed, Beena Varma, Nidhin J Valappila, S Aravind Meena
Exact localization of foreign body is important for planning the treatment required for its retrieval without much tissue damage. Plain film radiography is the initial screening modality used for the detection of suspected foreign body. However, about one-third of all the foreign bodies are missed in the initial radiographic examination. In case of a wooden foreign body, only 15% are well-visualized on plain radiographs and are, therefore, often missed or misdiagnosed. Hence, the different radiographic technique should be used to localize the object instead of relying on a single radiographic image...
September 2016: Indian Journal of Dentistry
https://www.readbyqxmd.com/read/27771042/the-sensitivity-of-ct-scans-in-diagnosing-occult-femoral-neck-fractures
#19
Z Sadozai, R Davies, J Warner
Non-displaced hip fractures can be difficult to diagnose on plain film radiographs. When there is ongoing clinical suspicion of an occult fracture, further imaging is obtained. We investigated the sensitivity of computed tomography (CT) scans in detecting these fractures and the delays to surgery that three-dimensional imaging causes. We identified 78 CT scans performed for possible hip fractures over the past 3 years with the presence and absence of a fracture recorded. Based on subsequent imaging, the accuracy of CT scans was determined...
December 2016: Injury
https://www.readbyqxmd.com/read/27761882/lesions-involving-the-outer-surface-of-the-bone-in-children-a-pictorial-review
#20
REVIEW
Apeksha Chaturvedi, R A C Dilhani Ranasinghe, Abhishek Chaturvedi, Steven P Meyers
BACKGROUND: Lesions involving the outer cortical surface of the bone occur quite often among children. Broadly, these include benign cortical, juxtacortical and periarticular lesions, dysplasias affecting the cortical bone, regional and diffuse periosteal pathology and malignant tumours. Some of these lesions are unique to the paediatric population; others are more frequently seen among children than adults - yet others have an adult predilection but can occasionally be seen in children...
December 2016: Insights Into Imaging
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