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Radiation safety

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https://www.readbyqxmd.com/read/28529524/antithyroid-drug-therapy-for-graves-disease-and-implications-for-recurrence
#1
REVIEW
Jia Liu, Jing Fu, Yuan Xu, Guang Wang
Graves' disease (GD) is the most common cause of hyperthyroidism worldwide. Current therapeutic options for GD include antithyroid drugs (ATD), radioactive iodine, and thyroidectomy. ATD treatment is generally well accepted by patients and clinicians due to some advantages including normalizing thyroid function in a short time, hardly causing hypothyroidism, and ameliorating immune disorder while avoiding radiation exposure and invasive procedures. However, the relatively high recurrence rate is a major concern for ATD treatment, which is associated with multiple influencing factors like clinical characteristics, treatment strategies, and genetic and environmental factors...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28528368/preparation-of-allogeneic-bone-for-alveolar-ridge-augmentation
#2
Kornel Krasny, Artur Kamiński, Marta Krasny, Tomasz Czech, Andrzej Wojtowicz
Implant treatment is safe and predictable with sufficient amount and quality of bone tissue. In case of severely reduced bone tissue after a tooth was lost, augmentation of such tissue is necessary before implant embedment. Retrospective evaluation covered 380 alveolar ridge reconstructions. The study material consisted of human grafts prepared by the Department of Transplantology and Central Tissue Bank, Medical University of Warsaw. Presentation of laboratory procedures in the context of physical parameters of frozen, radiation sterilised, allogeneic corticocancellous material was presented...
May 20, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28527967/feasibility-and-safety-of-the-transbronchial-access-tool-for-peripheral-pulmonary-nodule-and-mass
#3
Mark R Bowling, Craig Brown, Carlos J Anciano
BACKGROUND: Navigational bronchoscopy and other imaging modalities have improved the ability to evaluate pulmonary nodules/mass. Many of these lesions are located outside the bronchial airway and are difficult to access even with these devices. The Transbronchial Access Tool (Medtronic, Minneapolis, MN) allows the bronchoscopist to create a pathway from the bronchial airway, across the lung parenchyma, and into the target lesion. We are reporting the feasibility and safety of this new device...
May 17, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28523649/highly-sensitive-detection-of-ionizing-radiations-by-a-photoluminescent-uranyl-organic-framework
#4
Jian Xie, Yaxing Wang, Wei Liu, Xuemiao Yin, Lanhua Chen, Youming Zou, Juan Diwu, Zhifang Chai, Thomas E Albrecht-Schmitt, Guokui Liu, Shuao Wang
Precise detection of low-dose X- and γ-radiations remains a challenge and is particularly important for studying biological effects under low-dose ionizing radiation, safety control in medical radiation treatment, survey of environmental radiation background, and monitoring cosmic radiations. We report here a photoluminescent uranium organic framework, whose photoluminescence intensity can be accurately correlated with the exposure dose of X- or γ-radiations. This allows for precise and instant detection of ionizing radiations down to the level of 10(-4)  Gy, representing a significant improvement on the detection limit of approximately two orders of magnitude, compared to other chemical dosimeters reported up to now...
May 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28523354/investigation-of-reference-levels-and-radiation-dose-associated-with-abdominal-evar-endovascular-aneurysm-repair-procedures-across-several-european-centres
#5
E Tuthill, L O'Hora, M O'Donohoe, S Panci, P Gilligan, D Campion, R Trenti, E Fox, D Catania, L Rainford
OBJECTIVES: Endovascular aneurysm repair (EVAR) is considered the treatment of choice for abdominal aortic aneurysms with suitable anatomy. In order to improve radiation safety, European Directive (2013/59) requires member states to implement diagnostic reference levels (DRLs) in radio-diagnostic and interventional procedures. This study aimed to determine local DRLs for EVAR across five European centres and identify an interim European DRL, which currently remains unestablished. METHODS: Retrospective data was collected for 180 standard EVARs performed between January 2014 and July 2015 from five specialist centres in Ireland (n=2) and Italy (n=3)...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28522381/a-survival-analysis-with-identification-of-prognostic-factors-in-a-series-of-110-patients-with-newly-diagnosed-glioblastoma-pre-and-post-introduction-of-the-stupp-regimen-a-single-center-observational-study
#6
Rosanda Illic, Teresa Somma, Dragan Savic, Federico Frio, Mihailo Milicevic, Domenico Solari, Marina Nikitovic, Slobodan Lavrnic, Savo Raicevic, Snezana Milosevic, Luigi Maria Cavallo, Paolo Cappabianca, Danica Grujicic
BACKGROUND: Current treatment protocol in GBM is based on maximal safe resection followed by Stupp protocol. Survival outcomes in cancer can vary in different population groups and outcomes can be conditioned by several factors. In Serbia Temozolomide has been introduced as adjuvant therapy only in 2011. The aims of this study are to confirm the efficacy and safety of Stupp protocol on both OS and PFS and evaluate the influence of the prognostic factors in one of the largest series of patients with GBM, treated over a 2-year period...
May 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28516399/hangeshashinto-tj-14-prevents-radiation-induced-mucositis-by-suppressing-cyclooxygenase-2-expression-and-chemotaxis-of-inflammatory-cells
#7
D Kamide, T Yamashita, K Araki, M Tomifuji, A Shiotani
PURPOSE: Radiation-induced oral mucositis is the most common side effect of radiotherapy in head and neck cancer; however, effective modalities for its prevention have not been established. In this study, we evaluated the effectiveness of Hangeshashinto (TJ-14), a Japanese herbal medicine, for preventing radiation-induced mucositis and elucidated its effect on inflammatory responses, including inflammatory cell chemotaxis and cyclooxygenase-2 (COX2) expression, in an animal model. METHODS: Syrian hamsters, 8-9 weeks old, were enrolled in this study...
May 17, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28516353/physical-hazard-safety-awareness-among-healthcare-workers-in-tanta-university-hospitals-egypt
#8
Rania M El-Sallamy, Ibrahim Ali Kabbash, Sanaa Abd El-Fatah, Asmaa El-Feky
Hospital workers are exposed to many occupational hazards that may threaten their health and safety. Physical hazards encountered in hospital working environment include temperature, illumination, noise, electrical injuries, and radiation. To assess the awareness of healthcare workers (HCWs) about physical hazards in Tanta university hospitals, this cross-sectional study included 401 HCWs (physicians, nurses, technicians, and workers) from seven departments (general surgery, orthopedics, radiology, ophthalmology, kitchen, incinerator, and laundry)...
May 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28515926/cisplatin-based-chemoradiotherapy-with-5-fluorouracil-or-pemetrexed-in-patients-with-locally-advanced-unresectable-esophageal-squamous-cell-carcinoma-a-retrospective-analysis
#9
Zengyun Li, Peiliang Zhang, Qingtong Ma, Dongqing Wang, Tao Zhou
Treatment with 5-fluorouracil (5-FU) and cisplatin (PF regimen) remains the most frequently used chemotherapy for esophageal squamous cell carcinoma (SCC). The aim of the present study was to assess the efficacy and safety of pemetrexed/cisplatin (PP regimen) as definitive treatment compared with PF. A total of 60 patients with locally advanced, unresectable SCC of the esophagus receiving concomitant chemoradiotherapy were recruited in this study; of those patients, 29 received four cycles (two concomitant and two post-radiotherapy) of the PF regimen (arm A, cisplatin 25 mg/m(2)/day i...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28514670/radiation-safety-in-children-with-congenital-and-acquired-heart-disease-a-scientific-position-statement-on-multimodality-dose-optimization-from-the-image-gently-alliance
#10
REVIEW
Kevin D Hill, Donald P Frush, B Kelly Han, Brian G Abbott, Aimee K Armstrong, Robert A DeKemp, Andrew C Glatz, S Bruce Greenberg, Alexander Sheldon Herbert, Henri Justino, Douglas Mah, Mahadevappa Mahesh, Cynthia K Rigsby, Timothy C Slesnick, Keith J Strauss, Sigal Trattner, Mohan N Viswanathan, Andrew J Einstein
There is a need for consensus recommendations for ionizing radiation dose optimization during multi-modality medical imaging in children with congenital and acquired heart disease (CAHD). These children often have complex diseases and may be exposed to a relatively high cumulative burden of ionizing radiation from medical imaging procedures including cardiac computed tomography, nuclear cardiology studies and fluoroscopically guided diagnostic and interventional catheterization and electrophysiology procedures...
May 17, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28513819/sun-exposure-sun-protection-and-sunburn-among-canadian-adults
#11
Lauren Pinault, Vitali Fioletov
BACKGROUND: Ultraviolet radiation (UVR) exposure and a history of sunburn are important risk factors for skin cancer. Sunburn is more common among men, younger age groups, and people in higher income households. Sun protection measures also vary by sex, age, and socioeconomic characteristics. Associations between ambient UVR and sunburn and sun safety measures have not been quantified. DATA AND METHODS: A total of 53,130 respondents aged 18 or older answered a Canadian Community Health Survey (CCHS) module on sun safety, which was administered in six provinces from 2005 to 2014...
May 17, 2017: Health Reports
https://www.readbyqxmd.com/read/28512732/decision-making-in-the-surgical-management-of-invasive-breast-cancer-part-1-lumpectomy-mastectomy-and-contralateral-prophylactic-mastectomy
#12
REVIEW
Lisa A Newman
Several prospective randomized clinical trials conducted internationally have proven the safety and survival equivalence of breast-conserving surgery compared with mastectomy. Adjuvant radiation is routinely recommended following lumpectomy surgery to minimize the risk of local recurrence. Comprehensive breast imaging (including bilateral mammography with diagnostic views and ultrasound evaluation), in addition to clinical examination, is essential to rule out potential contralateral pathology and to optimally characterize the extent of disease...
May 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28507844/an-innovative-risk-reducing-approach-to-postmastectomy-radiation-delivery-after-autologous-breast-reconstruction
#13
Merisa L Piper, Maristella Evangelista, Dominic Amara, David Daar, Robert D Foster, Barbara Fowble, Hani Sbitany
INTRODUCTION: Postmastectomy radiation therapy (PMRT) has known deleterious side effects in immediate autologous breast reconstruction. However, plastic surgeons are rarely involved in PMRT planning. Our institution has adopted a custom bolus approach for all patients receiving PMRT. This offers uniform distribution of standard radiation doses, thereby minimizing radiation-induced changes while maintaining oncologic safety. We present our 8-year experience with the custom bolus approach for PMRT delivery in immediate autologous breast reconstruction...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28504359/changing-the-paradigm-for-diagnostic-mri-in-pediatrics-don-t-hold-your-breath
#14
Melissa M Masaracchia, Michael J Tsapakos, Nancy J McNulty, Michael L Beach
Increasingly complex pediatric patients and improvements in technology warrant reevaluation of the risk associated with anesthesia for diagnostic imaging. Although magnetic resonance imaging is the imaging modality of choice for children given the potentially harmful effects of computerized tomography-associated ionizing radiation, we dare to suggest that certain patients would benefit from the liberalization of our current standard. Incorporating the use of newer computerized tomography technology may improve safety for those that are already at higher risk for adverse events...
May 15, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28503363/focused-ultrasound-for-essential-tremor-review-of-the-evidence-and-discussion-of-current-hurdles
#15
REVIEW
Mohammad Rohani, Alfonso Fasano
BACKGROUND: While there is no breakthrough progress in the medical treatment of essential tremor (ET), in the past decades several remarkable achievements happened in the surgical field, such as radiofrequency thalamotomy, thalamic deep brain stimulation, and gamma knife thalamotomy. The most recent advance in this area is magnetic resonance-guided focused ultrasound (MRgFUS). METHODS: The purpose of this review is to discuss the new developments and trials of MRgFUS in the treatment of ET and other tremor disorders...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28500744/risk-of-cataract-among-interventional-cardiologists-and-catheterization-lab-staff-a-systematic-review-and-meta-analysis
#16
Ahmed Elmaraezy, Mostafa Ebraheem Morra, Abdelrhman Tarek Mohammed, Ahmed Al-Habaa, Ahmed Elgebaly, Ahmed Abdelmotaleb Ghazy, Adham M Khalil, Nguyen Tien Huy, Kenji Hirayama
OBJECTIVES: We performed a systematic review and meta-analysis to assess the risk of developing a radiation-induced cataract in interventional cardiologists (ICs). BACKGROUND: ICs are forced to radiation exposure during cardiac catheterization procedures. Since the eye lens is one of the most radiosensitive organs in the body, ICs are highly susceptible to develop a radiation-induced cataract. METHOD: We performed a systematic literature search of nine electronic databases to retrieve studies that report cataract among interventional cardiologists...
May 13, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28500459/personalized-feedback-on-staff-dose-in-fluoroscopy-guided-interventions-a-new-era-in-radiation-dose-monitoring
#17
Anna M Sailer, Laura Vergoossen, Leonie Paulis, Willem H van Zwam, Marco Das, Joachim E Wildberger, Cécile R L P N Jeukens
PURPOSE: Radiation safety and protection are a key component of fluoroscopy-guided interventions. We hypothesize that providing weekly personal dose feedback will increase radiation awareness and ultimately will lead to optimized behavior. Therefore, we designed and implemented a personalized feedback of procedure and personal doses for medical staff involved in fluoroscopy-guided interventions. MATERIALS AND METHODS: Medical staff (physicians and technicians, n = 27) involved in fluoroscopy-guided interventions were equipped with electronic personal dose meters (PDMs)...
May 12, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28500092/patient-centered-radiation-safety
#18
Benjamin W Roberts
Some suggest radiation safety is evolving from a provider-centered process to a more patient-centered approach. This shift places additional responsibility on radiologic technologists to educate patients about the possible risks and benefits of medical radiation exposure so patients can be equal partners in their care. This article discusses the ethics of radiation protection and the development of the patient-centered approach, and the radiologic technologist's role in ensuring patient-centered radiation safety is addressed...
May 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28500090/effect-of-facility-iac-accreditation-on-ct-dose-awareness-and-reduction
#19
Mary Beth Farrell, Mary Lally, Nancy Merrill, Robert Pizzutiello, Gavin Setzen, John Y Choi
PURPOSE: To assess characteristics of computed tomography (CT) facilities accredited by the Intersocietal Accreditation Commission (IAC) and evaluate the perceived effect of accreditation on CT radiation dose awareness and reduction. METHODS: IAC-accredited CT facilities were sent a survey in April 2016, which included 20 questions categorized into 5 groups: equipment and facility (7), patient safety/practice (5), protocols (2), dose reduction practice (3), and quality improvement (3)...
May 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28499660/stereotactic-radiation-therapy-of-brain-metastases-from-colorectal-cancer-a-single-institution-cohort
#20
A Paix, D Antoni, R Adeduntan, G Noël
PURPOSE: The brain remains an uncommon site of colorectal cancer metastases. Due to the improvement of overall colorectal cancer patient survival, the incidence of brain metastases will likely rise. We report the efficacy and safety of hypofractionnated stereotactic radiation therapy and stereotactic radiosurgery, and its role in colorectal cancer brain metastasis management. METHODS AND MATERIAL: Between June 2010 and December 2014, fifteen consecutive patients received hypofractionnated stereotactic radiation therapy or stereotactic radiosurgery as first local therapy or following surgical removal for colorectal cancer brain metastases...
May 9, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
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