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radiation enteritis

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https://www.readbyqxmd.com/read/28427169/therapeutic-role-of-glutamine-in-management-of-radiation-enteritis-a-meta-analysis-of-13-randomized-controlled-trials
#1
REVIEW
De-Dong Cao, Hui-Lin Xu, Min Xu, Xiang-Yun Qian, Zhu-Cheng Yin, Wei Ge
OBJECTIVE: To systematically evaluate the clinical efficacy of glutamine in treating radiation enteritis in cancer patients treated with radiotherapy. METHODS: Electronic databases including Pubmed, Embase, the Cochrane library, and CNKI were systematically searched, until April 2016. Randomized controlled trials (RCT) of glutamine in the treatment of radiation enteritis in cancer patients were searched, and RevMan 5.3 software was used for Meta-analysis. RESULTS: A total of 13 RCTs were included, involving 979 patients...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417061/rates-of-morphological-evolution-in-captorhinidae-an-adaptive-radiation-of-permian-herbivores
#2
Neil Brocklehurst
The evolution of herbivory in early tetrapods was crucial in the establishment of terrestrial ecosystems, although it is so far unclear what effect this innovation had on the macro-evolutionary patterns observed within this clade. The clades that entered this under-filled region of ecospace might be expected to have experienced an "adaptive radiation": an increase in rates of morphological evolution and speciation driven by the evolution of a key innovation. However such inferences are often circumstantial, being based on the coincidence of a rate shift with the origin of an evolutionary novelty...
2017: PeerJ
https://www.readbyqxmd.com/read/28416838/-clinical-research-on-robot-assisted-percutaneous-pelvic-and-acetabular-screws-surgery
#3
C P Zhao, J Q Wang, Y G Su, W Han, L Zhou, M Y Wang
OBJECTIVE: To evaluate the security and efficiency of a surgical robotic assisted percutaneous screw fixation for the treatment of pelvic and acetabular fractures. METHODS: In the study, 12 patients with pelvic and acetabular fractures who were treated in Beijing Jishuitan Hospital from January to April in 2016 were involved in this research. The research subjects were randomly divided into two groups: the experimental group and the control group. Robotic-assisted percutaneous sacroiliac screw internal fixations were performed under the guidance of fluoroscopy navigation in the experimental group; in the control group, doctors operated manually guided by fluoroscopy...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28415717/the-imidazoacridinone-c-1311-induces-p53-dependent-senescence-or-p53-independent-apoptosis-and-sensitizes-cancer-cells-to-radiation
#4
Anna Skwarska, Shaliny Ramachandran, Grzegorz Dobrynin, Katarzyna B Leszczynska, Ester M Hammond
C-1311 is a small molecule, which has shown promise in a number of pre-clinical and clinical studies. However, the biological response to C-1311 exposure is complicated and has been reported to involve a number of cell fates. Here, we investigated the molecular signaling which determines the response to C-1311 in both cancer and non-cancer cell lines. For the first time we demonstrate that the tumor suppressor, p53 plays a key role in cell fate determination after C-1311 treatment. In the presence of wild-type p53, cells exposed to C-1311 entered senescence...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28387434/incidence-of-secondary-glaucoma-after-treatment-of-uveal-melanoma-with-robotic-radiosurgery-versus-brachytherapy
#5
Jakob Siedlecki, Veronika Reiterer, Simon Leicht, Paul Foerster, Karsten Kortüm, Ulrich Schaller, Siegfried Priglinger, Christoph Fuerweger, Alexander Muacevic, Kirsten Eibl-Lindner
PURPOSE: Different modalities of radiation therapy nowadays allow for effective treatment of uveal melanoma combined with the advantage of eye preservation. However, this advantage can secondarily be impaired by radiation-related side effects. After local recurrence, secondary glaucoma (SG) has been described as second most frequent complication leading to need of enucleation. This study compares the incidence of SG after conventional Ruthenium (Ru)-106 brachytherapy (BT) versus CyberKnife robotic radiosurgery (RRS) which has been gaining importance lately as an efficient treatment option offering improved patient comfort...
April 7, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28381782/a-case-of-ileus-due-to-radiation-enteritis-19-years-after-radiotherapy
#6
Tomoyo Okumoto, Toshio Kuwai, Toshiki Yamaguchi, Sumio Iio, Hiroki Imagawa, Atsushi Yamaguchi, Hirotaka Kouno, Hiroshi Kohno
A 73-year-old female visited our hospital complaining of nausea and epigastric pain because of ileus. She had a history of two laparotomy procedures in her youth, interferon treatment for chronic hepatitis C, and radiation therapy for uterine cervical cancer 19 years ago. Transanal double-balloon enteroscopy demonstrated annular stenosis with ulceration of the anal side of the dilated small intestine. Therefore, surgical resection was performed, and late radiation enteritis was diagnosed on histopathological examination...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28358595/treatment-of-enterocutaneous-fistulas-then-and-now
#7
Luis Alfonso Ortiz, Bin Zhang, Maureen Walsh McCarthy, Haytham M A Kaafarani, Peter Fagenholz, David R King, Marc De Moya, George Velmahos, Daniel Dante Yeh
BACKGROUND: An enterocutaneous fistula (ECF) is an aberrant connection between the gastrointestinal tract and the skin or atmosphere (enteroatmospheric fistula [EAF]). Multimodal treatment includes surgical procedures, nutrition support, and wound care. We evaluated our practice and compared our outcomes with previous results published from our institution. MATERIALS AND METHODS: We performed a retrospective analysis of hospitalized ECF/EAF patients admitted between January 2011 and November 2015...
March 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28341529/radiation-enteritis-diagnosed-through-capsule-endoscopy-an-uncommon-cause-of-iron-deficiency-anemia
#8
J F Juanmartiñena Fernández, A Elosua-González, L Casanova-Ortiz, S Pardo-González, B Zabalza Ollo, I Fernández-Urién
No abstract text is available yet for this article.
March 21, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28338899/work-practices-and-radiation-exposure-among-male-radiologic-technologists-assisting-fluoroscopically-guided-interventional-procedures
#9
Jae Won Yun, Eun Shil Cha, Seulki Ko, Won Jin Lee
This study investigated occupational characteristics and radiation exposure among radiologic technologists assisting fluoroscopically guided interventional (FGI) procedures. A nationwide survey of radiologic technologists in South Korea was conducted. Among 8058 male respondents, 664 (8.2%) assisted FGI procedures. The survey data were linked with dosimetry data from the National Dose Registry. Most radiologic technologists assisting FGI procedures were 30-40 years old and employed by general hospitals. These technologists worked in closer proximity to patients during procedures, less frequently used shield screens, more commonly utilized protective devices, and less commonly wore badge dosemeters than the ones not assisting FGI procedures...
March 3, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28336780/biodistribution-and-radiation-dosimetry-for-the-tau-tracer-18-f-thk-5351-in-healthy-human-subjects
#10
Ing-Tsung Hsiao, Kun-Ju Lin, Kuo-Lun Huang, Chin-Chang Huang, Han-Shiuan Chen, Shiaw-Pyng Wey, Tzu-Chen Yen, Nobuyuki Okamura, Jung-Lung Hsu
(18)F-THK-5351 is a novel radiotracer that demonstrates high binding selectivity and affinity for tau pathology and exhibits better pharmacokinetics in the living brain than previous THK tau probes. The aim of the present study was to estimate the radiation dose of (18)F-THK-5351 in humans and to compare the clinical radiation dosimetry results to estimations published previously with preclinical data. Methods: Serial whole-body positron emission tomography/computed tomography (PET/CT) imaging was performed for 240 min on 12 healthy volunteers after injecting (18)F-THK-5351 (mean administered activity: 377...
March 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28300380/dosimetric-characteristics-of-linatech-dmlc-h-multi-leaf-collimator-monte-carlo-simulation-and-experimental-study
#11
Mikaeil Molazadeh, Ahad Zeinali, Mostafa Robatjazi, Alireza Shirazi, Ghazale Geraily
This study evaluated the basic dosimetric characteristics of a Dynamic Multi Leaf Collimator (DMLC) using a diode detector and film measurements for Intensity Modulated Radiation Therapy Quality Assurance (IMRT QA). The EGSnrc Monte Carlo (MC) simulation system was used for the determination of MLC characteristics. Radiation transmission and abutting leaf leakage relevant to the LinaTech DMLC H were measured using an EDGE detector and EBT3 film. In this study, the BEAMnrc simulation code was used for modeling...
March 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295846/the-enigmatic-oncogene-and-tumor-suppressor-like-properties-of-rad54b-insights-into-genome-instability-and-cancer
#12
REVIEW
Erin N McAndrew, Kirk J McManus
One of the major challenges to the cell is to ensure genome stability, which can be compromised through endogenous errors or exogenous DNA damaging agents, such as ionizing radiation or common chemotherapeutic agents. To maintain genome stability the cell has a multifaceted line of defense, including cell cycle checkpoints and DNA damage repair pathways. RAD54B is involved in many of these pathways and thus exhibits a role in maintaining and repairing genome stability following DNA damage. RAD54B is involved in cell cycle regulation after DNA damage and participates in homologous recombinational repair, which ensures the precise repair of the most deleterious DNA lesions, double-stranded breaks...
March 13, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28285537/milestone-clinical-trials-of-the-national-surgical-adjuvant-breast-and-bowel-project-nsabp
#13
REVIEW
Priya Rastogi, D Lawrence Wickerham, Charles E Geyer, Eleftherios P Mamounas, Thomas B Julian, Norman Wolmark
The National Surgical Adjuvant Breast and Bowel Project (NSABP) has made significant contributions in reducing the extent of breast surgery and in improving outcomes of patients with early-stage breast cancer through the conduct of large randomized clinical trials evaluating local and systemic therapy. In 2014, the NSABP merged with two other US National Cancer Institute-funded cooperative groups, the Radiation Therapy Oncology Group (RTOG) and the Gynecologic Oncology Group (GOG), to form NRG Oncology. The combined organization has 218 member institutions with more than 600 affiliate centers located throughout the United States, Canada, Puerto Rico, and other international sites...
February 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28284760/a-peer-review-process-as-part-of-the-implementation-of-clinical-pathways-in-radiation-oncology-does-it-improve-compliance
#14
Brian J Gebhardt, Dwight E Heron, Sushil Beriwal
PURPOSE: Clinical pathways are patient management plans that standardize evidence-based practices to ensure high-quality and cost-effective medical care. Implementation of a pathway is a collaborative process in our network, requiring the active involvement of physicians. This approach promotes acceptance of pathway recommendations, although a peer review process is necessary to ensure compliance and to capture and approve off-pathway selections. We investigated the peer review process and factors associated with time to completion of peer review...
January 19, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28279472/nutritional-support-in-esophagogastric-cancers
#15
REVIEW
Elliott Birnstein, Mark Schattner
Esophageal and gastric cancers are common malignancies, both in the United States and worldwide, that carry significant morbidity and mortality. Malnutrition is a common complication in patients with esophageal and gastric cancers and it portends a poor prognosis. For patients who undergo surgical therapy for these types of cancers, preoperative and postoperative nutritional optimization have been shown to improve outcomes. The support can be accomplished in different manners, including orally, enterally, or parentally...
April 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28213304/photocatalytic-effects-of-titanium-dioxide-nanoparticles-on-aquatic-organisms-current-knowledge-and-suggestions-for-future-research
#16
REVIEW
Vena N Haynes, J Evan Ward, Brandon J Russell, Alexander G Agrios
Nanoparticles are entering natural systems through product usage, industrial waste and post-consumer material degradation. As the production of nanoparticles is expected to increase in the next decade, so too are predicted environmental loads. Engineered metal-oxide nanomaterials, such as titanium dioxide, are known for their photocatalytic capabilities. When these nanoparticles are exposed to ultraviolet radiation in the environment, however, they can produce radicals that are harmful to aquatic organisms...
April 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28168936/dosimetric-comparison-of-real-time-mri-guided-tri-cobalt-60-versus-linear-accelerator-based-stereotactic-body-radiation-therapy-lung-cancer-plans
#17
Andrzej P Wojcieszynski, Patrick M Hill, Stephen A Rosenberg, Craig R Hullett, Zacariah E Labby, Bhudatt Paliwal, Mark W Geurts, R Adam Bayliss, John E Bayouth, Paul M Harari, Michael F Bassetti, Andrew M Baschnagel
PURPOSE: Magnetic resonance imaging-guided radiation therapy has entered clinical practice at several major treatment centers. Treatment of early-stage non-small cell lung cancer with stereotactic body radiation therapy is one potential application of this modality, as some form of respiratory motion management is important to address. We hypothesize that magnetic resonance imaging-guided tri-cobalt-60 radiation therapy can be used to generate clinically acceptable stereotactic body radiation therapy treatment plans...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28161894/mediator-of-dna-damage-checkpoint-protein-1-mdc1-as-a-prognostic-marker-for-patients-with-oral-squamous-cell-carcinoma
#18
Jigna Harshadbhai Dave, Hemangini Hasit Vora, Nandita Radhabinod Ghosh, Trupti Indravadan Trivedi
BACKGROUND: The mediator of DNA damage checkpoint protein 1 (MDC1) is involved in the regulation of cell cycle checkpoints and recruitment of several repair proteins to the site of DNA double-stranded breaks (DSBs). This study aimed to correlate the expression of MDC1 protein with clinicopathological parameters and to evaluate its prognostic significance in patients with oral squamous cell carcinoma (OSCC). METHODS: MDC1 protein expression was evaluated immunohistochemically from untreated 100 patients with OSCC using modified H-score method...
April 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28152911/benchmarks-of-quality-breast-care-over-10-years
#19
F Lee Tucker, Barbara Rabinowitz, Teresa Heckel, Jennifer S Gass
272 Background: In 2005, the National Quality Measures for Breast Centers (NQMBC) was initiated as a web-based program to capture breast center performance using process of care measurements. The program participant enters data verified by the breast center director or administrator which was randomly audited. As a center submits data, their results are immediately compared with other similar centers as well as with all submitting centers. METHODS: Of the 31 measures, we focus on six pertinent measures of quality breast care; time from diagnostic mammogram to needle biopsy, time from needle biopsy to initial breast cancer surgery, breast conservation rate, use of radiation therapy for breast conserving patients, use of endocrine therapy, and use of chemotherapy...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152762/ro-ils-radiation-oncology-incident-learning-system-data-trends-2014-2015
#20
Eric C Ford, Nadine L Eads, Ksenija Kapetanovic, Cindy Tomlinson
59 Background: Incident learning is one of the most effective ways to improve quality care. To facilitate patient safety improvement at a national level, American Society for Radiation Oncology (ASTRO) and American Association of Physicists in Medicine (AAPM) launched RO-ILS: Radiation Oncology Incident Learning System in June 2014. RO-ILS mission is to facilitate safer and higher quality care through a shared learning environment that is secure and non-punitive. METHODS: To ensure the security and protection of data, ASTRO contracted with Clarity PSO, a federally-certified patient safety organization that operates under the auspices of the Patient Safety and Quality Improvement Act of 2005...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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