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Short course radiation

Sara L Zettervall, Eleonora G Karthaus, Peter A Soden, Dominique B Buck, Klaas H J Ultee, Marc L Schermerhorn, Mark C Wyers
OBJECTIVE: Isolated visceral artery dissections are rare entities with no current consensus guidelines for treatment and follow-up. This study aims to evaluate the presentation, management, outcomes, and follow-up practices for patients with isolated visceral artery dissections and to compare those with and without symptoms. METHODS: In this retrospective analysis, we identified all patients with isolated celiac artery and/or isolated superior mesenteric artery dissections at a single institution between September 2006 and December 2014...
October 20, 2016: Journal of Vascular Surgery
R Orecchia, A Surgo, M Muto, A Ferrari, G Piperno, M A Gerardi, S Comi, C Garibaldi, D Ciardo, A Bazani, F Golino, F Pansini, C Fodor, P Romanelli, D Maestri, V Scroffi, S Mazza, B A Jereczek-Fossa
PURPOSE: The aim of this retrospective study is to evaluate patient profile, feasibility, and acute toxicity of RadioTherapy (RT) delivered by VERO® in the first 20 months of clinical activity. METHODS: Inclusion criteria: 1) adult patients; 2) limited volume cancer (M0 or oligometastatic); 3) small extracranial lesions; 4) treatment between April 2012 and December 2013 and 5) written informed consent. Two techniques were employed: intensity modulated radiotherapy (IMRT) and stereotactic body radiotherapy (SBRT)...
2016: Ecancermedicalscience
Amit Roy, Pawinee Mahasittiwat, Ashley A Weiner, Steven R Hunt, Matthew G Mutch, Elisa H Birnbaum, Ira J Kodner, Thomas E Read, James W Fleshman, Jeffrey R Olsen, Robert J Myerson, Parag J Parikh
PURPOSE: Preoperative short-course radiation therapy (SCRT) has rarely been used for rectal cancer in the United States, although 2 randomized phase 3 trials demonstrate equivalence to conventional chemoradiation (CRT), and recent updates to national guidelines include this regimen as a treatment option. We sought to evaluate the efficacy and safety of preoperative SCRT followed by immediate surgery within 1 week to treat rectal cancer in the US setting. METHODS AND MATERIALS: All patients treated with preoperative SCRT (4 Gy × 5 fractions for total 20 Gy) followed by planned surgery within 1 week at our institution were retrospectively evaluated...
August 31, 2016: Practical Radiation Oncology
Brian L Fish, Feng Gao, Jayashree Narayanan, Carmen Bergom, Elizabeth R Jacobs, Eric P Cohen, John E Moulder, Christie M Orschell, Meetha Medhora
The NIAID Radiation and Nuclear Countermeasures Program is developing medical agents to mitigate the acute and delayed effects of radiation that may occur from a radionuclear attack or accident. To date, most such medical countermeasures have been developed for single organ injuries. Angiotensin converting enzyme (ACE) inhibitors have been used to mitigate radiation-induced lung, skin, brain, and renal injuries in rats. ACE inhibitors have also been reported to decrease normal tissue complication in radiation oncology patients...
November 2016: Health Physics
P Pinnaro, C Giordano, A Farneti, R Rambone, G Sanguineti
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Y M Mowery, J K Salama, S Y Zafar, H G Moore, C G Willett, B Czito, M B Hopkins, M Palta
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
N Cimbak, C A Barker
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
P L Nguyen, N E Martin, B J Palmer-Aronsten, V Choeurng, T Kolisnik, C J Beard, M D Nezolosky, Y W Chen, H Shin, E Davicioni, F Feng
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
K S Mak, M M Qureshi, M T Truong
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Y C Chou, C K Tseng
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
A Roy, S H Chang, M Y Leung, P J Parikh
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
E Kim, J D Murphy
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Hideaki Kawabata, Koji Uno, Kenjiro Yasuda, Masato Yamashita
BACKGROUND/AIMS: The optimal regimen of radiotherapy (RT) for bleeding from gastric cancer (GC) has not yet been established. The aim of this study was to evaluate the usefulness of low-dose, short-course palliative RT (LSP-RT) for bleeding from GC. MATERIAL AND METHODS: We reviewed the clinical data of 18 patients (26 courses) who received palliative RT for bleeding from GC between 2004 and 2014. The radiation dose was 6 Gy in three fractions. The total courses of RT for each patient were 1-4 (median, 1)...
September 27, 2016: Journal of Palliative Medicine
Nabila Ansari, Michael J Solomon, Richard J Fisher, John Mackay, Bryan Burmeister, Stephen Ackland, Alexander Heriot, David Joseph, Sue-Anne McLachlan, Bev McClure, Samuel Y Ngan
OBJECTIVE: To compare acute adverse events (AE) and postoperative complication rates in a randomized trial of short-course (SC) versus long-course (LC) preoperative radiotherapy. BACKGROUND: Evidence demonstrates that adding neoadjuvant radiotherapy to surgery offers better local control in the management of rectal cancer. With both SC and LC therapy there is a potential for acute treatment-related toxicity and increased patient morbidity. METHODS: Eligible patients had clinical-stage T3 rectal adenocarcinoma within 12 cm of the anal verge with no evidence of metastasis...
September 14, 2016: Annals of Surgery
Shaowen Hu
In radiation accidents, determining the radiation dose the victim received is a key step for medical decision making and patient prognosis. To reconstruct and evaluate the absorbed dose, researchers have developed many physical devices and biological techniques during the last decades. However, using the physical parameter "absorbed dose" alone is not sufficient to predict the clinical development of the various organs injured in an individual patient. In operational situations for radiation accidents, medical responders need more urgently to classify the severity of the radiation injury based on the signs and symptoms of the patient...
October 2016: Health Physics
Alesia Sadosky, Vijaya Koduru, E Jay Bienen, Joseph C Cappelleri
BACKGROUND: painDETECT is a screening measure for neuropathic pain. The nine-item version consists of seven sensory items (burning, tingling/prickling, light touching, sudden pain attacks/electric shock-type pain, cold/heat, numbness, and slight pressure), a pain course pattern item, and a pain radiation item. The seven-item version consists only of the sensory items. Total scores of both versions discriminate average pain-severity levels (mild, moderate, and severe), but their ability to discriminate individual item severity has not been evaluated...
2016: ClinicoEconomics and Outcomes Research: CEOR
Daniela Rega, Biagio Pecori, Dario Scala, Antonio Avallone, Ugo Pace, Antonella Petrillo, Luigi Aloj, Fabiana Tatangelo, Paolo Delrio
PURPOSE: Neoadjuvant therapy is able to reduce local recurrence in rectal cancer. Immediate surgery after short course radiotherapy allows only for minimal downstaging. We investigated the effect of delayed surgery after short-course radiotherapy at different time intervals before surgery, in patients affected by rectal cancer. METHODS: From January 2003 to December 2013 sixty-seven patients with the following characteristics have been selected: clinical (c) stage T3N0 ≤ 12 cm from the anal verge and with circumferential resection margin > 5 mm (by magnetic resonance imaging); cT2, any N, < 5 cm from anal verge; and patients facing tumors with enlarged nodes and/or CRM+ve who resulted unfit for chemo-radiation, were also included...
2016: PloS One
Todd Crocenzi, Benjamin Cottam, Pippa Newell, Ronald F Wolf, Paul D Hansen, Chet Hammill, Matthew C Solhjem, Yue-Yun To, Amy Greathouse, Garth Tormoen, Zeljka Jutric, Kristina Young, Keith S Bahjat, Michael J Gough, Marka R Crittenden
BACKGROUND: Preclinical studies have shown synergy between radiation therapy and immunotherapy. However, in almost all preclinical models, radiation is delivered in single doses or short courses of high doses (hypofractionated radiation). By contrast in most clinical settings, radiation is delivered as standard small daily fractions of 1.8-2 Gy to achieve total doses of 50-54 Gy (fractionated radiation). We do not yet know the optimal dose and scheduling of radiation for combination with chemotherapy and immunotherapy...
2016: Journal for Immunotherapy of Cancer
Kathleen D Cusick, Baochuan Lin, Anthony P Malanoski, Sarah M Strycharz-Glaven, Allison Cockrell-Zugell, Lisa A Fitzgerald, Jeffrey A Cramer, Daniel E Barlow, Thomas J Boyd, Justin C Biffinger
: The effect of microwave frequency electromagnetic fields on living microorganisms is an active and highly contested area of research. One of the major drawbacks to using mesophilic organisms to study microwave radiation effects is the unavoidable heating of the organism, which has limited the scale (<5 ml) and duration (<1 h) of experiments. However, the negative effects of heating a mesophile can be mitigated by employing thermophiles (organisms able to grow at temperatures of >60°C)...
October 15, 2016: Applied and Environmental Microbiology
Shahed N Badiyan, William F Regine, Minesh Mehta
Brain metastases are the most common intracranial malignancy. Incidence of brain metastases has risen as systemic therapies have improved and patients with metastatic disease live longer. Whole-brain radiation therapy, for many years, has been the standard treatment approach. Stereotactic radiosurgery has become an increasingly popular option because of its relatively short, convenient, and noninvasive treatment course. Although recently published data have renewed interest in use of whole-brain radiation therapy or systemic therapies for control of micrometastatic disease, stereotactic radiosurgery continues to be an important modality, capable of delivering ablative doses of radiation for long-term control of macroscopic disease...
August 2016: Journal of Oncology Practice
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