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  1. 2241
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    The Effect of Climate Change and the Snail-Schistosome Cycle in Transmission and Bio-Control of Schistosomiasis in Sub-Saharan Africa
  2. 2242
    por Janower, Amber, St John, Philip
    Publicado 2023
    “…Functional status was measured using the Older Americans Resource and Services (OARS). Logistic regression models were constructed to assess functional status at both Time 1 and Time 2. …”
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    Dual Sensory Impairment and Functional Status in a Prospective Cohort Study
  3. 2243
    “…Image-guided radiotherapy (IGRT) plays an important role in minimizing treatment toxicity of pelvic radiation and provides a superior conformality for sparing the organs at risk (OARs) such as bone marrow, bowel, rectum, and bladder. …”
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    Recent Advances and Adaptive Strategies in Image Guidance for Cervical Cancer Radiotherapy
  4. 2244
    “…Lung, Ca Prostate, Ca Esophagus, and Ca Hypopharynx, OARs got more doses with the superposition algorithm; this progressively decreased for fast superposition and convolution algorithms, respectively. …”
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    Comparative study of convolution, superposition, and fast superposition algorithms in conventional radiotherapy, three-dimensional conformal radiotherapy, and intensity modulated radiotherapy techniques for various sites, done on CMS XIO planning system
  5. 2245
    “…A quantitative analysis of the dose distributions and dose-volume histograms shows that both Co-60 and 6 MV plans achieve the plan objectives for the targets (CTV and nodes) and OARs (spinal cord in HandN case, and rectum in prostate case).…”
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    Practical and clinical considerations in Cobalt-60 tomotherapy
  6. 2246
    “…The Inhomogeneity Coefficient (IC), the PTV receiving 95% of the prescription dose (V95), the normal tissue complication probability (NTCP) and dose-volume parameters for the OARs were determined. RESULTS: the PTV coverage was improved (mean V95(AP-PA )= 95.9 and IC(AP-PA )= 0.4 vs. …”
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    Radiotherapy of large target volumes in Hodgkin's lymphoma: normal tissue sparing capability of forward IMRT versus conventional techniques
  7. 2247
    “…The rectum, bladder, and femur were chosen as organs at risk (OARs) with specified dose-volume constraints. Dose volume histograms (DVHs), the mean dose rate, the beam-on time, and early treatment outcomes were evaluated and compared. …”
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    Delivery Parameter Variations and Early Clinical Outcomes of Volumetric Modulated Arc Therapy for 31 Prostate Cancer Patients: An Intercomparison of Three Treatment Planning Systems
  8. 2248
    “…RESULTS: Comparison of VMAT and IMRT plans within the same patient and institute showed significantly better sparing for almost all OARs with VMAT. The average mean dose to the parotid glands and oral cavity was reduced from 27.2 Gy and 39.4 Gy for IMRT to 25.0 Gy and 36.7 Gy for VMAT, respectively. …”
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    Multi-institutional comparison of volumetric modulated arc therapy vs. intensity-modulated radiation therapy for head-and-neck cancer: a planning study
  9. 2249
    “…On the planning computed tomography (CT) dataset, bilateral breast planning treatment volume (PTV) and organs at risk (OARs) were delineated using standard guidelines. …”
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    Bilateral Breast Irradiation Using Hybrid Volumetric Modulated Arc Therapy (h-VMAT) Technique: A Planning Case Report
  10. 2250
    “…The dose distributions of target and organs at risks (OARs), along with the working time for planning, were evaluated. …”
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    A knowledge‐based approach to automated planning for hepatocellular carcinoma
  11. 2251
    “…Target volumes and organs at risk (OARs) were delineated, including 12 samples of right and left VAs, respectively, for each patient. …”
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    Significant Reduction in Vertebral Artery Dose by Intensity Modulated Proton Therapy: A Pilot Study for Nasopharyngeal Carcinoma
  12. 2252
    “…It was found that the AD-S plans achieved rapid dose fall-off and satisfactory sparing of organs at risk (OARs). Treatment efficiency was improved by the reduction in the number of nodes (28%) and beams (18%), and monitor unit (MU, 24%), respectively. …”
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    Applying pytorch toolkit to plan optimization for circular cone based robotic radiotherapy
  13. 2253
    “…Shifts in the S-I direction exerted the largest effect on CTV and CTV Boost. Regarding OARs, shifts in R, P, and I directions contributed to increasing the received dose. …”
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    Evaluation of Plan Robustness Using Hybrid Intensity-Modulated Radiotherapy (IMRT) and Volumetric Arc Modulation Radiotherapy (VMAT) for Left-Sided Breast Cancer
  14. 2254
    “…OBJECTIVE: Precise segmentation of human organs and anatomic structures (especially organs at risk, OARs) is the basis and prerequisite for the treatment planning of radiation therapy. …”
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    Artificial Intelligence Radiotherapy Planning: Automatic Segmentation of Human Organs in CT Images Based on a Modified Convolutional Neural Network
  15. 2255
    “…The PRISMA framework was applied and MEDLINE, Embase, CINAHL, OARE library, Web of Science, Scopus, ASSIA, EconLit, AGORA, AGRICOLA, AGRIS, WHO-EMRO, and LILACS were searched (2000–2020). …”
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    The Impact of Nutrition-Based Interventions on Nutritional Status and Metabolic Health in Small Island Developing States: A Systematic Review and Narrative Synthesis
  16. 2256
    por Rana, Suresh, Zheng, Yuanshui
    Publicado 2015
    “…Dependency on grid size was not very clear for the organs at risk (OARs), with average difference ranged from [Formula: see text] (RBE) to 0.53 Gy (RBE) in the USPT plans and from [Formula: see text] (RBE) to 1.39 Gy (RBE) in the IMPT plans. …”
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    Impact of grid size on uniform scanning and IMPT plans in XiO treatment planning system for brain cancer
  17. 2257
    “…CONCLUSION: The combination of image-guided brachytherapy and intensity-modulated radiotherapy improved the dose distribution to tumor volumes and avoided overdose in OARs which could be converted in excellent local control and toxicity profiles.…”
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    Image-guided brachytherapy (IGBT) combined with whole pelvic intensity-modulated radiotherapy (WP-IMRT) for locally advanced cervical cancer: a prospective study from Chiang Mai University Hospital, Thailand
  18. 2258
    “…CONCLUSIONS: This study suggests that DI may reduce the LAR of secondary cancers of all OARs and may be a valuable technique when using 3DCRT. …”
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    Radiation-induced second malignancies after involved-node radiotherapy with deep-inspiration breath-hold technique for early stage Hodgkin Lymphoma: a dosimetric study
  19. 2259
    “…The SBRT dosimetry was compared to the 10 prior intracavitary brachytherapy plans normalized to a standard dose. Organs at risk (OARs) evaluated were the bladder, rectum, sigmoid, femoral heads, and other bowel, including both large and small bowel. …”
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    Dosimetric feasibility of stereotactic body radiation therapy as an alternative to brachytherapy for definitive treatment of medically inoperable early stage endometrial cancer
  20. 2260
    “…Both plans led to similar target coverage, same doses to the OARs and equivalent fall-off of the dose outside the PTV(CT). …”
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    Use of FDG-PET to guide dose prescription heterogeneity in stereotactic body radiation therapy for lung cancers with volumetric modulated arc therapy: a feasibility study
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