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  1. Article ; Online: Patient reported upper gastro-intestinal symptoms associated with fractionated image-guided conformal radiotherapy for metastatic spinal cord compression.

    Gram, Vanja / Fog, Lotte Stubkjær / Hemer, Mette / Pappot, Helle / Aznar, Marianne C / Suppli, Morten Hiul / Sjøgren, Per / Appelt, Ane

    Technical innovations & patient support in radiation oncology

    2019  Volume 13, Page(s) 1–5

    Abstract: Background and purpose: Palliative radiotherapy is given to sustain or improve quality of life for patients with advanced cancer. Radiotherapy may however result in symptomatic side effects, which may affect the patient negatively. This prospective ... ...

    Abstract Background and purpose: Palliative radiotherapy is given to sustain or improve quality of life for patients with advanced cancer. Radiotherapy may however result in symptomatic side effects, which may affect the patient negatively. This prospective longitudinal study of 30 patients aimed at investigating the incidence and severity of early toxicity, particularly focusing on dysphagia, esophagitis and mucositis, following fractionated radiotherapy for cervical and thoracic metastatic spinal cord compression (MSCC), as well as determining the relationship between esophageal dose and early upper gastro-intestinal symptoms.
    Materials and methods: Thirty patients receiving radiotherapy of 3Gyx10 for MSCC were included in the study. Patients were assessed for a total of 7 weeks from onset of radiotherapy using the Edmonton Symptom Assessment System (ESAS) questionnaire. Upper gastro-intestinal symptoms and severity were assessed from the tenth and eleventh question section of the ESAS questionnaire of "other problems" and how much this affected them. The relationships between the mean and maximum esophageal doses and incidence of dysphagia, esophagitis or mucositis were estimated and dose response curves determined.
    Results: Eleven patients reported esophageal symptoms (average duration eleven days, range 1-18 days). Incidence of esophageal toxicity in patients treated at Th8 or above was 79 percent, while no patients treated below Th8 reported any symptoms (p < 0.001). Furthermore, 2 out of 3 patients irradiated at the cervical region reported substantial changes in taste sensation.Risk of symptoms correlated with both mean and maximum esophageal dose and may be a useful tool in planning radiotherapy for MSCC, potentially reducing early upper gastro-intestinal toxicity.
    Language English
    Publishing date 2019-12-18
    Publishing country England
    Document type Journal Article
    ISSN 2405-6324
    ISSN (online) 2405-6324
    DOI 10.1016/j.tipsro.2019.11.008
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Ultrasonic mirror image from ruthenium plaque facilitates calculation of uveal melanoma treatment dose.

    Espensen, Charlotte Alfast / Jensen, Peter Koch / Fog, Lotte Stubkjær / Appelt, Ane Lindegaard / Klemp, Kristian / Fledelius, Hans Callø / Specht, Lena / Kiilgaard, Jens Folke

    The British journal of ophthalmology

    2017  Volume 101, Issue 9, Page(s) 1206–1210

    Abstract: Background/aims: To present a new method to determine dose depth and the distance from the concave side of the plaque to the tumour base in patients with uveal melanoma treated with ruthenium-106 based on ultrasonic mirror image.: Methods: We used ... ...

    Abstract Background/aims: To present a new method to determine dose depth and the distance from the concave side of the plaque to the tumour base in patients with uveal melanoma treated with ruthenium-106 based on ultrasonic mirror image.
    Methods: We used the mirror image associated with ultrasound during plaque brachytherapy to determine intraobserver reproducibility and interobserver agreement between two surgeons. 230 eyes with primary uveal melanoma were included in a retrospective analysis to determine the distance from the plaque to the tumour base using ultrasound. A phantom study was used to illustrate the effects on radiation dose to apex of the tumour when the dose depth was incorrectly determined. Doses to apex of the tumour were determined using Plaque Simulator.
    Results: The intraobserver variation in dose depth measurement
    Conclusions: The dose depth in patients with uveal melanoma must be measured accurately for correct calculation of the radiation dose to the apex of the tumour. Repeated in vivo and in vitro ultrasound measurements of dose depth showed higher variance than measurements using the mirror image produced from a ruthenium plaque. Using the mirror image thus help to improve the dose calculation.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Brachytherapy ; Female ; Humans ; Male ; Melanoma/diagnostic imaging ; Melanoma/radiotherapy ; Middle Aged ; Observer Variation ; Phantoms, Imaging ; Radiometry/methods ; Radiotherapy Dosage ; Reproducibility of Results ; Retrospective Studies ; Ruthenium Radioisotopes/therapeutic use ; Ultrasonography ; Uveal Neoplasms/diagnostic imaging ; Uveal Neoplasms/radiotherapy ; Young Adult
    Chemical Substances Ruthenium Radioisotopes
    Language English
    Publishing date 2017-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 80078-8
    ISSN 1468-2079 ; 0007-1161
    ISSN (online) 1468-2079
    ISSN 0007-1161
    DOI 10.1136/bjophthalmol-2016-309626
    Database MEDical Literature Analysis and Retrieval System OnLINE

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