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Tissue toxicity induced by ionizing radiation to the normal intestine: Understanding the pathophysiological mechanisms to improve the medical management

机译:电离辐射对正常肠道引起的组织毒性:了解改善医学管理的病理生理机制

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摘要

At the present time, more than one-half of all cancer patients are treated with radiation therapy. Despite a good therapeutic index, radiotherapy can disable normal tissue injury to normal tissues in long-term cancer survivors. Thus, an important challenge to modern radiation therapy is to increase the tolerance of normal tissues, in order to improve the quality of life of the patients, and to enhance local tumor control using dose escalation and/or new biological radiosensitizers. The recent progress made by 3D-conformal and intensity-modulated radiation therapy has reduced radiation-induced complications especially in dose-limiting organs like the intestine. Yet, acute intestinal complications do occur but are generally transient, whereas low and mild grade chronic gastrointestinal side effects continue to influence the patient's quality of life. Because the clinical evolution of delayed intestinal toxicity is progressive and inevitable, these complications are of much concern in clinical practice and further improvement in the management of such patients is required.
机译:目前,所有癌症患者中有一半以上接受放射治疗。尽管有良好的治疗指数,但放疗仍可以使长期癌症幸存者的正常组织免受正常组织的伤害。因此,现代放射疗法的一个重要挑战是增加正常组织的耐受性,以改善患者的生活质量,并使用剂量递增和/或新型生物放射增敏剂来增强对局部肿瘤的控制。 3D保形和强度调制放射疗法的最新进展减少了放射诱发的并发症,尤其是在剂量限制器官(如肠道)中。然而,急性肠道并发症的确会发生,但通常是短暂的,而低度和轻度的慢性胃肠道副作用继续影响患者的生活质量。由于延迟性肠毒性的临床发展是渐进的和不可避免的,因此这些并发症在临床实践中备受关注,需要进一步改善此类患者的治疗。

著录项

  • 来源
    《World Journal of Gastroenterology》 |2007年第22期|p.3031-3032|共2页
  • 作者

    MC Vozenin-Brotons;

  • 作者单位

    Laboratoire UPRES EA 27-10, 'Radiosensibilite des tumeurs et tissus sains'. PR1, 39, Rue Camille Desmoulins, 94805 Villejuif Cedex, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 消化系及腹部疾病;
  • 关键词

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