Bryant Richard J, Hamdy Freddie C
Academic Urology Unit, Section of Oncology, School of Medicine and Biomedical Sciences, University of Sheffield, Sheffield, United Kingdom.
Eur Urol. 2008 Jan;53(1):37-44. doi: 10.1016/j.eururo.2007.08.034. Epub 2007 Aug 27.
To review evidence regarding the potential introduction of prostate cancer screening programmes and highlight issues pertinent to the management of screen-detected prostate cancer.
Screening for prostate cancer is a controversial health care issue in general and urological practice. A PubMed database search was performed, followed by a systematic review of the literature, to examine the evidence base underlying prostate cancer screening.
A prostate cancer screening programme should satisfy several key postulates prior to its introduction. To date, several of these postulates have not been satisfied, and the evidence available for prostate cancer screening is currently insufficient to warrant its introduction as a public health policy. The natural history of screen-detected prostate cancer remains poorly understood, and recent evidence suggests that a screening programme may detect a large number of men with indolent disease who may be subsequently overtreated. Several randomised clinical trials are currently in progress and it is hoped that they will provide robust evidence to inform future practice.
National systematic prostate cancer screening programmes outside randomised clinical trial settings have not been implemented to date owing to lack of robust evidence that such programmes would improve survival and/or quality of life in men with screen-detected disease. Forthcoming results of clinical trials and the application of appropriate risk stratification to prevent overtreatment of indolent prostate cancer are likely to change practice in coming years.
回顾有关可能引入前列腺癌筛查项目的证据,并强调与筛查发现的前列腺癌管理相关的问题。
总体而言,前列腺癌筛查在医疗保健领域以及泌尿外科实践中都是一个有争议的问题。我们进行了PubMed数据库检索,随后对文献进行了系统回顾,以研究前列腺癌筛查的证据基础。
在引入前列腺癌筛查项目之前,该项目应满足几个关键假设。迄今为止,其中一些假设尚未得到满足,目前可用于前列腺癌筛查的证据不足以支持将其作为一项公共卫生政策引入。筛查发现的前列腺癌的自然病史仍知之甚少,最近的证据表明,一个筛查项目可能会检测出大量患有惰性疾病的男性,而这些男性随后可能会受到过度治疗。目前有几项随机临床试验正在进行,希望它们能提供有力证据,为未来的实践提供参考。
由于缺乏有力证据表明此类项目能提高筛查发现疾病的男性的生存率和/或生活质量,迄今为止,尚未在随机临床试验环境之外实施全国性的系统性前列腺癌筛查项目。即将公布的临床试验结果以及应用适当的风险分层来防止惰性前列腺癌的过度治疗,可能会在未来几年改变实践。