BMJ:α-阻断剂更加有效地清除较大的肾结石

2016-12-06 佚名 生物谷

每11名美国人当中,将近有1人在其一生当中会产生肾结石,从而导致疼痛,有时导致工作丢失,而且经常需要花费大量金钱。当前的实践指南推荐被称作α-阻断剂(alpha blocker)的药物用于促进肾结石清除的标签外用途。这些α-阻断剂就包括坦索罗辛(tamsulosin)等药物。然而,2015年的针对英国1136人的一项多中心研究对用于这种目的的α-阻断剂的疗效提出质疑。如今,一篇新的针对医学文献的综


每11名美国人当中,将近有1人在其一生当中会产生肾结石,从而导致疼痛,有时导致工作丢失,而且经常需要花费大量金钱。

当前的实践指南推荐被称作α-阻断剂(alpha blocker)的药物用于促进肾结石清除的标签外用途。这些α-阻断剂就包括坦索罗辛(tamsulosin)等药物。然而,2015年的针对英国1136人的一项多中心研究对用于这种目的的α-阻断剂的疗效提出质疑。

如今,一篇新的针对医学文献的综述提示着α-阻断剂在一些情形下可能是有用的。相关综述于2016年12月1日发表在British Medical Journal期刊上,论文标题为“Alpha blockers for treatment of ureteric stones: systematic review and meta-analysis”。

论文第一作者、美国密歇根大学医学院泌尿学副教授John M. Hollingsworth博士说,“如果我们能够在不进行外科手术的情形下清除肾结石,那么它允许我们的病人避免额外的疼痛,也不用冒着开展外科手术的风险。当2015年的那项研究并没有发现α-阻断剂和安慰剂之间存在的显著差异时,我们想要进一步探讨这个问题。”

研究汇总

Hollingsworth和他的团队将2015年的那项研究放入其他的肾结石研究的环境中:一共汇总了55项将α-阻断剂与安慰剂或者对照进行比较的随机对照临床试验。

他们随后考虑这5990名研究对象的结石大小和位置以便观察在这两种因素中,哪一种在成功地清除结石中发挥着影响。

论文共同作者、美国佛罗里达大学医学院泌尿学副教授Benjamin K. Canales博士说,“我们发现α-阻断剂能够成功地清除结石,但是这种益处主要存在于具有较大肾结石的病人体内。”

研究人员报道利用α-阻断剂清除较大结石的可能性增加了57%,而对较小的结石而言,则不会产生这样的益处。结石所在的位置不会产生影响,而且所使用的α-阻断剂类型也不会产生影响。

论文通信作者、美国明尼苏达大学医学院泌尿学教授Philipp Dahm博士说,“对可能受益于它们的病人而言,不要让低风险的选择方案打折扣是比较重要的。我们的发现提示着医务人员可考虑开出α-阻断剂处方。”

对临床治疗的影响

Hollingsworth说,“这些数据有助我更好地鉴定出可能受益于α-阻断剂的病人。当决定是否给肾结石病人推荐使用α-阻断剂时,考虑结石大小是比较重要的。”

Hollingsworth说,“自从英国的那项研究后,人们就已产生相当大的分歧。然而,我们的发现有助强化推荐结石病人使用α-阻断剂的指导方针。”

原始出处

John M Hollingsworth, associate professor1, Benjamin K Canales, associate professor2, Mary A M Rogers, research associate professor3, Shyam Sukumar, house officer4, Phyllis Yan, statistician intermediate1, Gretchen M Kuntz, medical librarian5, Philipp Dahm, professor4.Alpha blockers for treatment of ureteric stones: systematic review and meta-analysis .BMJ.2016

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    2017-02-18 gaoxiaoe
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    2016-12-06 smartxiuxiu

    多久呢?

    0