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【探泌】Eur Urol:尿路結(jié)石的藥物排石治療—未來趨勢(shì)和知識(shí)缺口

 青云巷一周齊華 2019-09-07

編者按

為促進(jìn)輸尿管結(jié)石排出,避免不必要的外科干預(yù),多個(gè)指南建議使用藥物排石治療(medical expulsive therapy,MET)。由于不同研究之間結(jié)果相互矛盾,使得藥物排石治療存在爭(zhēng)議。

對(duì)此,發(fā)表于《European Urology》雜志題為《Medical Expulsive Therapy for Urinary Stones: Future Trends and Knowledge Gaps》的文章評(píng)價(jià)了藥物排石治療對(duì)輸尿管結(jié)石的作用及其發(fā)展方向。

【Abstract】

Context: Medical expulsive therapy (MET) for ureteral stones has become a controversial area due to the contradictory results of high-quality trials and meta-analyses.

背景:由于高質(zhì)量研究與薈萃分析的結(jié)果相互矛盾,使得藥物排石治療(MET)對(duì)輸尿管結(jié)石的作用富有爭(zhēng)議。

Objective: We aimed to review the literature to evaluate the value of and future directions for MET for ureteral stone disease.

目的:通過回顧文獻(xiàn),評(píng)價(jià)輸尿管結(jié)石MET的治療作用和發(fā)展方向。

Evidence acquisition: A literature search of the MEDLINE database and the Cochrane Library was conducted to collect articles about MET for ureteral calculi published up to 28 October 2018. A total of 524 articles were screened. Sixty-nine publications that met the inclusion criteria for this review were chosen. Among the primary research articles on MET with stone clearance as the primary outcome, seven responded to high-quality requirements of Cochrane Collaboration's tool for assessing the risk of bias in randomised trials.

證據(jù)采集:通過MEDLINE數(shù)據(jù)庫(kù)和Cochrane圖書館進(jìn)行文獻(xiàn)檢索,收集2018年10月28日之前發(fā)表的關(guān)于輸尿管結(jié)石MET的文章。共篩選文章524篇,其中符合納入標(biāo)準(zhǔn)的文章有69篇。以結(jié)石排凈作為主要終點(diǎn),有7篇文章符合Cochrane協(xié)作網(wǎng)偏倚風(fēng)險(xiǎn)評(píng)估工具的高質(zhì)量要求。

Evidence synthesis: The vast majority of randomised, double-blind, placebo-controlled trials without a high or an unclear risk of bias did not find a benefit of MET for increased ureteral stone passage rates. This is in contrast to results of meta-analyses that are skewed by low-quality trials.

證據(jù)合成:在排除了高偏倚風(fēng)險(xiǎn)和未知偏倚風(fēng)險(xiǎn)的隨機(jī)、雙盲、安慰劑對(duì)照試驗(yàn)中,絕大多數(shù)研究結(jié)果未發(fā)現(xiàn)MET對(duì)增加輸尿管結(jié)石排出率有益。這與低質(zhì)量試驗(yàn)薈萃分析的結(jié)果恰好相反。


Conclusions: The strength of evidence for the benefit of MET in ureteral stones is low, even for distal ureteral stones >5 mm. In the absence of further high-quality data, individual clinicians are required to decide for themselves whether to believe high-quality single trials or meta-analyses. 

結(jié)論:即使遠(yuǎn)端輸尿管結(jié)石>5mm,輸尿管結(jié)石MET有益的證據(jù)強(qiáng)度也很低。在缺乏進(jìn)一步高質(zhì)量數(shù)據(jù)的情況下,是相信高質(zhì)量的單一研究還是相信薈萃分析?這需要臨床醫(yī)生自行決定。

Patient summary: We evaluated the value of and future directions for medical expulsive therapy (MET) for ureteral stone disease. We found that outcomes varied between studies. Individual clinicians are required to decide for themselves which studies to believe. Alpha-blockers as MET may retain a role in a selective group of well-counselled patients with larger stones who understand the side effects and off-label use.

治療總結(jié):通過評(píng)估輸尿管結(jié)石MET的治療作用和發(fā)展方向,發(fā)現(xiàn)不同研究之間結(jié)果迥異。臨床醫(yī)生需要自行決定相信哪些研究。如果患者易于溝通,能夠理解藥物的副作用及超說明書用藥,那么α受體阻滯劑可選擇性用于較大的結(jié)石。


譯者評(píng)

藥物排石治療(MET)的常用藥物包括α受體阻滯劑、鈣通道阻滯劑、PDE5抑制劑以及皮質(zhì)類固醇等。歐洲泌尿外科學(xué)會(huì)(EAU)指南建議α受體阻滯劑可超說明書用于>5mm的(遠(yuǎn)端)輸尿管結(jié)石。指南同時(shí)指出PDE5抑制劑或皮質(zhì)類固醇與α受體阻滯劑聯(lián)用對(duì)促進(jìn)結(jié)石排出的證據(jù)不足。美國(guó)泌尿外科學(xué)會(huì)(AUA)和加拿大泌尿外科學(xué)會(huì)(CUA)指南建議對(duì)遠(yuǎn)端輸尿管結(jié)石<10mm的患者,應(yīng)提供包含α受體阻滯劑的MET。英國(guó)國(guó)家健康與臨床優(yōu)化研究所(NICE)指南建議α受體阻滯劑可用于遠(yuǎn)端輸尿管結(jié)石<10mm的成人、兒童及年輕人,以及成人<10mm的輸尿管結(jié)石沖擊波碎石(SWL)后輔助治療。

原作者指出,目前證據(jù)非常復(fù)雜,多數(shù)高質(zhì)量研究結(jié)果并不支持MET,還有一些研究存在較高偏倚風(fēng)險(xiǎn),使得研究結(jié)果不能完全反應(yīng)真實(shí)情況,需要更多的高質(zhì)量數(shù)據(jù)來證明MET的益處。今后研究重點(diǎn)應(yīng)在MET對(duì)無癥狀輸尿管結(jié)石、<10mm的輸尿管多發(fā)結(jié)石、>10mm的輸尿管單發(fā)結(jié)石的作用,以及結(jié)石的形狀、體積及最大直徑。還應(yīng)包括患者的性別、年齡(包括兒童)、種族、解剖學(xué)因素、同側(cè)支架置入或手術(shù)史、腎積水情況以及結(jié)石成分,上述因素在既往研究中通常未報(bào)告或是作為排除標(biāo)準(zhǔn)??傊F(xiàn)有證據(jù)表明在臨床工作中醫(yī)生應(yīng)與患者充分溝通藥物的副作用和超說明用藥后,方可選擇性使用MET。MET適用于所有患者的時(shí)代已經(jīng)結(jié)束(原文為the era of MET for all comers is over)。


參考文獻(xiàn):

1.De Coninck V, Antonelli J, Chew B, Patterson JM, Skolarikos A, Bultitude M. Medical Expulsive Therapy for Urinary Stones: Future Trends and Knowledge Gaps. Eur Urol. 2019

編譯|徐煜宇(廣州醫(yī)科大學(xué)附屬第五醫(yī)院)

編輯|榭小仙

審核|張棟邦


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