Meta-analysis of the effect of alpha blockers on ureteral access sheath placement during flexible ureteroscopic lithotripsy
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摘要: 目的 α受体阻滞剂可以减少输尿管收缩力和蠕动频率,降低放置输尿管通道鞘(ureteral access sheath,UAS)的阻力。较小的置鞘阻力与更低程度的置鞘损伤有关,并增加置鞘成功的可能性。目前相关研究的质量参差不齐,研究结果间存在差异。通过系统回顾和meta分析,评价术前应用α受体阻滞剂在置鞘过程中的作用。方法 系统检索PubMed、Web of Science和Cochrane library数据库,时间截至2023年3月1日,查找关于术前应用α受体阻滞剂对UAS置入影响的临床研究。按照术前是否应用α受体阻滞剂分为试验组和对照组,研究的主要结果为UAS置入成功率;次要结果为输尿管损伤、术后结石清除率。结果 经过筛选后共纳入8篇研究,899例患者。分析显示,试验组的置鞘成功率显著高于对照组(RR=1.08,95%CI:1.04~1.13,P < 0.05)。对药物种类的亚组分析显示,坦索罗辛和西洛多辛在置鞘过程中的效应相似(P>0.05)。依据输尿管损伤的PULS分级,对不同输尿管损伤等级进行亚组分析显示,≥0级输尿管损伤2组差异无统计学意义(RR=0.99,95%CI:0.86~1.13,P>0.05);≥1级输尿管损伤在试验组更低(RR=0.64,95%CI:0.44~0.93,P < 0.05);≥2级输尿管损伤2组差异无统计学意义(RR=0.47,95%CI:0.20~1.09,P>0.05)。2组具有相似的术后结石清除率(RR=1.04,95%CI:0.93~1.17,P>0.05)。结论 术前应用α受体阻滞剂可提高UAS置入成功率,可能与较低的输尿管损伤等级有关。坦索罗辛和西洛多辛在置鞘过程中的效应相似。Abstract: Objective To evaluate the role of α receptor blockers in the process of ureteral access sheath (UAS) placement before surgery through systematic review and meta-analysis.Methods A systematic search of PubMed, Web of Science and Cochrane library databases up to March 1st, 2023 was conducted to find clinical studies on the effect of preoperative alpha-blockers on sheath placement. The main results of the study were the success rate of UAS placement. Secondary outcomes were ureteral injury and postoperative stone free rate (SFR).Results After screening, a total of 8 studies with 899 patients were included. The results of analysis showed that the success rate of placement in the α-blocker group was significantly higher than that in the control group(RR=1.08, 95%CI: 1.04-1.13, P < 0.05). Subgroup analysis of drug types showed that tamsulosin and silodosin had similar effects during sheath placement(P>0.05). According to PULS grade of ureteral injury, subgroup analysis of ureteral injury grade ≥0 was similar between the two groups(RR=0.99, 95%CI: 0.86-1.13, P>0.05). Grade ≥1 ureteral injury was lower in the α-blocker group(RR=0.64, 95%CI: 0.44-0.93, P < 0.05). Grade ≥2 ureteral injury was similar between the two groups(RR=0.47, 95%CI: 0.20-1.09, P>0.05). The postoperative SFR was similar between the two groups(RR=1.04, 95%CI: 0.93-1.17, P>0.05).Conclusion Preoperative application of alpha-blockers increased the success rate of UAS placement, which may be associated with a lower grade of ureteral injury. The effects of tamsulosin and silodosin in the process of sheath placement are similar.
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Key words:
- alpha receptor blockers /
- ureteral access sheath /
- ureteral injury /
- meta-analysis
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表 1 纳入研究的基础特征表
纳入研究 研究类型 分组 用药方案 例数 置鞘成功率 输尿管损伤 SFR SFR 质量评价 UAS型号 置鞘辅助方式 0级 1级 ≥2级 时间/残石标准/方式 Kaler等[8]
2018
美国回顾 坦索罗辛 未提及,7 d 37 32/35 — — 2 14/34 3 d/4 mm/CT 8/9 16F,以及更小的型号 单根导丝 空白对照 — 40 17/38 0 18/36 Kim等[9]
2022
韩国随机对照 西洛多辛 8 mg q/d, 3 d 43 — 26 13 4 20/26 3个月/2 mm/CT 6/7 11/13F 透视 空白对照 — 44 18 14 12 18/24 Erturhan等[10]
2019
土耳其随机对照 坦索罗辛 0.4 mgq/d, 2周 23 15/23 - 14/15 2周/未提及/超声 5/7 9.5/11.5F 透视 空白对照 23 — 11/25 10/11 Biebel等[11]
2020
美国回顾 α受体阻滞剂 未提及 221 217/221 - - - 7/9 12/14 F 未提及 空白对照 211 198/211 Köprü等[12]
2020
土耳其随机对照 西洛多辛 8 mg q/d, 10 d 38 37/38 - 37/37 3个月/4 mm/CT 3/7 9.5 F 未提及 空白对照 — 38 35/35 35/35 Dall'Aqua等[13]
2021
巴西随机对照 坦索罗辛 0.4 mgq/d, 7 d 19 15/19 83 - - 6/7 未提及 未提及 空白对照 — 23 19/23 Dhital等[14]
2020
尼泊尔随机对照 坦索罗辛 0.4 mgq/d, ≥7 d 51 41/51 1618 - - 3/7 未提及 未提及 空白对照 — 50 30/50 Sytnik等[15]
2022
俄罗斯随机对照 西洛多辛 8 mg q/d, 4 d 18 18/18 11 7 0 - - 4/7 11/13F 未提及 — — 18 15/18 5 8 2 注:q/d:每天1次;CT:电子计算机断层扫描。 -
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