肾结石是泌尿系统常见疾病,其发病率呈逐年上升的趋势,采用输尿管软镜碎石后常存在结石残留现象,特别是肾下盏结石尤为明显。传统处理残石的方法为自然排石,其疗效存在不确定性。而体外物理振动排石是依靠体外物理振动排石机实现主动排石,利用主、副两个振动装置发出简谐波产生推力,将残石从泌尿腔道排出体
选取2018年1月-2021年6月本院收治的184例肾下盏结石患者作为研究对象,112例输尿管软镜联合体外物理振动排石患者作为观察组,72例输尿管软镜后自然排石患者作为对照组。其中,男101例,女83例;年龄19~70岁,平均(53.4±13.05)岁。两组患者一般资料比较,差异无统计学意义(P > 0.05),具有可比性。见
组别 | 性别/例 | 年龄/岁 | 结石大小/mm | |
---|---|---|---|---|
男 | 女 | |||
观察组(n = 112) | 60 | 52 | 54.2±13.6 | 13.2±3.1 |
对照组(n = 72) | 41 | 31 | 52.6±12.5 | 12.5±3.5 |
t/ | 0.20 |
0.7 |
1.4 | |
P值 | 0.762 | 0.443 | 0.150 |
注: †为t值
纳入标准:①经泌尿系CT确诊为单纯肾下盏结石;②结石直径小于2 cm;③无输尿管畸形或狭窄。排除标准:①年龄 < 18岁或 > 70岁;②输尿管软镜碎石不成功或有手术相关严重并发症者;③患有严重高血压、冠心病、脑血管疾病及重要器官功能障碍者;④体重指数 > 35 kg/
采用体外物理振动排石法。术后排石前30 min予20 mg速尿静推,调节排石机振动频率为2 800 次/min,振幅为5 mm,平卧位超声探查结石位置。主振子于结石位置施加振动,协同副振子的振动,根据结石位置调节床体倾斜角度,将结石与肾盏分离,最后调节床体为头高脚低位,振动结石使其沿输尿管下移。连续振动排石10 min,共循环2次,待患者感强烈尿意时,嘱其排尿并滤网收集结石。见附图。

A

B
附图 体外物理振动排石后收集的结石
Attached fig Stones were collected after external physical vibration lithecbole
A:颗粒状;B:泥沙样
两组患者均顺利完成治疗,排石过程中均未出现严重血尿、腰痛和高热等并发症。两组患者通过复查腹部卧位平片及CT观察结石排出情况。观察组手术当天结石排出率、术后1、2和4周结石排净率明显高于对照组,差异均有统计学意义(P < 0.01)。见
组别 | 当天排石率 | 结石排净率 | ||
---|---|---|---|---|
术后1周 | 术后2周 | 术后4周 | ||
观察组(n = 112) | 71(63.4) | 83(74.1) | 92(82.1) | 99(88.4) |
对照组(n = 72) | 25(34.7) | 37(51.4) | 46(63.9) | 49(68.1) |
| 14.44 | 9.97 | 7.60 | 11.52 |
P值 | 0.000 | 0.002 | 0.009 | 0.001 |
输尿管软镜碎石后常有结石残留,成为限制其应用的主要原因之一,而肾下盏结石更易出现结石残留。有研
体外物理振动排石是近年来开展的一种新型治疗方法,依靠主副振子振动及配合体位变化,将粉碎后的结石分离开,形成驱动作用主动促进结石排出,其安全、高效,且操作简
本研究显示,观察组当日排石率为63.4%,术后1、2及4周结石排净率分别为74.1%、82.1%和88.4%,均明显高于对照组,差异有统计学意义。说明:体外物理振动排石辅助输尿管软镜术后排石,能够明显提高肾下盏结石的当天排石率及术后结石排净率,缩短排石时间,疗效明显。而一项对不同部位结石的研
综上所述,体外物理振动排石辅助输尿管软镜治疗肾下盏结石,疗效确切,且安全性高,值得临床推广。
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