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目的探讨B超引导下猪经皮肾镜术(PCNL)经皮肾通道的建立。方法对18只雌性荣昌猪行经皮肾镜术,根据皮肾通道大小随机分为3组:F16组、F24组、F30组,每组6只,比较各组建立经皮肾通道的时间及术中出血量的差异。结果成功建立猪经皮肾通道16只,各组分别为5只、5只和6只。F16组、F24组、F30组建立经皮肾通道的时间分别为(95.00±8.06)min、(99.60±5.55)min、(103.17±7.99)min。3组完成经皮肾通道建立所需时间比较差异无统计学意义(P>0.05)。F16组、F24组、F30组术中出血量分别为(22.40±4.56)mL、(25.00±5.24)mL、(20.50±7.87)mL,3组术中出血量比较差异无统计学意义(P>0.05)。结论实验组成功建立了猪经皮肾通道,关键在于能够准确找到猪尿道口、输尿管口及穿刺肾脏,建立通道所需时间和术中出血量与通道大小无明显关系。
Objective To investigate the establishment of transcutaneous renal tunnel with porcine percutaneous nephrolithotomy (PCNL) guided by B-ultrasound. Methods 18 female Rongchang pigs undergoing percutaneous nephrolithotomy were randomly divided into three groups according to the size of the renal access: F16, F24 and F30, with 6 rats in each group. The time and technique of establishing percutaneous renal accessions The difference in the amount of bleeding. Results 16 pig percutaneous renal accessions were successfully established, with 5, 6 and 6 rats in each group. The time of establishing percutaneous renal channel in F16 group, F24 group and F30 group were (95.00 ± 8.06) min, (99.60 ± 5.55) min and (103.17 ± 7.99) min, respectively. There was no significant difference in the time required to complete the percutaneous renal access in 3 groups (P> 0.05). The blood loss in the F16, F24 and F30 groups was (22.40 ± 4.56) mL and (25.00 ± 5.24) mL and (20.50 ± 7.87) mL, respectively. There was no significant difference in the intraoperative blood loss among the three groups (P> 0.05). Conclusion The experimental group successfully established percutaneous renal access, the key is to be able to accurately find the pig’s urethra, ureter orifice and puncture the kidney, the time required to establish the channel and intraoperative blood loss and the size of the channel has no significant relationship.