仰卧位冲击波碎石治疗学龄前儿童下段输尿管结石
孙西钊王影吕建林
目的：报告仰卧位冲击波碎石治疗学龄前儿童下段输尿管结石的疗效。方法：下段输尿管结石患儿22例。结石长径为5～16mm，平均6.8mm。在氯胺酮分离麻醉下，应用DornierCompactS型X线定位式冲击波碎石机治疗。全部患儿均采用仰卧位，冲击波从腰骶侧经坐骨大孔和坐骨小孔的骨性间隙聚焦于治疗目标。结果：SWL冲击次数为~次，平均.2±.8次。脉冲能量维持在4~5档，平均4.5档。患儿均在一期内排净结石，其中2周清石率为78.2%，3月清石率为%。未发生任何麻醉意外以及严重SWL并发症。结论：采用仰卧位冲击波碎石治疗学龄前儿童下段输尿管结石的效果安全有效。
：输尿管结石；碎石术；儿童
Shockwavelithotripsyinthesupineposition:treatmentofstonesforthepreschoolagechildrenwithdistalureteralcalculi.SunXizhao，WangYing，LuJjianlin.Departmentofurology,drumtowerhospital,NanjingUniversity,Nanjing28.
ObjectiveTheaimofourstudyistodeterminetheefficacyandsafetyofshockwavelithotripsy(SWL)usingsupinepositionasamethodoftreatmentofdistalureteralstoneinpreschoolagechildren.Methods22patientssufferingfromdistalureteralstonewithaverage6.8mm(range5～16mm)indimensionweretreatedinsupinepositionusingDornierCompactSwithX-raylocalization.Theshockwavefocusonthestoneviathesciaticummajusforamenfromlumbosacralside.ProcedureswereperformedunderKetamineinallpatients.ResultAllpatientwerefreeofstonesafter1SWLsession.Thestone-freeratewas78.2%attwoweeksfollow-up.Theoverallsuccessratewas%at3-monthfollow-up.Therearenegligible
