☆ Indications.
1.Urinary closure caused by acute upper urinary tract obstruction, this method can be used as an effective emergency measure in order to save renal function.
2.Patients with upper urinary tract obstruction who are not suitable for surgery and patients with malignant tumors
3.When pus accumulates in the renal pelvis or renal abscess, this method is used to reduce pressure and control infection to avoid surgery or create conditions for further surgical treatment
4.Ureteral obstruction caused by inflammation or edema after ureteral surgery, in order to promote the elimination of inflammation and avoid reoperation, this method can be used
5.Ureteral injury after urinary extravasation, the method is used to temporarily shift the direction of urine flow and promote healing
6.Complications such as hydronephrosis, blood or pus accumulation in the renal pelvis after transplanted kidney surgery
7.Diagnosis and treatment of renal pelvis and upper urinary tract diseases through the intervention of other instruments in the fistula
8.Lysis of renal pelvis or ureteral stones by drug injection, local chemotherapy of renal pelvis or ureteral tumors by drug injection
☆ Contraindications.
1.Severe bleeding tendency, bleeding and coagulation mechanism disorders
2, systemic failure who cannot tolerate percutaneous puncture fistula surgery
3, non-obstructive causes of severe renal failure
4.Patients with uncontrolled severe hypertension
5.Puncture local skin infection or serious skin disease
☆ Special treatment informed consent form
The proposed ultrasound-guided puncture and drainage of liver abscesses may present with.
1.Renal bleeding, hematuria
2, adjacent organ injury
3, abdominal infection, peritonitis
4.Repeated treatment may occur
5.Possibility of postponing reoperation
6.Drainage tube dislodged
7.The treatment (part) is not covered by medical insurance
☆ Technical points.
1. Avoid puncturing the center of the kidney to prevent the loss of the interlobular artery or the arcuate artery, and to reduce extravasation and detachment due to the thin renal parenchyma
2.It is advisable to puncture the Brodel avascular zone located in the lateral posterior part of the kidney
3. Do not puncture the renal pelvis directly, but enter the pelvis through the renal calyces.
4. The incidence of postoperative hematuria is high and disappears after 1 week in most patients, so rest in bed for 12-24 hours after puncture to prevent bleeding.