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A study on the safety and validity of the onlay technique using the appendix for ureteric reconstruction

At study on the safety and validity of the onlay technique using the appendix for ureteric reconstruction

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000033884
Enrollment
Unknown
Registered
2020-06-15
Start date
2020-07-01
Completion date
Unknown
Last updated
2020-06-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ureter Stricture

Interventions

Historical group and Prospective group:Appendiceal onlay flap ureteroplasty

Sponsors

Department of Urology, Peking University First Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients diagnosed with ureteral stricture in our hospital, any age male and female; 2. Preoperative evaluation confirms that the patient has indications for surgical repair of ureteral stenosis, such as the presence of clinical symptoms related to upper urinary tract obstruction (back pain, infection, stones, etc.), impaired renal function, etc.; Patients had indwelling double-J ureteral stents or nephrostomy, but it is difficult to maintain for a long time due to complications; 3. It is not suitable for patients who underwent ureteroscopy for stenotic internal incision, balloon dilation, end-to-end ureter anastomosis or other treatment methods or the above treatment methods have failed; 4. Through preoperative communication, patients who are willing to operate and are fully informed about the condition and treatment options, and signed the surgical informed consent and informed selection notice; 5. Patients who are suitable for the use of onlay technique and ultimately undergo an appendiceal onlay flap ureteroplasty.

Exclusion criteria

Exclusion criteria: 1. Patients who refuse to undergo surgical treatment or expressly refuse to use the appendix or refuse to share data; 2. Patients with decompensated cardiopulmonary diseases, severe bleeding tendency diseases and other anesthetic or surgical contraindications.

Design outcomes

Primary

MeasureTime frame
symptoms;Upper urinary tract urodynamic examination;Computed tomography urography;Ureteroscope examination;Serum creatinine;

Countries

China

Contacts

Public ContactXuesong Li

Department of Urology, Peking University First Hospital

pineneedle@sina.com+86 010-83572600

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026