Study on the effect of negative pressure ureteroscopic holmium-YAG laser lithotripsy on renal pelvic pressure and its application

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100048321

Enrollment

Unknown

Registered

2021-07-05

Start date

2021-08-01

Completion date

Unknown

Last updated

2022-03-14

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

Conditions

Ureteral calculi

Interventions

Study group:Negative pressure attraction

Control group:No negative pressure attraction

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.A total of 100 patients with single, unilateral and opaque ureteral calculi diagnosed as ureteral calculi were selected as the research subjects; 2.There were no patients with obvious renal calculi; 3.Preoperative blood pressure and blood glucose were controlled within the normal range; 4.Cardiopulmonary function is normal, no absolute surgical contraindication.

Exclusion criteria

Exclusion criteria: 1.Patients with genitourinary malformations; 2.Patients with abnormal preoperative coagulation function or platelet abnormalities.

Design outcomes

Primary

Measure	Time frame
Intraoperative pelvis pressure;Postoperative review of plain radiograph of abdomen: residual calculi;Blood routine, procalcitonin, renal function;Postoperative fever;	—

Countries

China

Contacts

Public ContactWu Zhonghua

Zhongnan Hospital of Wuhan University

daydreamwu@sina.com+86 13971569109

Outcome results

None listed

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