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Related Experiment Videos

Percutaneous cystolithotomy using a laparoscopic entrapment sac.

David C Miller¹, John M Park

¹Department of Urology, University of Michigan School of Medicine, Ann Arbor, Michigan, USA.

|August 2, 2003

Summary

This study introduces a minimally invasive technique for removing bladder stones in augmented bladders. The percutaneous cystolithotomy approach using a laparoscopic entrapment sac offers a safe and effective method for intact stone extraction.

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Area of Science:

Urology
Minimally Invasive Surgery
Laparoscopic Surgery

Background:

Augmentation cystoplasty creates a larger bladder reservoir but can lead to stone formation.
Bladder stones in augmented bladders pose surgical challenges due to altered anatomy.

Purpose of the Study:

To describe a novel percutaneous approach for intact bladder stone removal.
To evaluate the safety and efficacy of laparoscopic techniques in augmented cystoplasty patients.

Main Methods:

Percutaneous cystolithotomy utilizing a laparoscopic entrapment sac was performed in four patients.
A 10-mm laparoscopic trocar was inserted into the augmented bladder under endoscopic guidance.
Stones were captured and extracted intact without the need for lithotripsy.

Main Results:

Complete stone removal was achieved in three out of four patients.
Operative times were under one hour for successful cases.
Three procedures were performed on an outpatient basis with short catheter drainage duration.

Conclusions:

Percutaneous cystolithotomy with a laparoscopic entrapment sac is a safe and effective minimally invasive technique.
This method minimizes residual stone fragments and avoids adjuvant lithotripsy in augmented bladders.