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Published on: September 13, 2022
Doppler ultrasound-guided percutaneous nephrolithotomy: a prospective randomized study
Bing-Chang Tzeng1, Chung-Jing Wang, Shi-Wei Huang
1Department of Radiology, Saint Martin de Porres Hospital, Chiayi, Taiwan, Republic of China.
Urology
|February 15, 2011
Summary
Doppler ultrasound-guided percutaneous nephrolithotomy (PCNL) is a safe and effective method for kidney stone removal, showing less blood loss compared to standard ultrasound guidance.
Area of Science:
- Urology
- Medical Imaging
- Surgical Techniques
Background:
- Percutaneous nephrolithotomy (PCNL) is a key procedure for managing large renal stones.
- Standard ultrasound guidance is commonly used for PCNL.
- The role of Doppler ultrasound in PCNL requires further evaluation.
Purpose of the Study:
- To assess the efficacy and safety of Doppler ultrasound-guided PCNL.
- To compare Doppler ultrasound guidance with standard ultrasound guidance in PCNL.
- To evaluate the impact on blood loss and patient outcomes.
Main Methods:
- A prospectively randomized controlled trial involving 131 patients with large or staghorn renal stones.
- Patients were randomized into two groups: standard ultrasound-guided PCNL and Doppler ultrasound-guided PCNL.
- Outcomes measured included operative time, blood loss (hemoglobin decrease), serum creatinine, and perioperative morbidity (Clavien grade).
Main Results:
- No significant differences were observed in serum creatinine, length of stay, return to activity, or glomerular filtration rate between the groups.
- Hemoglobin decrease was significantly lower in the Doppler ultrasound-guided PCNL group compared to the standard ultrasound-guided group.
- Perioperative morbidity assessed by the modified Clavien grading system showed no difference between the two techniques.
Conclusions:
- Doppler ultrasound-guided PCNL is an accurate and safe procedure.
- This technique is associated with reduced blood loss during PCNL.
- Doppler ultrasound guidance offers a valuable alternative to traditional B-mode ultrasound for PCNL.
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