Abstract
Purpose
To provide a comprehensive analysis about safety and efficacy of fluoroscopy-free total ultrasound-guided percutaneous nephrolithotomy (TUPN) versus ultrasound with fluoroscopy-guided percutaneous nephrolithotomy (UFPN).
Patients and methods
3-dimensional ultrasound-guided PCNL was retrospectively analyzed in 377 patients from 2015 to 2017. TUPN was performed in 185 patients and UFPN was finished in 192 patients. In TUPN group, the entire procedures of puncture and dilation were real-time monitored by three-dimensional ultrasound alone. Conversely, in UFPN group, the puncture was performed under the guidance of real-time ultrasound, while the dilation was monitored by fluoroscopy. Preoperative demographic data, intraoperative parameters and postoperative complications were compared.
Results
Groups were comparable in baseline characteristics. Fifty percent of patients were Guy’s score III–IV and over half of the patients were mild or none of hydronephrosis. All renal punctures were successfully performed. The primary successful rates of dilation were more than 95% in both groups (95.1% in TUPN and 95.8% in UFPN, p = 0.74). Two or more accesses were established in 33 patients (17.8%) in TUPN group and 25 patients (13%) in UFPN group (p = 0.20). Post-operative instant stone-free rates were 88.6% and 90.1%, TUPN versus UFPN, respectively, p = 0.65. Most of the complications were minor and there were no differences in Clavien–Dindo complications in both groups. Mean operating time and hospitalization were comparable.
Conclusions
Our findings show that fluoroscopy-free total ultrasound-guided PCNL represents an alternatively safe and efficient approach for the treatment of renal stones. Further study will be required to evaluate fluoroscopy-free TUPN in various clinical settings.
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Abbreviations
- PCNL:
-
Percutaneous nephrolithotomy
- SFR:
-
Stone-free rate
- TUPN:
-
Total ultrasound-guided percutaneous nephrolithotomy
- UFPN:
-
Ultrasound and fluoroscopy-guided percutaneous nephrolithotomy
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CW, YW: project development. YH, YJ, HL, ST: data collection or management. XD, YH: data analysis. XD, YW: manuscript writing. CW, YW: manuscript editing.
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All procedures performed in studies involving human participants were obtained from the institutional Ethics committee of First Hospital of Jilin University, Changchun, China.
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Ding, X., Hao, Y., Jia, Y. et al. 3-dimensional ultrasound-guided percutaneous nephrolithotomy: total free versus partial fluoroscopy. World J Urol 38, 2295–2300 (2020). https://doi.org/10.1007/s00345-019-03007-y
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DOI: https://doi.org/10.1007/s00345-019-03007-y