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| Factors Relate to Postoperative Renal Stone Residue in Patients with Precutaneous Nephrolithotomy |
| ZHOU Long-fei, LI Jian |
| Department of Emergency,Luzhou City TCM Hospital , Sichuan 646000 , China |
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Abstract 【Objective】To explore the influencing factors of postoperative kidney stone residue in patients after percutaneous nephrolithotomy (PCNL) surgery.【Methods】A total of 279 patients with renal stones from February 2014 to April 2016 in our hospital were selected as the subject. All underwent percutaneous nephrolithotomy and postoperative kidney stone residue in each case was recorded. Stone residue and its related clinical data were analyzed by univariate and multivariate logistic regression analysis. 【Results】The kidney stones in the 279 patients showed a surgical removal rate of 83.15% and a residual rate of 16.85%. Stone residual rate in patients with stone diameter＞1.0cm, mixed stones, stones load＞700mm2, staghorn stones, multiple stones, renal insufficiency, and operative time＞ 60 min was significantly higher than that in patients without the above symptoms; the difference was statistically significant (P＜0.05 ). Based on multivariate logistic regression analysis, independent risk factors for renal stone residue after PCNL were stone diameter ＞1.0cm, mixed stones, stones load＞700mm2, staghorn stones, multiple stones, and renal dysfunction (P＜0.05). 【Conclusion】There is a risk of residual kidney stones in patients after PCNL surgery. The influencing factors are stone diameter, stone load, presence of mixed stones, staghorn calculi, multiple stones, and renal dysfunction. Therefore, these independent risk factors should be paid more intention to kidney stone patients.
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Received: 08 August 2016
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2017, Vol. 34 
