ArticleWorld journal of urology2024
Transient ureteral obstruction after mini-percutaneous nephrolithotomy is associated with stone volume and location: results from a single-center, real-life study.
Article in World journal of urology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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4 citing papers in PubMed, 1 synthesis or guideline pooled it, 2 citations in OpenAlex.
- Comparison of External Ureteral Catheter and Double-J stent as Drainage Methods for Tubeless Percutaneous Nephrolithotomy: A Systematic Review and Meta-Analysis.International braz j urol : official journal of the Brazilian Society of UrologyPooled it
- Association of Postoperative Drainage Strategy with Persistent Urinary Leakage and Clinical Outcomes Following Percutaneous Nephrolithotomy.Medicina (Kaunas, Lithuania) · 2026Article
- An intraoperative methylene blue test can guide patient selection for totally tubeless PCNL.medRxiv : the preprint server for health sciences · 2026Article
- Residual fragments after percutaneous nephrolithotomy: is it mandatory to treat them all?Urolithiasis · 2025Article
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Authors and funding
13 authors at 3 institutions in 1 country.
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Abstract
purposeTo evaluate the rate of and predictors of ureteral obstruction after mini-percutaneous nephrolithotomy (mPCNL) for kidney stones.
methodsWe analyzed data from 263 consecutive patients who underwent mPCNL at a single tertiary referral academic between 01/2016 and 11/2022. Patient's demographics, stone characteristics, and operative data were collected. A nephrostomy tube was placed as the only exit strategy in each procedure. On postoperative day 2, an antegrade pyelography was performed to assess ureteral canalization. The nephrostomy tube was removed if ureteral canalization was successful. Descriptive statistics and logistic regression models were used to identify factors associated with a lack of ureteral canalization.
resultsOverall, median (IQR) age and stone volume were 56 (47-65) years and 1.7 (0.8-4.2) cm
conclusionOne out of five patients showed transient ureteral obstruction after mPCNL. Patients with a higher stone burden and with stones in the renal pelvis are at higher risk of inadequate ureteral canalization. Internal drainage might be considered in these cases to avoid potential complications.
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