Do previous percutaneous renal procedures affect the outcome of ultrasound-guided PCNL? A study at a large-volume center.
Zeng X; Chen Y; Lin S; Xu Y; Luo Z; Bai W; Li J; Xiao B · 2026 · Frontiers in surgery
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Purpose This study aimed to investigate the influence of previous percutaneous renal procedures on the outcome of ultrasound (US)-guided percutaneous nephrolithotomy (PCNL) in patients with upper urinary tract stones. Patients and methods…
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Metadata source: Europe PMC · DOI 10.3389/fsurg.2026.1721410