Research progress on treating urinary system stones using ureteroscopy combined With a negative-pressure suction sheath - Summary - MDSpire

Research progress on treating urinary system stones using ureteroscopy combined With a negative-pressure suction sheath

  • By

  • Junqiang Liang

  • Hui Xiao

  • Song Yu

  • May 15, 2026

  • 0 min

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Objective:

To review the impact of negative-pressure suction sheaths on the efficacy and safety of ureteroscopy for managing urinary tract stones, highlighting advancements in patient outcomes.

Key Findings:
  • Suction-assisted ureteroscopy improves optical clarity and facilitates fragment evacuation, with specific improvements in stone-free rates.
  • Reduces intrarenal pressure surges during high energy lithotripsy, potentially decreasing complication rates.
  • Potentially beneficial for high-dusting cases and anatomically challenging situations, supported by preliminary data.
Interpretation:

Suction-assisted ureteroscopy represents a significant advancement in endoscopic lithotripsy, enhancing both safety and efficacy, with important implications for clinical practice.

Limitations:
  • Need for standardized reporting of intrarenal pressure surrogates, which may affect the reliability of outcomes.
  • Variability in suction parameters and techniques across studies, complicating comparisons.
  • Lack of large-scale multicenter clinical trials and cost-effectiveness analyses, limiting generalizability.
Conclusion:

Suction-assisted ureteroscopy offers a systems-based approach to improve endoscopic lithotripsy outcomes, warranting further research and standardization to fully realize its potential.

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