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Purpose <p>While advances in flexible ureteroscopes and disposable suction systems have led to questions about percutaneous nephrolithotomy’s (PCNL) role in stone management, these alternatives are often insufficient for complex cases. This review examines PCNL’s efficacy and safety in four difficult patient groups: those with urinary diversion, neuromuscular disorders, renal transplants, and congenital anomalies where less invasive modalities, including flexible ureteroscopy and extracorporeal shock wave lithotripsy (ESWL), are often insufficient.</p> Methods <p>A systematic review was conducted according to PRISMA guidelines and registered in PROSPERO (CRD420251044426). PubMed and Cochrane Library databases were searched for studies no lower date limit, through December 31, 2024. Study selection and quality assessment (Newcastle-Ottawa Scale) were performed independently by multiple reviewers. The primary outcome was stone-free rate, while secondary outcomes included complication rates and clinical feasibility of PCNL in these patient groups.</p> Results <p>A total of 28 studies with 1,014 patients were included. PCNL was performed following failed ESWL or ureteroscopy (URS) in 18% of cases and often achieved complete clearance where previous modalities had failed. Across all subgroups, stone-free rates ranged from 48.7% to 100%, with highest outcomes in renal transplants (91.4%) and anomalies (84–92%). Complication rates varied (6.7–50%), reflecting anatomical complexity. Modified techniques such as Mini-PCNL enhanced feasibility in select cases.</p> Conclusion <p>PCNL remains the most effective option in complex stone cases where flexible ureteroscopy (fURS) or ESWL often fail, consistently achieving high clearance rates with acceptable morbidity in anatomically challenging patients. Rather than being replaced, PCNL continues to define the boundaries of what is possible in endourology’s most difficult scenarios.</p>

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The enduring role of PCNL in complex stone disease: a systematic review of four challenging cohorts

  • 期刊论文

  • 发表日期：

    2025年11月26日

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  • Selim Soytürk,
  • Ümit Özdemir,
  • Abdullah Altunhan,
  • Zeynep Akdagcik,
  • Mehmet Giray Sönmez,
  • Erkan Arslan,
  • Nariman Gadzhiev,
  • Panagiotis Kallidonis,
  • Bhaskar Somani,
  • Mehmet Balasar,
  • Kamran Ahmed,
  • Thomas Herrmann,
  • Selçuk Güven

摘要

Purpose

While advances in flexible ureteroscopes and disposable suction systems have led to questions about percutaneous nephrolithotomy’s (PCNL) role in stone management, these alternatives are often insufficient for complex cases. This review examines PCNL’s efficacy and safety in four difficult patient groups: those with urinary diversion, neuromuscular disorders, renal transplants, and congenital anomalies where less invasive modalities, including flexible ureteroscopy and extracorporeal shock wave lithotripsy (ESWL), are often insufficient.

Methods

A systematic review was conducted according to PRISMA guidelines and registered in PROSPERO (CRD420251044426). PubMed and Cochrane Library databases were searched for studies no lower date limit, through December 31, 2024. Study selection and quality assessment (Newcastle-Ottawa Scale) were performed independently by multiple reviewers. The primary outcome was stone-free rate, while secondary outcomes included complication rates and clinical feasibility of PCNL in these patient groups.

Results

A total of 28 studies with 1,014 patients were included. PCNL was performed following failed ESWL or ureteroscopy (URS) in 18% of cases and often achieved complete clearance where previous modalities had failed. Across all subgroups, stone-free rates ranged from 48.7% to 100%, with highest outcomes in renal transplants (91.4%) and anomalies (84–92%). Complication rates varied (6.7–50%), reflecting anatomical complexity. Modified techniques such as Mini-PCNL enhanced feasibility in select cases.

Conclusion

PCNL remains the most effective option in complex stone cases where flexible ureteroscopy (fURS) or ESWL often fail, consistently achieving high clearance rates with acceptable morbidity in anatomically challenging patients. Rather than being replaced, PCNL continues to define the boundaries of what is possible in endourology’s most difficult scenarios.