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. 2020 Dec 30;57(1):26.
doi: 10.3390/medicina57010026.

Effectiveness of Percutaneous Nephrolithotomy, Retrograde Intrarenal Surgery, and Extracorporeal Shock Wave Lithotripsy for Treatment of Renal Stones: A Systematic Review and Meta-Analysis

Affiliations

Effectiveness of Percutaneous Nephrolithotomy, Retrograde Intrarenal Surgery, and Extracorporeal Shock Wave Lithotripsy for Treatment of Renal Stones: A Systematic Review and Meta-Analysis

Chan Hee Kim et al. Medicina (Kaunas). .

Abstract

Background and objectives: To perform a updated systematic review and meta-analysis comparing effectiveness of percutaneous nephrolithotomy (PCNL), retrograde intrarenal surgery (RIRS), and extracorporeal shock wave lithotripsy (ESWL) for treatment of renal stones (RS). Materials and Methods: A total of 37 studies were included in this systematic review and meta-analysis about effectiveness to treat RS. Endpoints were stone-free rates (SFR), incidence of auxiliary procedure, retreatment, and complications. We also conducted a sub-analysis of ≥2 cm stones. Results: First, PCNL had the highest SFR than others regardless of stone sizes and RIRS showed a higher SFR than ESWL in <2 cm stones. Second, auxiliary procedures were higher in ESWL than others, and it did not differ between PCNL and RIRS. Finally, in <2 cm stones, the retreatment rate of ESWL was higher than others. RIRS required significantly more retreatment procedures than PCNL in ≥2 cm stones. Complication was higher in PCNL than others, but there was no statistically significant difference in complications between RIRS and PCNL in ≥2 cm stones. For ≥2 cm stones, PCNL had the highest SFR, and auxiliary procedures and retreatment rates were significantly lower than others. Conclusions: We suggest that PCNL is a safe and effective treatment, especially for large RS.

Keywords: extracorporeal shock wave lithotripsy (SWL); percutaneous nephrolithotomy (PCNL); retrograde intrarenal surgery (RIRS); urolithiasis.

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Conflict of interest statement

The authors report no conflicts of interest in relation to this work.

Figures

Figure 1
Figure 1
Study flow chart. Thirty-seven studies were included in the qualitative analysis.
Figure 2
Figure 2
Funnel plot of the meta-analysis. (A) ESWL vs. PCNL; (B) ESWL vs. RIRS; (C) RIRS vs. PCNL. These funnel plots indicate the presence of little publication bias in all studies.
Figure 3
Figure 3
Meta-analysis of Stone-free rate: (a) ESWL versus PCNL; (b) ESWL versus RIRS; and (c) PCNL versus RIRS. Mantel-Haenszel (M-H), 95% confidence intervals (CI).
Figure 3
Figure 3
Meta-analysis of Stone-free rate: (a) ESWL versus PCNL; (b) ESWL versus RIRS; and (c) PCNL versus RIRS. Mantel-Haenszel (M-H), 95% confidence intervals (CI).
Figure 4
Figure 4
Meta-analysis (A). Stone-free rate (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; (c) and PCNL vs. RIRS. Meta-analysis (B). Stone-free rate (stone size >2 cm): (a) ESWL vs. PCNL; and (b) PCNL vs. RIRS.
Figure 4
Figure 4
Meta-analysis (A). Stone-free rate (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; (c) and PCNL vs. RIRS. Meta-analysis (B). Stone-free rate (stone size >2 cm): (a) ESWL vs. PCNL; and (b) PCNL vs. RIRS.
Figure 5
Figure 5
Meta-analysis of total complications: (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS.
Figure 5
Figure 5
Meta-analysis of total complications: (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS.
Figure 6
Figure 6
Meta-analysis (A). Total complications (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS. Meta-analysis (B). Total complications (stone size > 2 cm): (a) PCNL vs. RIRS.
Figure 6
Figure 6
Meta-analysis (A). Total complications (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS. Meta-analysis (B). Total complications (stone size > 2 cm): (a) PCNL vs. RIRS.
Figure 7
Figure 7
Meta-analysis of retreatment procedure: (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; (c) PCNL vs. RIRS.
Figure 8
Figure 8
Meta-analysis (A). Retreatment procedure (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS. Meta-analysis (B). Retreatment procedure (stone size > 2 cm): (a) ESWL vs. PCNL; and (b) PCNL vs. RIRS.
Figure 9
Figure 9
Meta-analysis of auxiliary procedure: (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS.
Figure 10
Figure 10
Meta-analysis (A). Auxiliary procedure (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS. Meta-analysis (B). Auxiliary procedure (stone size > 2 cm): (a) ESWL vs. PCNL; and (b) PCNL vs. RIRS.
Figure 10
Figure 10
Meta-analysis (A). Auxiliary procedure (stone size ≤ 2 cm): (a) ESWL vs. PCNL; (b) ESWL vs. RIRS; and (c) PCNL vs. RIRS. Meta-analysis (B). Auxiliary procedure (stone size > 2 cm): (a) ESWL vs. PCNL; and (b) PCNL vs. RIRS.

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