Review Article
Minimally Invasive Percutaneous Nephrolithotomy versus Retrograde Intrarenal Surgery for Upper Urinary Stones: A Systematic Review and Meta-Analysis
Table 3
The characters of the surgical methods of included studies.
| Study | Treatment | Access sheath size, Fr | Dilator | Nephroscope size | Lithotripsy |
| Lee et al. [11] | Mini-PCNL | 18 | Balloon | 15 F | Laser | RIRS | 14/16 | UAS | 7.5 F | Laser | Ozgor et al. [12] | Mini-PCNL | 18 or 20 | Amplatz | 17 F | Laser and ultrasound | RIRS | 19/23 | UAS | 7.5 F | Laser | Wilhelm et al. [13] | Mini-PCNL | 10 and 14 | PTFE dilators/Amplatz | 13 F | Laser | RIRS | 7/8 | UAS | — | Laser | Pan et al. [14] | Mini-PCNL | 18 | Amplatz | 14 F | Laser | RIRS | 12 | UAS | Olympus P3 or P5 | Laser | Kirac et al. [15] | Mini-PCNL | 20 | Amplatz | 15–16.5 F | Pneumatic or ultrasound energy | RIRS | 9.5/11.5 or 12/14 | UAS | 8 or 9.5 F, | Laser | Kumar et al. [16] | Mini-PCNL | 18 | gauge needle | 15 F | Pneumatic | RIRS | 12 | UAS | 8/9.8 F | Laser | Sabnis et al. [17] | Mini-PCNL | 16–19 | 22-gauge Skinny Needle | 15/18 F and 16.5/19.5 F | Laser | RIRS | 14 | UAS | 7.5-F Flex X–2 | Laser | Kruck et al. [18] | Mini-PCNL | 16–18 | Metal | 12 F | Ultrasound | RIRS | — | Fascial dilator | Flex-X/Flex-X2 | Laser | Hu et al. [19] | mPCNL | 16–20 | Fascial dilator | 8/9.8 F | Laser | RIRS | 12/14 | UAS | Flex-X2 | Laser | Zeng et al. [20] | Mini-PCNL | 18 | Fascial dilators | — | Laser and pneumatic | RIRS | 12/14 | UAS | 7.5 F | Laser | Zhang et al. [21] | Mini-PCNL | 18–20 | facial dilators | 8.6/9.8 F | Laser and pneumatic | RIRS | 12/14 | UAS | 5.3–8.4 F | Laser | Gu et al. [22] | Mini-PCNL | 12/18 | Fascial dilators | 8.5/9.8 F | Laser | RIRS | — | UAS | 7.4 F | Laser | Knoll et al. [23] | Mini-PCNL | 18 | Amplatz | 14 F | Laser | RIRS | 12/14 | — | — | Laser |
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Mini-PCNL = minimally invasive percutaneous nephrolithotomy; RIRS = retrograde intrarenal surgery; UAS = ureteral access sheath placement.
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