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.

StudyTreatmentAccess sheath size, FrDilatorNephroscope sizeLithotripsy

Lee et al. [11] Mini-PCNL18Balloon15 FLaser
RIRS14/16UAS7.5 FLaser
Ozgor et al. [12]Mini-PCNL18 or 20Amplatz17 FLaser and ultrasound
RIRS19/23UAS7.5 FLaser
Wilhelm et al. [13]Mini-PCNL10 and 14PTFE dilators/Amplatz13 FLaser
RIRS7/8UASLaser
Pan et al. [14]Mini-PCNL18Amplatz14 FLaser
RIRS12UASOlympus P3 or P5Laser
Kirac et al. [15]Mini-PCNL20Amplatz15–16.5 FPneumatic or ultrasound energy
RIRS9.5/11.5 or 12/14UAS8 or 9.5 F,Laser
Kumar et al. [16]Mini-PCNL18gauge needle15 FPneumatic
RIRS12UAS8/9.8 FLaser
Sabnis et al. [17]Mini-PCNL16–1922-gauge Skinny Needle15/18 F and 16.5/19.5 FLaser
RIRS14UAS7.5-F Flex X–2Laser
Kruck et al. [18]Mini-PCNL16–18Metal12 FUltrasound
RIRSFascial dilatorFlex-X/Flex-X2Laser
Hu et al. [19]mPCNL16–20Fascial dilator8/9.8 FLaser
RIRS12/14UASFlex-X2Laser
Zeng et al. [20]Mini-PCNL18Fascial dilatorsLaser and pneumatic
RIRS12/14UAS7.5 FLaser
Zhang et al. [21]Mini-PCNL18–20facial dilators8.6/9.8 FLaser and pneumatic
RIRS12/14UAS5.3–8.4 FLaser
Gu et al. [22]Mini-PCNL12/18Fascial dilators8.5/9.8 FLaser
RIRSUAS7.4 FLaser
Knoll et al. [23]Mini-PCNL18Amplatz14 FLaser
RIRS12/14Laser

Mini-PCNL = minimally invasive percutaneous nephrolithotomy; RIRS = retrograde intrarenal surgery; UAS = ureteral access sheath placement.