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ABSTRACT Background: Success rates in endourological procedures, notably percutaneous nephrolithotomy (PCNL) and ureteroscopy (URS), have demonstrated suboptimal outcomes, leading to more reinterventions and radiation exposure. Recently, the use of intraoperative computed tomography (ICT) scans has been hypothesized as a promising solution for improving outcomes in endourology procedures. With this considered, we conducted a comprehensive systematic review and meta-analysis encompassing all available studies that evaluate the impact of the use of intraoperative CT scans on surgical outcomes compared to conventional fluoroscopic-guided procedures. Methods: This systematic review was conducted in accordance with PRISMA guidelines. Multiple databases were systematically searched up to December of 2023. This study aimed to directly compare the use of an ICT scan with the standard non-ICT-guided procedure. The primary endpoint of interest was success rate, and the secondary endpoints were complications and reintervention rates, while radiation exposure was also evaluated. Data extraction and quality assessment were performed following Cochrane recommendations. Data was presented as an Odds ratio with 95%CI across trials and a random-effects model was selected for pooling of data. Results: A comprehensive search yielded 533 studies, resulting in the selection of 3 cohorts including 327 patients (103 ICT vs 224 in non-ICT). Primary outcome was significantly higher in the experimental group versus the control group (84.5% vs 41.4% respectively, 307 patients; 95% CI [3.61, 12.72]; p<0.00001; I2=0). Reintervention rates also decreased from 32.6% in the control to 12.6% in the ICT group (OR 0.34; 95%CI [0.12,0.94]; p =0.04; I2= 48%), whereas complication rates did not exhibit significant differences. Radiation exposure was also significantly reduced in two of the included studies. Conclusion: This meta-analysis highlights a favorable outcome with intraoperative CT scan use in PCNL procedures, showing a considerable increase in SFR when compared to standard fluoroscopy and nephroscopy. Despite limited studies, our synthesis underscores the potential of ICT scans to significantly reduce residual stones and their consequences for endourology patients, as reinterventions and follow-up ionizing radiation studies. Background procedures (PCNL URS, URS , (URS) Recently (ICT considered metaanalysis meta analysis fluoroscopicguided fluoroscopic guided Methods guidelines 2023 nonICTguided non procedure rate evaluated recommendations 95CI 95 randomeffects random effects data Results 53 32 103 (10 22 nonICT. nonICT . non-ICT) 84.5% 845 84 5 (84.5 414 41 4 41.4 respectively 30 3.61, 361 61 [3.61 12.72 1272 12 72 12.72] p<0.00001 p000001 0 00001 I2=0. I20 I I2=0 I2 I2=0) 326 6 32.6 126 12.6 OR 0.34 034 34 0.12,0.94 012094 94 [0.12,0.94] =0.04 004 04 48%, 48 48% 48%) differences Conclusion nephroscopy followup follow (URS 202 9 10 (1 2 non-ICT 84.5 8 (84. 41. 3.61 36 [3.6 12.7 127 1 7 p<0.0000 p00000 0000 32. 12. 0.3 03 0.12,0.9 01209 [0.12,0.94 =0.0 00 20 ( 84. (84 3.6 [3. p<0.000 p0000 000 0. 0.12,0. 0120 [0.12,0.9 =0. (8 3. [3 p<0.00 p000 0.12,0 012 [0.12,0. =0 [ p<0.0 p00 0.12, 01 [0.12,0 = p<0. p0 0.12 [0.12, p<0 0.1 [0.12 p< [0.1 [0. [0