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A single-centre, triple-blinded, randomised clinical trial was conducted with 98 patients undergoing RARP, who were assigned to either standard Pnp of 12 mmHg or low Pnp of 7 mmHg. The primary outcome was urinary neutrophil gelatinase-associated lipocalin (u-NGAL), and several other kidney injury biomarkers were assessed as secondary outcomes. Acute kidney injury (AKI) was evaluated using the Kidney Disease Improving Global Outcomes (KDIGO) criteria, the gold standard method for defining AKI. The trial was registered on ClinicalTrials.gov (NCT04755452). Patients in the low Pnp group had significantly lower levels of u-NGAL (mean difference \u2212\u00a039.9, 95% CI \u2212\u00a073.7 to \u2212\u00a06.1, <jats:italic>p<\/jats:italic>\u2009=\u20090.02) compared to the standard Pnp group. No significant differences were observed for other urinary biomarkers. Interestingly, there was a significant difference in intraoperative urine production between the groups (low Pnp median: 200 mL, IQR: 100\u2013325 vs. standard Pnp median: 100 mL, IQR: 50\u2013200, <jats:italic>p<\/jats:italic>\u2009=\u20090.01). Similarly, total postoperative urine production also varied significantly (low Pnp median: 1325 mL, IQR: 1025\u20131800 vs. standard Pnp median: 1000 mL, IQR: 850\u20131287, <jats:italic>p<\/jats:italic>\u2009=\u20090.001). The occurrence of AKI, as defined by the KDIGO criteria, did not differ significantly between the groups. Low Pnp during RARP resulted in lower u-NGAL levels, suggesting a potential benefit in terms of reduced renal injury. However, the lack of a notable difference in AKI as defined by the KDIGO criteria indicates that the clinical significance of this finding may be limited. Further research is needed to validate and expand on these results, ultimately defining the optimal Pnp strategy for RARP and improving patient outcomes.<\/jats:p>","DOI":"10.1007\/s11701-023-01744-2","type":"journal-article","created":{"date-parts":[[2024,1,17]],"date-time":"2024-01-17T12:02:16Z","timestamp":1705492936000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Impact of low pneumoperitoneum on renal function and acute kidney injury biomarkers during robot-assisted radical prostatectomy (RARP): a randomised clinical trial"],"prefix":"10.1007","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2170-3771","authenticated-orcid":false,"given":"Hayder","family":"Alhusseinawi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lotte","family":"Sander","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aase","family":"Handberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rikke W.","family":"Rasmussen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pernille S.","family":"Kingo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J\u00f8rgen B.","family":"Jensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sten","family":"Rasmussen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,1,17]]},"reference":[{"key":"1744_CR1","first-page":"1","volume":"13","author":"A Naito","year":"2020","unstructured":"Naito A, Taguchi S, Suzuki M et al (2020) Transient acute kidney injury observed immediately after robot-assisted radical prostatectomy but not after open radical prostatectomy. 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