Trendelenburg positioning during surgery can substantially affect cerebral and intraocular pressure (IOP). In a prospective randomized study, Raz et al. showed that modifying the TP for patients undergoing robot-assisted laparoscopic prostatectomy-by placing the head and shoulders horizontally-lowered the IOP and accelerated its recovery to normal range, without affecting the operation.
References
Raz, O. et al. The effect of “Modified Z” Trendelenburg positioning on intra-ocular pressure, during robotic assisted laparoscopic radical prostatectomy—a randomized control study. J. Urol. 10.1016/j.juro.2014.10.094
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Modified Trendeleburg position improves patient safety. Nat Rev Urol 12, 3 (2015). https://doi.org/10.1038/nrurol.2014.312
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DOI: https://doi.org/10.1038/nrurol.2014.312
