The Effect of Head Rotation on Intraocular Pressure in Prone Position: a Randomized Trial

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dc.contributor.authorDeniz, M. Nuri
dc.contributor.authorErakgun, Arzum
dc.contributor.authorSertoz, Nezih
dc.contributor.authorYilmaz, Suzan Guven
dc.contributor.authorAtes, Halil
dc.contributor.authorErhan, Elvan
dc.date.accessioned2019-10-27T21:41:24Z
dc.date.available2019-10-27T21:41:24Z
dc.date.issued2013
dc.departmentEge Üniversitesien_US
dc.description.abstractBackground and objectives: The increased intraocular pressure (IOP) - which decreases perfusion pressure on the optic nerve - increases by prone positioning (1). The aim of our study was to compare the effect of head rotation 45 degrees laterally in prone position on the increase in IOP of upper placed and lower placed eyes in patients undergoing percutaneous nephrolithotomy (PCNL). Methods: Forty-five patients were randomly divided into 2 Groups. IOP of the patients were recorded bilaterally in supine position before the operation had started. Patients were turned to prone position. The head was placed on a prone headrest without external direct compression to both eyes. Patients in Group I were kept in strictly neutral prone position where as patients in Group II were placed prone with their heads rotated 45 degrees laterally to the right side. At the end of the operation, patients were turned to supine position and their IOP was measured immediately. Results: There was no difference related to demographics, duration of surgery, blood loss and fluid input data. IOP values after surgery in prone position increased significantly compared to preoperative values in both groups (p < 0.05). After surgery in prone position IOP values of the upper positioned eyes in Group II were significantly lower than Group I and lower positioned eyes in Group II (p < 0.05). Conclusion: prone positioning increases IOP. In patients with prone position with a head rotation of 45 degrees laterally, IOP in the upper positioned eye was significantly lower. (C) 2013 Sociedade Brasileira de Anestesiologia. Published by Elsevier Editora Ltda. All rights reserved.en_US
dc.identifier.doi10.1016/S0034-7094(13)70217-4en_US
dc.identifier.endpage212en_US
dc.identifier.issn0034-7094
dc.identifier.issn1806-907X
dc.identifier.issue2en_US
dc.identifier.pmid23601263en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage209en_US
dc.identifier.urihttps://doi.org/10.1016/S0034-7094(13)70217-4
dc.identifier.urihttps://hdl.handle.net/11454/46649
dc.identifier.volume63en_US
dc.identifier.wosWOS:000330124300009en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Science Incen_US
dc.relation.ispartofRevista Brasileira De Anestesiologiaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectIntraocular Pressureen_US
dc.subjectHead Movementsen_US
dc.subjectRotationen_US
dc.subjectProne positionen_US
dc.titleThe Effect of Head Rotation on Intraocular Pressure in Prone Position: a Randomized Trialen_US
dc.typeArticleen_US

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