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Volume 58
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Article

Effects of Positive End-Expiratory Pressure on Intraocular Pressure during One-Lung Ventilation in the Lateral Decubitus Position—A Prospective Randomized Trial

by
Yong Shin Kim
1,
Kwon Hui Seo
2,*,
Yeon Soo Jeon
1,
Jang Hyeok In
1,
Hong Soo Jung
1,
Yoo Jung Park
1,
Eun Hwa Jun
1 and
Eunju Yu
1
1
Department of Anesthesiology and Pain Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon 16247, Korea
2
Department of Anesthesiology and Pain Medicine, Hallym University Sacred Heart Hospital, Hallym University School of Medicine, Anyang 14068, Korea
*
Author to whom correspondence should be addressed.
Medicina 2022, 58(7), 940; https://doi.org/10.3390/medicina58070940
Submission received: 10 June 2022 / Revised: 13 July 2022 / Accepted: 13 July 2022 / Published: 15 July 2022
(This article belongs to the Section Ophthalmology)
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Abstract

Background and Objectives: The effect of positive end-expiratory pressure (PEEP) on intraocular pressure (IOP) is debatable. There have been no studies investigating the effects of PEEP on IOP during one-lung ventilation (OLV). We aimed to investigate the effects of PEEP on IOP in patients undergoing OLV for video-assisted thoracoscopic surgery (VATs). Materials and Methods: Fifty-two patients undergoing VATs were divided into a zero-PEEP (ZEEP) and a 6 cmH2O of PEEP (PEEP) groups. IOP, ocular perfusion pressure (OPP), and respiratory and hemodynamic parameters were measured before induction (T1), immediately following endotracheal intubation (T2), 30 min (T3) and 60 min (T4) after a position change to the lateral decubitus position (LDP) and OLV, and 10 min following two-lung ventilation near the end of the surgery (T5). Results: There was no significant difference in IOP and OPP between the two groups. The IOP of the dependent eye was significantly higher than that of the non-dependent eye during LDP in both groups. Peak inspiratory pressure was significantly higher in the PEEP group than in the ZEEP group at T3–T5. Dynamic compliance was significantly higher in the PEEP group than in the ZEEP group at T2–T5. The ratio of arterial oxygen partial pressure to fractional inspired oxygen was significantly higher in the PEEP group than in the ZEEP group at T4. Conclusions: Applying 6 cmH2O of PEEP did not increase IOP but enhanced dynamic compliance and oxygenation during OLV. These results suggest that 6 cmH2O of PEEP can be safely applied during OLV in LDP.
Keywords: intraocular pressure; lateral decubitus position; ocular perfusion pressure; one-lung ventilation; positive end expiratory pressure; thoracoscopy intraocular pressure; lateral decubitus position; ocular perfusion pressure; one-lung ventilation; positive end expiratory pressure; thoracoscopy

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MDPI and ACS Style

Kim, Y.S.; Seo, K.H.; Jeon, Y.S.; In, J.H.; Jung, H.S.; Park, Y.J.; Jun, E.H.; Yu, E. Effects of Positive End-Expiratory Pressure on Intraocular Pressure during One-Lung Ventilation in the Lateral Decubitus Position—A Prospective Randomized Trial. Medicina 2022, 58, 940. https://doi.org/10.3390/medicina58070940

AMA Style

Kim YS, Seo KH, Jeon YS, In JH, Jung HS, Park YJ, Jun EH, Yu E. Effects of Positive End-Expiratory Pressure on Intraocular Pressure during One-Lung Ventilation in the Lateral Decubitus Position—A Prospective Randomized Trial. Medicina. 2022; 58(7):940. https://doi.org/10.3390/medicina58070940

Chicago/Turabian Style

Kim, Yong Shin, Kwon Hui Seo, Yeon Soo Jeon, Jang Hyeok In, Hong Soo Jung, Yoo Jung Park, Eun Hwa Jun, and Eunju Yu. 2022. "Effects of Positive End-Expiratory Pressure on Intraocular Pressure during One-Lung Ventilation in the Lateral Decubitus Position—A Prospective Randomized Trial" Medicina 58, no. 7: 940. https://doi.org/10.3390/medicina58070940

APA Style

Kim, Y. S., Seo, K. H., Jeon, Y. S., In, J. H., Jung, H. S., Park, Y. J., Jun, E. H., & Yu, E. (2022). Effects of Positive End-Expiratory Pressure on Intraocular Pressure during One-Lung Ventilation in the Lateral Decubitus Position—A Prospective Randomized Trial. Medicina, 58(7), 940. https://doi.org/10.3390/medicina58070940

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