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Effects of positive end-expiratory pressure on intraocular pressure and optic nerve sheath diameter in robot-assisted laparoscopic radical prostatectomy: A randomized, clinical trial

Authors
 Ann Hee You  ;  Young Song  ;  Do-Hyeong Kim  ;  Jiwoo Suh  ;  Ji Won Baek  ;  Dong Woo Han 
Citation
 MEDICINE, Vol.98(14) : e15051, 2019 
Journal Title
MEDICINE
ISSN
 0025-7974 
Issue Date
2019
MeSH
Aged ; Carbon Dioxide/administration & dosage ; Head-Down Tilt ; Humans ; Intracranial Pressure ; Intraocular Pressure* ; Laparoscopy/methods ; Male ; Middle Aged ; Myelin Sheath* ; Optic Nerve/anatomy & histology* ; Pneumoperitoneum, Artificial/methods* ; Positive-Pressure Respiration/adverse effects ; Positive-Pressure Respiration/methods* ; Prostatectomy/methods* ; Robotic Surgical Procedures
Abstract
BACKGROUND: There has been no study of the effect of post end-expiratory pressure (PEEP) on intraocular or intracranial pressure during pneumoperitoneum with steep Trendelenburg positioning. We investigated the effects of 5 cmH2O of PEEP on intraocular pressure and optic nerve sheath diameter as a surrogate for intracranial pressure in robot-assisted laparoscopic radical prostatectomy.

METHODS: Fifty patients scheduled for robot-assisted laparoscopic radical prostatectomy were divided into a zero-PEEP (ZEEP) group and a 5 cmH2O of PEEP (PEEP) group. Intraocular pressure, optic nerve sheath diameter, and respiratory and hemodynamic parameters were measured before induction (T0), 10 minutes after induction of general anesthesia in the supine position before CO2 insufflation (T1), 5 minutes (T2), and 30 minutes (T3) after steep Trendelenburg positioning with pneumoperitoneum, after desufflation of pneumoperitoneum in the supine position (T4), and after 30 minutes in the recovery room postoperatively (T5).

RESULTS: There was no significant difference in intraocular pressure or optic nerve sheath diameter between the groups during the study. The partial pressure of arterial oxygen and dynamic lung compliance at T1, T2, T3, and T4 were significantly higher in the PEEP than in the ZEEP group. There was no difference in mean arterial pressure or heart rate between groups at any time.

CONCLUSION: Applying 5 cmH2O of PEEP did not increase intraocular pressure or optic nerve sheath diameter during pneumoperitoneum with steep Trendelenburg positioning in robot-assisted laparoscopic radical prostatectomy. These results suggest that low PEEP can be safely applied during surgery with pneumoperitoneum and steep Trendelenburg positioning in patients without preexisting eye disease and brain pathology.
Files in This Item:
T201901065.pdf Download
DOI
10.1097/MD.0000000000015051
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Do Hyeong(김도형) ORCID logo https://orcid.org/0000-0003-2018-8090
Song, Young(송영) ORCID logo https://orcid.org/0000-0003-4597-387X
Han, Dong Woo(한동우) ORCID logo https://orcid.org/0000-0002-8757-663X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/169530
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