To investigate the effects of positive end-expiratory pressure (PEEP) on the intracerebral pressure (ICP) and intraocular pressure (IOP) in patients undergoing robot assisted laparoscopic radical prostatectomy (RALRP)
Application of PEEPmay reduce pulmonary complication following RALRP. Meanwhile, it may increase ICP and IOP, which has been debated for decades. Moreover, Trendelenburg position and pneumoperitoneum, which are mandatory for RALRP, may augment elevation of ICP and IOP. This study aims to investigate the effects of PEEP on the ICP and IOP in patients undergoing RALRP.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
50
Application of 5cmH20 positive end expiratory pressure
No application of positive end expiratory pressure
Yonsei University Medical College Gangnam Severance Hospital
Seoul, South Korea
RECRUITINGIOP
IOP is directly assessed by measurement of IOP with the Tono-Pen AVIA®
Time frame: Changes from pre-induction (baseline) at Post-induction 5 min, Pneumoperitoneum insufflation and Trendelenburg position 5 min, Pneumoperitoneum insufflation and Trendelenburg position 30 min, Penumoperitoneum desufflation and supine position 5 min
ICP
ICP is indirectly assessed by measurement of optic nerve sheath diameter(ONSD) with the ultrasound
Time frame: Changes from pre-induction (baseline) at Post-induction 5 min, Pneumoperitoneum insufflation and Trendelenburg position 5 min, Pneumoperitoneum insufflation and Trendelenburg position 30 min, Penumoperitoneum desufflation and supine position 5 min
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