| Comparative Effects of Laryngeal Mask Airway Removal and Tracheal Extubation on Intraocular Pressure during Emergence from Propofol Anesthesia. |
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Dae Hyun Jo, Choon Kun Chung, Myung Hee Kim |
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Department of Anesthesiology, College of Medicine, Inha University, Inha General Hospital, Sungnam, and Pochon CHA University, Seoul, Korea. |
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| Abstract |
BACKGROUND
It is important to control the intraocular pressure (IOP) during ophthalmic surgery. The emergence from the anesthesia is another challenging period to control the IOP.
METHODS
The authors have compared IOP, blood pressure (BP) and heart rate (HR) with the removal of laryngeal mask airway (LMA-R) or tracheal extubation (ET) during the emergence from the propofol anesthesia. All data were recorded in the operating room upon arrival (Phase 1), just before the LMA-R or ET (Phase 2), immediately after (Phase 3), and 3 minutes (Phase 4) after the LMA-R or ET.
RESULTS
The IOP with the LMA-R was significantly lower at Phase 2 and Phase 3 than that with the ET. The changes of the IOP between Phases 1 and 2, and 3 and 4 was insignificant in LMA-R but significant in ET. The differences in BP and HR were not significant between LMA-R and ET.
CONCLUSIONS
The LMA-R offers advantages over ET for ophthalmic surgery in respect to the changes in IOP during the emergence of propofol anesthesia. |
| Key Words:
Airway, extubation, laryngeal mask removal; Anesthetics, propofol; Monitor, intraocular pressure |
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