• Y C Robert, P W Dekker, U Battig, O R Kochli, and E Alon.
• University Eye Department Nord II, University of Zurich, Switzerland.
• J Am Assoc Gynecol Laparosc. 1998 May 1; 5 (2): 125-8.

UnlabelledSTUDY OBJECTIVE. To determine the effect of different positional degrees on hemodynamics, especially central venous pressure and intraocular pressure, and a possible interrelationship, during laparoscopic surgery. SETTING. University teaching hospital (Canadian Task Force classification II-1).PatientsSeven women undergoing elective gynecologic laparoscopy.InterventionsThe women were monitored for heart rate, partial pressure of oxygen, end-tidal carbon dioxide, arterial blood pressure, central venous pressure, end-tidal isoflurane concentration, and intraocular pressure in several body positions during general anesthesia.Measurements And Main ResultsIntraocular pressure depends on body position (r2 = 0.58) related to central venous pressure (r2 = 0.7). Heart rate and arterial blood pressure are also dependent on the body position, but to a lesser degree.ConclusionContinuous monitoring of intraocular pressure may help detect alterations in central venous pressure during general anesthesia for laparoscopic surgery. Undesirable alterations caused by degree of Trendelenburg position may negatively affect patients with high cardiac or ophthalmic risk.

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