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- Title
Acute Effect Of Spinal Anesthesia On Intraocular Pressure.
- Authors
ŞEKERYAPAN, Berrak; BOSTAN, Habib; TOMAK, Yakup; TÜRKYILMAZ, Kemal; ÖNER, Veysi; DURMUŞ, Mustafa
- Abstract
Purpose: The aim of this study was to evaluate the acute effect of spinal anesthesia on intraocular pressure (IOP) in supine positioned patients underwent lower extremity surgery. Materials and Methods: IOP was measured in all patients with Tono-Pen XL before and 20 minutes after spinal anesthesia application. Monitorization of blood pressure, peripheral oxygen saturation and electrocardiogram was initiated before spinal anesthesia and repeated at every 5 minutes during surgery and mean systemic arterial pressure measurement was recorded at the same time with IOP measurement. IOP and mean arterial pressure changes were evaluated with t test. Results: There were ninety-eight eyes of 49 patients. The mean intraocular pressure was 18.6±2.8 mmHg before anesthesia. Twenty minutes after spinal anesthesia application, the mean IOP was reduced to 15.7±2.9 mmHg (p<0.05). The mean systemic arterial pressure was 109.5±16.8 mmHg before anesthesia. Twenty minutes after, the mean systemic arterial pressure was measured as 91.6±15.3 mmHg (p<0.05). Conclusion: Spinal anesthesia seems to significantly decrease intraocular pressure in patients under supine positioned. Hypotension side-effect may have a role in this decrease.
- Subjects
INTRAOCULAR pressure; ANESTHESIA; BLOOD pressure; ELECTROCARDIOGRAPHY; SUPINE position; SPINAL anesthesia
- Publication
Journal of Glaucoma-Cataract / Glokom-Katarakt, 2013, Vol 8, Issue 3, p185
- ISSN
1305-9173
- Publication type
Article