Intraocular Pressure Changes after Spinal Anesthesia: Acute and Subacute Effects
Ruslan Abdullayev1, Hamit Sinan Hatipoğlu2, Ömer Burak Küçükebe1, Mete Güler3, Filiz Hatipoğlu4, Ali Hakim Reyhan3, Bülent Çelik5
1Adiyaman Universtiy Research and Educational Hospital, Department of Anesthesiology and Reanimation, Adiyaman, Turkey
2Adiyaman Universtiy Research and Educational Hospital, Department of General Surgery, Adiyaman, Turkey
3Adiyaman Universtiy Research and Educational Hospital, Department of Ophtalmology, Adiyaman, Turkey
4Adiyaman Universtiy Research and Educational Hospital, Department of Obstetrics and Gynecology, Adiyaman, Turkey
5Gazi University Faculty of Sciences, Depatment of Biostatistics, Ankara, Turkey
OBJECTIVES: Spinal anesthesia has become appropriate for many surgical procedures. Neuraxial anesthesia can result in acute and late complications like hypotension, bradycardia, local anesthetic toxicity, postdural puncture headache, backache, spinal nerve damages. Although body’s physiological responses to spinal anesthesia are well-understood, it hasn’t been mentioned about its effects on intraocular pressure (IOP) before. The aim of this study was to investigate possible effects of spinal anesthesia on IOP. MATERIAL-METHODS: Forty patients receiving spinal anesthesia for subumblical surgery were recruited for the study, after ethics committee approval and patients’ written informed consent. IOP was measured by Icare PRO tonometer (Icare, Finland) before spinal anesthesia (BS), immediately after spinal anesthesia (AS) and finally at the first postoperative day (PO1). Both eyes of the patients were participated in the study. RESULTS: Thirty eight patients had completed the study. Mean BS, AS and PO1 intraocular pressures were 16.53 ± 3.17 (9.40 - 24.00), 17.08 ± 3.16 (10.00 - 24.00) and 16.76 ± 2.80 (10.20 - 23.00) mmHg, respectively. Mean IOP measurements were not statistically different among the three groups (P = 0.104). CONCLUSION: Spinal anesthesia alone has no acute and subacute effects on IOP. Studies can be made to evaluate chronic effects. Further studies must be focused on the relationship between postdural puncture headache and intraocular pressure changes after spinal anesthesia.
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