Session: Poster session A

What Affects The Deviation Change After Anesthesia Induction in Esotropia Patients?: Its Correlation with Age and The Surgical Success

INTRODUCTION AND PURPOSE: To compare the esotropia (ET) deviation measurements before and after anesthesia induction with a smartphone application and to evaluate the results of strabismus surgery after six months.



METHOD: The files of the patients who were operated and documented with photographs at Marmara University, Pediatric Ophthalmology and Strabismus Unit between 2020 and 2023 were retrospectively scanned. Twenty-five patients with appropriate documentation were included. Refractions, best-corrected visual acuity (BCVA) and ophthalmological examinations were noted. The deviations were measured with prisms and also by photography-based smartphone application, preoperatively, after anesthesia induction and postoperatively.



RESULTS: The study included 25 patients (13 girls,12 boys) whose mean age was 5.14 years (range 0.5-17 years). Eight patients had infantile ET, 17 had partially refractive accommodative ET. BCVA measured in patients who could express themselves were 0.6 and 0.7 (snellen), in right and left eye, respectively. Bimedial rectus recession was performed in 24 patients; lateral rectus resection and medial rectus recession was performed in one patient. The mean preoperative deviation at near and far were 43.6±12.5PD and 42.8±13.5PD, respectively. After anesthesia induction, the mean deviation was 5.1±17.0PD. The mean deviation change after anesthesia induction was 38.5±21.7PD. The deviation change was inversely correlated with the patient age(p<0.004; r=0.6). After six months, the mean deviation at near and distance were 7.2±9.9PD. The deviation change after anesthesia induction did not affect the surgical success rate.(p>0.05)



CONCLUSION: In this study, the deviation change after anesthesia induction in ET patients was found to be inversely correlated with the patient age. Meanwhile, the surgical success rate was not related to this deviation change after anesthesia induction.