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Analysis of Postoperative Outcomes in Patients with Intermittent Exotropia According to Preoperative Change of Angle of Deviation

Korean Journal of Ophthalmology 2021년 35권 2호 p.130 ~ 135
홍수지, 하석규, 서영우, 김성현,
소속 상세정보
홍수지 ( Hong Su-Ji ) - Korea University College of Medicine Department of Ophthalmology
하석규 ( Ha Suk-Gyu ) - Korea University College of Medicine Department of Ophthalmology
서영우 ( Seo Young-Woo ) - Korea University College of Medicine Department of Ophthalmology
김성현 ( Kim Sung-Hyun ) - Korea University College of Medicine Department of Ophthalmology

Abstract


Purpose: The correlation between the existence of the preoperative condition of ≥10 prism diopters (PD) in patients with basic type of intermittent exotropia (IXT) and postoperative outcomes was analyzed.

Methods: The medical records of patients that underwent surgery for IXT were analyzed retrospectively. The analysis was conducted by dividing the patients into a group with change of <10 PD (group 1) and ≥10 PD (group 2) before the time of the surgery. Patients who received at least 6 months of follow-up after surgery were included. The age, sex, angle of deviation and stereoacuity of the patients were studied. Surgical success was defined as exodeviation of <10 PD or esodeviation of <4 PD at the final visit after the surgery. The correlation between clinical factors and surgical success rate was analyzed by using correlative analysis.

Results: A total of 129 patients participated in the study. There were 108 (83.7%) and 21 (16.3%) patients in groups 1 and 2, respectively. There were 89 (82.4%) and 17 (80.1%) patients with surgical successes in groups 1 and 2, respectively (p = 0.18). Moreover, 13 (12.0%) patients in group 1 and three (14.3%) patients in group 2 required reoperation, showing no significant difference (p = 0.12). There was no statistically significant correlation between surgical success and preoperative change of angle of deviation <10 PD (odds ratio, 1.78; p = 0.17).

Conclusions: Among the patients with basic type of IXT subjected to the analysis, 16.3% had a change of ≥10 PD before surgery, and there was no significant correlation between surgical success and preoperative change of angle of deviation.

키워드

Assessment; Exotropia; General surgery; Measures

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