J Korean Ophthalmol Soc > Volume 59(8); 2018 > Article
Journal of the Korean Ophthalmological Society 2018;59(8):773-778.
DOI: https://doi.org/10.3341/jkos.2018.59.8.773    Published online August 15, 2018.
The Incidence and Risk Factors for Ocular Hypertension in Traumatic Hyphema.
Moon Kyeong Shin, Ji Young Suh, Sang Wook Jin
Department of Ophthalmology, Dong-A University College of Medicine, Busan, Korea. swjin@dau.ac.kr
외상 전방출혈 환자에서 고안압증의 발생률과 위험인자
동아대학교 의과대학 안과학교실
Correspondence:  Sang Wook Jin,
Email: swjin@dau.ac.kr
Received: 29 March 2018   • Revised: 14 May 2018   • Accepted: 27 July 2018
To evaluate the incidence and risk factors for ocular hypertension (OHT) in traumatic hyphema within 7 days after trauma. METHODS: A retrospective case series study of 265 traumatic hyphema inpatients from 2010–2016. OHT was defined as intraocular pressure (IOP) that exceeded 21 mmHg using two consecutive measurements by a Goldmann applanation tonometer within 7 days after trauma. The subjects were divided into two groups (OHT group and non-OHT group). Age, sex, best-corrected visual acuity (BCVA), IOP, hyphema grade, presence of systemic disease, and past history of glaucoma were compared between the two groups. RESULTS: Of the 265 patients, 95 (35.8%) developed OHT after traumatic hyphema. Of those 95 patients, 70 (73.7%) developed OHT within 1 day after trauma; 18 (18.9%) developed OHT 2–3 days after trauma; and 7 (7.4%) developed OHT 4–7 days after trauma. Compared to the non-OHT group, the OHT group had a lower visual acuity (p = 0.018) and higher IOP (p < 0.001). In addition. if the hyphema grade was higher the incidence of OHT was significantly higher (p = 0.017). Using multivariate logistic regression analysis, the BCVA (p = 0.045) and hyphema grade (p = 0.006) were associated with the incidence of OHT in traumatic hyphema within 7 days after trauma. CONCLUSIONS: The incidence of OHT in traumatic hyphema within 7 days after trauma was 35.8%. The BCVA and hyphema grade were associated with the incidence of OHT within 7 days after trauma.
Key Words: Intraocular pressure;Risk factor;Traumatic hyphema

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