Lima GV, Ríos GLC

Language: Spanish
References: 16
Page: 155-159
PDF size: 56.26 Kb.

ABSTRACT

Introduction. It has been reported that up to 4% of injured eyes have ocular hypertension, usually due to hyphema; there are other causes whose association with hypertension has not been analyzed. Clinical features of eyes with ocular hypertension and its most common causes were analyzed. Method. Ocular trauma consultations (1996-2003) were evaluated; intraocular pressure (IOP), existing injuries and causes of hypertension (defined as IOP › 21 mm Hg or › 4 mm Hg greater than the opposite) were recorded. Prevalence of hypertension and its causes were determined; comparisons of IOP between different causes (Student’s t), their association with hypertension (χ²) and current prevalence with that previously reported were performed. Results. 513 eyes were evaluated, 40 had hypertension; hypertension causing injuries were uveitis (82.5%, 95% CI 70.7-94.3), hyphema (35%, 95% CI 20.2-49.7), angle recession (12.5%), and lens subluxation (2.5%); IOP showed no difference between causes. Hypertension was statistically and clinically more frequent in eyes with uveitis (p ‹ 0.001, OR 18.6 95% IC 7.8-51.4), hyphema (p ‹ 0.001, OR 5.8, 95% CI 2.6-12.8) and uveitis without hyphema (p ‹ 0.001, OR 6.5) than in the rest. Hypertension prevalence was greater than that reported (p ‹ 0.05). Discussion. Posttraumatic intraocular hypertension was associated in a descending order to uveitis, hyphema and angle recession. It would be sensible to carefully evaluate IOP in posttraumatic uveitis, because its association to hypertension was greater than that of hyphema.

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