Retrospective analysis of translaminar, demographic, and physiologic parameters in relation to papilledema severity.
Some case reports suggest that the translaminar pressure difference is important in cases of papilledema. The purpose of this study was to determine ocular, physiologic, and demographic factors associated with papilledema severity.Retrospective, blinded study.Patients who had undergone a diagnostic lumbar puncture and had a diagnosis of papilledema in conjunction with idiopathic intracranial hypertension between 2004 and 2012 were included in the study. One-hundred and fifty-one patients were identified in initial screening. Sixty of 151 patients met all inclusion criteria, and 120 eyes were eligible for investigation.A retrospective review of optic nerve photographs by 2 masked experts was used to grade papilledema severity using the Modified Frisén Scale (MFS). Patients with any systemic or neurologic disease that could affect cerebrospinal fluid pressure (CSFP) were excluded. Patients on acetazolamide were excluded. Assessments within 1 MFS grade were averaged and correlated to intraocular pressure, CSFP, translaminar pressure differential, MFS, age, weight, height, and systolic and diastolic blood pressure.In univariate and multivariate type 3 generalized estimating equation analyses, only age (Z = -2.70; p < 0.01) and sex (Z = 2.81; p < 0.0001) were significantly correlated with MFS.Papilledema severity decreased with advancing age and was higher for female sex. We found no association between severity of papilledema and CSFP, intraocular pressure, blood pressure, or any other physiologic parameter. Factors other than the translaminar pressure differential may be important in determining the severity of papilledema.
Fleischman, D; Perry, JT; Rand Allingham, R; Stinnett, SS; Fleischman, GM; Givre, SJ; Chesnutt, DA
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