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Biomedical subjects

J F McDonnell

Publications and source records attributed to J F McDonnell.

3 recordsLinked to original sources

Ocular complications of thermal injury: a 3-year retrospective.

BACKGROUND: Diagnosis and treatment of thermal ocular injuries are often delayed because facial burns are usually associated with life-threatening injuries requiring immediate intervention. The purpose of the present study is to review the diagnosis and management of ocular complications associated with thermal burns in a tertiary care burn unit. METHODS: In this retrospective study, the charts of patients admitted to the Loyola University Medical Center Burn Unit between January 1993 and January 1996 were reviewed. RESULTS: Of the 1,461 patients who were admitted to the burn unit during that period, 155 (10.6%) required ophthalmic consultation. Sixty-one patients (4.2%) had ocular injury, the most common type being periorbital burn and edema followed by corneal involvement. Thirty-one of the 61 patients (51%) received consultation on the day of admission. Six of the 61 patients (10%) required surgical intervention. There was no correlation between number of days to consultation and need for surgical intervention. Patients requiring surgery were more likely to have suffered third-degree burns. CONCLUSION: Because it is difficult to predict which patients suffering from thermal burns involving the eyes will require surgical intervention, ophthalmic consultation should be sought early.

Adolescent↗

Spontaneous dural cavernous sinus fistula in a child.

We describe the clinical course of a 9-year-old boy in whom a spontaneous dural cavernous sinus fistula developed. The patient initially presented with proptosis and conjunctival congestion believed to be caused by a cavernous sinus hemangioma and was prescribed oral prednisone. He subsequently developed pain, increased proptosis, and decreased vision. Emergent angiography revealed a dural cavernous sinus fistula, which was successfully embolized. This is the first case to our knowledge of a dural cavernous sinus fistula in a noninfant child that was treated successfully with embolization during angiography.

Cavernous Sinus↗

Bilateral peripheral ulcerative keratitis associated with pyoderma gangrenosum.

PURPOSE: A 37-year-old Hispanic man with a history of chronic myelogenous leukemia was first seen with fever and preseptal cellulitis of this right orbit after a tooth extraction. METHODS: The patient subsequently developed bilateral, severe peripheral ulcerative keratitis. He was treated with systemic antibiotics for a presumed underlying infectious cause. Several painful, necrotizing skin lesions developed over his face, trunk, and extremities. RESULTS: Repeated skin biopsies of the necrotizing lesions were consistent with pyoderma gangrenosum. Both the skin lesions and peripheral ulcerative keratitis responded dramatically to systemic prednisone. CONCLUSIONS: Pyoderma gangrenosum should be included in the differential diagnosis of peripheral ulcerative keratitis.

Adult↗