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Biomedical subjects

H Zegarra

Publications and source records attributed to H Zegarra.

30 records · Page 2Linked to original sources
PubMed1983

Partial occlusion of the central retinal vein.

Twenty-three untreated patients (14 men and nine women ranging in age from 31 to 74 years) with partial occlusion of the central retinal vein were followed up prospectively for a minimum of 12 months. Seventeen had systemic vascular disease. At the conclusion of the study, 12 patients had visual acuities of 20/40 or better and eight had visual acuities of 20/100 or worse. Eleven patients had complete resolution of the retinopathy and had final visual acuities of 20/30 or better. Five eyes progressed to complete occlusion with final visual acuities of 20/300 or less. Seven eyes had chronic macular edema and visual acuities ranging from 20/40 to 20/200. One eye with background diabetic retinopathy developed optic disk neovascularization. None of the patients developed neovascular glaucoma.

Adult↗
PubMed1981

Sympathetic ophthalmia.

A 29-year-old woman developed severe ocular manifestations of sympathetic ophthalmia on the day after enucleation of a blind, painful eye, and four weeks after a penetrating ocular injury. She was observed for one year with fundus photography, fluorescein angiography, and electrophysiologic tests. Nystagmus, a rare systemic manifestation of sympathetic ophthalmia, was noted early in the course of her disease and was accompanied by vertigo, truncal ataxia, and cerebrospinal fluid pleocytosis. Enucleation and intensive corticosteroid treatment resolved the process; however, she has experienced recurrences in the two-year follow-up period.

Adrenal Cortex Hormones↗
PubMed1981

Localization of suspected intraocular foreign bodies with a modified Delta 2020 scanner.

Metallic foreign bodies were localized in seven patients using a modified Delta 2020 scanner. In six of these seven, we compared the localization obtained by sector CT scan with ultrasound. The two methods were found to be complementary, with the sector CT scan giving more positive and more easily interpreted localizations, and ultrasonography giving more detailed soft tissue diagnosis. The new sector CT scanner greatly raised the level of confidence in the localization of metallic foreign bodies; however, we recommend the combined use of both techniques for a complete evaluation.

Adolescent↗
PubMed1981

Macular and paramacular detachment of the neurosensory retina associated with systemic diseases.

We have reviewed 168 cases of angiographically proved SRD of the macular region of unknown etiology that were seen at The Cleveland Clinic Foundation. Thirty-seven percent of these patients had documented coincident systemic diseases. Of that group, patients with autoimmune disease appeared to have ocular symptoms during the active phase of the systemic illness. Nine cases are reported characterizing the coincidence of exacerbation of systemic disease with recurrent serous detachment of the neurosensory retina. It is our hypothesis that in patients with autoimmune disease, the choroiditis is secondary to the damage caused by immune complexes. Thus, in these patients, SRD was a manifestation of the systemic illness.

Adult↗
PubMed1980

Silicone sponge implant in combination with episcleral implant for retinal detachment surgery.

The results of retinal detachment surgery performed in 50 patients utilizing a silicone sponge episcleral implant combination placed beneath an encircling band have been reviewed. Anatomical reattachment has been achieved in 48 (95%) procedures and complications associated with this technique have been infrequent. The modification described emphasizes the stability and permanency of the sponge episcleral implant combination placed beneath the encircling band without the placement of additional buckling or anchoring sutures. This procedure is used for the treatment of communicating radial folds and fishmouth tears in primary operations or reoperations.

Adult↗
PubMed1979

The natural course of central retinal vein occlusion.

Thirty-five patients with central retinal vein occlusion had an extensive medical and laboratory evaluation to identify possible etiologic factors. We describe the natural course of the two forms of retinal venous occlusive disease, hemorrhagic retinopathy and venous stasis retinopathy, by observing a group of 25 untreated patients from one to eight years. Systemic vascular disease was most commonly associated with retinal venous occlusive disease. The visual prognosis is favorable in venous stasis retinopathy and extremely poor in hemorrhagic retinopathy. However, two of ten patients with venous stasis retinopathy developed hemorrhagic retinopathy with poor visual outcome.

Adult↗