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Biomedical subjects

S A Teich

Publications and source records attributed to S A Teich.

24 records · Page 2Linked to original sources

Horner's syndrome secondary to Swan-Ganz catheterization.

A preganglionic Horner's syndrome developed shortly after ipsilateral percutaneous insertion of a Swan-Ganz catheter in the internal jugular vein for management of pulmonary edema. There were no other neurologic findings nor evidence of mass lesions in the neck or pulmonary apex. This is believed to be the first reported case of Horner's syndrome complicating Swan-Ganz catheterization, which may occur more commonly than is generally appreciated.

Aged↗

A grading system for iris neovascularization. Prognostic implications for treatment.

A retrospective study of 34 eyes of 30 patients who had neovascularization of the anterior segment and who received panretinal photocoagulation (PRP) and/or panretinal cryotherapy was performed. The eyes were all classified preoperatively and postoperatively as to the grade of neovascularization of the iris and the anterior chamber angle according to the system devised by Weiss and Gold. The grading system of Weiss and Gold was useful in predicting the response to treatment of iris neovascularization. Almost all eyes in angle grades 0 through 2 did well. Eyes with angle grade 3 had an intermediate response. Eyes in angle grade 4 almost uniformly did poorly. Eyes with iris neovascularization secondary to central retinal vein occlusion (CRVO) or hemiretinal branch vein occlusion (HBVO) had a more rapidly progressive disease than that of eyes with rubeosis secondary to diabetes alone. The patients with the most advanced rubeosis initially, however, were those diabetics with ischemic-type CRVO.

Adolescent↗

Acquired immunodeficiency syndrome (AIDS).

The Acquired Immunodeficiency Syndrome (AIDS), caused by the human immunodeficiency virus (HIV), also called the human T-lymphotropic virus type III/lymphadenopathy-associated virus [HTLV-III/LAV], has affected over 23,000 people; more than half of those with the disease have died. The actual case fatality rate approaches 100%. AIDS affects all groups and classes of people, although some are at special risk. Distribution of the disease is worldwide. The illness' effects on the body are widespread; of special interest are the ophthalmologic manifestations. The eye may be infected by various viruses (cytomegalovirus, varicella-zoster virus, herpes simplex virus or HIV itself), toxoplasma gondii, candida sp, cryptococcus neoformans, M. tuberculosis, or M. avium-intracellulare. Kaposi's sarcoma may affect the eye as well. Retinal vascular abnormalities (e.g., cotton-wool spots, vasculitis) are not uncommon in AIDS. The syndrome may present with neuro-ophthalmologic manifestations. No effective treatment for the illness is currently available, although several hold promise and there is hope for an AIDS vaccine. Prevention of infection through reduction of risks appears to be the only defense against AIDS at this time.

Acquired Immunodeficiency Syndrome↗

Systemic antiviral drugs used in ophthalmology.

Over the past two decades, the recognition of viral enzymes and proteins that can serve as molecular targets of drugs has revolutionized the treatment of viral infections. Beginning with acyclovir, a number of systemically administered agents which are both relatively safe and effective for the treatment of herpetic infections and human immunodeficiency virus (HIV) infections have become widely available. Because of increased numbers of herpes virus infections, as well as the rising epidemic of HIV infections, the ophthalmologist is, more likely than ever before to be involved in the treatment of severe and frequent ocular infections caused by herpes viruses. In addition, the acute retinal necrosis (ARN) syndrome has been demonstrated to be caused by herpes viruses and a once rare retinal infection caused by cytomegalovirus is common in patients with the acquired immunodeficiency syndrome (AIDS). In this article, four systemic antiviral drugs (Vidarabine, Acyclovir, Ganciclovir, and Foscarnet) that have demonstrated usefulness in the treatment of ophthalmic disease are reviewed in detail with regard to their mechanisms, applications, effectiveness, and side effects.

Acquired Immunodeficiency Syndrome↗