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Biomedical subjects

R Fiscella

Publications and source records attributed to R Fiscella.

41 records · Page 3Linked to original sources
PubMed1984

Evaluation of intravitreal 5-fluorouracil, vincristine, VP 16, doxorubicin, and thiotepa in primate eyes.

A single intravitreal dose of 750 micrograms 5 fluorouracil (5 FU) or 5 micrograms doxorubicin were nontoxic to primate eyes. A concentration of 250 micrograms/ml of 5 FU in the vitrectomy infusion fluid in combination with 8 micrograms/ml of thiotepa, with 40 micrograms/ml of VP16 (etoposide), or with either .04 or .02 microgram/ml of vincristine was also well tolerated by the primate eye. 5 micrograms/ml of doxorubicin in the vitrectomy infusion fluid did not cause apparent toxicity to the retina. Toxic effects were noted in eyes receiving 250 micrograms of 5 FU in combination with either .15 or .1 microgram/ml of vincristine.

Animals↗
PubMed1984

Toxicity of intravitreal antiviral drugs.

Two systemic agents, vidarabine and acyclovir, were tested for ocular toxicity in intravitreal injection and vitrectomy infusion solutions. On the basis of this study we recommend using up to 30 mcg/0.1 ml of vidarabine as an intraocular injection or 8 to 16 mcg/ml in vitrectomy infusion fluid. For acyclovir, 80 mcg/0.1 ml as an intraocular injection or 40 mcg/ml in vitrectomy infusion fluid may be a therapeutic adjunct for managing viral retinitis.

Acyclovir↗
PubMedDate not supplied

A new look at dry eye disease and its treatment.

This review examines the impact of moderate to severe dry eye disease on daily life and medical-resource utilization. The results suggest that current treatment paradigms can lead to unacceptable costs in both quality of life and progressive use of healthcare resources. Evidence linking this disease to T-cell-mediated inflammatory processes lays the foundation for understanding the clinical benefits of topical cyclosporine, an immunomodulatory and anti-inflammatory agent.

Adult↗
PubMedDate not supplied

Preparation of pH-adjusted local anesthetics.

Characteristics of alkalinized local anesthetics are poorly described with regard to stability and precipitation. Current fixed-volume methods of alkalinization often result in unstable, precipitated solutions of unpredictable pH. We determined a stable, nonprecipitating, anesthetic mixture and used it in a randomized double-blind crossover study of 21 patients to evaluate alkalinized anesthetic solutions in reducing pain on injection. Our solution significantly reduced pain associated with retrobulbar injection (analysis of variance, P = .0362) but not that associated with Nadbath injection. Fixed-volume alkalinization is not recommended because complications can result with the use of precipitated anesthetics.

Anesthesia, Local↗