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Biomedical subjects

S D Saglio

Publications and source records attributed to S D Saglio.

4 recordsLinked to original sources

HIV infection in women: an escalating health concern.

The proportion of women infected with the human immunodeficiency virus (HIV) continues to increase. Over one-half of women acquire the virus through heterosexual contact. The diagnoses that define the acquired immunodeficiency syndrome and the use of antiretroviral therapy are similar in men and women, except in pregnancy. However, management decisions differ significantly regarding contraceptive and gynecologic care. Besides abstinence, use of the latex condom continues to be the most effective way of preventing transmission of HIV. The management of human papillomavirus-associated disease, pelvic inflammatory disease and vaginal candidiasis is especially challenging in women with HIV infection. A positive status for the virus does not appear to affect pregnancy outcome. Each year, up to 2,000 infants are born infected with HIV. Transmission can occur by transplacental or intrapartum spread or through breast milk. Since 1994, prophylaxis with zidovudine has been shown to be an effective method of limiting transmission to infants. It is important to offer all pregnant women a test for HIV, with counseling provided both before and after the test, even if testing does not become mandatory under the law.

AIDS Serodiagnosis↗

Evaluation of a rapid theophylline test strip assay in the emergency department setting.

Test strips recently have become available to measure theophylline levels. One such test strip (AccuLevel) had not been tested in an actual clinical situation with nontechnician personnel. We prospectively evaluated the test strip on consecutive emergency department patients, comparing it with the agglutination inhibition method used by our hospital laboratory. Nurses and medics who ran the test were given only a brief demonstration and explanation of the manufacturer's instructions. The 61 test strip levels correlated highly with the laboratory results (r = 0.92, slope = 0.89, y-intercept = 0.99). The test strip results were available in less time (mean of 0.51 hours vs 1.89 hours for the laboratory, P less than .0001). The most accurate readings were obtained by those who ran the test most frequently. Caffeine intake did not influence the test. Cost was significantly lower than charges at local hospitals.

Caffeine↗

Rapid assay kits for common microbiologic agents.

Commercial rapid assay kits are available to assist in making diagnoses such as gonorrhea, rubella, and chlamydial and Group A streptococcal infections. Most assays contain either antigens to detect antibodies or antibodies to detect the antigens of the specific agents. Methods include latex agglutination, enzyme-linked immunosorbent assay, solid-phase enzyme immunosorbent assay and immunofluorescence. Rapid assay kits are best used with an understanding of their principles, their sensitivity-specificity ranges, their limitations and assets, and their cost and shelf life.

Bacterial Infections↗

Use of a radioimmunoassay to quantify thrombospondin.

Results of radioimmunoassay procedures applied to samples containing thrombospondin indicated that reliable values are obtained either in saline or in plasma. Plasma levels in apparently normal individuals ranged from approximately 20 to 300 ng/ml. The mean for 20 individuals was 175 ng/ml. Plasma specimens stored either refrigerated at 4 degrees C or frozen at -80 degrees C showed significantly diminished thrombospondin levels over a period of 90 days. Serum levels of thrombospondin were found to range from 10,000 to 30,000 ng/ml.

Adult↗