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Biomedical subjects

R M Lampe

Publications and source records attributed to R M Lampe.

11 recordsLinked to original sources

Serological response to measles revaccination in a highly immunized military dependent adolescent population.

In the spring of 1986, there was a measles outbreak in the city of El Paso, Texas, with 92 cases reported to the City-County Health Department. Of those 92 cases, 31 (32%) occurred within a public high school's student population of 2524. A mass measles vaccination program was undertaken at that high school in order to limit the outbreak. The student enrollment included a military dependent population of 368 students. Despite documented histories of prior measles immunizations in this military dependent subgroup, three individuals contracted the disease. Since this subgroup of students represented a highly immunized adolescent population, it was of interest to serologically determine their immune status prior to and following reimmunization with the expectation that such a study would provide information relating to the level of "protective" immunity. Prevaccination and postvaccination sera were obtained from 95 students. Results of measuring anti-measles antibody activity by ELISA indicate that 13 (14%) students responded to revaccination and experienced a fourfold or greater rise in IgG antibody levels. There were no detectable IgM responses. All of the students who responded to revaccination produced an anamnestic response (IgG boost only). Since most of these individuals had received first immunizations at 15 months of age or older, these findings suggest that secondary vaccine failure (waning immunity) was responsible for the putative "lowered" immunity in these individuals, instead of primary vaccine failure (maternal antibody suppression). These findings support current recommendations for measles booster revaccination of school-age children and adolescents.

Adolescent

Neonatal scabies.

Scabies contracted during the neonatal period demonstrates a distinct clinical pattern that differs greatly from manifestations seen in older individuals. Involvement of the face, neck, scalp, palms, and soles is a consistent finding, as is the tendency for these lesions to form pustules early in the course of the infestation. Poor feeding and failure to gain weight appropriately are also characteristic features. The skin lesions include erythematous papules, nodular crusts, and putules. The possibility of scabies should be entertained for any young infant who has these findings. Scrapings should be obtained from multiple sites to confirm the diagnosis. In the absence of positive findings for scrapings, examination of close contacts and a careful history should lead to the correct diagnosis.

Female

Jimson "loco" weed abuse in adolescents.

Over a three-year period, 29 adolescent patients were hospitalized because of intentional Jimson weed ingestion. Their records were reviewed for the presence of signs and symptoms of atropine/scopolamine toxicity clinical course, treatment, and outcome. Twenty-two were male and seven were female. All had mydriasis, hallucinations, and were disoriented. Tachycardia (heart rate greater than 95), dry mucous membranes, and flushed facies were often present. Urinary retention requiring catheterization was present in five patients. Sixty-five percent (17/26) had detectable atropine or scopolamine in their urine. The average length of hospitalization was 1.8 days. No serious complications were encountered during hospitalization and full recovery were noted in all patients. Gastric lavage and hospital admission for close monitoring and medical support are essential phases of management. Physicians who care for adolescents should be aware of this relatively new form of drug abuse and its management.

Adolescent

Sequential treatment with quinine and mefloquine or quinine and pyrimethamine-sulfadoxine for falciparum malaria.

Patients with falciparum malaria were studied in Thailand, an area of known chloroquine resistance. The patients were unselected and some had severe malaria, and they were randomly assigned to one of two sequential regimes. A short course of quinine (average 4 doses, equivalent to 2 g base) followed by a single dose of pyrimethamine-sulfadoxine (Fansidar) cured 92% of patients (36 out of 39), while a short course of quinine followed by a single 1-5-dose of mefloquine cured all of the 35 patients who could be followed up. Gastrointestinal side effects were minimal if at least 12 hours elapsed between the last dose of quinine and the mefloquine. Sequential quinine and mefloquine is the most effective treatment for patients with chloroquine-resistant falciparum malaria, including those with severe or complicated disease. Mefloquine, however, is not commercially available, and the similar regimen using Fansidar is almost as effective.

Adolescent

Green hair.

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Child

Detection of bacterial antigen in pleural fluid by counterimmunoelectrophoresis.

Pleural fluid specimens from 87 patients were studied using counterimmunoelectrophoresis with pneumococcal, staphylococcal, and Hemophilus influenza b antisera. This method compared favorably with traditional bacteriologic methods and in addition provided a presumptive etiologic diagnosis in more than half of the specimens with negative bacterial cultures. One cross-reaction between H. influenza b antiserum and a pleural fluid specimen with an Escherichia coli isolate was observed.

Antigens, Bacterial