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Biomedical subjects

J R Tucker

Publications and source records attributed to J R Tucker.

7 recordsLinked to original sources

Indications for, techniques of, complications of, and efficacy of gastric lavage in the treatment of the poisoned child.

Gastrointestinal decontamination is central to the care of poisoned patients, and gastric lavage is one common method for gastrointestinal decontamination. Gastric lavage in pediatric patients should be limited to children who present shortly after a potentially life-threatening ingestion. The routine use of gastric lavage has recently been questioned because of limited outcome data and increased morbidity. If gastric lavage is deemed necessary, proper positioning of the patient and strict attention to appropriate technique are essential to avert complications.

Child↗

Experimental and field evaluations of two acaracides for control of I. pacificus (Acari: Ixodidae) in northern California.

Use of acaricides for the control of Ixodes pacificus (Cooley & Kohls), the vector of Lyme borreliosis in the western United States, can be a beneficial component in a program to reduce the morbidity of Lyme borreliosis in California. Three commercially available acaricides, carbaryl, chlorpyrifos, and diazinon, were evaluated in laboratory bioassays for their effectiveness against I. pacificus adults. Based on bioassay results, chlorpyrifos and carbaryl were selected for field evaluations. Chlorpyrifos demonstrated the lowest LD50 in the laboratory and the best overall control in the field trials. Chlorpyrifos and carbaryl provided effective control with a residual effect on adult ticks up to 7 wk after a single treatment. A field application timed to coincide with the highest period of adult questing activity proved effective in the control of I. pacificus in a Sierran foothill habitat. Judicious use of either of the acaricides evaluated may help to reduce adult tick densities in a peridomestic environment and thereby reduce the risk of human exposure to Lyme borreliosis and other tick-borne agents.

Animals↗

Complications of varicella: varicella-associated cerebritis in a child. Case report and review.

Chickenpox is a common contagious disease of childhood. Infection with varicella-zoster virus generally follows a benign course, but complications may occur. We report the case of a child with chickenpox who developed diffuse cerebritis with significant dehydration, azotemia, elevations in transaminases, and coagulopathy. The neurologic complications of varicella-zoster infection are reviewed.

Chickenpox↗