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Biomedical subjects

T M Gilmore

Publications and source records attributed to T M Gilmore.

8 recordsLinked to original sources

Occupational injuries and medication use.

Recent medication use of 3,394 members of the Group Health Cooperative of Puget Sound (GHC) diagnosed with an incident work-related injury was compared to that of two controls selected from the GHC membership and matched on age, gender, and Standard Industrial Classification Code of their employer. Medication use was determined from the GHC pharmacy data base. The injuries of the cases included 496 fractures or dislocations, 2,728 open wounds, crushing injuries, or superficial injuries, 176 burns, and 64 internal or intracranial injuries. The risk of injury was elevated among users of antihistamines [odds ratio (OR) = 1.5, 95% confidence interval (CI) = 1.1-1.9], antibiotics (OR = 1.2, 95% CI = 1.0-1.5), and diabetes medications (OR = 1.3, 95% CI = 0.9-1.9). The patterns of risk were similar for males and females, but varied by type of injury. No consistent associations between use of antidepressants, antianxiety medication, or narcotics and work-related injury were observed. The use of some medications, or conditions requiring medications, may contribute to the risk of a work-related injury.

Accidents, Occupational↗

Dye marked antibiotics in dry cow mastitis therapy.

Eight dry cow dye/antibiotic preparations were used to determine dye and antibiotic excretion endpoints. Formulations contained 400 mg of novobiocin with 25 or 250 mg Food Drug and Cosmetic Blue No. 1 per infusion or 400 mg novobiocin plus 200,000 IU penicillin with 25, 125, or 250 mg Blue No. 1 or 2 dye per infusion. Fifty-two cows entering their second or later lactations were treated in two or four quarters. Milk was sampled postpartum and tested for residues. Dye content was determined visually and subvisually. Antibiotic content was analyzed by the cylinder plate, or Delvotest-P, or by both methods. One sample contained penicillin residues. Three samples had visual dye content of Blue No. 1. Blue No. 2 was not detected. Subvisual dye was detected for one to four milkings in most cows treated with preparations containing Blue No. 1. Cows were treated within 1 to 7 d prepartum with novobiocin plus penicillin containing 250 mg Blue No. 1. Visual dye persisted from 3 to 15 milkings postpartum and subvisual dye for one to two milkings longer. Penicillin was present in postpartum milk in five of seven cows. Novobiocin persisted in three of seven cows.

Animals↗

Dye marked antibiotics for lactating cow mastitis therapy.

Dye markings of intramammary antibiotic infusions could give a dairy farmer immediate visual warning that milk contains antibiotic residue. Six dye and antibiotic preparations for lactating cows were studied for rates of dye and antibiotic milk-out. Albacillin containing 1 X 10(5) IU of penicillin plus 150 mg of novobiocin combined with 25, 125, or 250 mg of Food, Drug, and Cosmetic Blue No. 1 or No. 2 per infusion was used. Thirty cows with healthy udders producing 13.6 to 22.7 kg milk per day were treated in all quarters twice in 24 h (0500 and 1500 h). Milk samples from 14 posttreatment twice per day milkings (0500 and 1500 h) were tested for dye and antibiotic residue. Dye content was determined by a visual method and subvisually by an ion exchange resin method. No antibiotic residues were found by the cylinder plate method after the second to fourth posttreatment milkings. Antibiotic residue was detected up to the sixth milking by Delvotest-P. Depending on the dye type and its concentration, milk was visibly blue for one to four milkings. Subvisual quantities for dye were detectable by the ion exchange resin method for three to five milkings. The preparation showing the most promise for farm use contained 250 mg Blue No. 1 per infusion. Milk from cows treated with this preparation contained visually and subvisually detectable dye through three or four and five milkings, respectively. The dye persistence exceeded or coincided with the maximum antibiotic persistence in nearly all cows treated regardless of dye formulation or method of antibiotic detection.

Animals↗