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Salmonella dublin infection is usually a veterinary disease. However, human outbreaks have occurred, mostly following consumption of contaminated raw milk. Salmonella dublin has a predilection for the immunocompromised host and usually causes a severe illness with fever, diarrhea, and bacteremia.
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We report the case of a 15-year-old girl who developed high fever, syncope, abdominal pain, nausea and vomiting, myalgia, pharyngitis, and a desquamating rash eight days after a diagnostic peritoneal lavage. The diagnostic peritoneal lavage wound was erythematous and tender. Incision of the site yielded 10 mL of exudate that cultured Staphylococcus aureus. The patient was treated with a first-generation cephalosporin and recovered without sequelae. To our knowledge, this is the first reported case of toxic shock syndrome following diagnostic peritoneal lavage.
A randomized clinical trial of antibiotic prophylaxis in patients undergoing gastroduodenal surgery for stenosing or bleeding duodenal ulcer was carried out from February 1990 to February 1991. Seventy-two patients were randomly assigned to either Group I (n = 33) and given 1 g of cefapirine intravenously every eight hours, four times, starting at induction of anaesthesia; or to Group II (n = 39), and not given any antibiotic. The surgical dressing was changed on the third postoperative day, and thereafter every two days in patients with fever. The efficiency of prophylaxis was assessed on the incidence of superficial or deep primary infection, and the length of hospital stay. Primary wound sepsis occurred in 7 Group II patients, and in none in Group I (n = 0.01). The results for those patients with stenosing ulcer (n = 53) were also significant: there was no primary wound infection in Group I (n = 25), whereas five occurred in Group II (n = 28) (p = 0.03). Hospital stay was shorter in Group I than in Group II (7 vs 9.5 days). Antibiotic prophylaxis also seemed to be efficient in patients with bleeding duodenal ulcers (n = 19), but their group was too small to reach levels of statistical significance. Again hospital stay was shorter in Group I than in Group II (8.5 vs 12.2 days). The efficiency of antibiotic prophylaxis was therefore confirmed for patients undergoing gastroduodenal surgery for stenosing duodenal ulcer.
The use of molybdophosphoric acid as an oxidising agent for the spectrophotometric determination of four cephalosporin derivatives, viz., cefadroxil monohydrate (I), cefapirin sodium (II), ceforanide L-lysine (III) and cefuroxime sodium (IV), either in the pure form or in pharmaceutical formulations is described. Beer's law is obeyed up to 100 micrograms ml-1 for I, up to 60 micrograms ml-1 for II and IV and up to 80 micrograms ml-1 for III. The molar absorptivities were 4.58 X 10(3), 11.3 X 10(3), 9.8 X 10(3) and 10.9 X 10(3) l mol-1 cm-1 and the Sandell sensitivities were 83.3, 39.3, 53.0 and 41.0 ng cm-2 for I, II, III and IV, respectively. The slopes and intercepts of the equations of the regression line were calculated for each of these drugs with the following correlation coefficients: I, 0.9993; II, 0.9999; III, 1.000; and IV, 0.9999. These antibiotics were determined successfully both in the pure form and in pharmaceutical preparations. The results demonstrated that the proposed procedure is at least as accurate, precise and reproducible as the official methods, while being simpler and less time consuming. A statistical analysis indicated that there was no significant difference between the results obtained by the proposed procedure and those of the official methods.
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The cephalosporin antibiotics have been employed with increasing frequency since their introduction into clinical practice in the early 1960s. With the exception of cephaloridine, cephalosporin compounds are not associated with the production of significant untoward effects. The availability of newer cephalosporins, both oral and parenteral, with enhanced antibacterial activity, has expanded the clinical indications for administration of these antibiotics.
Intramammary treatment with a broad spectrum antibiotic was evaluated for cows treated after a single high monthly somatic cell count of for cows with clinical mastitis. Forty-three quarters of 36 cows were treated after a high somatic cell count, and 56 quarters of 48 cows were treated after clinical symptoms. There was no significant decrease of cell count in response to treatment in the high somatic cell group. Organisms were isolated from 70% of the pretreatment quarter samples, but only 13% of the isolates were major pathogens. Bacteriological cure rate for major and minor pathogens combined was 23.3%. Treatment costs (antibiotics and discarded milk) were $38.19 per animal treated. Organisms were isolated from 70% of the pretreatment quarter samples of the clinical group. Forty-nine percent of the isolates were major pathogens. Bucket and quarter somatic cell counts decreased following treatment. Production rose posttreatment almost back to normal. Bacteriological cure rate was 21.6% for major and minor pathogens combined with 37% of the cured quarters becoming reinfected with minor pathogens during the monitoring period. The predominant minor pathogens isolated micrococci and coagulase negative staphylococci. The predominant major pathogens were Streptococcus uberis and coliforms.
This study was designed to observe the maximum time that various antibiotics used in different ways as treatment of bovine infections persisted in milk after final treatment. Both Delvotest-P and Bacillus stearothermophilus (Difco) disc assay procedures were utilized for detection of antibiotic preparations used for treatment of mastitis. None persisted in milk longer than specified on their respective labels. Because antibiotic residues were detected in milk consequent to treatment for intrauterine infections, guidelines for withholding times following intrauterine treatment should be established.