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1.
Vet Res Commun ; 26(3): 171-7, 2002 Apr.
Article in English | MEDLINE | ID: mdl-12090289

ABSTRACT

The concentrations of C-reactive proteins (CRP) in the plasma of five beagle dogs experimentally inoculated with Ehrlichia canis increased markedly. The concentrations began to increase between 4 and 16 days and peaked between 15 and 42 days after inoculation of E. canis. The peak concentrations ranged from 217.8 to 788.8 microg/ml (452.6 +/- 228.1 SD). After the peak, the concentrations of CRP decreased rapidly. The PCR product of 16S rRNA of E. canis became detectable in the five dogs between 18 and 27 days after inoculation of E canis. Antibodies to E canis were detected in plasma from the dogs between 5 and 15 days after inoculation of E. canis. The timings of seroconversion and of the start of the increase in CRP were approximately similar and the high concentrations of CRP in the plasma of the dogs tended to become apparent when the PCR product of 16 S rRNA of E. canis became detectable.


Subject(s)
C-Reactive Protein/biosynthesis , Dog Diseases/blood , Ehrlichia canis/growth & development , Ehrlichiosis/veterinary , Animals , Antibodies, Bacterial/blood , C-Reactive Protein/analysis , DNA, Bacterial/chemistry , DNA, Bacterial/genetics , Dog Diseases/microbiology , Dogs , Ehrlichia canis/genetics , Ehrlichiosis/blood , Ehrlichiosis/microbiology , Fluorescent Antibody Technique, Indirect/veterinary , Polymerase Chain Reaction , RNA, Ribosomal, 16S/chemistry , RNA, Ribosomal, 16S/genetics
2.
Pediatrics ; 103(3): 594-8, 1999 Mar.
Article in English | MEDLINE | ID: mdl-10049962

ABSTRACT

OBJECTIVES: To compare performance and cost analysis of two gentamicin regimens in infants >/=34 weeks' gestation requiring antibiotics for a 72-hour rule-out sepsis evaluation. A once-daily dosing (ODD) regimen of 4 mg/kg was compared with a standard twice-daily dosing (TDD) regimen of 2.5 mg/kg every 12 hours. SETTING AND DESIGN: Infants at two university-affiliated Level III nurseries were prospectively temporally allocated to receive ODD (n = 27) or TDD (n = 28) as part of their 72-hour empirical antibiotic regimen. Performance of dosing regimens was based on target serum gentamicin concentrations (SGC) established prospectively as a peak of 5 to 10 microgram/mL and a trough of 2 microgram/mL, compared with none in the ODD group. Overall, 57% of the SGCs in the TDD group were outside the target concentration range versus 7% in the ODD group. Based on questionnaire results, a total 72-hour process cost of ODD versus TDD was compared for regimens with and without use of SGC analysis. If SGCs are obtained, more than 75% of the cost associated with gentamicin therapy is attributable to SGC analysis. Based on a cost-effectiveness analysis, ODD was the dominant dosing strategy in all categories analyzed. CONCLUSIONS: ODD of gentamicin at 4 mg/kg in neonates >/=34 weeks' gestation is the preferable treatment strategy based on: 1) significantly improved SGC performance compared with TDD; 2) elimination of the need for routine SGC collection in infants on short courses of therapy; and 3) significant antibiotic-associated hospital cost savings when compared with conventional therapy of TDD and SGC analysis.


Subject(s)
Gentamicins/administration & dosage , Sepsis/drug therapy , Cost-Benefit Analysis , Costs and Cost Analysis , Gentamicins/blood , Gentamicins/economics , Humans , Infant, Newborn , Prospective Studies , Sepsis/economics
3.
Jpn J Cancer Res ; 82(4): 367-70, 1991 Apr.
Article in English | MEDLINE | ID: mdl-1904415

ABSTRACT

Partial modifications of antigen components were made to improve the gelatin particle agglutination (PA) test for the detection of antibodies against human T cell leukemia virus type-I. Envelope glycoproteins prepared by lentil lectin affinity chromatography were further added to the purified viral antigens to be coated on the gelatin particles. Comparative studies with a conventional PA test kit (Serodia ATLA) and indirect immunofluorescence assay showed that the specificity and sensitivity of the new PA test were increased and that abnormal agglutination such as the prozone phenomenon was abolished by this improvement.


Subject(s)
Agglutination Tests/methods , HTLV-I Antibodies/isolation & purification , Human T-lymphotropic virus 1/immunology , Leukemia, T-Cell/diagnosis , Viral Envelope Proteins/chemistry , Chromatography, Affinity , Fluorescent Antibody Technique , Gelatin , Glycoproteins/chemistry , HTLV-I Antigens/chemistry , Humans , Leukemia, T-Cell/immunology , Sensitivity and Specificity
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