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Query: UMLS:C1852438 (CCL)
 1,279 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Skin penetration of various antimicrobial agents was studied in rats. Skin concentration/serum concentration ratios were classified into three groups, i.e. group I with ratio greater than or equal to 0.7, group II with the ratio 0.7-0.4 and group III with the ratio less than or equal to 0.4. The drugs of group I were OFLX, CPFX, LFLX, FLRX, SPFX, AMK, EM, RXM, CAM, CLDM. The drugs of group II were ABPC, CVA/AMPC, CVA/TIPC, CEX, CED, CXD, CTM-HE, CXM-AX, CPZ, CBPZ, TFLX, ASTM, MINO. The drugs of group III were AMPC, CCL, CDX, CPDX-PR, CFTM-PI, CTZ, CEC, CEZ, CTM, CMZ, CZON, MCR, IPM/CS. Factors which may influence the skin penetration were discussed, but no definite conclusion has not been obtained.
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PMID:[Skin penetration of antimicrobial agents in rats]. 194 92

During 1979-1983 in vitro activities of antimicrobial agents against causative bacteria isolated from patients with urinary tract infections (UTI) were investigated by Microbiological Research Group of UTI including the 8 institutions in Japan. Of all strains (219) isolated from patients with simple UTI, 65.3% were E. coli, and 9.6% Klebsiella spp.; these species accounted for about 75% of all isolates in 1983. MPC and CCL among the oral antimicrobial agents have showed potent activities against E. coli, MPC at 1.56 micrograms/ml and CCL at 3.13 micrograms/ml inhibited 80% of E. coli from simple and complicated UTI. CTM, CTX, CZX, CMX and LMOX among the parenteral antimicrobial agents, at concentrations of 0.20 micrograms/ml or less inhibited 90% of E. coli isolated from simple and complicated UTI. The frequency of isolates from patients with complicated UTI, without catheter, was as follows; E. coli 27.6%, P. aeruginosa 20.1%, Streptococcus spp. 12.6%, Serratia spp. 8.8% and Klebsiella spp. 8.0%. The frequency of isolates from patients with complicated UTI, indwelling catheter, was as follows; P. aeruginosa 22.6%, Streptococcus spp. 18.0%, Serratia spp. 15.0%, Proteus spp. 12.4%, and Enterobacter spp. and Klebsiella spp. are 6.0%, respectively, in 1983. The antibacterial activity (MIC80) against E. coli, Klebsiella spp., P. mirabilis, Citrobacter spp. and Serratia marcescens from simple and complicated UTI was compared, for example, among third generation cephem antibiotics. Four drugs such as CMX, CZX, CTX and LMOX showed virtually comparable activities while CPZ was slightly less active against the strains tested. There have been many studies reported concerning the antibacterial activity of various drugs against clinical isolates from patients with infections, but it seems that, to our knowledge, no article has dealt with yearly surveys on antimicrobial susceptibility of bacterial isolates from defined clinical specimens with the same period of each year at the same series of institutions.
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PMID:[Comparative studies of antimicrobial agents against causative organisms isolated from urinary tract infections (1983). I. Susceptibility distribution]. 407 3

In vitro activities of antimicrobial agents against causative organisms isolated from patients with urinary tract infections were investigated by dilution method using MIC 2000 (Dynatec) during July to October in 1982. The summarized results are as follows: PMPC and CCL have showed potent activities against E coli among the oral antimicrobial agents. PMPC and CCL at 3.13 micrograms/ml inhibited 90% of E. coli tested. CTM, CTX, CZX, CMX and LMOX at concentrations of 0.39 microgram/ml or less among the parenteral antimicrobial agents inhibited 90% of E. coli tested. The value of MIC90 (concentration at which 90% of isolates are inhibited) against K. pneumoniae results in the resistant range for ABPC, NA, CEX, CCL and ST. Among the parenteral cephems, CMX seemed most effective against K. pneumoniae tested. C. freundii seemed generally low susceptible to antimicrobial agents tested. Among the oral agents, PMPC, PPA and ST have showed moderate activity against C. freundii. Among the parenteral agents, CMX and LMOX also showed moderate activity against C. freundii, inhibiting 50% of the strains tested at 6.25 micrograms/ml. Among the oral agents, PMPC showed the most potent activity against E. cloacae. E. cloacae tested were highly resistant to the first and second generation cephems. Among the third generation, CMX seemed the most potent activity against E. cloacae isolated. However, CMX concentration of 1.56 micrograms/ml was necessary to inhibit 50% of tested E. cloacae. P. mirabilis tested was resistant to all oral antimicrobial agents except CCL and ST. The value of MIC90 of the first and second generation cephems against P. mirabilis results in the moderately susceptible range (6.25-25 micrograms/ml). The third generation seemed most effective against P. mirabilis tested. PMPC, NA, PPA and ST concentrations of 0.78-1.56 micrograms/ml were necessary to inhibit 50% of tested P. vulgaris. CEZ and CTM, seemed less potent activity than CFX and CMZ against P. vulgaris. CTX, CZX, CMX and LMOX except CPZ have showed potent activities against P. vulgaris, these at 0.1 micrograms/ml or less inhibited 50% of P. vulgaris tested. P. aeruginosa has been resistant to the third generation cephems except CPZ, but TOB, GM, AMK, CFS, PIPC and CPZ have showed high activities against P. aeruginosa, inhibiting 50% of the strains tested at 0.39-6.25 micrograms/ml. The oral antimicrobial agents, and first and second generation cephems had not showed significant activity against S. marcescens. And strains of S. marcescens were relatively susceptible to the third generation cephems.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:[Comparative studies of antimicrobial agents against causative organisms isolated from urinary tract infections (1982). I. Susceptibility distribution]. 643 64

Streptococcus constellatus, S. intermedius, and S. anginosus, the 3 species of the S. milleri group, form part of the normal flora commonly found in the mouth, throat, and gastrointestinal and genital tracts. This group has become known as an important pathogen in infections and abscesses, but data on the anatomical distribution of these species is lacking in relation to clinical significance. We obtained 275 strains of the S. milleri group from different departments at our hospital over the last 3 years, including 54 strains from dental surgery, 47 from internal medicine, 44 from otolaryngology (head and neck), 43 from surgery, 32 from gynecology, 17 from urology, 16 from dermatology, 11 from brain surgery, 6 from pediatrics, 3 from orthopedics, and 2 from opthalmology. The 44 strains from head and neck were found in 42 patients,--23 with primary infection and 19 with secondary infection induced by cancer treatments. The primary infection group included 4 deep neck abscesses, 1 peritonsillar abscess, 5 tonsillitis, 4 paranasal sinusitis, 3 congenital aural fistula infections, 2 dental infections, 2 paranasal sinus cysts, 1 supprative parotitis, and 1 postoperative wound infection. The secondary infection group included 7 postoperative wound infections, 3 postoperative pulmonary infections, 3 laryngitis and pharyngitis, 3 terminal pneumonias, and 3 infections of the local recurrence site. The S. milleri group was the only isolated organism in 13 cases (56.5%) of primary infection and in 5 (26.3%) of secondary infection. Among other organisms from the primary infection group, no so-called major pathogens were found. Antimicrobial susceptibility tests of the S. milleri group showed that 50% were resistant to CCL and 33% to CTM. ABPC, CPDX, and CFDN were also found to be less sensitive, although no resistant strains were detected. To adequately culture the S. milleri group, incubation in air containing carbon dioxide or in an anaerobic atmosphere is required, and differentiation of the 3 requires biochemical reactivity tests. Since not all facilities use identical techniques in routine bacteriological examination, a considerable number of the S. milleri group could be missed in unknown species of alpha-,beta-, and gamma-streptococci and culture-negative cases. With antibiotics now being used widely, normal flora such as the S. milleri group may have become an important pathogen in head and neck infections due to an imbalance between organisms and host defense.
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PMID:[Clinical relevance of the Streptococcus milleri group in head and neck infections]. 1185 84