Comparison of CHROMagar Salmonella medium and Hektoen enteric agar for isolation of salmonellae from stool samples

被引:45
作者
Gaillot, O [1 ]
Di Camillo, P
Berche, P
Courcol, R
Savage, C
机构
[1] Fac Med Necker Enfants Malades, Microbiol Lab, F-75730 Paris 15, France
[2] Hop Boucicaut, Lab Bacteriol Virol, F-75730 Paris, France
[3] Ctr Hosp Reg & Univ Lille, Lab Bacteriol Hyg, F-59045 Lille, France
关键词
D O I
10.1128/JCM.37.3.762-765.1999
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
CHROMagar Salmonella (CAS), a new chromogenic medium, was retrospectively compared to Nektoen enteric agar (HEA) with 501 Salmonella stock isolates and was then prospectively compared to HEA for the detection and presumptive identification of Salmonella spp, with 508 stool samples before and after enrichment, All stock cultures (100%), including cultures of H2S-negative Isolates, yielded typical mauve colonies on GAS, while 497 (99%) isolates produced typical lactose-negative, black-centered colonies on HEA. Following overnight incubation at 37 degrees C, a total of 20 Salmonella strains were isolated from the 508 clinical samples. Sensitivities for primary plating and after enrichment Here 95% (19 isolates) and 100% (20 isolates), respectively, for CAS and 80% (16 isolates) and 100% (20 isolates), respectively, for HEA. The specificity of CAS (88.9%) was significantly higher than that of HEA (78.5%; P < 0.0001), On the basis of its good sensitivity and specificity, CAS medium can be recommended for use for primary plating when human stool samples are screened for Salmonella spp.
引用
收藏
页码:762 / 765
页数:4
相关论文
共 19 条
[1]   IMPROVED ISOLATION OF SALMONELLAE FROM FECES USING A SEMISOLID RAPPAPORT-VASSILIADIS MEDIUM [J].
ASPINALL, ST ;
HINDLE, MA ;
HUTCHINSON, DN .
EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES, 1992, 11 (10) :936-939
[2]   COMPARISON OF CLASSICAL ISOLATION PROTOCOLS WITH A 24-H SCREEN TO DETECT VIABLE SALMONELLAS IN FECES [J].
CHERRINGTON, CA ;
INTVELD, JHJH .
JOURNAL OF APPLIED BACTERIOLOGY, 1993, 75 (01) :65-68
[3]   RAPID BIOCHEMICAL SCREENING FOR SALMONELLA, SHIGELLA, YERSINIA, AND AEROMONAS ISOLATES FROM STOOL SPECIMENS [J].
DERYCK, R ;
STRUELENS, MJ ;
SERRUYS, E .
JOURNAL OF CLINICAL MICROBIOLOGY, 1994, 32 (06) :1583-1585
[4]   EVALUATION OF 5 NEW PLATING MEDIA FOR ISOLATION OF SALMONELLA SPECIES [J].
DUSCH, H ;
ALTWEGG, M .
JOURNAL OF CLINICAL MICROBIOLOGY, 1995, 33 (04) :802-804
[5]   COMPARISON OF RAMBACH AGAR, SM-ID MEDIUM, AND HEKTOEN ENTERIC AGAR FOR PRIMARY ISOLATION OF NONTYPHI SALMONELLAE FROM STOOL SAMPLES [J].
DUSCH, H ;
ALTWEGG, M .
JOURNAL OF CLINICAL MICROBIOLOGY, 1993, 31 (02) :410-412
[6]   APPLICATION OF REJECTION CRITERIA FOR STOOL CULTURES FOR BACTERIAL ENTERIC PATHOGENS [J].
FAN, K ;
MORRIS, AJ ;
RELLER, LB .
JOURNAL OF CLINICAL MICROBIOLOGY, 1993, 31 (08) :2233-2235
[7]  
GAILLOT O, 1998, 98 GEN M AM SOC MICR, P205
[8]   USE OF RAMBACH PROPYLENE-GLYCOL CONTAINING AGAR FOR IDENTIFICATION OF SALMONELLA SPP [J].
GRUENEWALD, R ;
HENDERSON, RW ;
YAPPOW, S .
JOURNAL OF CLINICAL MICROBIOLOGY, 1991, 29 (10) :2354-2356
[9]   EVALUATION OF THE VITEK EPS ENTERIC PATHOGEN SCREEN CARD FOR DETECTING SALMONELLA, SHIGELLA, AND YERSINIA SPP [J].
IMPERATRICE, CA ;
NACHAMKIN, I .
JOURNAL OF CLINICAL MICROBIOLOGY, 1993, 31 (02) :433-435
[10]  
Kauffmann F., 1972, SEROLOGICAL DIAGNOSI