RAPID INTER-STRAIN COMPARISON BY PYROLYSIS MASS-SPECTROMETRY IN NOSOCOMIAL INFECTION WITH XANTHOMONAS-MALTOPHILIA

被引:36
作者
ORR, K
GOULD, FK
SISSON, PR
LIGHTFOOT, NF
FREEMAN, R
BURDESS, D
机构
[1] MED SCH NEWCASTLE UPON TYNE,DEPT MICROLBIOL,FRAMLINGTON PL,NEWCASTLE TYNE NE2 4HH,ENGLAND
[2] FREEMAN RD HOSP,DEPT MICROBIOL,NEWCASTLE TYNE NE7 7DN,TYNE & WEAR,ENGLAND
[3] REG PUBL HLTH LAB,NEWCASTLE TYNE,ENGLAND
关键词
XANTHOMONAS-MALTOPHILIA; PYROLYSIS MASS SPECTROMETRY (PYMS); INTER-STRAIN COMPARISON; NOSOCOMIAL INFECTION;
D O I
10.1016/0195-6701(91)90230-6
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Seventeen strains of Xanthomonas maltophilia and one strain of Pseudomonas cepacia were examined by pyrolysis mass spectrometry (PYMS). The Xanthomonas strains comprised 11 clinical and environmental isolates from a suspected outbreak of colonization and infection on a heart-lung transplant intensive care unit, two strains from patients elsewhere in the same hospital and four strains from a national reference collection. The single isolate of Pseudomonas cepacia was from a sink in the same affected intensive care unit. A series of discriminant analyses performed on the PYMS-derived data showed that, whereas six strains of Xanthomonas from the respiratory tract, blood and ventilatory equipment of one of the affected patients were indistinguishable, all the other isolates were distinct. The results of PYMS rapid inter-strain comparison were in accord with those of an epidemiological investigation which suggested that the episode was due to unauthorized reuse of disposable nebulizers and not to cross-infection between patients. Pyrolysis mass spectrometry with rapid data analysis is a potentially useful technique for the investigation of nosocomial infections due to organisms such as X. maltophilia. © 1991.
引用
收藏
页码:187 / 195
页数:9
相关论文
共 10 条
[1]   EVALUATION OF A LOW-COST, AUTOMATED PYROLYSIS MASS-SPECTROMETER [J].
ARIES, RE ;
GUTTERIDGE, CS ;
OTTLEY, TW .
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, 1986, 9 (02) :81-98
[2]   INVESTIGATION OF A PSEUDO-OUTBREAK OF PSEUDOMONAS-THOMASII IN A SPECIAL-CARE BABY UNIT BY NUMERICAL-ANALYSIS OF SDS-PAGE PROTEIN-PATTERNS [J].
COSTAS, M ;
HOLMES, B ;
SLOSS, LL ;
HEARD, S .
EPIDEMIOLOGY AND INFECTION, 1990, 105 (01) :127-137
[3]   PYROLYSIS-MASS SPECTROMETRY (PY-MS) FOR THE RAPID EPIDEMIOLOGIC TYPING OF CLINICALLY SIGNIFICANT BACTERIAL PATHOGENS [J].
FREEMAN, R ;
GOODFELLOW, M ;
GOULD, FK ;
HUDSON, SJ ;
LIGHTFOOT, NF .
JOURNAL OF MEDICAL MICROBIOLOGY, 1990, 32 (04) :283-286
[4]  
FREEMAN R, 1990, ZBL BAKT S, V21, P142
[5]  
KUIPER EJ, 1987, J CLIN MICROBIOL, V25, P751
[6]   PERSON-TO-PERSON TRANSMISSION OF PSEUDOMONAS-CEPACIA BETWEEN PATIENTS WITH CYSTIC-FIBROSIS [J].
LIPUMA, JJ ;
DASEN, SE ;
NIELSON, DW ;
STERN, RC ;
STULL, TL .
LANCET, 1990, 336 (8723) :1094-1096
[7]   THE EVALUATION OF A TYPING SCHEME FOR COAGULASE-NEGATIVE STAPHYLOCOCCI SUITABLE FOR EPIDEMIOLOGICAL-STUDIES [J].
LUDLAM, HA ;
NOBLE, WC ;
MARPLES, RR ;
PHILLIPS, I .
JOURNAL OF MEDICAL MICROBIOLOGY, 1989, 30 (03) :161-165
[8]   EPIDEMIOLOGICAL TYPING OF STREPTOCOCCUS-PYOGENES BY PYROLYSIS MASS-SPECTROMETRY [J].
MAGEE, JT ;
HINDMARCH, JM ;
BURNETT, IA ;
PEASE, A .
JOURNAL OF MEDICAL MICROBIOLOGY, 1989, 30 (04) :273-278
[9]   A METHOD FOR TYPING STRAINS OF LEGIONELLA-PNEUMOPHILA SEROGROUP-1 BY ANALYSIS OF RESTRICTION FRAGMENT LENGTH POLYMORPHISMS [J].
SAUNDERS, NA ;
HARRISON, TG ;
HATHTHOTUWA, A ;
KACHWALLA, N ;
TAYLOR, AG .
JOURNAL OF MEDICAL MICROBIOLOGY, 1990, 31 (01) :45-55
[10]   SEROLOGICAL CLASSIFICATION OF XANTHOMONAS-MALTOPHILIA (PSEUDOMONAS-MALTOPHILIA) BASED ON HEAT-STABLE O ANTIGENS [J].
SCHABLE, B ;
RHODEN, DL ;
HUGH, R ;
WEAVER, RE ;
KHARDORI, N ;
SMITH, PB ;
BODEY, GP ;
ANDERSON, RL .
JOURNAL OF CLINICAL MICROBIOLOGY, 1989, 27 (05) :1011-1014