EPIDEMIOLOGY OF CAPD-ASSOCIATED PERITONITIS CAUSED BY COAGULASE-NEGATIVE STAPHYLOCOCCI - COMPARISON OF STRAINS ISOLATED FROM HANDS, ABDOMINAL TENCKHOFF CATHETER EXIT SITE AND PERITONEAL-FLUID

被引:10
作者
BROWN, AL
STEPHENSON, JR
BAKER, LRI
TABAQCHALI, S
机构
[1] ST BARTHOLOMEWS HOSP,DEPT NEPHROL,LONDON EC1A 7BE,ENGLAND
[2] ST BARTHOLOMEWS HOSP,DEPT MED MICROBIOL,LONDON EC1A 7BE,ENGLAND
关键词
CAPD; COAGULASE-NEGATIVE STAPHYLOCOCCI; EPIDEMIOLOGY; PERITONITIS;
D O I
10.1093/ndt/6.9.643
中图分类号
R3 [基础医学]; R4 [临床医学];
学科分类号
1001 ; 1002 ; 100602 ;
摘要
We identified twenty patients maintained on continuous ambulatory peritoneal dialysis who suffered repeated episodes of peritonitis caused by coagulase-negative staphylococci. We documented hand and exit-site coagulase-negative staphylococci at presentation with coagulase-negative staphylococcus-associated peritonitis over a total period of 32 months, and compared hand and exit-site strains with strains isolated from dialysate fluid using three typing methods: biotyping using the API Staph kit plus antibiograms, immunoblotting using sera raised in rabbits to three standard strains of coagulase-negative staphylococci, and S-35-methionine-labelled coagulase-negative staphylococcal profiles separated on sodium dodecylsulphate polyacrylamide gel electrophoresis and visualised by autoradiography (radioPAGE). In 5 of 84 episodes, strains isolated from skin were indistinguishable by all three typing methods from the dialysate strain. In a further two episodes, hand or exit-site isolates were indistinguishable by all three typing methods from the dialysate strain isolated in the subsequent, but not the same, episode. Thus in the majority of episodes, no inference of hand or exit-site origin of dialysate infection could be drawn.
引用
收藏
页码:643 / 648
页数:6
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