The British Society for Antimicrobial Chemotherapy is working with the pharmaceutical industry to establish a series of antibiotic and antimicrobial resistance surveillance programmes. Image: microscope
The British Society for Antimicrobial Chemotherapy provides results from antibiotic resistance and antimicrobial resistance surveillance programmes. Image: British Society for Antimicrobial Chemotherapy Logo
The British Society for Antimicrobial Chemotherapy also offers analyses of the data in MRSA and MIC distributions. Image: British Society for Antimicrobial Chemotherapy Resistence Surviellance Websites

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Title Text
BREAKPOINT HISTORY
2012-11-14

BREAKPOINT HISTORY

From 14th November 2012, version 11.1 BSAC breakpoints (May 2012).

From 28th June 2011 to 14th November 2012, version 10.2 BSAC breakpoints (May 2011).

From 26th April 2011 to 28th June 2011, version 10 BSAC breakpoints (January 2011).

From 10th March 2010 to 26th April 2011, version 9 BSAC breakpoints (Jan 2010).

From 1st July 2009 to 10th March 2010, version 8 BSAC breakpoints (Jan 2009).

From 26th September 2008 to 1st July 2009, version 7.1 BSAC breakpoints (Feb 2008).

From 6th Feb 2007 to 26th Sept 2008, version 6.1 BSAC breakpoints (Feb 2007).

From 14th March 2006 to 6th Feb 2007, version 5 BSAC breakpoints (Jan 2006).

From January 2006 to 14th March 2006, version 4 BSAC breakpoints (Jan 2005).

At each time, some EUCAST breakpoints were used for a few combinations where BSAC breakpoints had not been set.

DEFINITIVE BREAKPOINTS
2012-11-14

DEFINITIVE BREAKPOINTS

This site lists breakpoints only for antibiotic/organism combinations tested in the BSAC Resistance Surveillance Project; they were extracted from BSAC and EUCAST sources in Aug 2012. Recommendations may have changed since then. Please visit the BSAC or EUCAST websites for the most recent complete annotated tables.

WHICH BREAKPOINTS?
2012-11-14

WHICH BREAKPOINTS?

The breakpoints used to classify isolates as susceptible/intemediate/resistant on this website are the version 11.1 BSAC breakpoints (May 2012), with a correction for Streptococci-oxa (S<=2). In a few cases, where BSAC breakpoints have not been set, EUCAST v 2.0 breakpoints (Jan 2012) are used (for S. pneumoniae with amp, cli, dor, min and tec; alpha-haemolytic streptococci with cxm, dor, ipm and mem; beta-haemolytic streptococci with lvx, min, mxf, rif and tec; enterococci with amc, amp, ipm and sxt; Acinetobacter with lvx and sxt; H. influenzae with dor, min and rif; and M. catarrhalis with ctx, dor ipm, mem and min).

More recent breakpoints may exist.

BACTERAEMIA DATA 2011 AVAILABLE
2012-10-16

BACTERAEMIA DATA 2011 AVAILABLE

Data for bacteraemia isolates collected in 2011 are now available. Click on the Bacteraemia Data link on the left.

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Notice IconUPDATED PROTOCOLS
26/02/2013
The protocols have been updated to cover respiratory isolates collected in 2011/12 and bacteraemia isolates collected in 2011.
Notice IconBACTERAEMIA DATA 2011 AVAILABLE
16/10/2012
Data for bacteraemia isolates collected in 2009 are now available. Click on the Bacteraemia Data link on the left.
Notice IconPRESENTATIONS FROM ICAAC 2012 AND ECCMID 2012
01/10/2012
Posters presented at these conferences are available for download from the Publications link on the left.
Notice IconRESPIRATORY DATA 2010/11 AVAILABLE
27/03/2012
Data for respiratory isolates collected in 2010/11 are now available. Click on the Respiratory Data link on the left to see these results.
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