Title

Carbapenem sparing in the management of post-transrectal prostate biopsy bacteraemia

RIS ID

137103

Publication Details

Trad, M., Materne, M., Reynolds, G., Yao, J., Miyakis, S., Skyring, T. & Newton, P. (2019). Carbapenem sparing in the management of post-transrectal prostate biopsy bacteraemia. ANZ Journal of Surgery, 89 (7-8), 935-939.

Abstract

Background: Sepsis following transrectal ultrasound (TRUS)-guided prostate biopsy is a major complication. With the emergence of multidrug-resistant organisms, empirical use of carbapenem antibiotics has been increasing. This study, conducted in the Illawarra Shoalhaven Local Health District (ISLHD), Australia, quantifies how much we can spare carbapenem use. Methods: A retrospective audit of patients who underwent TRUS prostate biopsy and were admitted post-operatively with proven bacteraemia between January 2007 and April 2016. Results: Of 2719 TRUS procedures, 50 (1.84%) cases had bacteraemia. The most common isolate was Escherichia coli in 44 of 50 (88%) of which six of 50 (12%) were extended-spectrum beta-lactamase (ESBL)-producing. Sixteen different empirical antimicrobial regimens were used, to which 42 of 50 (84%) of isolates were susceptible. Eight (16%) isolates were resistant to the chosen empiric combination, with five switched over to appropriate treatment once antimicrobial sensitivity results became available. Empirical carbapenem was utilized in 12 of 50 (24%) patients with only two of the ESBL isolates covered. A further 10 of 50 patients received carbapenems during their admission. Carbapenems could have been avoided in 18 of 22 (82%). A total of 86% of organisms (n = 43) were susceptible to the combination of amoxicillin-clavulanate and gentamicin. Conclusion: Although the rates of bacteraemia with ESBL-producing organisms post-TRUS biopsy are increasing, use of carbapenem-free combination antimicrobials as empirical therapy appears to be safe and effective in our setting. Clinicians can utilize local resistance patterns to inform targeted and appropriate therapy for septic patients.

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Link to publisher version (DOI)

http://dx.doi.org/10.1111/ans.15322