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Staphylococcus lugdunensis.

K F Barker¹, J C O'Driscoll, A Bhargava

¹Public Health Laboratory, St George's Hospital, London.

Journal of Clinical Pathology

|October 1, 1991

Summary

This summary is machine-generated.

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Penicillin-resistant Staphylococcus lugdunensis caused fatal endocarditis. This rare bacterium was not found in 978 coagulase-negative staphylococcal isolates, highlighting ornithine decarboxylase as the key identification method.

Area of Science:

Microbiology
Infectious Diseases
Clinical Medicine

Background:

Staphylococcus lugdunensis is a coagulase-negative staphylococcal species.
Endocarditis is a serious infection of the heart valves.
Rheumatic heart disease can predispose individuals to valve damage and subsequent infections.

Observation:

A fatal case of endocarditis caused by penicillin-resistant Staphylococcus lugdunensis on a rheumatic heart disease-damaged native valve is presented.
A retrospective analysis of 978 coagulase-negative staphylococcal blood culture isolates was conducted.
Staphylococcus lugdunensis was not identified in any of the 978 isolates examined.

Findings:

Penicillin resistance in Staphylococcus lugdunensis poses a significant clinical challenge.

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The isolation frequency of Staphylococcus lugdunensis from blood cultures appears to be low.

Ornithine decarboxylase production is identified as the sole reliable method for accurate Staphylococcus lugdunensis identification.

Implications:

Accurate and rapid identification of Staphylococcus lugdunensis is crucial for effective treatment of endocarditis.
Clinicians should consider Staphylococcus lugdunensis in cases of endocarditis, especially with resistant strains.
Further research into the prevalence and diagnostic methods for Staphylococcus lugdunensis is warranted.