Ewha Med J.  2011 Sep;34(2):51-54. 10.12771/emj.2011.34.2.51.

A Case of Pulmonary Artery Endarteritis due to Staphylococcus lugdunensis in Patient with Clinically Silent Patent Ductus Arteriosus

• Lee M
• Song HJ
• Lee JA

• KMID: 2283970
• DOI: http://doi.org/10.12771/emj.2011.34.2.51

Abstract

Staphylococcus lugdunensis (S. lugdunensis) is an unusually virulent coagulase-negative staphylococci (CNS) and uncommon cause of infective endocarditis (IE) involving mainly native left sided valves. S. lugdunensis IE, which was described previously as "surreptitious" and "wolf in sheep's clothing", runs an aggressive course with a high rate of severe in-hospital complications. Therefore, early surgical treatment has been considered for the treatment of S. lugdunensis IE. However, we experienced a case of S. lugdunensis pulmonary endarteritis which was cured with antibiotic therapy alone.

Keyword

Staphylococcus lugdunensis; Pulmonary endarteritis

MeSH Terms

Ductus Arteriosus, Patent
Endarteritis
Endocarditis
Humans
Pulmonary Artery
Staphylococcus
Staphylococcus lugdunensis

Figure

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  Fig. 1 Transthorasic echocardiography finding. Patent ductus arteriosus communicated with descending aorta and Lt. pulmonary artery is noted.

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  Fig. 2 Transthorasic echocardiography finding. A 1.5×1.0 cm sized vegetation at left pulmonary artery is seen.

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  Fig. 3 Chest CT finding. Chest CT on hospital day 3 shows embolism in left pulmonary artery.

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  Fig. 4 Chest CT finding. One month later, embolism in left pulmonary artery is disappeared.

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