Table 1.

Clinical Characteristics, Microbiologic Findings, Management, and Outcomes of 5 Patients With Suspected Coronary Stent Abscess

	Case 1	Case 2	Case 3	Case 4	Case 5
Age, y	73	46	74	67	58
Sex	Male	Male	Male	Female	Male
Comorbidities	Diabetes, hypertension	None	Diabetes, hypertension	Diabetes, hypertension	None
Indication for index angioplasty	Non–ST-segment elevation myocardial infarction	Non–ST-segment elevation myocardial infarction	Inferior wall myocardial infarction	Unstable angina	Inferior wall myocardial infarction
Stent type	Everolimus-eluting	Sirolimus-eluting	Everolimus-eluting	Everolimus-eluting	Sirolimus-eluting
Stent model	XIENCE Sierra	PathFinder	Tetrilimus	XIENCE Xpedition	M'Sure-S
Manufacturer	Abbott	Sahajanand Laser Technology Limited	Sahajanand Medical Technologies	Abbott	Relisys Medical Devices Limited
Vessel affected	LM, LAD	LAD	RCA	RCA	LCx
Time interval between PCI and initial presentation to hospital	2 mo	1 wk	2 wk	4 d	3 mo
Presenting symptom	Fever, chest pain	Fever	Fever, chest pain	Fever, chest pain	Fever, chest pain
Hemodynamic compromise or heart failure	Yes	No	No	No	No
LV function	Moderate LV dysfunction	Good LV function	Good LV function	Mild LV dysfunction	Severe LV dysfunction
Pseudoaneurysm	Yes	Yes	Yes	Yes	Yes
Blood culture	Staphylococcus aureus	Pseudomonas aeruginosa	Sterile	Staphylococcus hominis	Sterile
Diagnosis of stent abscess	Definite	Definite	Possible	Probable	Unlikely
Intervention	Pseudoaneurysm repair + stent retrieval + Mitral valve repair + CABG	Pseudoaneurysm repair + stent retrieval + CABG	Covered stent implantation	Pseudoaneurysm repair + stent retrieval + CABG	Planned elective pseudoaneurysm repair + stent retrieval + CABG
Outcome	Died	Survived	Died	Survived	Survived

CABG = coronary artery bypass grafting; LAD = left anterior descending; LCx = left circumflex; LM = left main; LV = left ventricular; PCI = percutaneous coronary intervention; RCA = right coronary artery.