Aortic Root Abscess with Aorta to Right Atrium Fistula due to Vancomycin-Intermediate Staphylococcus aureus (VISA)

Table 1

Culture data during protracted use of vancomycin.

Type of culture	Date	Organism	Vancomycin MIC (μg/mL)
Left foot wound	11/10/2017	MRSA	≤0.5
Blood	2/27/2018	MRSA	1
Blood	4/16/2018	MRSA	2
Blood	4/26/2018	MRSA	4