Anterolateral papillary muscle rupture in Staphylococcus aureus endocarditis due to direct bacterial invasion of papillary muscle

• Published in: Echocardiography (Mount Kisco, N.Y.) Vol. 34; no. 9; pp. 1382 - 1384
• Main Authors: Whitehead, Nicholas James, Li, Sheila, Lai, Katy
• Format: Journal Article
• Language: English
• Published: United States 01-09-2017
• Subjects: Adult; bacterial endocarditis; Cardiac Surgical Procedures; Echocardiography, Transesophageal; endocarditis; Endocarditis, Bacterial - complications; Endocarditis, Bacterial - diagnosis; Endocarditis, Bacterial - microbiology; Heart Rupture - complications; Heart Rupture - diagnosis; Heart Rupture - surgery; Humans; Male; mitral regurgitation; Mitral Valve - diagnostic imaging; Mitral Valve - surgery; Mitral Valve Insufficiency - diagnosis; Mitral Valve Insufficiency - etiology; Mitral Valve Insufficiency - surgery; papillary muscles; Papillary Muscles - diagnostic imaging; Papillary Muscles - microbiology; rupture; Staphylococcal Infections - complications; Staphylococcal Infections - diagnosis; Staphylococcal Infections - microbiology; Staphylococcus aureus; Staphylococcus aureus - isolation & purification; Tomography, X-Ray Computed; papillary muscles; bacterial endocarditis; endocarditis; mitral regurgitation; Staphylococcus aureus; rupture
• ISSN: 0742-2822; 1540-8175
• DOI: 10.1111/echo.13640

Rupture of papillary muscles due to infective endocarditis is a very rare event. We report a case of anterolateral papillary muscle rupture caused by Staphylococcus aureus endocarditis, due to direct bacterial invasion of the papillary muscle, resulting in severe mitral regurgitation.