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J Thorac Cardiovasc Surg 2010;139:e34-e35
© 2010 The American Association for Thoracic Surgery

Brief Clinical Report

A rare case of Klebsiella pneumoniae myocardial abscess

^a Department of Medicine, Division of Cardiovascular Diseases, University of Cincinnati, Cincinnati, Ohio
^b Department of Medicine, University of Cincinnati, Cincinnati, Ohio
^c Department of Cardiothoracic Surgery, University of Cincinnati, Cincinnati, Ohio

Received for publication March 31, 2008; accepted for publication July 6, 2008.

^_* Address for reprints: Mohammad Abdul Waheed, MD, University of Cincinnati, Department of Medicine, Division of Cardiovascular Diseases, 231 Albert Sabin Way, Cincinnati, OH. (Email: abdulwm@ucmail.uc.edu).

The first 20% of the full text of this article appears below.

	Introduction

 
Myocardial abscess of the left ventricular free wall in the absence of infective endocarditis (IE) is very unusual. Most cases are discovered during autopsies and are due to Gram-positive cocci.^1,2 We present a rare case of Klebsiella pneumoniae causing myocardial abscess of the left ventricular free wall. The patient had no evidence of valvular endocarditis or bacteremia, and the abscess was discovered during coronary artery bypass grafting surgery (CABG).

	Clinical Summary

 
A 58-year-old obese woman with history of diabetes mellitus and coronary artery disease presented to the outpatient clinic with a 2-day history of left-sided chest discomfort and associated nausea. It was constant and did not change with posture or inspiration. She denied any shortness of breath, cough, fevers, chills, or night sweats. Physical exam was unremarkable, and a white blood cell count was within normal limits. An electrocardiogram revealed mild ST elevations in inferior leads, and she was promptly sent to the cardiac catheterization laboratory where she . . . [Full Text of this Article]