Ann Geriatr Med Res 2016; 20(4): 229-232
Drug Fever in an Elderly Patient After Pacemaker Implantation
Dong Wook Lee, Ju Hee Ha, Jun Ho Kim, Ki Beom Park, Jae Joon Lee, Han Il Choi, Jin Hee Kim
Department of Internal Medicine, Busan Medical Center, Busan, Korea
Correspondence to: Jin Hee Kim, MD Division of Cardiology, 
Department of Internal Medicine, Busan Medical Center, 359 Wordcup-daero, Yeonje-gu, Busan 47527, Korea 
Tel: +82-51-507-3000, 
Received: July 26, 2016; Revised: October 11, 2016; Accepted: October 17, 2016; Published online: December 31, 2016.
© The Korea Geriatrics Society. All rights reserved.

Pacemaker implantation-related infective endocarditis is an uncommon, but serious complication. The estimated incidence of infection after permanent endocardial pacemaker implantation varies from 0.2% to 3%. Infective endocarditis shows a mortality rate of 30% to 35%. Conservative medical treatment without removing the pacemaker is prone to failure, and reinfection rates of 51% to 77% have been noted in patients whose pacemaker systems become infected. Therefore, diagnosis of the primary infection is particularly important because surgical removal of the pacemaker system is usually required for its treatment. We describe here an 80-year-old woman who had drug fever that could have been misdiagnosed as infective endocarditis after pacemaker implantation.
Keywords: Pacemaker implantation, Drug fever, Infective endocarditis

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