• Henry M Rosevear, Andrew J Lightfoot, Kenneth G Nepple, and Michael A O'Donnell.
• Department of Urology, University of Iowa, Iowa City, Iowa 52242-1089, USA.
• J. Urol. 2010 Nov 1; 184 (5): 1920-4.

PurposePatients with bladder cancer who have prosthetic devices, such as a cardiac pacemaker, artificial heart valve or orthopedic hardware, and who undergo intravesical bacillus Calmette-Guérin therapy are theoretically at higher risk for complications, including bacterial seeding of pacemaker wires or orthopedic hardware, and at further risk for infective endocarditis. We assessed the safety and efficacy of bacillus Calmette-Guérin plus interferon α-2b therapy in patients with nonmuscle invasive bladder cancer and a pacemaker, artificial heart valve or orthopedic hardware.Materials And MethodsWe evaluated 1,045 patients with nonmuscle invasive bladder cancer enrolled in a multicenter American phase II trial of bacillus Calmette-Guérin plus interferon α-2b therapy, including 143 with a prosthetic device (pacemaker in 87, artificial heart valve in 13 and orthopedic hardware in 43). Weekly physician toxicity assessments and standard adverse effect reporting were done.ResultsNo patient had infective endocarditis or hardware infection. One patient with a pacemaker, 2 with orthopedic hardware and none with an artificial heart valve required treatment cessation for fever greater than 102.5F. All defervesced within 24 hours and had no long-term sequelae. Due to intolerable, nonlife threatening side effects 12 patients with a pacemaker, 2 with orthopedic hardware and 1 with an artificial heart valve stopped treatment. Of the remaining patients with a prosthesis 99 and 24 stopped treatment due to intolerable, nonlife threatening and serious side effects, respectively.ConclusionsPatients with a pacemaker, artificial heart valve or orthopedic hardware were no more likely than the general population to have infection or fever, or discontinue treatment due to side effects. These patients should not be excluded from intravesical bacillus Calmette-Guérin plus interferon α-2b therapy for nonmuscle invasive bladder cancer.Copyright © 2010 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved.

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