Clinical significance of hematuria in atrial fibrillation with oral anticoagulation therapy

Hee Tae Yu, Tae Hoon Kim, Jae Sun Uhm, Jong Youn Kim, Hui Nam Pak, Moon Hyoung Lee, Boyoung Joung

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Background: Hematuria is a common and important complication in atrial fibrillation (AF) patients on oral anticoagulation therapy (OAT). This study evaluated the clinical significance of hematuria and its relationship with genitourinary disease in AF patients receiving OAT. Methods and Results: Among 20,456 consecutive AF patients who visited a tertiary hospital from January 2005 to April 2015, 5,833 had hematuria. Of these 5,833 patients, 3,798 were on OAT (OAT(+) group) and 2,035 were not (OAT(–) group). A total of 1,785 patients from each group were then matched on propensity score analysis. The prevalence of cancer and other diseases in the genitourinary tract was evaluated. While there was no difference in the prevalence of genitourinary stones or urinary tract infection, genitourinary cancer was significantly more common in the OAT(+) group than in the OAT(–) group (1.6% vs. 0.7%, P=0.011). Bladder cancer was the most common genitourinary malignancy, and it was significantly more common in the OAT(+) group (1.2% vs. 0.5%, P=0.019). Subjects on warfarin were more likely to have bladder cancers of lower pathologic grade (63.6% vs. 33.3%, P=0.124). Conclusions: OAT was associated with a higher prevalence and early detection of genitourinary cancer in AF patients with hematuria. Meticulous evaluation of the cause of hematuria is necessary in AF patients with hematuria receiving OAT.

Original languageEnglish
Pages (from-to)158-164
Number of pages7
JournalCirculation Journal
Volume81
Issue number2
DOIs
Publication statusPublished - 2017

Bibliographical note

Funding Information:
This study was supported by a CMB-Yuhan research grant of Yonsei University College of Medicine (6-2015-0173), research grants from the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (NRF-2012R1A2A2A02045367), and a grant from the Korean Healthcare technology R&D project funded by the Ministry of Health and Welfare (HI16C0058, HI15C1200).

Publisher Copyright:
© 2017, Japanese Circulation Society. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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