Optimal dose of dabigatran for the prevention of thromboembolism with minimal bleeding risk in Korean patients with atrial fibrillation

We aim to determine the optimal dose of dabigatran in Korean patients with atrial fibrillation (AF). We analysed 1834 patients with non-valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further class...

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Veröffentlicht in:Europace (London, England) England), 2017-12, Vol.19 (suppl_4), p.iv1-iv9
Hauptverfasser: Lee, Ki Hong, Park, Hyung Wook, Lee, Nuri, Hyun, Dae Young, Won, Jumin, Oh, Sung Sik, Park, Hyuk Jin, Kim, Yongcheol, Cho, Jae Yeong, Kim, Min Chul, Sim, Doo Sun, Yoon, Hyun Joo, Yoon, Nam Sik, Kim, Kye Hun, Hong, Young Joon, Kim, Ju Han, Ahn, Youngkeun, Jeong, Myung Ho, Park, Jong Chun, Cho, Jeong Gwan
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container_issue suppl_4
container_start_page iv1
container_title Europace (London, England)
container_volume 19
creator Lee, Ki Hong
Park, Hyung Wook
Lee, Nuri
Hyun, Dae Young
Won, Jumin
Oh, Sung Sik
Park, Hyuk Jin
Kim, Yongcheol
Cho, Jae Yeong
Kim, Min Chul
Sim, Doo Sun
Yoon, Hyun Joo
Yoon, Nam Sik
Kim, Kye Hun
Hong, Young Joon
Kim, Ju Han
Ahn, Youngkeun
Jeong, Myung Ho
Park, Jong Chun
Cho, Jeong Gwan
description We aim to determine the optimal dose of dabigatran in Korean patients with atrial fibrillation (AF). We analysed 1834 patients with non-valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further classified into patients concordant (co-D110, n = 367) and patients discordant (di-D110, n = 183) with guidelines to dose reduction. Propensity-matched 1-year clinical outcomes were then compared. Efficacy outcomes were defined as thromboembolism composed of new-onset stroke or systemic embolism. Safety outcomes were major bleeding. Both D150 and D110 had comparable efficacies as warfarin. However, only D110 significantly lowered the risk of major bleeding [hazard ratio (HR) 0.19, 95% confidence interval (CI) 0.07-0.55, P = 0.002]. In a subgroup analysis according to guideline-concordant indications for dose reduction, both co-D110 and di-D110 displayed a comparable efficacy as warfarin. Both co-D110 (HR 0.22, 95% CI 0.06-0.76, P = 0.017) and di-D110 (HR 0.11, 95% CI 0.02-0.81, P = 0.030) significantly lowered incidences of major bleeding. There were no differences in the efficacy and safety between di-D110 and D150, and net clinical outcomes were similar. Although D150 and D110 had a comparable efficacy, only D110 lowered the risk of major bleeding in Korean AF patients compared with warfarin. Even the guideline-discordant use of dabigatran 110 mg demonstrated a similar efficacy and safety compared with D150. However, further prospective randomized trials are needed in order to comprehensively evaluate whether D150 or D110 is the optimal dosage in Asian patients with AF.
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We analysed 1834 patients with non-valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further classified into patients concordant (co-D110, n = 367) and patients discordant (di-D110, n = 183) with guidelines to dose reduction. Propensity-matched 1-year clinical outcomes were then compared. Efficacy outcomes were defined as thromboembolism composed of new-onset stroke or systemic embolism. Safety outcomes were major bleeding. Both D150 and D110 had comparable efficacies as warfarin. However, only D110 significantly lowered the risk of major bleeding [hazard ratio (HR) 0.19, 95% confidence interval (CI) 0.07-0.55, P = 0.002]. In a subgroup analysis according to guideline-concordant indications for dose reduction, both co-D110 and di-D110 displayed a comparable efficacy as warfarin. Both co-D110 (HR 0.22, 95% CI 0.06-0.76, P = 0.017) and di-D110 (HR 0.11, 95% CI 0.02-0.81, P = 0.030) significantly lowered incidences of major bleeding. There were no differences in the efficacy and safety between di-D110 and D150, and net clinical outcomes were similar. Although D150 and D110 had a comparable efficacy, only D110 lowered the risk of major bleeding in Korean AF patients compared with warfarin. Even the guideline-discordant use of dabigatran 110 mg demonstrated a similar efficacy and safety compared with D150. 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We analysed 1834 patients with non-valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further classified into patients concordant (co-D110, n = 367) and patients discordant (di-D110, n = 183) with guidelines to dose reduction. Propensity-matched 1-year clinical outcomes were then compared. Efficacy outcomes were defined as thromboembolism composed of new-onset stroke or systemic embolism. Safety outcomes were major bleeding. Both D150 and D110 had comparable efficacies as warfarin. However, only D110 significantly lowered the risk of major bleeding [hazard ratio (HR) 0.19, 95% confidence interval (CI) 0.07-0.55, P = 0.002]. In a subgroup analysis according to guideline-concordant indications for dose reduction, both co-D110 and di-D110 displayed a comparable efficacy as warfarin. Both co-D110 (HR 0.22, 95% CI 0.06-0.76, P = 0.017) and di-D110 (HR 0.11, 95% CI 0.02-0.81, P = 0.030) significantly lowered incidences of major bleeding. There were no differences in the efficacy and safety between di-D110 and D150, and net clinical outcomes were similar. Although D150 and D110 had a comparable efficacy, only D110 lowered the risk of major bleeding in Korean AF patients compared with warfarin. Even the guideline-discordant use of dabigatran 110 mg demonstrated a similar efficacy and safety compared with D150. 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control</subject><subject>Thromboembolism - blood</subject><subject>Thromboembolism - diagnosis</subject><subject>Thromboembolism - etiology</subject><subject>Thromboembolism - prevention &amp; control</subject><subject>Time Factors</subject><subject>Treatment Outcome</subject><subject>Warfarin - administration &amp; dosage</subject><subject>Warfarin - adverse effects</subject><issn>1099-5129</issn><issn>1532-2092</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kMtOwzAQRS0EoqWwZof8A6F-pamXqOIlKnUD68iPSWtI4sh2eXwBv41LKYvRzOLco9FF6JKSa0okn8I2-EEZyMcnE9URGtOSs4IRyY7zTaQsSsrkCJ3F-EoIqZgsT9GIScaIYHSMvldDcp1qsfURsG-wVdqtVQqqx40POG0ADwHeoU_O9zsgbYLvtIc8rYsd_nBpgzvX_1p0C2Bdv8bBxTfsevzkA2TVoJLLirins95luHE6uLZVO_M5OmlUG-Hib0_Qy93t8-KhWK7uHxc3y8JwPk-FKTWzlAvgzCrQgokGrDa8oqJUwsyJEJQ0nFsr5Ew3hqtKWlISJk1ZzciMT9B07zXBxxigqYeQPw9fNSX1rtL6UGm9rzQnrvaJYas7sP_8oUP-AyDaeOk</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Lee, Ki Hong</creator><creator>Park, Hyung Wook</creator><creator>Lee, Nuri</creator><creator>Hyun, Dae Young</creator><creator>Won, Jumin</creator><creator>Oh, Sung Sik</creator><creator>Park, Hyuk Jin</creator><creator>Kim, Yongcheol</creator><creator>Cho, Jae Yeong</creator><creator>Kim, Min Chul</creator><creator>Sim, Doo Sun</creator><creator>Yoon, Hyun Joo</creator><creator>Yoon, Nam Sik</creator><creator>Kim, Kye Hun</creator><creator>Hong, Young Joon</creator><creator>Kim, Ju Han</creator><creator>Ahn, Youngkeun</creator><creator>Jeong, Myung Ho</creator><creator>Park, Jong Chun</creator><creator>Cho, Jeong Gwan</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20171201</creationdate><title>Optimal dose of dabigatran for the prevention of thromboembolism with minimal bleeding risk in Korean patients with atrial fibrillation</title><author>Lee, Ki Hong ; Park, Hyung Wook ; Lee, Nuri ; Hyun, Dae Young ; Won, Jumin ; Oh, Sung Sik ; Park, Hyuk Jin ; Kim, Yongcheol ; Cho, Jae Yeong ; Kim, Min Chul ; Sim, Doo Sun ; Yoon, Hyun Joo ; Yoon, Nam Sik ; Kim, Kye Hun ; Hong, Young Joon ; Kim, Ju Han ; Ahn, Youngkeun ; Jeong, Myung Ho ; Park, Jong Chun ; Cho, Jeong Gwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-c5b2d134e32daeb424fedbc37145a4c804410f33dd496bfc3a79d05029c576063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Anticoagulants - administration &amp; dosage</topic><topic>Anticoagulants - adverse effects</topic><topic>Antithrombins - administration &amp; dosage</topic><topic>Antithrombins - adverse effects</topic><topic>Atrial Fibrillation - blood</topic><topic>Atrial Fibrillation - complications</topic><topic>Atrial Fibrillation - diagnosis</topic><topic>Atrial Fibrillation - drug therapy</topic><topic>Blood Coagulation - drug effects</topic><topic>Chi-Square Distribution</topic><topic>Dabigatran - administration &amp; dosage</topic><topic>Dabigatran - adverse effects</topic><topic>Female</topic><topic>Hemorrhage - chemically induced</topic><topic>Hemorrhage - prevention &amp; control</topic><topic>Humans</topic><topic>Kaplan-Meier Estimate</topic><topic>Logistic Models</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Propensity Score</topic><topic>Proportional Hazards Models</topic><topic>Republic of Korea</topic><topic>Retrospective Studies</topic><topic>Risk Assessment</topic><topic>Risk Factors</topic><topic>Stroke - blood</topic><topic>Stroke - diagnosis</topic><topic>Stroke - etiology</topic><topic>Stroke - prevention &amp; control</topic><topic>Thromboembolism - blood</topic><topic>Thromboembolism - diagnosis</topic><topic>Thromboembolism - etiology</topic><topic>Thromboembolism - prevention &amp; control</topic><topic>Time Factors</topic><topic>Treatment Outcome</topic><topic>Warfarin - administration &amp; dosage</topic><topic>Warfarin - adverse effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Ki Hong</creatorcontrib><creatorcontrib>Park, Hyung Wook</creatorcontrib><creatorcontrib>Lee, Nuri</creatorcontrib><creatorcontrib>Hyun, Dae Young</creatorcontrib><creatorcontrib>Won, Jumin</creatorcontrib><creatorcontrib>Oh, Sung Sik</creatorcontrib><creatorcontrib>Park, Hyuk Jin</creatorcontrib><creatorcontrib>Kim, Yongcheol</creatorcontrib><creatorcontrib>Cho, Jae Yeong</creatorcontrib><creatorcontrib>Kim, Min Chul</creatorcontrib><creatorcontrib>Sim, Doo Sun</creatorcontrib><creatorcontrib>Yoon, Hyun Joo</creatorcontrib><creatorcontrib>Yoon, Nam Sik</creatorcontrib><creatorcontrib>Kim, Kye Hun</creatorcontrib><creatorcontrib>Hong, Young Joon</creatorcontrib><creatorcontrib>Kim, Ju Han</creatorcontrib><creatorcontrib>Ahn, Youngkeun</creatorcontrib><creatorcontrib>Jeong, Myung Ho</creatorcontrib><creatorcontrib>Park, Jong Chun</creatorcontrib><creatorcontrib>Cho, Jeong Gwan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Europace (London, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Ki Hong</au><au>Park, Hyung Wook</au><au>Lee, Nuri</au><au>Hyun, Dae Young</au><au>Won, Jumin</au><au>Oh, Sung Sik</au><au>Park, Hyuk Jin</au><au>Kim, Yongcheol</au><au>Cho, Jae Yeong</au><au>Kim, Min Chul</au><au>Sim, Doo Sun</au><au>Yoon, Hyun Joo</au><au>Yoon, Nam Sik</au><au>Kim, Kye Hun</au><au>Hong, Young Joon</au><au>Kim, Ju Han</au><au>Ahn, Youngkeun</au><au>Jeong, Myung Ho</au><au>Park, Jong Chun</au><au>Cho, Jeong Gwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimal dose of dabigatran for the prevention of thromboembolism with minimal bleeding risk in Korean patients with atrial fibrillation</atitle><jtitle>Europace (London, England)</jtitle><addtitle>Europace</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>19</volume><issue>suppl_4</issue><spage>iv1</spage><epage>iv9</epage><pages>iv1-iv9</pages><issn>1099-5129</issn><eissn>1532-2092</eissn><abstract>We aim to determine the optimal dose of dabigatran in Korean patients with atrial fibrillation (AF). We analysed 1834 patients with non-valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further classified into patients concordant (co-D110, n = 367) and patients discordant (di-D110, n = 183) with guidelines to dose reduction. Propensity-matched 1-year clinical outcomes were then compared. Efficacy outcomes were defined as thromboembolism composed of new-onset stroke or systemic embolism. Safety outcomes were major bleeding. Both D150 and D110 had comparable efficacies as warfarin. However, only D110 significantly lowered the risk of major bleeding [hazard ratio (HR) 0.19, 95% confidence interval (CI) 0.07-0.55, P = 0.002]. In a subgroup analysis according to guideline-concordant indications for dose reduction, both co-D110 and di-D110 displayed a comparable efficacy as warfarin. Both co-D110 (HR 0.22, 95% CI 0.06-0.76, P = 0.017) and di-D110 (HR 0.11, 95% CI 0.02-0.81, P = 0.030) significantly lowered incidences of major bleeding. There were no differences in the efficacy and safety between di-D110 and D150, and net clinical outcomes were similar. Although D150 and D110 had a comparable efficacy, only D110 lowered the risk of major bleeding in Korean AF patients compared with warfarin. Even the guideline-discordant use of dabigatran 110 mg demonstrated a similar efficacy and safety compared with D150. However, further prospective randomized trials are needed in order to comprehensively evaluate whether D150 or D110 is the optimal dosage in Asian patients with AF.</abstract><cop>England</cop><pmid>29220421</pmid><doi>10.1093/europace/eux247</doi><oa>free_for_read</oa></addata></record>
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source MEDLINE; Access via Oxford University Press (Open Access Collection); Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Alma/SFX Local Collection
subjects Aged
Aged, 80 and over
Anticoagulants - administration & dosage
Anticoagulants - adverse effects
Antithrombins - administration & dosage
Antithrombins - adverse effects
Atrial Fibrillation - blood
Atrial Fibrillation - complications
Atrial Fibrillation - diagnosis
Atrial Fibrillation - drug therapy
Blood Coagulation - drug effects
Chi-Square Distribution
Dabigatran - administration & dosage
Dabigatran - adverse effects
Female
Hemorrhage - chemically induced
Hemorrhage - prevention & control
Humans
Kaplan-Meier Estimate
Logistic Models
Male
Middle Aged
Propensity Score
Proportional Hazards Models
Republic of Korea
Retrospective Studies
Risk Assessment
Risk Factors
Stroke - blood
Stroke - diagnosis
Stroke - etiology
Stroke - prevention & control
Thromboembolism - blood
Thromboembolism - diagnosis
Thromboembolism - etiology
Thromboembolism - prevention & control
Time Factors
Treatment Outcome
Warfarin - administration & dosage
Warfarin - adverse effects
title Optimal dose of dabigatran for the prevention of thromboembolism with minimal bleeding risk in Korean patients with atrial fibrillation
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