A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)

Abstract Background The Korean Registry of Target Organ Damage in Hypertension aims to evaluate the clinical characteristics and prevalence of subclinical target organ damage in Korean hypertensive patients. Method This is a prospective, observational, multicenter cohort study in which 23 university...

Full description

Bibliographic Details
Main Authors: Suk-Won Choi, Seong Woo Han, Jong Sun Ok, Byung-Su Yoo, Mi-Seung Shin, Sung Ha Park, Kyu-Hyung Ryu
Format: Article
Language:English
Published: BMC 2017-08-01
Series:Clinical Hypertension
Subjects:
Online Access:http://link.springer.com/article/10.1186/s40885-017-0072-2
_version_ 1818421509368053760
author Suk-Won Choi
Seong Woo Han
Jong Sun Ok
Byung-Su Yoo
Mi-Seung Shin
Sung Ha Park
Kyu-Hyung Ryu
author_facet Suk-Won Choi
Seong Woo Han
Jong Sun Ok
Byung-Su Yoo
Mi-Seung Shin
Sung Ha Park
Kyu-Hyung Ryu
author_sort Suk-Won Choi
collection DOAJ
description Abstract Background The Korean Registry of Target Organ Damage in Hypertension aims to evaluate the clinical characteristics and prevalence of subclinical target organ damage in Korean hypertensive patients. Method This is a prospective, observational, multicenter cohort study in which 23 university hospitals participated. Since May 2013, we have enrolled 1,318 consecutive hypertensive patients without known cardiovascular disease who met the following inclusion criteria: 1) age older than 30 years and 2) the first visit to the participating hospitals was within the last 5 years. Results The mean age was 52 ± 12 years; 62.1% were male, and 41.3% were incident hypertensives. Patients with diabetes mellitus accounted for 7.8% of the population and 43.8% had hyperlipidemia or were on statins at baseline. The mean office blood pressures were 152 ± 20/96 ± 14 mmHg for incident hypertensive patients and 129 ± 13/78 ± 10 mmHg for patients on treatment. Patients with electrocardiographic and echocardiographic left ventricular hypertrophy accounted for 18.9 and 25.6%, respectively. The mean brachial-ankle pulse wave velocity (PWV) was 1564 ± 293 m/s and 19.5% had PWV values of more than 1750 cm/s. Patients with microalbuminuria and chronic kidney disease accounted for 21 and 4%, respectively. The first prescribed class of antihypertensive medications was angiotensin converting enzyme inhibitors in 2.9%, angiotensin receptor blockers (ARBs) in 57.5%, diuretics in 7.6%, calcium channel blockers (CCBs) in 61.0%, beta blockers in 17.3%, and fixed dose combination pill in 27.8%. Conclusion Our interim analysis shows that subclinical target organ damage in hypertension is considerably present for incident or treated hypertensive patients. CCBs and ARBs were the most commonly prescribed classes of antihypertensive medications and fixed dose combination pills were actively used in Korea. Trial registration NCT01861080 . Registered 16 May 2013
first_indexed 2024-12-14T13:11:29Z
format Article
id doaj.art-104a1ee1cfb5455c9194012b0e41dda8
institution Directory Open Access Journal
issn 2056-5909
language English
last_indexed 2024-12-14T13:11:29Z
publishDate 2017-08-01
publisher BMC
record_format Article
series Clinical Hypertension
spelling doaj.art-104a1ee1cfb5455c9194012b0e41dda82022-12-21T23:00:10ZengBMCClinical Hypertension2056-59092017-08-012311710.1186/s40885-017-0072-2A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)Suk-Won Choi0Seong Woo Han1Jong Sun Ok2Byung-Su Yoo3Mi-Seung Shin4Sung Ha Park5Kyu-Hyung Ryu6Division of Cardiology, Department of Internal Medicine, Dongtan Sacred Heart Hospital, Hallym UniversityDivision of Cardiology, Department of Internal Medicine, Dongtan Sacred Heart Hospital, Hallym UniversityDivision of Cardiology, Department of Internal Medicine, Dongtan Sacred Heart Hospital, Hallym UniversityDivision of Cardiology, Department of Internal Medicine, Yonsei University Wonju Severance Christian HospitalDivision of Cardiology, Department of Internal Medicine, Gachon University Gil Medical CenterDivision of Cardiology, Department of Internal Medicine, Severance Cardiovascular HospitalDivision of Cardiology, Department of Internal Medicine, Dongtan Sacred Heart Hospital, Hallym UniversityAbstract Background The Korean Registry of Target Organ Damage in Hypertension aims to evaluate the clinical characteristics and prevalence of subclinical target organ damage in Korean hypertensive patients. Method This is a prospective, observational, multicenter cohort study in which 23 university hospitals participated. Since May 2013, we have enrolled 1,318 consecutive hypertensive patients without known cardiovascular disease who met the following inclusion criteria: 1) age older than 30 years and 2) the first visit to the participating hospitals was within the last 5 years. Results The mean age was 52 ± 12 years; 62.1% were male, and 41.3% were incident hypertensives. Patients with diabetes mellitus accounted for 7.8% of the population and 43.8% had hyperlipidemia or were on statins at baseline. The mean office blood pressures were 152 ± 20/96 ± 14 mmHg for incident hypertensive patients and 129 ± 13/78 ± 10 mmHg for patients on treatment. Patients with electrocardiographic and echocardiographic left ventricular hypertrophy accounted for 18.9 and 25.6%, respectively. The mean brachial-ankle pulse wave velocity (PWV) was 1564 ± 293 m/s and 19.5% had PWV values of more than 1750 cm/s. Patients with microalbuminuria and chronic kidney disease accounted for 21 and 4%, respectively. The first prescribed class of antihypertensive medications was angiotensin converting enzyme inhibitors in 2.9%, angiotensin receptor blockers (ARBs) in 57.5%, diuretics in 7.6%, calcium channel blockers (CCBs) in 61.0%, beta blockers in 17.3%, and fixed dose combination pill in 27.8%. Conclusion Our interim analysis shows that subclinical target organ damage in hypertension is considerably present for incident or treated hypertensive patients. CCBs and ARBs were the most commonly prescribed classes of antihypertensive medications and fixed dose combination pills were actively used in Korea. Trial registration NCT01861080 . Registered 16 May 2013http://link.springer.com/article/10.1186/s40885-017-0072-2Target organ damageHypertension
spellingShingle Suk-Won Choi
Seong Woo Han
Jong Sun Ok
Byung-Su Yoo
Mi-Seung Shin
Sung Ha Park
Kyu-Hyung Ryu
A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
Clinical Hypertension
Target organ damage
Hypertension
title A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
title_full A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
title_fullStr A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
title_full_unstemmed A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
title_short A multicenter cohort study of primary hypertension in Korea: study design and interim analysis of the Korean registry of target organ damage in hypertension (KorHR)
title_sort multicenter cohort study of primary hypertension in korea study design and interim analysis of the korean registry of target organ damage in hypertension korhr
topic Target organ damage
Hypertension
url http://link.springer.com/article/10.1186/s40885-017-0072-2
work_keys_str_mv AT sukwonchoi amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT seongwoohan amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT jongsunok amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT byungsuyoo amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT miseungshin amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT sunghapark amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT kyuhyungryu amulticentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT sukwonchoi multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT seongwoohan multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT jongsunok multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT byungsuyoo multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT miseungshin multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT sunghapark multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr
AT kyuhyungryu multicentercohortstudyofprimaryhypertensioninkoreastudydesignandinterimanalysisofthekoreanregistryoftargetorgandamageinhypertensionkorhr