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Conference Paper: Cardiovascular risk factors in Hong Kong: an update

TitleCardiovascular risk factors in Hong Kong: an update
Authors
KeywordsCardiovascular disease
Issue Date2010
PublisherHong Kong College of Cardiology. The Journal's web site is located at http://www.hkcchk.com/journals.php#3
Citation
The 14th Annual Scientific Meeting of the Institute of Cardiovascular Science and Medicine (ICSM), Hong Kong, 18 December 2010. In Journal of the Hong Kong College of Cardiology, 2010, v. 18 n. 2, p. 62, abstract no. no. IL1 How to Cite?
AbstractThe Hong Kong Cardiovascular Risk Factor Prevalence Study (CRISPS) was initiated in 1995-96, when 2895 Hong Kong adults aged 25-75 were recruited from the general population in Hong Kong using random domestic telephone numbers. This became a cohort study (CRISPS2) when 1944 participants were contacted and returned for follow-up in 2000-04. The third round of follow-up was conducted in 2005-08 (CRISPS3). The overall aim of the cohort study is to determine the prevalence of cardiovascular risk factors, including hypertension, diabetes and dyslipidaemia, and to find out the factors that predispose to the development of these conditions in Hong Kong Chinese. Previously, we have found that impaired glucose tolerance confers an overwhelming risk of developing diabetes. We have also traced the natural history of the development of the metabolic syndrome, which usually starts with central obesity, followed by dyslipidaemia and then diabetes and hypertension. We reported that the metabolic syndrome predicts the development of hypertension and is associated with increased mortality. In CRISPS3, the prevalence of general obesity, defined as a body mass index (BMI) of 27.5 kg/m2 or greater, has not increased since CRISPS1 (16.8% in CRISPS1, 15.7% in CRISPS2 and 14.9% in CRISPS3). However, the percentage of the cohort with abdominal obesity, defined as a waist circumference ≥90 cm in men or ≥80 cm in women, increased significantly from 25.4% in CRISPS1 to 41.4% in CRISPS3. At the same time, the prevalence of hypertension increased from 18.1% in CRISPS1 to 39.6% in CRISPS3. This increase remains significant after adjusting for age. Our findings confirm the importance of waist circumference in this population, as calculating the BMI alone may give a false sense of security. The prevalence of hypertension in Hong Kong is now approaching the level in developed countries such as the United States. Current efforts are channelled towards the detection and treatment of hypertension in middle and old age. The linear rise in the prevalence of hypertension with age means that measures to prevent hypertension, such as a healthy diet and regular physical activity, should start early in life. Our analysis of cancer incidence in CRISPS3 suggests a link between insulin resistance and risk of cancer, so tackling obesity may also be beneficial in terms of reducing cancer risk. In CRISPS, DNA has been collected and analysed for association with the development of cardiovascular diseases. Some of these studies were done in collaboration with the Guangzhou Number 12 Hospital, where the Guangzhou Biobank Cohort Study − Cardiovascular Disease Subcohort study is carried out. One of the first fruits of this collaboration was the identification of a single nucleotide polymorphism in the APOA5 gene that is common in Chinese and has an important influence on plasma triglyceride level.
DescriptionInvited Lectures
Persistent Identifierhttp://hdl.handle.net/10722/165446
ISSN
2015 SCImago Journal Rankings: 0.102

 

DC FieldValueLanguage
dc.contributor.authorCheung, BMYen_US
dc.date.accessioned2012-09-20T08:18:17Z-
dc.date.available2012-09-20T08:18:17Z-
dc.date.issued2010en_US
dc.identifier.citationThe 14th Annual Scientific Meeting of the Institute of Cardiovascular Science and Medicine (ICSM), Hong Kong, 18 December 2010. In Journal of the Hong Kong College of Cardiology, 2010, v. 18 n. 2, p. 62, abstract no. no. IL1en_US
dc.identifier.issn1027-7811-
dc.identifier.urihttp://hdl.handle.net/10722/165446-
dc.descriptionInvited Lectures-
dc.description.abstractThe Hong Kong Cardiovascular Risk Factor Prevalence Study (CRISPS) was initiated in 1995-96, when 2895 Hong Kong adults aged 25-75 were recruited from the general population in Hong Kong using random domestic telephone numbers. This became a cohort study (CRISPS2) when 1944 participants were contacted and returned for follow-up in 2000-04. The third round of follow-up was conducted in 2005-08 (CRISPS3). The overall aim of the cohort study is to determine the prevalence of cardiovascular risk factors, including hypertension, diabetes and dyslipidaemia, and to find out the factors that predispose to the development of these conditions in Hong Kong Chinese. Previously, we have found that impaired glucose tolerance confers an overwhelming risk of developing diabetes. We have also traced the natural history of the development of the metabolic syndrome, which usually starts with central obesity, followed by dyslipidaemia and then diabetes and hypertension. We reported that the metabolic syndrome predicts the development of hypertension and is associated with increased mortality. In CRISPS3, the prevalence of general obesity, defined as a body mass index (BMI) of 27.5 kg/m2 or greater, has not increased since CRISPS1 (16.8% in CRISPS1, 15.7% in CRISPS2 and 14.9% in CRISPS3). However, the percentage of the cohort with abdominal obesity, defined as a waist circumference ≥90 cm in men or ≥80 cm in women, increased significantly from 25.4% in CRISPS1 to 41.4% in CRISPS3. At the same time, the prevalence of hypertension increased from 18.1% in CRISPS1 to 39.6% in CRISPS3. This increase remains significant after adjusting for age. Our findings confirm the importance of waist circumference in this population, as calculating the BMI alone may give a false sense of security. The prevalence of hypertension in Hong Kong is now approaching the level in developed countries such as the United States. Current efforts are channelled towards the detection and treatment of hypertension in middle and old age. The linear rise in the prevalence of hypertension with age means that measures to prevent hypertension, such as a healthy diet and regular physical activity, should start early in life. Our analysis of cancer incidence in CRISPS3 suggests a link between insulin resistance and risk of cancer, so tackling obesity may also be beneficial in terms of reducing cancer risk. In CRISPS, DNA has been collected and analysed for association with the development of cardiovascular diseases. Some of these studies were done in collaboration with the Guangzhou Number 12 Hospital, where the Guangzhou Biobank Cohort Study − Cardiovascular Disease Subcohort study is carried out. One of the first fruits of this collaboration was the identification of a single nucleotide polymorphism in the APOA5 gene that is common in Chinese and has an important influence on plasma triglyceride level.-
dc.languageengen_US
dc.publisherHong Kong College of Cardiology. The Journal's web site is located at http://www.hkcchk.com/journals.php#3-
dc.relation.ispartofJournal of the Hong Kong College of Cardiologyen_US
dc.subjectCardiovascular disease-
dc.titleCardiovascular risk factors in Hong Kong: an updateen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, BMY: mycheung@hku.hken_US
dc.identifier.authorityCheung, BMY=rp01321en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros208555en_US
dc.identifier.hkuros800194395-
dc.identifier.volume18en_US
dc.identifier.issue2en_US
dc.identifier.spage62en_US
dc.identifier.epage62en_US
dc.publisher.placeHong Kong-
dc.description.otherThe 14th Annual Scientific Meeting of the Institute of Cardiovascular Science and Medicine (ICSM), Hong Kong, 18 December 2010. In Journal of the Hong Kong College of Cardiology, 2010, v. 18 n. 2, p. 62, abstract no. no. IL1-

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