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Prevalence of true resistant hypertension in those referred for uncontrolled hypertension in Malaysia: A comparison using different definitions

Yeo JJP, Yeo LS, Tan SSN, Delailah DDRA, Lee SWH, Hu ATH, et al.

Hypertens Res, 2024 Feb;47(2):352-357.
PMID: 37673957 DOI: 10.1038/s41440-023-01418-4

Resistant hypertension is a well-recognised clinical challenge. However, the definition and epidemiology of true resistant hypertension (RH) are less understood, especially in Asia. This cross-sectional study examined the prevalence of RH referred from primary care clinics based on various guidelines. RH was defined as blood pressure (BP) being above the threshold using ambulatory blood pressure monitoring despite adequate lifestyle measures and optimal treatment with ≥3 medications at maximally tolerated doses. Between one in four (n = 94, 24.0% using Malaysian guidelines) and up to two-thirds (n = 249, 63.7% using 2018 American guidelines) of adults referred for uncontrolled hypertension met the criteria of true RH. Of those with RH, a further one-quarter (n = 26, 26.6%) were deemed to have refractory hypertension (elevated BP despite treatment with at least 5 antihypertensive medications). Adults with RH were generally younger, more likely to be male, had a higher BMI and were more likely to have gout, CKD, and angina compared to those with controlled hypertension. The prevalence of RH amongst Asian adults with poor hypertension control is high. A concerted effort is needed to reduce the high burden of RH, especially among this population.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Home blood pressure-centered approach - from digital health to medical practice: HOPE Asia Network consensus statement 2023

Kario K, Tomitani N, Wang TD, Park S, Li Y, Shin J, et al.

Hypertens Res, 2023 Dec;46(12):2561-2574.
PMID: 37605071 DOI: 10.1038/s41440-023-01397-6

Recent innovations in digital technology have enabled the simultaneous accumulation, and the linking and analysis of time-series big data relating to several factors that influence blood pressure (BP), including biological indicators, physical activity, and environmental information. Various approaches can be used to monitor BP: in the office/clinic; at home; 24-h ambulatory recording; or with wearable and cuffless devices. Of these, home BP monitoring is a reliable and convenient method, and is recommended for hypertension management by current national and international guidelines. This recommendation is based on evidence showing that home BP is an important predictor of cardiovascular, cerebrovascular and kidney disease in patients with hypertension. In addition, lifetime personalized health record (PHR)-based home BP with telemonitoring combined with co-interventions has been shown to lower BP more effectively than the traditional approach based on office BP. Thus, home BP represents a key metric for personalized anticipation medicine, from digital healthcare to digital medicine. This paper summarizes the latest evidence on home BP monitoring and proposes a Hypertension Cardiovascular Outcome Prevention and Evidence in Asia (HOPE Asia) Network consensus on a home BP-centered approach to the management of hypertension.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Current realities of home blood pressure monitoring from physicians' perspectives: results from Asia HBPM survey 2020

Wang TD, Ohkubo T, Bunyi ML, Chadachan VM, Chia YC, Kario K, et al.

Hypertens Res, 2023 Jul;46(7):1638-1649.
PMID: 37041412 DOI: 10.1038/s41440-023-01259-1

Uncontrolled hypertension is a significant problem in many parts of Asia. Effective management is essential to reduce the burden of hypertension. Home blood pressure monitoring (HBPM) is a promising tool that can aid in the diagnosis and management of hypertension. Experts from 11 countries/regions in Asia conceptualized a large-scale survey to examine the current realities of HBPM. A cross-sectional survey was conducted among health care professionals from China, India, Indonesia, Japan, Malaysia, the Philippines, Singapore, South Korea, Taiwan, Thailand, and Vietnam between November 2019 and June 2021. Physicians' responses were summarized using descriptive statistics. A total of 7945 physicians participated in the survey. Among all respondents, 50.3% and 33.5% viewed HBPM as highly recognized by physicians and patients in their country/region, respectively. Lack of understanding of HBPM and concern with the accuracy and reliability of HBPM devices were identified as key barriers to HBPM recognition. Nearly all physicians (95.9%) reported recommending HBPM to their patients; however, they reported less than 50% of their patients measured home blood pressure (HBP). Among physicians who recommended HBPM, only 22.4% and 54.1% cited HBP diagnostic threshold values and timing of taking antihypertensive drugs that were consistent with available guidelines, respectively. The survey reveals that the recognition of HBPM as a valuable tool to diagnose and manage hypertension is suboptimal in most parts of Asia. Despite high recommendation of HBPM to hypertensive patients by physicians, there are considerable discrepancies between guidelines recommendations and practice realities. The recognition of HBPM as a valuable tool for the diagnosis and management of hypertension is suboptimal among both physicians and patients in Asia. A clear and consistent guidance for proper HBPM practice and use of validated and calibrated HBP monitors are among the top priorities to support the integration of HBPM into daily patient care. HBPM: home blood pressure monitoring, HBP: home blood pressure.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Aerobic exercise increases brain vessel lumen size and blood flow in young adults with elevated blood pressure. Secondary analysis of the TEPHRA randomized clinical trial

Lapidaire W, Forkert ND, Williamson W, Huckstep O, Tan CM, Alsharqi M, et al.

Neuroimage Clin, 2023;37:103337.
PMID: 36709637 DOI: 10.1016/j.nicl.2023.103337

IMPORTANCE: Cerebrovascular changes are already evident in young adults with hypertension and exercise is recommended to reduce cardiovascular risk. To what extent exercise benefits the cerebrovasculature at an early stage of the disease remains unclear.
OBJECTIVE: To investigate whether structured aerobic exercise increases brain vessel lumen diameter or cerebral blood flow (CBF) and whether lumen diameter is associated with CBF.
DESIGN: Open, parallel, two-arm superiority randomized controlled (1:1) trial in the TEPHRA study on an intention-to-treat basis. The MRI sub-study was an optional part of the protocol. The outcome assessors remained blinded until the data lock.
SETTING: Single-centre trial in Oxford, UK.
PARTICIPANTS: Participants were physically inactive (<150 min/week moderate to vigorous physical activity), 18 to 35 years old, 24-hour ambulatory blood pressure 115/75 mmHg-159/99 mmHg, body mass index below 35 kg/m2 and never been on prescribed hypertension medications. Out of 203 randomized participants, 135 participated in the MRI sub-study. Randomisation was stratified for sex, age (<24, 24-29, 30-35 years) and gestational age at birth (<32, 32-37, >37 weeks).
INTERVENTION: Study participants were randomised to a 16 week aerobic exercise intervention targeting 3×60 min sessions per week at 60 to 80 % peak heart rate.
MAIN OUTCOMES AND MEASURES: cerebral blood flow (CBF) maps from ASL MRI scans, internal carotid artery (ICA), middle cerebral artery (MCA) M1 and M2 segments, anterior cerebral artery (ACA), basilar artery (BA), and posterior cerebral artery (PCA) diameters extracted from TOF MRI scans.
RESULTS: Of the 135 randomized participants (median age 28 years, 58 % women) who had high quality baseline MRI data available, 93 participants also had high quality follow-up data available. The exercise group showed an increase in ICA (0.1 cm, 95 % CI 0.01 to 0.18, p =.03) and MCA M1 (0.05 cm, 95 % CI 0.01 to 0.10, p =.03) vessel diameter compared to the control group. Differences in the MCA M2 (0.03 cm, 95 % CI 0.0 to 0.06, p =.08), ACA (0.04 cm, 95 % CI 0.0 to 0.08, p =.06), BA (0.02 cm, 95 % CI -0.04 to 0.09, p =.48), and PCA (0.03 cm, 95 % CI -0.01 to 0.06, p =.17) diameters or CBF were not statistically significant. The increase in ICA vessel diameter in the exercise group was associated with local increases in CBF.
CONCLUSIONS AND RELEVANCE: Aerobic exercise induces positive cerebrovascular remodelling in young people with early hypertension, independent of blood pressure. The long-term benefit of these changes requires further study.
TRIAL REGISTRATION: Clinicaltrials.gov NCT02723552, 30 March 2016.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Fulltext Cardiovascular Risk Reduction After Renal Denervation According to Time in Therapeutic Systolic Blood Pressure Range

Mahfoud F, Mancia G, Schmieder RE, Ruilope L, Narkiewicz K, Schlaich M, et al.

J Am Coll Cardiol, 2022 Nov 15;80(20):1871-1880.
PMID: 36357087 DOI: 10.1016/j.jacc.2022.08.802

BACKGROUND: Renal denervation (RDN) has been shown to lower blood pressure (BP), but its effects on cardiovascular events have only been preliminarily evaluated. Time in therapeutic range (TTR) of BP is associated with cardiovascular events.
OBJECTIVES: This study sought to assess the impact of catheter-based RDN on TTR and its association with cardiovascular outcomes in the GSR (Global SYMPLICITY Registry).
METHODS: Patients with uncontrolled hypertension were enrolled and treated with radiofrequency RDN. Office and ambulatory systolic blood pressure (OSBP and ASBP) were measured at 3, 6, 12, 24, and 36 months postprocedure and used to derive TTR. TTR through 6 months was assessed as a predictor of cardiovascular events from 6 to 36 months using a Cox proportional hazard regression model.
RESULTS: As of March 1, 2022, 3,077 patients were enrolled: 42.2% were female; mean age was 60.5 ± 12.2 years; baseline OSBP was 165.6 ± 24.8 mm Hg; and baseline ASBP was 154.3 ± 18.7 mm Hg. Patients were prescribed 4.9 ± 1.7 antihypertensive medications at baseline and 4.8 ± 1.9 at 36 months. At 36 months, mean changes were -16.7 ± 28.4 and -9.0 ± 20.2 mm Hg for OSBP and ASBP, respectively. TTR through 6 months was 30.6%. A 10% increase in TTR after RDN through 6 months was associated with significant risk reductions from 6 to 36 months of 15% for major adverse cardiovascular events (P < 0.001), 11% cardiovascular death (P = 0.010), 15% myocardial infarction (P = 0.023), and 23% stroke (P < 0.001).
CONCLUSIONS: There were sustained BP reductions and higher TTR through 36 months after RDN. A 10% increase in TTR through 6 months was associated with significant risk reductions in major cardiovascular events from 6 to 36 months. (Global SYMPLICITY Registry [GSR] DEFINE; NCT01534299).

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext The HOPE Asia network 2022 up-date consensus statement on morning hypertension management

Kario K, Wang JG, Chia YC, Wang TD, Li Y, Siddique S, et al.

J Clin Hypertens (Greenwich), 2022 Sep;24(9):1112-1120.
PMID: 36196465 DOI: 10.1111/jch.14555

Morning hypertension is an important clinical target in the management of hypertension for perfect 24-h blood pressure (BP) control. Morning hypertension is generally categorized into two types: "morning surge" type and "sustained nocturnal and morning hypertension" type. The "morning surge" type is characterized by an exaggerated morning blood pressure surge (MBPS), and the "sustained nocturnal and morning hypertension" type with continuous hypertension from nighttime to morning (non-dipper/riser type). They can be detected by home and ambulatory blood pressure measurements (HBPM and ABPM). These two forms of morning hypertension both increase the risk of cardiovascular and renal diseases, but may occur via different pathogenic mechanisms and are associated with different conditions. Morning hypertension should be treated to achieve a morning BP level of

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Essential Hypertension Is Associated With Changes in Gut Microbial Metabolic Pathways: A Multisite Analysis of Ambulatory Blood Pressure

Nakai M, Ribeiro RV, Stevens BR, Gill P, Muralitharan RR, Yiallourou S, et al.

Hypertension, 2021 09;78(3):804-815.
PMID: 34333988 DOI: 10.1161/HYPERTENSIONAHA.121.17288

[Figure: see text].

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Guidance on ambulatory blood pressure monitoring: A statement from the HOPE Asia Network

Kario K, Hoshide S, Chia YC, Buranakitjaroen P, Siddique S, Shin J, et al.

J Clin Hypertens (Greenwich), 2021 Mar;23(3):411-421.
PMID: 33319412 DOI: 10.1111/jch.14128

Hypertension is an important public health issue due to its association with a number of serious diseases, including cardiovascular disease and stroke. The importance of evaluating hypertension taking into account different blood pressure (BP) profiles and BP variability (BPV) is increasingly being recognized, and is particularly relevant in Asian populations given the specific features of hypertension in the region (including greater salt sensitivity and a high rate of nocturnal hypertension). Ambulatory BP monitoring (ABPM) is the gold standard for diagnosing hypertension and assessing 24-hour BP and provides data on several important parameters that cannot be obtained using any other form of BP measurement. In addition, ABPM parameters provide better information on cardio- and cerebrovascular risk than office BP. ABPM should be used in all patients with elevated BP, particularly those with unstable office or home BP, or who are suspected to have white-coat or masked hypertension. ABPM is also an important part of hypertension diagnosis and monitoring in high-risk patients. ABPM needs to be performed using a validated device and good practice techniques, and has a role both in hypertension diagnosis and in monitoring the response to antihypertensive therapy to ensure strict BP control throughout the 24-hour period. Use of ABPM in clinical practice may be limited by cost and accessibility, and practical education of physicians and patients is essential. The ABPM evidence and practice points in this document are based on the Hypertension Cardiovascular Outcome Prevention and Evidence (HOPE) Asia Network expert panel consensus recommendations for ABPM in Asia.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Fulltext Clinical significance of nocturnal home blood pressure monitoring and nocturnal hypertension in Asia

Fujiwara T, Hoshide S, Tomitani N, Cheng HM, Soenarta AA, Turana Y, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):457-466.
PMID: 33591641 DOI: 10.1111/jch.14218

Nocturnal home blood pressure (BP) monitoring has been used in clinical practice for ~20 years. The authors recently showed that nocturnal systolic BP (SBP) measured by a home BP monitoring (HBPM) device in a Japanese general practice population was a significant predictor of incident cardiovascular disease (CVD) events, independent of office and morning home SBP levels, and that masked nocturnal hypertension obtained by HBPM (defined as nocturnal home BP ≥ 120/70 mmHg and average morning and evening BP

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Characteristics and control of the 24-hour ambulatory blood pressure in patients with metabolic syndrome

Huang JF, Li Y, Shin J, Chia YC, Sukonthasarn A, Turana Y, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):450-456.
PMID: 33629806 DOI: 10.1111/jch.14229

Asian countries are facing an increasing prevalence of metabolic syndrome (MetS), which may aggravate the burden of cardiovascular diseases in this region. MetS is closely associated with ambulatory blood pressure (BP). Patients with MetS, compared to those without, had a twofold higher risk of new-onset office, home, or ambulatory hypertension. Furthermore, the risk of new-onset MetS in patients with white-coat, masked and sustained hypertension was also doubled compared to normotensives. High-risk masked hypertension and blunted nighttime BP dipping are common in patients with MetS, suggesting perfect 24-hour BP control with long-acting antihypertensive drugs and early initiation of combination therapy might be especially important for patients with MetS.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Characteristics of hypertension in obstructive sleep apnea: An Asian experience

Hoshide S, Kario K, Chia YC, Siddique S, Buranakitjaroen P, Tsoi K, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):489-495.
PMID: 33705599 DOI: 10.1111/jch.14184

Obstructive sleep apnea (OSA) is a risk of hypertension and is associated with cardiovascular disease (CVD) incidence. In Asian countries, the prevalence of OSA is high, as in Western countries. When blood pressure (BP) is evaluated in OSA individuals using ambulatory BP monitoring (ABPM), the BP phenotype often indicates abnormal BP variability, such as increased nighttime BP or abnormal diurnal BP variation, that is, non-dipper pattern, riser pattern, and morning BP surge, and all these conditions have been associated with increased CVD events. Asians have a higher prevalence of increased nighttime BP or morning BP surge than Westerners. Therefore, this review paper focused on OSA and hypertension from an Asian perspective to investigate the importance of the association between OSA and hypertension in the Asian population. Such abnormal BP variability has been shown to be associated with progression of arterial stiffness, and this association could provoke a vicious cycle between abnormal BP phenotypes and arterial stiffness, a phenomenon recognized as systemic hemodynamic atherothrombotic syndrome (SHATS). OSA may be one of the background factors that augment SHATS. An oxygen-triggered nocturnal oscillometric BP measurement device combined with a pulse oximeter for continuous SpO2 monitoring could detect BP variability caused by OSA. In addition to treating the OSA, accurate and reliable detection and treatment of any residual BP elevation and BP variability caused by OSA would be necessary to prevent CVD events. However, more detailed detection of BP variability, such as beat-by-beat BP monitoring, would further help to reduce CV events.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Regional differences in office and self-measured home heart rates in Asian hypertensive patients: AsiaBP@Home study

Tomitani N, Hoshide S, Buranakitjaroen P, Chia YC, Park S, Chen CH, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):606-613.
PMID: 33694262 DOI: 10.1111/jch.14239

Increased heart rate is a predictor of cardiovascular disease, heart failure, and all-cause mortality. In those with high heart rates, interventions for heart rate reduction have been associated with reductions in coronary events. Asia is a diverse continent, and the prevalences of hypertension and cardiovascular disease differ among its countries. The present analysis of AsiaBP@Home study data investigated differences among resting heart rates (RHRs) in 1443 hypertensive patients from three Asian regions: East Asia (N = 595), Southeast Asia (N = 680), and South Asia (N = 168). This is the first study to investigate self-measured RHR values in different Asian countries/regions using the same validated home BP monitoring device (Omron HEM-7130-AP/HEM-7131-E). Subjects in South Asia had higher RHR values compared with the other two regions, and the regional tendency found in RHR values was different from that found in BP values. Even after adjusting for age, sex, BMI, habitual alcohol consumption, current smoking habit, shift worker, hyperlipidemia, diabetes, chronic kidney disease, history of heart failure, and beta-blocker use, both office and home RHR values in South Asia were the highest among Asia (mean values ± SE of office: East Asia [E] 75.2 ± 1.5 bpm, Southeast Asia [Se] 76.7 ± 1.5 bpm, South Asia [S] 81.9 ± 1.4 bpm; home morning: [E] 69.0 ± 1.2 bpm, [Se] 72.9 ± 1.2 bpm, [S] 74.9 ± 1.1 bpm; home evening: [E] 74.6 ± 1.2 bpm, [Se] 78.3 ± 1.2 bpm, [S] 83.8 ± 1.1 bpm). Given what is known about the impact of RHR on heart disease, our findings suggest the possible benefit of regionally tailored clinical strategies for cardiovascular disease prevention.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Office blood pressure measurement: A comprehensive review

Siddique S, Hameed Khan A, Shahab H, Zhang YQ, Chin Tay J, Buranakitjaroen P, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):440-449.
PMID: 33420745 DOI: 10.1111/jch.14169

The conventional auscultatory methods for measuring blood pressure have been used to screen, diagnose, and manage hypertension since long. However, these have been found to be prone to errors especially the white coat phenomena which cause falsely high blood pressure readings. The Mercury sphygmomanometer and the Aneroid variety are no longer recommended by WHO for varying reasons. The Oscillometric devices are now recommended with preference for the Automated Office Blood Pressure measurement device which was found to have readings nearest to the Awake Ambulatory Blood Pressure readings. The downside for this device is the cost barrier. The alternative is to use the simple oscillometric device, which is much cheaper, with the rest and isolation criteria of the SPRINT study. This too may be difficult due to space constraints and the post-clinic blood measurement is a new concept worth further exploration.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Fulltext Telemedicine in the management of hypertension: Evolving technological platforms for blood pressure telemonitoring

Wang JG, Li Y, Chia YC, Cheng HM, Minh HV, Siddique S, et al.

J Clin Hypertens (Greenwich), 2021 03;23(3):435-439.
PMID: 33484617 DOI: 10.1111/jch.14194

The prevalence of hypertension is high and still increasing in almost all communities regardless of high, middle, or low income. The control rate remains low in most countries. Telemedicine offers possibilities to improve blood pressure control. The past two decades witnessed the fast evolving telecommunication from telephone transmission to smart mobile phone technology for telemedicine. There is some evidence from randomized controlled trials that telemonitoring improves blood pressure control. However, it requires co-interventions. The emerging new technology may offer even more possibilities in telemonitoring and co-interventions, for instance, an interactive platform between patients and health professionals for the management of hypertension. Telemedicine might ultimately change the situation of the unsatisfactory management of hypertension in many communities. It helps fully utilize antihypertensive treatment, the most effective cardiovascular prevention, to achieve the goal of ending atherosclerosis and arteriosclerosis in humans.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Insights on home blood pressure monitoring in Asia: Expert perspectives from 10 countries/regions

Wang JG, Bunyi ML, Chia YC, Kario K, Ohkubo T, Park S, et al.

J Clin Hypertens (Greenwich), 2021 Jan;23(1):3-11.
PMID: 33043574 DOI: 10.1111/jch.14074

Hypertension is one of the most powerful modifiable risk factors for cardiovascular disease. It is usually asymptomatic and therefore essential to measure blood pressure regularly for the detection of hypertension. Home blood pressure monitoring (HBPM) is recognized as a valuable tool to monitor blood pressure and facilitate effective diagnosis of hypertension. It is useful to identify the masked or white-coat hypertension. There is also increasing evidence that supports the role of HBPM in guiding antihypertensive treatment, and improving treatment compliance and hypertension control. In addition, HBPM has also shown prognostic value in predicting cardiovascular events. Despite these benefits, the use of HBPM in many parts of Asia has been reported to be low. An expert panel comprising 12 leading experts from 10 Asian countries/regions convened to share their perspectives on the realities of HBPM. This article provides an expert summary of the current status of HBPM and the key factors hindering its use. It also describes HBPM-related initiatives in the respective countries/regions and presents strategies that could be implemented to better support the use of HBPM in the management of hypertension.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Fulltext COVID-19 and hypertension-evidence and practical management: Guidance from the HOPE Asia Network

Kario K, Morisawa Y, Sukonthasarn A, Turana Y, Chia YC, Park S, et al.

J Clin Hypertens (Greenwich), 2020 Jul;22(7):1109-1119.
PMID: 32643874 DOI: 10.1111/jch.13917

There are several risk factors for worse outcomes in patients with coronavirus 2019 disease (COVID-19). Patients with hypertension appear to have a poor prognosis, but there is no direct evidence that hypertension increases the risk of new infection or adverse outcomes independent of age and other risk factors. There is also concern about use of renin-angiotensin system (RAS) inhibitors due to a key role of angiotensin-converting enzyme 2 receptors in the entry of the SARS-CoV-2 virus into cells. However, there is little evidence that use of RAS inhibitors increases the risk of SARS-CoV-2 virus infection or worsens the course of COVID-19. Therefore, antihypertensive therapy with these agents should be continued. In addition to acute respiratory distress syndrome, patients with severe COVID-19 can develop myocardial injury and cytokine storm, resulting in heart failure, arteriovenous thrombosis, and kidney injury. Troponin, N-terminal pro-B-type natriuretic peptide, D-dimer, and serum creatinine are biomarkers for these complications and can be used to monitor patients with COVID-19 and for risk stratification. Other factors that need to be incorporated into patient management strategies during the pandemic include regular exercise to maintain good health status and monitoring of psychological well-being. For the ongoing management of patients with hypertension, telemedicine-based home blood pressure monitoring strategies can facilitate maintenance of good blood pressure control while social distancing is maintained. Overall, multidisciplinary management of COVID-19 based on a rapidly growing body of evidence will help ensure the best possible outcomes for patients, including those with risk factors such as hypertension.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory/methods
Fulltext 2020 Consensus summary on the management of hypertension in Asia from the HOPE Asia Network

Kario K, Park S, Chia YC, Sukonthasarn A, Turana Y, Shin J, et al.

J Clin Hypertens (Greenwich), 2020 03;22(3):351-362.
PMID: 31816164 DOI: 10.1111/jch.13751

Hypertension professionals from Asia have been meeting together for the last decade to discuss how to improve the management of hypertension. Based on these education and research activities, the Hypertension, brain, cardiovascular and renal Outcome Prevention and Evidence in Asia (HOPE Asia) Network was officially established in June 2018 and includes experts from 12 countries/regions across Asia. Among the numerous research and review papers published by members of the HOPE Asia Network since 2017, publications in three key areas provide important guidance on the management of hypertension in Asia. This article highlights key consensus documents, which relate to the Asian characteristics of hypertension, home blood pressure monitoring (HBPM), and ambulatory blood pressure monitoring (ABPM). Hypertension and hypertension-related diseases are common in Asia, and their characteristics differ from those in other populations. It is essential that these are taken into consideration to provide the best opportunity for achieving "perfect 24-hour blood pressure control", guided by out-of-office (home and ambulatory) blood pressure monitoring. These region-specific consensus documents should contribute to optimizing individual and population-based hypertension management strategies in Asian country. In addition, the HOPE Asia Network model provides a good example of the local interpretation, modification, and dissemination of international best practice to benefit specific populations.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory*
Fulltext The influence of the ambient temperature on blood pressure and how it will affect the epidemiology of hypertension in Asia

Park S, Kario K, Chia YC, Turana Y, Chen CH, Buranakitjaroen P, et al.

J Clin Hypertens (Greenwich), 2020 Mar;22(3):438-444.
PMID: 31851429 DOI: 10.1111/jch.13762

Epidemiologic studies have consistently demonstrated an increased risk of cardiovascular disease during colder temperatures. Hemodynamic changes associated with cold temperature and an increase in thrombogenicity may both account for the increase in cardiovascular risk and mortality. Studies using both in-office and out-of-office BP measurements have consistently shown an elevation in BP during the colder seasons. The large difference in BP between cold and warm months may increase the incidence of hypertension and reduce the hypertension control rate, potentially resulting in increased cardiovascular risk, especially among those at risk of cardiovascular disease. The current trends in global warming and climate change may have a profound impact on the epidemiology of hypertension and cardiovascular disease, as changes in the climate may significantly affect both BP variability and cardiovascular disease, especially in those with high cardiovascular risk and the elderly. Furthermore, climate change could have a significant influence on hypertension in Asia, considering the unique characteristics of hypertensive patients in Asia. As an increase in ambient temperature decreases the mean daytime average and morning surge in BP, but increases the nocturnal BP, it is difficult to predict how environmental changes will affect the epidemiology and prognosis of hypertension in the Asian-Pacific region. However, these seasonal variations in BP could be minimized by adjusting the housing conditions and using anticipation medicine. In this review, we discuss the impact of seasonal variation in the ambient temperature on hypertension and cardiovascular disease and discuss how this may impact the epidemiology of hypertension and cardiovascular disease.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Current status of ambulatory blood pressure monitoring in Asian countries: A report from the HOPE Asia Network

Shin J, Kario K, Chia YC, Turana Y, Chen CH, Buranakitjaroen P, et al.

J Clin Hypertens (Greenwich), 2020 03;22(3):384-390.
PMID: 31696632 DOI: 10.1111/jch.13724

Ambulatory blood pressure monitoring (ABPM) can measure 24-hour blood pressure (BP), including nocturnal BP and diurnal variations. This feature of ABPM could be of value in Asian populations for preventing cardiovascular events. However, no study has yet investigated regarding the use of ABPM in actual clinical settings in Asian countries/regions. In this study, 11 experts from 11 countries/regions were asked to answer questionnaires regarding the use of ABPM. We found that its use was very limited in primary care settings and almost exclusively available in referral settings. The indications of ABPM in actual clinical settings were largely similar to those of home BP monitoring (HBPM), that is, diagnosis of white-coat or masked hypertension and more accurate BP measurement for borderline clinic BP. Other interesting indications, such as nighttime BP patterns, including non-dipper BP, morning BP surge, and BP variability, were hardly adopted in daily clinical practice. The use of ABPM as treatment guidance for detecting treated but uncontrolled hypertension in the Asian countries/regions didn't seem to be common. The barrier to the use of ABPM was primarily its availability; in referral centers, patient reluctance owing to discomfort or sleep disturbance was the most frequent barrier. ABPM use was significantly more economical when it was reimbursed by public insurance. To facilitate ABPM use, more simplified indications and protocols to minimize discomfort should be sought. For the time being, HBPM could be a reasonable alternative.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory
Fulltext Asian management of hypertension: Current status, home blood pressure, and specific concerns in Malaysia

Chia YC, Kario K

J Clin Hypertens (Greenwich), 2020 03;22(3):497-500.
PMID: 31693281 DOI: 10.1111/jch.13721

Cardiovascular disease (CVD) accounts for a third of all deaths in Malaysia. The background CV risk of Malaysia is much higher than that of developed countries in the west and in Asia. This high CV mortality is contributed by the high prevalence of CV risk factors especially hypertension which is very prevalent, coupled with low awareness and low control rates. This highlights the importance of home blood pressure measurements (HBPM). HBPM is an important adjunct in the management of hypertension, particularly to identify those unaware as well as white-coat hypertension which is high in treated hypertensive patients in Malaysia. Ownership of HBPM devices in Malaysia is high, and this is an opportunity as well as timely to encourage more use of HBPM. The Malaysian national guidelines do not require HBPM for the diagnosis of hypertension but do recommend HBPM for specific situations. The most commonly prescribed anti-hypertensives are calcium channel blockers, followed by renin-angiotensin system blockers. Despite the wide availability of anti-hypertensive agents, BP control rates remain low. It is important that strategies are in place to ensure that individuals are aware of the need to have their BP monitored regularly and this can be facilitated by the use of HBPM. Hence, there is a plan to develop a local HBPM consensus document. Strategies to reduce salt intake would also be beneficial. In summary, identification of those unaware and better control of BP with the help of HBPM would help reduce the burden of CV mortality and morbidity in Malaysia.

Matched MeSH terms: Blood Pressure Monitoring, Ambulatory

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