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Self-Monitoring Home Blood Pressure in Community-Dwelling Older People: Age Differences in White-Coat and Masked Phenomena and Related Factors—The SONIC Study. Int J Hypertens 2022; 2022:5359428. [PMID: 35535213 PMCID: PMC9078792 DOI: 10.1155/2022/5359428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 02/25/2022] [Accepted: 03/23/2022] [Indexed: 11/21/2022] Open
Abstract
Some studies reported that home blood pressure (HBP) monitoring was conducted by community-dwelling older people themselves, but there have been few studies on HBP including very old populations aged over 90 years old. Thus, the aim of the present study was to clarify the current situation of white-coat and masked phenomena defined by on-site and home BP measurements in community-dwelling old and oldest-old populations. The study subjects were 380 participants from the SONIC study, a cohort study of a community-dwelling old population, who measured their HBP in a series of 3–5 days by themselves and brought their HBP records to the venue on the survey day. Study participants' characteristics were as follows: female, 185 (48.7%); male, 195 (51.3%); 70s, 95 (25.0%); 80s, 245 (64.5%); and 90s, 40 (10.5%). A total of 344 (90.5%) participants had hypertension. A total of 291 (76.6%) hypertensive participants taking antihypertensive medication were analyzed in the present study. Regarding the types of hypertension defined by home and on-site BP, they showed white-coat phenomenon, 183 (48.2%); masked phenomenon, 115 (30.3%); sustained hypertension, 130 (34.2%); and normotension, 82 (21.6%). On comparison of age groups, there was a tendency for the white-coat phenomenon to be common in young-old people in their 70s and the masked phenomenon to be common in very old people in their 90s. Therefore, since the detection of white-coat and masked phenomena is closely associated with appropriate BP management, it is very important for community-dwelling older populations to self-monitor HBP.
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Ishikawa J, Seino S, Kitamura A, Toba A, Toyoshima K, Tamura Y, Watanabe Y, Fujiwara Y, Inagaki H, Awata S, Shinkai S, Araki A, Harada K. The relationship between blood pressure and cognitive function. INTERNATIONAL JOURNAL OF CARDIOLOGY. CARDIOVASCULAR RISK AND PREVENTION 2021; 10:200104. [PMID: 35112116 PMCID: PMC8790103 DOI: 10.1016/j.ijcrp.2021.200104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/15/2021] [Accepted: 07/25/2021] [Indexed: 12/04/2022]
Abstract
Background Although an elevated systolic blood pressure (SBP) is associated with cognitive dysfunction, BP may decrease with advanced cognitive dysfunction; therefore, we attempted to identify the turning point in the relationship between cognitive function and SBP in elderly subjects. Methods In pooled datasets of general populations and outpatient clinics (age>65 years), in which the risk of frailty or cognitive dysfunction was assessed (N = 4076), the relationship between SBP and the Mini Mental State Examination (MMSE) score was examined. Results Mean age was 72.5 ± 6.2 years (male 45.1%), and SBP was 133.0 ± 19.5 mmHg. In an analysis of locally weighted scatter plot smoothing, the relationship between SBP and MMSE scores changed at an MMSE score of 24 points. In subjects with preserved cognitive function (MMSE ≥24 points), MMSE scores decreased with increases in SBP (B = −0.047 per 10 mmHg increase, P = 0.002) after adjustments for age, sex, body mass index, alcohol habit, smoking status, diabetes, a history of stroke, and the geriatric nutritional index; however, in subjects with reduced cognitive function (MMSE<24 points), decreases in the MMSE score were associated with reductions in SBP (B = 1.178 per 1 point decrease in the MMSE score, P = 0.002). Conclusion The relationship between SBP and cognitive function changed at a MMSE score of approximately 24 points (mild to moderate cognitive dysfunction). In patients with preserved MMSE, higher BP values were associated with a reduction of cognitive function, but this was not a case for those with impaired MMSE.
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Affiliation(s)
- Joji Ishikawa
- Department of Cardiology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Satoshi Seino
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Akihiko Kitamura
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Ayumi Toba
- Department of Cardiology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Kenji Toyoshima
- Department of Diabetes, Metabolism, and Endocrinology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Yoshiaki Tamura
- Department of Diabetes, Metabolism, and Endocrinology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Yutaka Watanabe
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoshinori Fujiwara
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Hiroki Inagaki
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Shuichi Awata
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Atsushi Araki
- Department of Diabetes, Metabolism, and Endocrinology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Kazumasa Harada
- Department of Cardiology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
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K Dolu A, Korkmaz A, Kundi H, Guray U. Whole blood viscosity predicts nondipping circadian pattern in essential hypertension. Biomark Med 2020; 14:1307-1316. [PMID: 33054402 DOI: 10.2217/bmm-2020-0249] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 08/05/2020] [Indexed: 11/21/2022] Open
Abstract
Aim: We aimed to investigate the association between whole blood viscosity (WBV) and nondipping pattern in patients with essential hypertension. Materials & methods: A total of consecutive 530 patients who had been evaluated by ambulatory blood pressure monitoring were included. WBV was estimated by using hematocrit and plasma total protein levels for both WBV in low shear rate (0.5 s-1) and WBV in high shear rate (208 s-1) according to the de Simone's formula. Results: In the multivariate analysis, low shear rate and high shear rate of WBV were associated independently with nondipping pattern in patients with essential hypertension. Conclusion: As a simple, inexpensive and noninvasive tool, WBV seems to be a significant predictor of nondipping hypertension.
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Affiliation(s)
- Abdullah K Dolu
- Department of Cardiology, İzmir Katip Çelebi University Ataturk Training and Research Hospital, Izmir, 35360, Turkey
| | - Ahmet Korkmaz
- Department of Cardiology, Ankara City Hospital, Health Sciences University, Ankara, 06800, Turkey
| | - Harun Kundi
- Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Umit Guray
- Department of Cardiology, Ankara City Hospital, Health Sciences University, Ankara, 06800, Turkey
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Kiuchi S, Hisatake S, Kabuki T, Oka T, Dobashi S, Fujii T, Sano T, Ikeda T. Bisoprolol transdermal patch improves orthostatic hypotension in patients with chronic heart failure and hypertension. Clin Exp Hypertens 2020; 42:539-544. [PMID: 32009474 DOI: 10.1080/10641963.2020.1723616] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
β blockers (BBs) play an important role in heart failure (HF) treatment. However, orthostatic hypotension (OH) is sometimes caused by BBs. The bisoprolol transdermal patch works more slowly and is long acting compared with the bisoprolol fumarate tablet. The risk of OH may be reduced by using the bisoprolol transdermal patch. We evaluated 57 consecutive patients who were taking the bisoprolol fumarate tablet for chronic HF with hypertension from November 2016 to September 2017. We switched the patients to the bisoprolol transdermal patch. Because 12 of 57 subjects could not continue using the bisoprolol transdermal patch, we analyzed the remaining 45 patients. We investigated BP, blood tests, and changes in BP from supine to standing positions before and after 6 months of switching from tablet to patch. OH was diagnosed by observing a systolic/diastolic BP drop of at least 20/10 mmHg or an absolute systolic BP (sBP) of <90 mmHg from the standing position. No significant changes were observed in the BP and BPs from supine to standing positions, whereas log brain natriuretic peptide was significantly reduced after switching from patch to tablet (2.102 to 2.070pg/dl, P = .039). OH, which occurred in originally 17 patients, showed improvement and eventually appeared in 4 patients. In these patients, changes in BP from supine to standing positions were also significantly improved (changes in sBP, -11 to -6mmHg, P = .016). This study demonstrated that switching from the bisoprolol fumarate tablet to transdermal patch reduced the morbidity of OH in HF patients.
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Affiliation(s)
- Shunsuke Kiuchi
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Shinji Hisatake
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Takayuki Kabuki
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Takashi Oka
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Shintaro Dobashi
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Takahiro Fujii
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Takahide Sano
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
| | - Takanori Ikeda
- Department of Cardiovascular Medicine, Toho University Graduate School of Medicine , Tokyo, Japan
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The association of blood pressure with physical frailty and cognitive function in community-dwelling septuagenarians, octogenarians, and nonagenarians: the SONIC study. Hypertens Res 2020; 43:1421-1429. [PMID: 32641853 DOI: 10.1038/s41440-020-0499-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 05/19/2020] [Accepted: 05/22/2020] [Indexed: 11/08/2022]
Abstract
We investigated the association of systolic blood pressure (SBP) level with physical frailty and cognitive function in community-dwelling older Japanese. Using the 'Septuagenarians, Octogenarians, Nonagenarians Investigation with Centenarians' survey as the baseline, we performed a cross-sectional analysis of people aged 70 ± 1 (n = 1000), 80 ± 1 (n = 978), and 90 ± 1 (n = 272) years. Medical histories and medications were collected via interviews conducted by medical professionals. Blood pressure (BP), grip strength, gait speed, and cognitive function were examined on site. Trend analysis and multiple regression analysis were used to determine the association of the SBP level with physical frailty and cognitive function. The principal finding was that the association of SBP with physical frailty and cognitive function varied depending on characteristics such as age, physical and cognitive function, and antihypertensive medication use. A lower SBP level was associated with a higher prevalence of physical frailty only among 80-year-olds who were on antihypertensive medication. A significant association was found between higher SBP and lower cognitive function among 70-year-olds, while among 90-year-olds, the opposite was found. No association was found among participants who were 80 years old or among participants of all ages without antihypertensive medication. Our finding that an inverted association between SBP and geriatric syndrome exists suggests that the treatment of older patients must be individualized to prevent geriatric syndrome.
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Frailty and hypertension in older adults: current understanding and future perspectives. Hypertens Res 2020; 43:1352-1360. [PMID: 32651557 DOI: 10.1038/s41440-020-0510-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/12/2020] [Accepted: 06/16/2020] [Indexed: 12/17/2022]
Abstract
Hypertension is an important factor affecting the health of older adults. Antihypertensives can reduce stroke, cardiovascular events, and mortality in older hypertensive patients. Blood pressure management is difficult in older adults since geriatric syndromes such as frailty and comorbidities often coexist with hypertension. Recent guidelines propose taking functional status into account when targeting blood pressure in older people. Therefore, a better understanding and control of frailty risk factors could improve the prognosis of older adults with hypertension. However, there are relatively few studies on hypertension and frailty in older adults, especially studies focused on antihypertensive treatment. The goals, target values, and choice of antihypertensive treatment for frail older adults are still disputed. We reviewed the recent literature focusing on frailty and hypertension in older adults and propose a management process for screening and assessing frailty and hypertension before the use of antihypertensives. The process can support older adults with lifestyle interventions and frailty management and help them begin taking a single antihypertensive medication.
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Day-to-day blood pressure variability is associated with lower cognitive performance among the Japanese community-dwelling oldest-old population: the SONIC study. Hypertens Res 2019; 43:404-411. [PMID: 31853044 DOI: 10.1038/s41440-019-0377-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 11/10/2019] [Accepted: 11/20/2019] [Indexed: 11/08/2022]
Abstract
Although high blood pressure (BP) and BP variability have been reported to be associated with cognitive impairment, few studies have investigated the association between home BP (HBP) and cognitive function in the oldest-old. The aim of this study was to evaluate whether the value of and the day-to-day variability in HBP was associated with cognitive function in a Japanese community-dwelling oldest-old population. Among 111 participants aged 85-87 years, cognitive function was assessed using the Japanese version of the Montreal Cognitive Assessment (MoCA-J). HBP was measured two times every morning for a median of 30 days. The value of and variability in HBP were calculated as the average and coefficient of variation (CV) of the measurements, respectively. The associations of HBP variability with MoCA-J were examined using multiple linear regression models. Of 111 participants, 47.7% were men, and 64.0% were taking medications for hypertension. The mean HBP was 141.9 ± 14.8/72.2 ± 8.4 mmHg, and the mean CV of HBP was 6.7 ± 1.9/6.8 ± 2.4. The mean total MoCA-J score was 22.9 ± 3.5. The MoCA-J score was significantly lower with increasing CVs of both systolic BP (b = -0.36, p = 0.034) and diastolic BP (b = -0.26, p = 0.046) after adjustment for possible confounding factors. The value of HBP was not associated with MoCA-J. In the community-dwelling oldest-old population, higher day-to-day HBP variability, but not the value of HBP, was associated with cognitive impairment. When measuring HBP, attention should be paid not only to the values but also to their variations.
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Godai K, Kabayama M, Saito K, Asayama K, Yamamoto K, Sugimoto K, Ohkubo T, Rakugi H, Kamide K. Validation of an automated home blood pressure measurement device in oldest-old populations. Hypertens Res 2019; 43:30-35. [PMID: 31534190 DOI: 10.1038/s41440-019-0330-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/31/2019] [Accepted: 08/21/2019] [Indexed: 11/09/2022]
Abstract
Despite the wide use of automated devices for the self-measurement of home blood pressure (BP), no evidence is available regarding the accuracy of such devices in oldest-old populations. The aim of this study was to validate the accuracy of the automated oscillometric upper arm-cuff BP-monitoring device according to an international protocol in oldest-old individuals. In 35 participants aged over 85 years old, BP was measured on the same arm sequentially using a mercury sphygmomanometer (by two observers) and an Omron HEM-7080IC. The difference between the test device and observer measurements and associated factors were evaluated according to the International Organization for Standardization (ISO) 81060-2:2013 protocol. A total of 105 pairs (three pairs per participant) of the test device and observer BP measurements were obtained. The mean (±standard deviation: SD) differences in systolic BP (SBP) and diastolic BP (DBP) between the methods were -0.7 ± 7.1 and -1.1 ± 4.5 mmHg, respectively, and those for each participant were -0.7 ± 5.8 mmHg for SBP and -1.1 ± 4.1 mmHg for DBP; the device therefore fulfilled the requirements of the ISO protocol. In the multivariate analysis with the linear mixed model, the difference was associated with the cuff size for SBP and pulse pressure for DBP. The Omron HEM-7080IC passed the ISO requirements for oldest-old individuals aged 85 years or older. This device can be recommended for clinical and self/home use in oldest-old populations.
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Affiliation(s)
- Kayo Godai
- Division of Health Science, Osaka University, Graduate School of Medicine, Osaka, Japan
| | - Mai Kabayama
- Division of Health Science, Osaka University, Graduate School of Medicine, Osaka, Japan
| | | | - Kei Asayama
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan.,Tohoku Institute for Management of Blood Pressure, Sendai, Japan
| | - Koichi Yamamoto
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Ken Sugimoto
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takayoshi Ohkubo
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan.,Tohoku Institute for Management of Blood Pressure, Sendai, Japan
| | - Hiromi Rakugi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kei Kamide
- Division of Health Science, Osaka University, Graduate School of Medicine, Osaka, Japan. .,Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan.
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