Acknowledgement
This work was supported by the intramural research grant of Chungbuk National University in 2015 and a fund (2018-ER6303-00) by Research of Korea Centers for Disease Control and Prevention.
References
- Mills KT, Bundy JD, Kelly TN, et al. Global disparities of hypertension prevalence and control: a systematic analysis of population-based studies from 90 countries. Circulation 2016;134:441-50. https://doi.org/10.1161/CIRCULATIONAHA.115.018912
- Lopez AD, Mathers CD, Ezzati M, Jamison DT, Murray CJ. Global and regional burden of disease and risk factors, 2001: systematic analysis of population health data. Lancet 2006;367:1747-57. https://doi.org/10.1016/S0140-6736(06)68770-9
- Whelton PK, Carey RM, Aronow WS, et al. 2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA Guideline for the prevention, detection, evaluation, and management of high blood pressure in adults: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines. Circulation 2018;138:e484-594.
- Williams B, Mancia G, Spiering W, et al. 2018 ESC/ESH Guidelines for the management of arterial hypertension. Eur Heart J 2018;39:3021-104. https://doi.org/10.1093/eurheartj/ehy339
- Korean Society Hypertension (KSH); Hypertension Epidemiology Research Working Group, Kim HC, Cho MC. Korea hypertension fact sheet 2018. Clin Hypertens 2018;24:13. https://doi.org/10.1186/s40885-018-0098-0
- Li Y, Wang JG. Isolated nocturnal hypertension: a disease masked in the dark. Hypertension 2013;61:278-83. https://doi.org/10.1161/HYPERTENSIONAHA.111.00217
- Asayama K, Fujiwara T, Hoshide S, et al. Nocturnal blood pressure measured by home devices: evidence and perspective for clinical application. J Hypertens 2019;37:905-16. https://doi.org/10.1097/HJH.0000000000001987
- Hansen TW, Li Y, Boggia J, Thijs L, Richart T, Staessen JA. Predictive role of the nighttime blood pressure. Hypertension 2011;57:3-10. https://doi.org/10.1161/HYPERTENSIONAHA.109.133900
- Fan HQ, Li Y, Thijs L, et al. Prognostic value of isolated nocturnal hypertension on ambulatory measurement in 8711 individuals from 10 populations. J Hypertens 2010;28:2036-45. https://doi.org/10.1097/HJH.0b013e32833b49fe
- Head GA. The importance and prognostic value of nocturnal blood pressure assessments using inexpensive domestic devices. J Hypertens 2017;35:463-5. https://doi.org/10.1097/HJH.0000000000001244
- Kario K. Nocturnal hypertension: new technology and evidence. Hypertension 2018;71:997-1009. https://doi.org/10.1161/HYPERTENSIONAHA.118.10971
- Fagard RH, Celis H, Thijs L, et al. Daytime and nighttime blood pressure as predictors of death and cause-specific cardiovascular events in hypertension. Hypertension 2008;51:55-61. https://doi.org/10.1161/HYPERTENSIONAHA.107.100727
- Ben-Dov IZ, Kark JD, Ben-Ishay D, Mekler J, Ben-Arie L, Bursztyn M. Predictors of all-cause mortality in clinical ambulatory monitoring: unique aspects of blood pressure during sleep. Hypertension 2007;49:1235-41. https://doi.org/10.1161/HYPERTENSIONAHA.107.087262
- ABC-H InvestigatorsRoush GC, Fagard RH, et al. Prognostic impact from clinic, daytime, and night-time systolic blood pressure in nine cohorts of 13,844 patients with hypertension. J Hypertens 2014;32:2332-40. https://doi.org/10.1097/HJH.0000000000000355
- Yano Y, Kario K. Nocturnal blood pressure and cardiovascular disease: a review of recent advances. Hypertens Res 2012;35:695-701. https://doi.org/10.1038/hr.2012.26
- O'Brien E, Sheridan J, O'Malley K. Dippers and non-dippers. Lancet 1988;2:397. https://doi.org/10.1016/S0140-6736(88)92867-X
- Kario K, Pickering TG, Matsuo T, Hoshide S, Schwartz JE, Shimada K. Stroke prognosis and abnormal nocturnal blood pressure falls in older hypertensives. Hypertension 2001;38:852-7. https://doi.org/10.1161/hy1001.092640
- Boggia J, Thijs L, Hansen TW, et al. Ambulatory blood pressure monitoring in 9357 subjects from 11 populations highlights missed opportunities for cardiovascular prevention in women. Hypertension 2011;57:397-405. https://doi.org/10.1161/HYPERTENSIONAHA.110.156828
- Ohkubo T, Hozawa A, Yamaguchi J, et al. Prognostic significance of the nocturnal decline in blood pressure in individuals with and without high 24-h blood pressure: the Ohasama study. J Hypertens 2002;20:2183-9. https://doi.org/10.1097/00004872-200211000-00017
- Boggia J, Li Y, Thijs L, et al. Prognostic accuracy of day versus night ambulatory blood pressure: a cohort study. Lancet 2007;370:1219-29. https://doi.org/10.1016/S0140-6736(07)61538-4
- Lee HY, Shin J, Kim GH, et al. 2018 Korean Society of Hypertension Guidelines for the management of hypertension: part II-diagnosis and treatment of hypertension. Clin Hypertens 2019;25:20. https://doi.org/10.1186/s40885-019-0124-x
- Li Y, Staessen JA, Lu L, Li LH, Wang GL, Wang JG. Is isolated nocturnal hypertension a novel clinical entity? Findings from a Chinese population study. Hypertension 2007;50:333-9. https://doi.org/10.1161/HYPERTENSIONAHA.107.087767
- Thomas SJ, Booth JN 3rd, Bromfield SG, et al. Clinic and ambulatory blood pressure in a populationbased sample of African Americans: the Jackson Heart Study. J Am Soc Hypertens 2017;11:204-212.e5. https://doi.org/10.1016/j.jash.2017.02.001
- Melgarejo JD, Maestre GE, Thijs L, et al. Prevalence, treatment, and control rates of conventional and ambulatory hypertension across 10 populations in 3 continents. Hypertension 2017;70:50-8. https://doi.org/10.1161/HYPERTENSIONAHA.117.09188
- Sakhuja S, Booth JN 3rd, Lloyd-Jones DM, et al. Health behaviors, nocturnal hypertension, and nondipping blood pressure: the coronary artery risk development in young adults and Jackson Heart Study. Am J Hypertens 2019;32:759-68. https://doi.org/10.1093/ajh/hpz017
- de la Sierra A, Gorostidi M, Banegas JR, Segura J, de la Cruz JJ, Ruilope LM. Nocturnal hypertension or nondipping: which is better associated with the cardiovascular risk profile? Am J Hypertens 2014;27:680-7. https://doi.org/10.1093/ajh/hpt175
- Hoshide S, Kario K, de la Sierra A, et al. Ethnic differences in the degree of morning blood pressure surge and in its determinants between Japanese and European hypertensive subjects: data from the ARTEMIS study. Hypertension 2015;66:750-6. https://doi.org/10.1161/HYPERTENSIONAHA.115.05958
- Hosohata K, Kikuya M, Ohkubo T, et al. Reproducibility of nocturnal blood pressure assessed by self-measurement of blood pressure at home. Hypertens Res 2007;30:707-12. https://doi.org/10.1291/hypres.30.707
- Ushio H, Ishigami T, Araki N, et al. Utility and feasibility of a new programmable home blood pressure monitoring device for the assessment of nighttime blood pressure. Clin Exp Nephrol 2009;13:480-5. https://doi.org/10.1007/s10157-009-0192-4
- Ishikawa J, Hoshide S, Eguchi K, et al. Nighttime home blood pressure and the risk of hypertensive target organ damage. Hypertension 2012;60:921-8. https://doi.org/10.1161/HYPERTENSIONAHA.112.198101
- Kario K, Tomitani N, Kanegae H, et al. Comparative effects of an angiotensin II receptor blocker (ARB)/diuretic vs. ARB/calcium-channel blocker combination on uncontrolled nocturnal hypertension evaluated by information and communication technology-based nocturnal home blood pressure monitoring- the NOCTURNE study. Circ J 2017;81:948-57. https://doi.org/10.1253/circj.CJ-17-0109
- Andreadis EA, Agaliotis G, Kollias A, Kolyvas G, Achimastos A, Stergiou GS. Night-time home versus ambulatory blood pressure in determining target organ damage. J Hypertens 2016;34:438-44. https://doi.org/10.1097/HJH.0000000000000815
- Lindroos AS, Johansson JK, Puukka PJ, et al. The association between home vs. ambulatory night-time blood pressure and end-organ damage in the general population. J Hypertens 2016;34:1730-7. https://doi.org/10.1097/HJH.0000000000000995
- Kuwabara M, Harada K, Hishiki Y, Kario K. Validation of two watch-type wearable blood pressure monitors according to the ANSI/AAMI/ISO81060-2:2013 guidelines: Omron HEM-6410T-ZM and HEM-6410T-ZL. J Clin Hypertens (Greenwich) 2019;21:853-8. https://doi.org/10.1111/jch.13499
- Kollias A, Ntineri A, Stergiou GS. Association of night-time home blood pressure with night-time ambulatory blood pressure and target-organ damage: a systematic review and meta-analysis. J Hypertens 2017;35:442-52. https://doi.org/10.1097/HJH.0000000000001189
- Carek AM, Conant J, Joshi A, Kang H, Inan OT. SeismoWatch: wearable cuffless blood pressure monitoring using pulse transit time. Proc ACM Interact Mob Wearable Ubiquitous Technol 2017;1:40.
- Chen A. Samsung's Galaxy Watch is supposed to measure blood pressure? But how accurate will it be? [Internet]. New York (NY): Vox Media; 2019 [cited 2019 Aug 2]. Available from: https://www.theverge.com/2019/2/25/18236373/samsung-galaxy-watch-blood-pressure-monitoring-health-fda.
- Uzu T, Ishikawa K, Fujii T, Nakamura S, Inenaga T, Kimura G. Sodium restriction shifts circadian rhythm of blood pressure from nondipper to dipper in essential hypertension. Circulation 1997;96:1859-62. https://doi.org/10.1161/01.CIR.96.6.1859
- Kimura G. Kidney and circadian blood pressure rhythm. Hypertension 2008;51:827-8. https://doi.org/10.1161/HYPERTENSIONAHA.108.110213
- Kario K. Systemic hemodynamic atherothrombotic syndrome and resonance hypothesis of blood pressure variability: triggering cardiovascular events. Korean Circ J 2016;46:456-67. https://doi.org/10.4070/kcj.2016.46.4.456
- Wang C, Zhang J, Liu X, et al. Reversed dipper blood-pressure pattern is closely related to severe renal and cardiovascular damage in patients with chronic kidney disease. PLoS One 2013;8:e55419. https://doi.org/10.1371/journal.pone.0055419
- Liu M, Takahashi H, Morita Y, et al. Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients. Nephrol Dial Transplant 2003;18:563-9. https://doi.org/10.1093/ndt/18.3.563
- Legramante JM, Galante A. Sleep and hypertension: a challenge for the autonomic regulation of the cardiovascular system. Circulation 2005;112:786-8. https://doi.org/10.1161/CIRCULATIONAHA.105.555714
- Lombardi F, Parati G. An update on: cardiovascular and respiratory changes during sleep in normal and hypertensive subjects. Cardiovasc Res 2000;45:200-11. https://doi.org/10.1016/S0008-6363(99)00329-6
- Pepin JL, Borel AL, Tamisier R, Baguet JP, Levy P, Dauvilliers Y. Hypertension and sleep: overview of a tight relationship. Sleep Med Rev 2014;18:509-19. https://doi.org/10.1016/j.smrv.2014.03.003
- Marin JM, Agusti A, Villar I, et al. Association between treated and untreated obstructive sleep apnea and risk of hypertension. JAMA 2012;307:2169-76.
- Baguet JP, Hammer L, Levy P, et al. Night-time and diastolic hypertension are common and underestimated conditions in newly diagnosed apnoeic patients. J Hypertens 2005;23:521-7. https://doi.org/10.1097/01.hjh.0000160207.58781.4e
- Haentjens P, Van Meerhaeghe A, Moscariello A, et al. The impact of continuous positive airway pressure on blood pressure in patients with obstructive sleep apnea syndrome: evidence from a meta-analysis of placebo-controlled randomized trials. Arch Intern Med 2007;167:757-64. https://doi.org/10.1001/archinte.167.8.757
- Turnbull F; Blood Pressure Lowering Treatment Trialists' Collaboration. Effects of different blood-pressure-lowering regimens on major cardiovascular events: results of prospectively-designed overviews of randomised trials. Lancet 2003;362:1527-35. https://doi.org/10.1016/S0140-6736(03)14739-3
- Hoshide S, Ishikawa J, Eguchi K, Ojima T, Shimada K, Kario K. Masked nocturnal hypertension and target organ damage in hypertensives with well-controlled self-measured home blood pressure. Hypertens Res 2007;30:143-9. https://doi.org/10.1291/hypres.30.143
- Komori T, Eguchi K, Tomizawa H, et al. Factors associated with incident ischemic stroke in hospitalized heart failure patients: a pilot study. Hypertens Res 2008;31:289-94. https://doi.org/10.1291/hypres.31.289
- Sega R, Facchetti R, Bombelli M, et al. Prognostic value of ambulatory and home blood pressures compared with office blood pressure in the general population: follow-up results from the Pressioni Arteriose Monitorate e Loro Associazioni (PAMELA) study. Circulation 2005;111:1777-83. https://doi.org/10.1161/01.CIR.0000160923.04524.5B
- Salvetti M, Muiesan ML, Rizzoni D, et al. Night time blood pressure and cardiovascular structure in a middle-aged general population in northern Italy: the Vobarno Study. J Hum Hypertens 2001;15:879-85. https://doi.org/10.1038/sj.jhh.1001286
- Shin J, Xu E, Lim YH, et al. Relationship between nocturnal blood pressure and 24-h urinary sodium excretion in a rural population in Korea. Clin Hypertens 2014;20:9. https://doi.org/10.1186/2056-5909-1-3
- Lim YH, Enkhdorj R, Kim BK, Kim SG, Kim JH, Shin J. Correlation between proximal abdominal aortic stiffness measured by ultrasound and brachial-ankle pulse wave velocity. Korean Circ J 2013;43:391-9. https://doi.org/10.4070/kcj.2013.43.6.391
- Kario K. Essential manual of 24-hour blood pressure management from morning to nocturnal hypertension. London: Wiley-Blackwell; 2015.
- Heart Outcomes Prevention Evaluation Study Investigators, Yusuf S, Sleight P, et al. Effects of an angiotensin-converting-enzyme inhibitor, ramipril, on cardiovascular events in high-risk patients. N Engl J Med 2000;342:145-53. https://doi.org/10.1056/NEJM200001203420301
- Svensson P, de Faire U, Sleight P, Yusuf S, Ostergren J. Comparative effects of ramipril on ambulatory and office blood pressures: a HOPE Substudy. Hypertension 2001;38:E28-32.
- Hermida RC, Ayala DE. Chronotherapy with the angiotensin-converting enzyme inhibitor ramipril in essential hypertension: improved blood pressure control with bedtime dosing. Hypertension 2009;54:40-6. https://doi.org/10.1161/HYPERTENSIONAHA.109.130203
- Pareek AK, Messerli FH, Chandurkar NB, et al. Efficacy of low-dose chlorthalidone and hydrochlorothiazide as assessed by 24-h ambulatory blood pressure monitoring. J Am Coll Cardiol 2016;67:379-89.
- Kario K. Proposal of a new strategy for ambulatory blood pressure profile-based management of resistant hypertension in the era of renal denervation. Hypertens Res 2013;36:478-84. https://doi.org/10.1038/hr.2013.19
- Imaizumi Y, Eguchi K, Murakami T, Arakawa K, Tsuchihashi T, Kario K. High salt intake is independently associated with hypertensive target organ damage. J Clin Hypertens (Greenwich) 2016;18:315-21. https://doi.org/10.1111/jch.12668
- Yasuda G, Hasegawa K, Kuji T, et al. Effects of doxazosin on ambulatory blood pressure and sympathetic nervous activity in hypertensive Type 2 diabetic patients with overt nephropathy. Diabet Med 2005;22:1394-400. https://doi.org/10.1111/j.1464-5491.2005.01636.x
- Bisognano JD, Bakris G, Nadim MK, et al. Baroreflex activation therapy lowers blood pressure in patients with resistant hypertension: results from the double-blind, randomized, placebo-controlled Rheos Pivotal Trial. J Am Coll Cardiol 2011;58:765-73. https://doi.org/10.1016/j.jacc.2011.06.008
- Krum H, Schlaich M, Whitbourn R, et al. Catheter-based renal sympathetic denervation for resistant hypertension: a multicentre safety and proof-of-principle cohort study. Lancet 2009;373:1275-81. https://doi.org/10.1016/S0140-6736(09)60566-3
- Kario K, Bhatt DL, Kandzari DE, et al. Impact of renal denervation on patients with obstructive sleep apnea and resistant hypertension: insights from the SYMPLICITY HTN-3 trial. Circ J 2016;80:1404-12. https://doi.org/10.1253/circj.CJ-16-0035
- Hermida RC, Hermida RC. Ambulatory blood pressure monitoring in the prediction of cardiovascular events and effects of chronotherapy: rationale and design of the MAPEC study. Chronobiol Int 2007;24:749-75. https://doi.org/10.1080/07420520701535837
- Mahabala C, Kamath P, Bhaskaran U, Pai ND, Pai AU. Antihypertensive therapy: nocturnal dippers and nondippers. Do we treat them differently? Vasc Health Risk Manag 2013;9:125-33.
- Hermida RC, Ayala DE, Mojon A, Fernandez JR. Influence of circadian time of hypertension treatment on cardiovascular risk: results of the MAPEC study. Chronobiol Int 2010;27:1629-51. https://doi.org/10.3109/07420528.2010.510230
- Gorostidi M. Effect of Olmesartan-based therapy on therapeutic indicators obtain through out-of-office blood pressure. Cardiol Ther 2015;4:19-30. https://doi.org/10.1007/s40119-015-0042-2
- Hermida RC, Ayala DE, Fernandez JR, Calvo C. Comparison of the efficacy of morning versus evening administration of telmisartan in essential hypertension. Hypertension 2007;50:715-22. https://doi.org/10.1161/HYPERTENSIONAHA.107.094235
- Tofe Povedano S, Garcia De La Villa B. 24-Hour and night time blood pressures in type 2 diabetic hypertensive patients following morning or evening administration of Olmesartan. J Clin Hypertens (Greenwich) 2009;11:426-31. https://doi.org/10.1111/j.1751-7176.2009.00152.x
- Matsui Y, Eguchi K, O'Rourke MF, et al. Differential effects between a calcium channel blocker and a diuretic when used in combination with angiotensin II receptor blocker on central aortic pressure in hypertensive patients. Hypertension 2009;54:716-23. https://doi.org/10.1161/HYPERTENSIONAHA.109.131466
- Hermida RC, Ayala DE, Fernandez JR, Calvo C. Chronotherapy improves blood pressure control and reverts the nondipper pattern in patients with resistant hypertension. Hypertension 2008;51:69-76. https://doi.org/10.1161/HYPERTENSIONAHA.107.096933
- Kario K, Okada K, Kato M, et al. 24-hour blood pressure-lowering effect of an SGLT-2 inhibitor in patients with diabetes and uncontrolled nocturnal hypertension: results from the randomized, placebo-controlled SACRA Study. Circulation 2018;139:2089-97. https://doi.org/10.1161/CIRCULATIONAHA.118.037076
- American Diabetes Association. 8. Cardiovascular disease and risk management. Diabetes Care 2016;39 Suppl 1:S60-71. https://doi.org/10.2337/dc16-er09
- American Diabetes Association. 10. Cardiovascular disease and risk management: standards of Medical Care in Diabetes-2019. Diabetes Care 2019;42:S103-23.
- McMurray JJ, Packer M, Desai AS, et al. Angiotensin-neprilysin inhibition versus enalapril in heart failure. N Engl J Med 2014;371:993-1004. https://doi.org/10.1056/NEJMoa1409077
- Bavishi C, Messerli FH, Kadosh B, Ruilope LM, Kario K. Role of neprilysin inhibitor combinations in hypertension: insights from hypertension and heart failure trials. Eur Heart J 2015;36:1967-73. https://doi.org/10.1093/eurheartj/ehv142
- Zinman B, Wanner C, Lachin JM, et al. Empagliflozin, cardiovascular outcomes, and mortality in Type 2 diabetes. N Engl J Med 2015;373:2117-28. https://doi.org/10.1056/NEJMoa1504720