Recent status of self-measured home blood pressure in the Japanese general population: a modern database on self-measured home blood pressure (MDAS)

Kei Asayama, Yasuharu Tabara, Emi Oishi, Satoko Sakata, Takashi Hisamatsu, Kayo Godai, Mai Kabayama, Yukako Tatsumi, Jun Hata, Masahiro Kikuya, Kei Kamide, Katsuyuki Miura, Toshiharu Ninomiya, Takayoshi Ohkubo

Research output: Contribution to journalArticle

Abstract

Despite the clinical usefulness of self-measured home blood pressure (BP), reports on the characteristics of home BP have not been sufficient and have varied due to the measurement conditions in each study. We constructed a database on self-measured home BP, which included five Japanese general populations as subdivided aggregate data that were clustered and meta-analyzed according to sex, age category, and antihypertensive drug treatment at baseline (treated and untreated). The self-measured home BPs were collected after a few minutes of rest in a sitting position: (1) the morning home BP was measured within 1 h of waking, after urination, before breakfast, and before taking antihypertensive medication (if any); and (2) the evening home BP was measured just before going to bed. The pulse rate was simultaneously measured. Eligible data from 2000 onward were obtained. The morning BP was significantly higher in treated participants than in untreated people of the same age category, and the BP difference was more marked in women. Among untreated residents, home systolic/diastolic BPs measured in the morning were higher than those measured in the evening; the differences were 5.7/5.0 mmHg in women (ranges across the cohorts, 5.3–6.8/4.7–5.4 mmHg) and 7.3/7.7 mmHg in men (ranges, 6.4–8.5/7.0–8.7 mmHg). In contrast, the home pulse rate in women and men was 2.4 (range, 1.5–3.7) and 5.6 (range, 4.6–6.6) beats per minute, respectively, higher in the evening than in the morning. We demonstrated the current status of home BP and home pulse rate in relation to sex, age, and antihypertensive treatment status in the Japanese general population. The approach by which fine-clustered aggregate statistics were collected and integrated could address practical issues raised in epidemiological research settings.

Original languageEnglish
JournalHypertension Research
DOIs
Publication statusAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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