TY - JOUR
T1 - Ambulatory blood pressure monitoring in evaluating the prevalence of hypertension in adults in Ohasama, a rural Japanese community
AU - Imai, Yutaka
AU - Tsuji, Ichiro
AU - Nagai, Kenichi
AU - Sakuma, Mariko
AU - Ohkubo, Takayoshi
AU - Watanabe, Noriko
AU - Ito, Osamu
AU - Satoh, Hiroshi
AU - Hisamichi, Shigeru
AU - Abe, Keishi
N1 - Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 1996
Y1 - 1996
N2 - We estimated the prevalence of hypertension and evaluated the degree of blood pressure control on the basis of ambulatory blood pressure monitoring in patients receiving antihypertensive medication. A total of 969 adults (mean age ± SD, 59.3 ± 12.1 years old, range: 20-79 yr) among 1,575 eligible persons (65.1%) recruited from a total adult population of 2,789 people living in a rural region of northern Japan underwent measurement of initial screening blood pressure; ambulatory blood pressure was measured subsequently. A total of 285 subjects (66.5 ± 9.2 years old) were taking antihypertensive medication (treated group), while 684 (56.3 ± 12.0 years old) were not (untreated group). The WHO criteria were used to categorize screening blood pressure. Ambulatory blood pressure levels were classified as follows: hypertension, systolic blood pressure ≤ 144 mmHg and/or diastolic blood pressure ≤ 85 mmHg; and normotension, systolic blood pressure ≤ 133 and diastolic blood pressure ≤ 78 mmHg. Of the 285 treated subjects, 49 (17.2%) were classified as hypertensive by screening measurements, while 36 (12.6%) were classified as such by ambulatory blood pressure monitoring. Only 12 (24.5%) of the former 49 subjects were also classified as hypertensive, while 20 (40.8%) were classified as normotensive by ambulatory blood pressure monitoring. Of the 684 untreated subjects, 34 (5.0%) were hypertensive by screening measurements and 43 (6.3%) were hypertensive by ambulatory blood pressure monitoring. Only 14 (41.2%) of the former 34 subjects were classified as hypertensive by ambulatory blood pressure monitoring. Of the 34 untreated subjects classified as hypertensive by screening measurements, ambulatory blood pressure monitoring showed 12 (35.3%) to be normotensive, suggesting that they were cases of 'white coat' hypertension. The study first confirmed, based on community-derived data, that there are large discrepancies between screening (casual) blood pressure measurements and ambulatory blood pressure monitoring with respect to the recognition of hypertension and normotension. The determination of blood pressure levels by ambulatory blood pressure monitoring may result in a different prognosis of hypertension from that made on the basis of screening blood pressure measurements. The prognostic value of ambulatory blood pressure has to be further investigated.
AB - We estimated the prevalence of hypertension and evaluated the degree of blood pressure control on the basis of ambulatory blood pressure monitoring in patients receiving antihypertensive medication. A total of 969 adults (mean age ± SD, 59.3 ± 12.1 years old, range: 20-79 yr) among 1,575 eligible persons (65.1%) recruited from a total adult population of 2,789 people living in a rural region of northern Japan underwent measurement of initial screening blood pressure; ambulatory blood pressure was measured subsequently. A total of 285 subjects (66.5 ± 9.2 years old) were taking antihypertensive medication (treated group), while 684 (56.3 ± 12.0 years old) were not (untreated group). The WHO criteria were used to categorize screening blood pressure. Ambulatory blood pressure levels were classified as follows: hypertension, systolic blood pressure ≤ 144 mmHg and/or diastolic blood pressure ≤ 85 mmHg; and normotension, systolic blood pressure ≤ 133 and diastolic blood pressure ≤ 78 mmHg. Of the 285 treated subjects, 49 (17.2%) were classified as hypertensive by screening measurements, while 36 (12.6%) were classified as such by ambulatory blood pressure monitoring. Only 12 (24.5%) of the former 49 subjects were also classified as hypertensive, while 20 (40.8%) were classified as normotensive by ambulatory blood pressure monitoring. Of the 684 untreated subjects, 34 (5.0%) were hypertensive by screening measurements and 43 (6.3%) were hypertensive by ambulatory blood pressure monitoring. Only 14 (41.2%) of the former 34 subjects were classified as hypertensive by ambulatory blood pressure monitoring. Of the 34 untreated subjects classified as hypertensive by screening measurements, ambulatory blood pressure monitoring showed 12 (35.3%) to be normotensive, suggesting that they were cases of 'white coat' hypertension. The study first confirmed, based on community-derived data, that there are large discrepancies between screening (casual) blood pressure measurements and ambulatory blood pressure monitoring with respect to the recognition of hypertension and normotension. The determination of blood pressure levels by ambulatory blood pressure monitoring may result in a different prognosis of hypertension from that made on the basis of screening blood pressure measurements. The prognostic value of ambulatory blood pressure has to be further investigated.
KW - Ambulatory blood pressure monitoring
KW - Epidemiology
KW - Hypertension
KW - Prevalence
KW - White coat hypertension
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U2 - 10.1291/hypres.19.207
DO - 10.1291/hypres.19.207
M3 - Article
C2 - 8891750
AN - SCOPUS:0029861888
VL - 19
SP - 207
EP - 212
JO - Hypertension Research
JF - Hypertension Research
SN - 0916-9636
IS - 3
ER -