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Prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure value: from the Japan Home versus Office Measurement Evaluation Study.
Blood Press Monit 2005; 10(6):311-6BP

Abstract

OBJECTIVE

To evaluate the prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure values.

METHODS

The study population consisted of 3303 essential hypertensive outpatients receiving antihypertensive treatment in Japan. Information on the characteristics of the patients was collected by a physician's self-administrated questionnaire. The office blood pressure value was calculated as the average of the four readings in two visits. All patients were asked to measure their blood pressure once every morning and once every evening. In the study, we included patients with at least three measurements in the morning and in the evening, respectively. The average of all home blood pressure values was taken as the home blood pressure value.

RESULTS

The mean value of home systolic/diastolic blood pressure was 136.8/79.3 mmHg, and the mean value of office systolic/diastolic blood pressure was 142.8/80.6 mmHg. Of the 3303 patients, 758 (23.0%) had controlled hypertension (home <135/85 mmHg and office <140/90 mmHg), 628 (19.0%) had masked uncontrolled hypertension (home > or =135/85 mmHg and office <140/90 mmHg), 640 (19.4%) had treated white-coat hypertension (home <135/85 mmHg and office > or =140/90 mmHg), and 1277 (38.7%) had uncontrolled hypertension (home > or =135/85 mmHg and office > or =140/90 mmHg).

CONCLUSIONS

Treated white-coat hypertension and masked uncontrolled hypertension were often observed in clinical settings. Physicians need to understand the prevalence of such patients to prevent inadequate diagnosis and treatment in them.

Authors+Show Affiliations

Department of Clinical Pharmacology and Therapeutics, Tohoku University Hospital, Sendai 980-8574, Japan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16496446

Citation

Obara, Takua, et al. "Prevalence of Masked Uncontrolled and Treated White-coat Hypertension Defined According to the Average of Morning and Evening Home Blood Pressure Value: From the Japan Home Versus Office Measurement Evaluation Study." Blood Pressure Monitoring, vol. 10, no. 6, 2005, pp. 311-6.
Obara T, Ohkubo T, Kikuya M, et al. Prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure value: from the Japan Home versus Office Measurement Evaluation Study. Blood Press Monit. 2005;10(6):311-6.
Obara, T., Ohkubo, T., Kikuya, M., Asayama, K., Metoki, H., Inoue, R., ... Imai, Y. (2005). Prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure value: from the Japan Home versus Office Measurement Evaluation Study. Blood Pressure Monitoring, 10(6), pp. 311-6.
Obara T, et al. Prevalence of Masked Uncontrolled and Treated White-coat Hypertension Defined According to the Average of Morning and Evening Home Blood Pressure Value: From the Japan Home Versus Office Measurement Evaluation Study. Blood Press Monit. 2005;10(6):311-6. PubMed PMID: 16496446.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure value: from the Japan Home versus Office Measurement Evaluation Study. AU - Obara,Takua, AU - Ohkubo,Takayoshi, AU - Kikuya,Masahiro, AU - Asayama,Keia, AU - Metoki,Hirohito, AU - Inoue,Ryusuke, AU - Oikawa,Takuya, AU - Komai,Rie, AU - Murai,Kayo, AU - Horikawa,Tsuyoshi, AU - Hashimoto,Junichiro, AU - Totsune,Kazuhito, AU - Imai,Yutaka, AU - ,, PY - 2006/2/24/pubmed PY - 2006/3/11/medline PY - 2006/2/24/entrez SP - 311 EP - 6 JF - Blood pressure monitoring JO - Blood Press Monit VL - 10 IS - 6 N2 - OBJECTIVE: To evaluate the prevalence of masked uncontrolled and treated white-coat hypertension defined according to the average of morning and evening home blood pressure values. METHODS: The study population consisted of 3303 essential hypertensive outpatients receiving antihypertensive treatment in Japan. Information on the characteristics of the patients was collected by a physician's self-administrated questionnaire. The office blood pressure value was calculated as the average of the four readings in two visits. All patients were asked to measure their blood pressure once every morning and once every evening. In the study, we included patients with at least three measurements in the morning and in the evening, respectively. The average of all home blood pressure values was taken as the home blood pressure value. RESULTS: The mean value of home systolic/diastolic blood pressure was 136.8/79.3 mmHg, and the mean value of office systolic/diastolic blood pressure was 142.8/80.6 mmHg. Of the 3303 patients, 758 (23.0%) had controlled hypertension (home <135/85 mmHg and office <140/90 mmHg), 628 (19.0%) had masked uncontrolled hypertension (home > or =135/85 mmHg and office <140/90 mmHg), 640 (19.4%) had treated white-coat hypertension (home <135/85 mmHg and office > or =140/90 mmHg), and 1277 (38.7%) had uncontrolled hypertension (home > or =135/85 mmHg and office > or =140/90 mmHg). CONCLUSIONS: Treated white-coat hypertension and masked uncontrolled hypertension were often observed in clinical settings. Physicians need to understand the prevalence of such patients to prevent inadequate diagnosis and treatment in them. SN - 1359-5237 UR - https://www.unboundmedicine.com/medline/citation/16496446/Prevalence_of_masked_uncontrolled_and_treated_white_coat_hypertension_defined_according_to_the_average_of_morning_and_evening_home_blood_pressure_value:_from_the_Japan_Home_versus_Office_Measurement_Evaluation_Study_ L2 - http://dx.doi.org/10.1097/00126097-200512000-00005 DB - PRIME DP - Unbound Medicine ER -