{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T07:54:41Z","timestamp":1770537281712,"version":"3.49.0"},"reference-count":29,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2005,6,15]],"date-time":"2005-06-15T00:00:00Z","timestamp":1118793600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Endocrinology"],"published-print":{"date-parts":[[2005,7]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p><jats:bold>Background and Objective<\/jats:bold> Thyroid hormones have pronounced effects on the cardiovascular system. Thyrotoxicosis affects blood pressure (BP), modifying both diastolic (DBP) and systolic (SBP) pressures. There are no studies examining BP with ambulatory blood pressure monitoring (ABPM) in hyperthyroidism before and after control of thyroid function. Our aims were (1) to analyse ABPM in a group of normotensive hyperthyroid patients before and after normalizing circulating thyroid hormones and (2) to compare these results with those obtained in a group of euthyroid subjects.<\/jats:p><jats:p><jats:bold>Patients and Measurements<\/jats:bold> We studied 20 normotensive hyperthyroid subjects [18 women; age (mean\u00a0\u00b1\u00a0SEM) 49\u00b70\u00a0\u00b1\u00a03\u00b70\u00a0years] and 15 healthy subjects. Patients were evaluated by ABPM over 24\u00a0h, at diagnosis and after therapy (<jats:italic>n<\/jats:italic>\u00a0=\u00a018).<\/jats:p><jats:p><jats:bold>Results<\/jats:bold> The average 24\u2010h, daytime and night\u2010time SBP was significantly greater in hyperthyroid patients than in controls with no significant differences in DBP. Circadian BP rhythm, estimated by the difference between mean values of SBP, DBP and mean BP during daytime and night\u2010time, was unchanged. The average 24\u2010h and daytime SBP significantly decreased after normalizing thyroid function in the 18 hyperthyroid evaluated patients. Daytime SBP and DBP were higher than night\u2010time values both before and after control of thyroid function. However, no differences in circadian BP rhythm were observed.<\/jats:p><jats:p><jats:bold>Conclusions<\/jats:bold> Normotensive hyperthyroid patients exhibit higher ambulatory SBP throughout 24\u00a0h than normotensive euthyroid subjects. Control of hyperthyroidism decreases ambulatory SBP values. Mean nocturnal fall in BP is comparable in normotensive hyperthyroid patients and control subjects.<\/jats:p>","DOI":"10.1111\/j.1365-2265.2005.02301.x","type":"journal-article","created":{"date-parts":[[2005,6,20]],"date-time":"2005-06-20T12:33:35Z","timestamp":1119270815000},"page":"66-72","source":"Crossref","is-referenced-by-count":33,"title":["Ambulatory blood pressure monitoring in patients with hyperthyroidism before and after control of thyroid function"],"prefix":"10.1111","volume":"63","author":[{"given":"P.","family":"Iglesias","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Acosta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. J.","family":"Fern\u00e1ndez\u2010Reyes","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Mon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. J.","family":"D\u00edez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,6,15]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0889-8529(05)70297-8"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM200102153440707"},{"key":"e_1_2_6_4_2","first-page":"159","article-title":"Thyroid hormone and the heart","volume":"13","author":"Moolman J.A.","year":"2002","journal-title":"Cardiovascular Journal of South Africa"},{"key":"e_1_2_6_5_2","first-page":"139","article-title":"Thyroid hormone and the cardiovascular system","volume":"29","author":"Danzi S.","year":"2004","journal-title":"Minerva Endocrinologica"},{"key":"e_1_2_6_6_2","doi-asserted-by":"crossref","first-page":"1672","DOI":"10.1210\/jc.2002-021046","article-title":"The effects of early antithyroid therapy for endogenous subclinical hyperthyroidism in clinical and heart abnormalities","volume":"88","author":"Sgarbi J.A.","year":"2003","journal-title":"Journal of Clinical Endocrinology and Metabolism"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0889-8529(05)70295-4"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.1931.00140200003001"},{"issue":"2","key":"e_1_2_6_9_2","first-page":"33","article-title":"Circadian blood pressure rhythm in hyperthyroidism and primary hyperparathyroidism","volume":"81","author":"Kluglich M.","year":"1992","journal-title":"Zeitschrift f\u00fcr 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arterial pressure in patients with hyperthyroidism during therapy","volume":"8","author":"Marcisz C.","year":"2002","journal-title":"Medical Science Monitor"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1507\/endocrj1954.27.223"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/0024-3205(82)90276-4"},{"key":"e_1_2_6_21_2","doi-asserted-by":"publisher","DOI":"10.1620\/tjem.159.185"},{"issue":"7","key":"e_1_2_6_22_2","first-page":"S125","article-title":"Circadian blood pressure variations under different pathophysiological conditions","volume":"8","author":"Imai Y.","year":"1990","journal-title":"Journal of Hypertension"},{"key":"e_1_2_6_23_2","doi-asserted-by":"publisher","DOI":"10.3109\/08037059309077524"},{"key":"e_1_2_6_24_2","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1677\/erc.0.0110345","article-title":"Chronic thyrotropin\u2010suppressive therapy with levothyroxine and short\u2010term overt hypothyroidism after thyroxine 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