Institut for Biomedicin

Christian Aalkjær

Regression of media-to-lumen ratio of human subcutaneous arteries and left ventricular hypertrophy during treatment with an angiotensin-converting enzyme inhibitor-based regimen in hypertensive patients

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  • Institut for Fysiologi og Biofysik
  • Farmakologisk Institut
  • Medicinsk-Kardiologisk Afdeling A, THG
  • Medicinsk afd., Viborg
A total of 25 patients with newly diagnosed or poorly controlled essential hypertension were randomly selected from a larger group referred to hospital. Treatment was initiated with perindopril (4-8 mg orally). If normotension was not achieved, isradipine (5-10 mg orally) was added and, if necessary, hydralazine was added. Before treatment and at the end of a 9-month period of normotension (diastolic blood pressure <or = 90 mm Hg), 24-hour blood pressure and echocardiographic measurements were performed and resistance artery structure was determined. A total of 20 age- and sex-matched normotensives were used as controls. During antihypertensive treatment, mean blood pressure was reduced from 128 +/- 11 to 103 +/- 6 mm Hg. Left ventricular mass was reduced from 300 +/- 76 to 198 +/- 54 g. The media:lumen ratio of the resistance arteries decreased from 9.8 +/- 2.6% to 7.8 +/- 1.9%; control subjects exhibited a media:lumen ratio of the same magnitude (7.9 +/- 2.0%). Results indicate that a perindopril-based regimen is extremely efficient in normalizing resistance artery and cardiac ventricular structures within one year of treatment. The impact of these findings on the excess cardiovascular morbidity and mortality in arterial hypertension still remains to be demonstrated.
TidsskriftAmerican Journal of Cardiology
Sider (fra-til)38E-40E
StatusUdgivet - 24 nov. 1995

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