Verringerung der Antihypertonika-Dosis während Langzeitbehandlung und kompletter Rückbildung einer linksventrikulären Hypertrophie

Autor:	U. Tönnesmann, U. Behr, I.-W. Franz, R. Ketelhut
Rok vydání:	2008
Předmět:	medicine.medical_specialty business.industry General Medicine Left ventricular hypertrophy medicine.disease Hydrochlorothiazide Blood pressure Weight loss Internal medicine Complete regression medicine Cardiology Mass index medicine.symptom business Prospective cohort study medicine.drug Metoprolol
Zdroj:	DMW - Deutsche Medizinische Wochenschrift. 121:472-477
ISSN:	1439-4413 0012-0472
DOI:	10.1055/s-2008-1043029
Popis:	AIM OF STUDY: To discover whether in hypertensives with left ventricular hypertrophy (LVH) the increased muscle mass will completely regress under antihypertensive treatment and drug dosage can in consequence be reduced. PATIENTS AND METHOD: Prospectively 22 previously untreated hypertensives (20 men, 2 women; mean age 43.6 +/- 9 years) with echocardiographically confirmed LVH were investigated. The observation period was 102 +/- 5 months. All patients initially received metoprolol, 100 mg daily, after 14 days 200 mg daily (additionally hydrochlorothiazide in five patients). In all patients the blood pressure became normal at rest and on exercise within 6 weeks. RESULTS: After one year the mean left ventricular muscle mass index (LVMI) had fallen from 151 +/- 29 to 117 +/- 26 g/m2 (P < 0.001), and after 7 years to 82 +/- 14 g/m2 (P < 0.001; - 45.7%). Complete remission of LVH was demonstrated in 21 Patients. The drug dosage could either be reduced or the drug completely discontinued in 11 patients (group 1): after 102 +/- 5 months four patients took no drug, while seven were on 100 mg metoprolol. This was not possible in the other 11 patients (group 2), five of whom had been on both metoprolol and hydrochlorothiazide. The two groups differed with respect to loss of body weight (group 1: from 81.+/- 12 to 79.1 +/- 13 kg; P < 0.05; group 2: 85.7 +/- 8 to 88.1 +/- 10 kg; P < 0.05), but not regarding reduction of LVMI and blood pressure. CONCLUSION: Antihypertensive treatment for several years leads to regression in LVH in nearly all patients. In half of them the drug dosage can be reduced or the drug even discontinued. Weight loss may play an important part in this development.
Databáze:	OpenAIRE
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