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Doppler echocardiographic patterns in patients with acromegaly.

Abstract：

:Cardiovascular problems have long been recognized as responsible for an increased morbidity and mortality in patients with acromegaly. The aim of the present study was to evaluate echocardiographically the prevalence of cardiomyopathy in a cohort of acromegalic patients and to analyze the results in relation to demographic, clinical and hormonal data. This study, a retrospective controlled clinical trial, was performed in 25 acromegalic patients, 12 men and 13 women aged 26-66 years (mean: 52.6). Fifteen patients had an active disease, 10 were cured by previous pituitary surgery. The same echocardiographic parameters were analyzed in 50 healthy subjects aged 30-70 years (mean: 51.4). Serum GH was determined on at least 4 samples drawn over 24 hours and plasma IGF-I on a single point. Standardized parameters of diastolic and systolic function were evaluated by real-time Doppler echocardiography. Twelve patients with active acromegaly underwent also 48-hour ECG registering. Left ventricular (LV) hypertrophy was found in 14/25 patients (56%). No difference was found between patients with active disease (53%) and patients with cured acromegaly (60%). LV mass index was significantly increased in acromegalics in comparison with healthy subjects (137 +/- 43 g/m2 vs 96 +/- 16 g/m2, p < 0.01) and also the indices of LV diastolic function were significantly impaired. Asymmetric septal hypertrophy was found only in one patient. Hypertension was detected in 9/25 patients (36%) without difference between patients with active or cured disease (40% vs 30%, NS). No significant correlation was found between hormonal or clinical data and echocardiographic findings. During Holter monitoring, heart rate of acromegalics was not significantly different from that of controls (78 +/- 12 bpm vs 72 +/- 10 bpm, NS) and only isolated supraventricular or ventricular premature complexes (Lown class 1) were detected. In conclusion, this study provides evidence of subclinical LV dysfunction in acromegaly in the absence of other known causes of heart disease and no significant difference in echocardiographic pattern was apparent between active or cured acromegalics.

journal_name

J Endocrinol Invest

journal_title

Journal of endocrinological investigation

authors

Terzolo M,Avonto L,Matrella C,Pozzi R,Luceri S,Borretta G,Pecchio F,Ugliengo G,Magro GP,Reimondo G

doi

10.1007/BF03349779

subject

Has Abstract,Author List Incomplete

pub_date

1995-09-01 00:00:00

pages

613-20

issue

eissn

0391-4097

issn

1720-8386

journal_volume

pub_type

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Doppler echocardiographic patterns in patients with acromegaly.