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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Effects of low-dose adrenomedullin on cardiac function and systemic haemodynamics in man.

The cardiovascular effects of low-dose adrenomedullin ( ADM, 1, 2 and 3 pmol kg-1 min-1 for 30 min each) were evaluated in six healthy subjects in a placebo controlled, cross-over study by determining cardiac volumes, systolic and diastolic function (echocardiography) and systemic haemodynamics before, during and after ADM or placebo. High-resolution ultrasound was used to evaluate changes in carotid artery distension. ADM caused a +85% increment in its plasma levels and significantly increased plasma cyclic adenyl monophosphate (cAMP). Compared with placebo, ADM induced significant decrements in left ventricular (LV) systolic diameter and systemic vascular resistance, and increments in LV posterior wall thickening, ejection fraction and cardiac index. Right and left atrial emptying fraction and carotid artery distention increased. LV diastolic function, heart rate, and plasma renin activity did not change, whereas packed cell volume increased. These results indicate that ADM influences cardiovascular function and systemic haemodynamics at physiological plasma levels in man mainly because of its vasodilating activity, leading to reduced afterload.[1]

References

  1. Effects of low-dose adrenomedullin on cardiac function and systemic haemodynamics in man. Del Bene, R., Lazzeri, C., Barletta, G., Vecchiarino, S., Guerra, C.T., Franchi, F., La Villa, G. Clinical physiology (Oxford, England) (2000) [Pubmed]
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