Journal
EUROPEAN JOURNAL OF ENDOCRINOLOGY
Volume 159, Issue 4, Pages 363-367Publisher
BIO SCIENTIFICA LTD
DOI: 10.1530/EJE-08-0611
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The increased risk of cardiac valve disease in patients treated for Parkinson's disease with cabergoline has raised concerns about the safety of treatment with ergot-derived dopamine agonists in patients with endocrine diseases. especially prolactinoma. Six cross-sectional studies have been published recently, of which five studies do not show an association between the treatment of prolactinoma with cabergoline during 45-79 months and clinically relevant valvular regurgitation in a total of 413 patients. Nonetheless, concern is raised because the use of carbergoline was associated in one study with an increased prevalence of moderate tricuspid regurgitation, and in two other studies with mild tricuspid regurgitation. Furthermore, the use of carbergoline was associated with increased frequencies of valvular thickening, calcifications and increased mitral tenting area. At present, the clinical relevance of these findings is still uncertain, but concern is raised with respect to the safety of the use of cabergoline in the long-term treatment of prolactinomas. Echocardiographic evaluation should be considered in patients, who require long-term treatment with cabergoline, especially in high doses. There is a need for larger, preferably prospective, studies with careful echocardiographic assessment and with longer durations of follow-up the currently available studies.
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