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Orban, Mathias; Braun, D.; Orban, Martin; Gross, L.; Näbauer, M.; Hagl, C. M.; Massberg, S.; Hausleiter, J. (2016): Established interventions for mitral valve regurgitation Current evidence. In: Herz, Vol. 41, No. 1: pp. 19-25
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Severe mitral regurgitation (MR) is a growing medical challenge in today's aging population, leading to increased health expenditure due to the resultant morbidity and mortality. Surgery, either replacement or repair, has been the mainstay of therapy for primary MR. In high-risk or inoperable patients, treatment was limited to medical therapy until 2008. Since then, alternative percutaneous therapies have been introduced and have proven to be safe and effective in patients with secondary MR. Edge-to-edge repair with the MitraClip system is applied worldwide for primary and secondary MR. Randomized data do not support its application in low-risk patients with primary MR. Results from ongoing and future randomized trials will clarify its impact on important clinical endpoints in high-risk and inoperable patients. The Carillon device is a percutaneous indirect annuloplasty technique introduced in 2009 for secondary MR. Clinical data for the novel Cardioband system, using a different intra-atrial annuloplasty technique, have been gathered from more than 40 patients and the system recently received CE mark approval. Other percutaneous repair devices and implantable valves are under development and may be introduced into clinical practice soon. The percutaneous interventional therapy of MR is a highly dynamic field of cardiovascular medicine and has the potential to improve quality of life as well as morbidity and mortality in selected patients.