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Clinical Trial Summary

Rationale:

Severe asymptomatic organic Mitral Valve (MV) regurgitation with preserved left ventricular (LV) function is a challenging clinical entity as data on the recommended treatment strategy for these patients are scarce and conflicting, which is reflected in current guidelines. European guidelines advocate a more conservative strategy i.e. watchful waiting, with yearly echocardiography, whilst American guidelines are more in favour of early surgery to reconstruct the MV, i.e. MV repair (in contrast to MV replacement) in order to prevent future LV dysfunction and complaints.

A number of non-randomised trials show a favourable outcome of early surgery: in the study of Enriquez-Sarano et al. for instance, the early surgery strategy has shown to be associated with improved long-term survival, decreased cardiac mortality, and decreased morbidity compared with the conservative management [1]. On the other hand, non-randomised trials describe also that a conservative strategy (i.e. watchful waiting) can be safely accomplished. If facilitated surgery is performed in this population (50% at 10 years follow-up according to Rosenhek et al [2]), it has proven to be eventually associated with good perioperative and postoperative outcome when careful follow-up is being carried out [2].

Objective:

To compare early MV repair versus watchful waiting in asymptomatic patients with severe organic mitral valve regurgitation and preserved left ventricular function.

Study design:

Multicenter, registry trial.

Study population:

250 Asymptomatic patients (18-75 years old) with severe organic MV regurgitation and preserved left ventricular function. The current European Society of Cardiology (ESC) guidelines on Valvular Heart Disease will be applied [3]. These guidelines are also used in the Netherlands. Accordingly, patients with an indication for MV surgery will not be included.

Intervention:

Intervention will be early MV repair compared to a watchful waiting strategy.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03975998
Study type Observational [Patient Registry]
Source UMC Utrecht
Contact
Status Recruiting
Phase
Start date October 2016
Completion date October 2031

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