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  • Title: Relation of patient age to outcome of percutaneous mitral valvuloplasty.
    Author: Ramondo A, Napodano M, Fraccaro C, Razzolini R, Tarantini G, Iliceto S.
    Journal: Am J Cardiol; 2006 Dec 01; 98(11):1493-500. PubMed ID: 17126657.
    Abstract:
    The aim of this study was to evaluate the impact of age on immediate- and long-term outcomes of percutaneous mitral balloon valvuloplasty (PMV). PMV is the first-line treatment for patients with symptomatic mitral stenosis. However, long-term results in large series of patients from Europe and the United States have been found less favorable than those from Asia and South America involving younger patients. Six hundred ten patients who underwent 626 PMV procedures were prospectively followed for 6.1 +/- 4.10 years using clinical and echocardiographic evaluation. Patients were divided in quartiles according to age: < or =41 years (n = 163), 42 to 53 years (n = 163), 54 to 63 years (n = 142), and >63 years (n = 158). The success of PMV was defined as valve area > or =1.5 cm(2) without severe regurgitation; restenosis was defined as a loss > or =50% of initial gain, with a valve area of <1.5 cm(2). PMV success was significantly more prevalent in younger patients: 95.7% in group 1, 91.4% in group 2, 86.4% in group 3, and 83.4% in group 4 (p = 0.002). No significant differences in complications were found among all age groups, including death, cardiac tamponade, emergency mitral replacement, and any embolic events (p = NS). Event-free survival was greater in younger patients (p <0.0001), but on multivariate analysis, age was not an independent predictor of events (p = NS). Restenosis occurred in 27.9% of patients, throughout all groups (p = NS). In conclusion, PMV may be safely and effectively performed in younger and older patients. Although event-free survival was greater in younger groups, multivariate analysis did not find that age was an independent predictor of events.
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