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Revista chilena de cardiología

versión On-line ISSN 0718-8560

Resumen

IBANEZ, Rodrigo et al. Left ventricular ejection fraction and improvement of physical capacity with a cardiac rehabilitation program. Rev Chil Cardiol [online]. 2010, vol.29, n.2, pp.187-192. ISSN 0718-8560.  http://dx.doi.org/10.4067/S0718-85602010000200003.

Background: During phase II cardiac rehabilitation programs (RP) or immediately after discharge requires monitorization with wireless telemetry, due to higher risk during this phase. RP are known to increase physical capacity which can be documented by the 6 min walk test (6minWT). Few studies relating improvement in physical capacity to LVEF have been reported in Chile. Aim: to evaluate changes in physical capacity induced by a phase II RPin relation to previous LVEF Methods: We included patients who completed a Phase II RP from March 2006 to August 2009. 12 or 24 sessions 3 times a week were performed following recommendations from the America Association of Cardiopulmonary rehabilitation. Two 6mWT were performed before and one after rehabilitation. For comparison, the highest measurement in pre RP was used. LVEF was determined by echocardiography before initiation of the RP Results: 489 patients completed the RP, 76% of them males. The mean age was 59.5 ± 14.1 years. 115 patients had a moderate or high risk A highly significant (p<0.01) improvement in physical capacity was observed (98.9%). The subgroup with LVEF<30%, which included 1.3% of patients also had an improvement in physical capacity (p<0.05). Conclusion: phase II RP achieve significant improvements in physical capacity, including patients with severely depressed LVEF.

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