CHICAGO — Although Hispanics are grossly underrepresented in heart failure trials, emerging evidence suggests they have unique risk factors and heart failure outcomes that must be taken into clinical consideration. The evidence also underscores the importance of recognizing the vast heterogeneity of Hispanics, Dr. Ileana Piña said at a meeting sponsored by the International Society on Hypertension in Blacks. “Hispanics represent a cultural group, not a racially identifiable group,” said the Cuban-born cardiologist. “You can't lump them all together.” But that's exactly what has happened. Until the Medicare enrollment files were changed in 1994, Hispanics or Native Americans were simply...