NEW ORLEANS, Nov 11 (Reuters) - The blood pressure medicine Avapro, sold by Bristol-Myers Squibb Co (BMY.N: Quote, Profile, Research, Stock Buzz) and Sanofi-Aventis (SASY.PA: Quote, Profile, Research, Stock Buzz), was no better than usual care in treating a type of heart failure that primarily affects women and the elderly, according to results of a large study.