South Sacramento Medical Center and Roseville Medical Center have been named 2011 Leapfrog Top Hospitals, an honor that rewards hospitals for outstanding success in such areas as using electronic health records to reduce medication and other errors, lowering infection rates, maintaining appropriate physician and nursing staffing, and other measures of safety and efficiency. A total of 10 Kaiser Permanente hospitals in Northern California, and eight in Southern California, received the honor Tuesday, which means that 18 of this year’s 65 Top Hospitals in the U.S. are Kaiser Permanente facilities in California. They were chosen from a field of nearly 1,200 hospitals around the country surve