Health Policy Update

Every other week, theWeekly highlights recent research on health care finance, access to care and other topics. This edition of the Health Policy Update includes research on:

• Medicare's new reimbursement policy for procedures involving preventable errors;
• The link between emergency department overcrowding and poor treatment;
• The effectiveness of Web-based patient portals for diabetics; and
• Disparities among urban and rural populations for kidney, liver and heart transplants.