Friday, August 14, 2009

Why is health care so hazardous? What needs to be done to improve safety?


Statement of Lucian Leape, M.D.
Member, Quality of Health Care in America Committee
Institute of Medicine
Adjunct Professor, Harvard School of Public Health

Concerning Patient Safety and Medical Errors

Before the
United States Senate
Subcommittee on Labor, Health and Human Services, and Education

January 25, 2000

"Good morning, Mr. Chairman and Senator Kennedy, and members of the committee. My name is Lucian Leape and I am a faculty member at the Harvard School of Public Health. I practiced as a pediatric surgeon for much of my career, but in recent years have focused my attention on research into medical errors. I am here today representing the Institute of Medicine's Committee on the Quality of Health Care in America which recently released the report To Err is Human: Building a Safer Health System.

In my testimony today, I will address two questions: 1) Why is health care so hazardous? 2) What needs to be done to improve safety?

Why is health care so hazardous?

Findings from several studies of large numbers of hospitalized patients indicate that each year a million or more people are injured and as many as 100,000 die as a result of errors in their care. This makes medical care one of the leading causes of death, accounting for more lost lives than automobile accidents, breast cancer or AIDS. While these findings are not new, and some hospitals have improved their error reduction activities, clearly a much greater effort is needed to make health care safe.

No physician or nurse wants to hurt patients, and doctors, nurses, and other health workers are highly trained to be careful and take precautions to prevent mistakes. They are held and hold themselves to high standards. Paradoxically, it is precisely this exclusive focus on the individual's responsibility not to make mistakes, reinforced by punishment, that makes health care so unsafe.

The reason is that errors are seldom due to carelessness or lack of trying hard enough. More commonly, errors are caused by faulty systems, processes and conditions that lead people to make mistakes. They can be prevented by designing systems that make it hard for people to do something wrong and easy to do it right. Safe industries, such as aviation, chemical manufacturing, and nuclear power, learned this lesson long ago. While insisting on training and high standards of performance, they recognize these are insufficient to insure safety. They also pay attention to factors that affect performance, such as hours and work loads, work conditions, team relationships, and the design of tasks to make errors difficult to make. They create safety by design. Health care must do likewise.

Approaches that focus on punishing individuals instead of changing systems provide strong incentives for people to report only those errors they cannot hide. Thus, a punitive approach shuts off the information that is needed to identify faulty systems and create safer ones. In a punitive system, no one learns from their mistakes."



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