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PROLOGUEResearch To Address Quality ShortcomingsPROLOGUE: Despite anecdotal evidence to the contrary, some recent reports have indicated that quality of care in U.S. hospitals is improving. This surely is good news. But how exactly is quality of care measured? The Institute of Medicines (IOMs) To Err Is Human, released in 1999, and Crossing the Quality Chasm, in 2001, focused national attention on preventable medical errors and highlighted patient safety as an important goal for our health care system. In response to the first IOM report, Congress charged the Agency for Healthcare Research and Quality (AHRQ) with reducing errors in medicine by (1) identifying the causes of preventable errors and patient injury; (2) developing, demonstrating, and evaluating strategies for reducing errors and improving patient safety; and (3) disseminating effective strategies throughout the health care industry. The papers that follow each take up a part of that charge. Joel Cohen and Nancy Krauss take a new look at identifying the priority conditions that require health care and the cost of and sources of payment for that care. One reason why a small proportion of the population accounts for a disproportionate share of medical expenditures is that most people with one of the top fifteen conditions also have other illnesses that require care, and therefore spending. Although chronic diseases were among the most expensive, acute conditions also generated high levels of spending, thus complicating efforts to find easy targets for spending reductions and improvement. Sam Zuvekas and Gregg Taliaferro look at the quality issue from the front door, so to speak, examining who gets in to see the doctor and who doesnt. They find that disparities in access and use persist among all racial/ethnic minority groups but are greatest among Hispanics, even when covered by private insurance. Next, Patrick Romano and colleagues introduce AHRQs new Patient Safety Indicators, red flags to the quality seeker, and apply them to administrative records of more than thirty-six million hospitalizations. Although they identify a distressing number of potential safety-related events or errors, the trend over the study period indicates that some errors are diminishing. However, others remain stubbornly prevalent, and yet others have increased. Finally, Anne Elixhauser, Claudia Steiner, and Irene Fraser produce administrative evidence to support decisions to seek out high-volume hospitals for complex surgical procedures. Their findings include baseline estimates of the number of hospitals that can be labeled high- or low-volume and the number of procedures performed in each. But they also look beyond the numbers to identify these hospitals staffing and other characteristics that might contribute to their surgical successes.
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