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Biomedical subjects

Daniel Stryer

Publications and source records attributed to Daniel Stryer.

At least 19 recordsLinked to original sources

Accidental iatrogenic pneumothorax in hospitalized patients.

OBJECTIVE: Iatrogenic pneumothorax (IP) is an inherent risk to patients who undergo procedures that involve the intentional puncturing of the lung. IP also could occur accidentally to patients who do not undergo such procedures; such accidental IP (AIP) is suggestive of lapses in safe care. This study assessed the risk for AIP in patients hospitalized with specific diagnoses who underwent specific procedures. RESEARCH DESIGN: We analyzed 7.5 million discharge abstracts from 994 short-term acute care hospitals across 28 states in 2000 in the Agency for Healthcare Research and Quality (AHRQ), Healthcare Cost and Utilization Project Nationwide Inpatient Sample. AHRQ Patient Safety Indicators (PSIs) were used to identify AIP. AIP incidences and associated diagnoses and procedures were explored. RESULTS: Patients who were admitted for pleurisy, cancer of the kidney and renal pelvis, or conduction disorders and complications of cardiac devices had the highest rates of developing AIP during hospitalization, with AIP rates at 2.24%, 1.14%, and 0.83% respectively. The procedure-specific rates for AIP varied from 2.68% for patients who underwent thoracentesis to 1.30% for those who underwent nephrectomy, to 0.06% for those who underwent gastrostomy. Thoracentesis appeared to be a high-risk procedure for patients who were admitted for secondary malignancies, pleurisy, or pneumonia, with AIP rates at 3.76%, 3.13%, and 2.28%, respectively. CONCLUSIONS: Although AIP is most common after thoracentesis, it is a substantial threat to patients undergoing a wide range of procedures.

Hospitals↗

Patients' safety.

Explore the source record for details and available documents.

Australia↗

From theory to practice: improving the impact of health services research.

BACKGROUND: While significant strides have been made in health research, the incorporation of research evidence into healthcare decision-making has been marginal. The purpose of this paper is to provide an overview of how the utility of health services research can be improved through the use of theory. Integrating theory into health services research can improve research methodology and encourage stronger collaboration with decision-makers. DISCUSSION: Recognizing the importance of theory calls for new expectations in the practice of health services research. These include: the formation of interdisciplinary research teams; broadening the training for those who will practice health services research; and supportive organizational conditions that promote collaboration between researchers and decision makers. Further, funding bodies can provide a significant role in guiding and supporting the use of theory in the practice of health services research. SUMMARY: Institutions and researchers should incorporate the use of theory if health services research is to fulfill its potential for improving the delivery of health care.

Administrative Personnel↗

Ambulatory care visits for treating adverse drug effects in the United States, 1995-2001.

BACKGROUND: Adverse d[rug events (ADEs) are a well-recognized patient safety 4concern, but their magnitude is unknown. Ambulatory viisits for treating adverse drug effects (VADEs) as recordeed in national surveys offer an alternative way to estimatte the national prevalence of ADEs because each VA]DE indicates that an ADE occurred and was seriousenough to require care. METHODS: A nationallyrepresentative sample of visits to physician offices, hospital outpatient departments, and emergency departments was analyzed. VADEs were identified as tthe first-listed cause of injury. RESULTS: In 2001, there Awere 4.3 million VADEs in the United States, averaging 15 visits per 1,000 population. VADE rates at physicianoffices, hospital outpatient departments, and hospittal emergency departments were at 3.7, 3.4, and 7.3 lper 1,000 visits, respectively. There was an upward tr'end in the total number of VADEs from 1995 to 2001 ((p < .05), but the increases in VADEs per 1000 visits an.d per 1,000 population were not statistically significant. VADEs were lower in children younger than 15 and higher in the elderly aged 65-74 than in adults aged 225-44 (p < .01) and were more frequent in females than irn males (p < .05). DISCUSSION: Although methodologically conservative, the study suggests that ADEs are a significant threat to patient safety in the United States.

Adolescent↗

The national healthcare quality and disparities reports: an overview.

BACKGROUND: Congress directed the Agency for Healthcare Research and Quality (AHRQ) to lead an effort for the US Department of Health and Human Services (DHHS) to develop 2 annual reports: a National Healthcare Quality Report (NHQR) and a National Healthcare Disparities Report (NHDR). OBJECTIVES: This article lays out key concepts, definitions, statistical methods, and findings from these first ever national reports on quality and disparities. We also summarize some possible future directions for the reports. RESEARCH DESIGN: The NHQR and NHDR rely on secondary analysis of available data from over 40 established, national databases. The NHQR presents data at the national level, by sociodemographic characteristics, and at the state level. The NHDR presents data broken out by race/ethnicity and by socioeconomic status. MEASURES: The 2003 NHQR presented data on approximately 140 quality measures and the NHDR presented data on these same measures plus approximately 100 measures of access to care. RESULTS: The reports found that high healthcare quality is not a given and that disparities are pervasive throughout the US healthcare system. In addition, they found the quality and disparities issues are particularly apparent in preventive care, but that greater improvement is possible. CONCLUSIONS: As these reports evolve for the 2004 version and beyond, they will be a vital step in the effort to improve healthcare quality for all populations in the United States.

Adult↗

Assessing patient safety in the United States: challenges and opportunities.

BACKGROUND: In 1999, the US Congress mandated the Agency for Healthcare Research and Quality (AHRQ), Department of Health and Human Services (DHHS), to report annually to the nation about healthcare quality. One chapter in the National Healthcare Quality Report (NHQR) is focused on patient safety. OBJECTIVES: The objectives of this study were to describe the challenges in reporting the national status on patient safety for the first NHQR and discuss emerging opportunities to improve the comprehensiveness and reliability of future reporting. RESEARCH DESIGN: This study is a selective review of definitions, frameworks, data sources, measures, and emerging developments for assessing patient safety in the United States. RESULTS: Available data and measures for patient safety assessment in the nation are inadequate, especially for comparing regions and subpopulations and for trend analysis. However, many opportunities are emerging from the recently increased investments in patient safety research and many ongoing safety improvement efforts in the private sector and at the federal, state, and local government levels. CONCLUSION: There are many challenges in assessing national performance on patient safety today. Ongoing developments on multiple fronts will provide data and measures for more accurate and more comprehensive assessments of patient safety for future NHQRs.

Annual Reports as Topic↗

Suboptimal prescribing in elderly outpatients: potentially harmful drug-drug and drug-disease combinations.

OBJECTIVES: To assess the prevalence and correlates of potentially harmful drug-drug combinations and drug-disease combinations prescribed for elderly patients at outpatient settings. DESIGN: Retrospective analysis of the 1995-2000 National Ambulatory Medical Care Survey (NAMCS) and the National Hospital Ambulatory Medical Care Survey (NHAMCS). SETTING: Physician offices and hospital outpatient departments. PARTICIPANTS: Outpatient visits by patients aged 65 and older in the NAMCS and NHAMCS (n=70,203). MEASUREMENTS: Incidences of six drug-drug combinations and 50 drug-disease combinations that can place elderly patients at risk for adverse events according to expert consensus panels. RESULTS: Overall, 0.74% (95% confidence interval (CI)=0.65-0.83) of visits with two or more prescriptions had at least one inappropriate drug-drug combination, and 2.58% (95% CI=2.44-2.72) of visits with at least one prescription had one or more inappropriate drug-disease combinations. Of visits with a prescription of warfarin, 6.60% (95% CI=5.46-7.74) were prescribed a drug with potentially harmful interaction. Of patients with benign prostatic hypertrophy, 4.06% (95% CI=3.06-5.06) had at least one of six drugs that should be avoided. The number of drugs prescribed is most predictive of inappropriate drug-drug and drug-disease combinations. CONCLUSION: Potentially harmful drug-drug and drug-disease combinations occur in various degrees in outpatient care in the elderly population. Targeting combinations such as those involving warfarin that are high in prevalence and potential harm offers a practical approach to improving prescribing and patient safety.

Aged↗

Racial/ethnic disparities in potentially preventable readmissions: the case of diabetes.

OBJECTIVES: Considerable differences in prevalence of diabetes and management of the disease exist among racial/ethnic groups. We examined the relationship between race/ethnicity and hospital readmissions for diabetes-related conditions. METHODS: Nonmaternal adult patients with Medicare, Medicaid, or private insurance coverage hospitalized for diabetes-related conditions in 5 states were identified from the 1999 State Inpatient Databases of the Healthcare Cost and Utilization Project. Racial/ethnic differences in the likelihood of readmission were estimated by logistic regression with adjustment for patient demographic, clinical, and socioeconomic characteristics and hospital attributes. RESULTS: The risk-adjusted likelihood of 180-day readmission was significantly lower for non-Hispanic Whites than for Hispanics across all 3 payers or for non-Hispanic Blacks among Medicare enrollees. Within each payer, Hispanics from low-income communities had the highest risk of readmission. Among Medicare beneficiaries, Blacks and Hispanics had higher percentages of readmission for acute complications and microvascular disease, while Whites had higher percentages of readmission for macrovascular conditions. CONCLUSIONS: Racial/ethnic disparities are more evident in 180-day than in 30-day readmission rates, and greatest among the Medicare population. Readmission diagnoses vary by race/ethnicity, with Blacks and Hispanics at higher risk for those complications more likely preventable with effective postdischarge care.

Adolescent↗

Multiple hospitalizations for patients with diabetes.

OBJECTIVE: To describe the extent to which hospitalizations for patients with diabetes reflect multiple stays by the same individuals and to examine how multiple hospitalizations vary by patient demographic and socioeconomic characteristics. RESEARCH DESIGN AND METHODS: Using the Healthcare Cost and Utilization Project complete discharge data for five states (California, Missouri, New York, Tennessee, and Virginia) in 1999, we identified 648,748 nonneonatal, nonmaternal patients who had one or more hospitalizations listing diabetes. Multiple hospitalizations were measured as percent of patients with multiple stays, percent of total stays represented by multiple stays, and average number of stays per patient. Total hospital costs were also examined. Stratified analysis and regression were performed to assess differences by age, sex, race/ethnicity, payer, location, and income. RESULTS: Among patients with diabetes who had been hospitalized, 30% had two or more stays accounting for >50% of total hospitalizations and hospital costs. Controlled for patient age, sex, and clinical characteristics, the likelihood of having multiple hospitalizations was higher for Hispanics and non-Hispanic blacks compared with non-Hispanic whites, as well as for patients covered by Medicare or Medicaid and those living in low-income areas. The prevalence of diabetes complications and multiple conditions differed by age, race/ethnicity, and payer among patients with multiple stays. CONCLUSIONS: Multiple hospitalizations are common among patients with diabetes but vary by age, race/ethnicity, payer, and income, with those populations traditionally considered to be more vulnerable experiencing higher likelihoods of multiple stays. Significant opportunities exist to reduce the proportion of multiple hospitalizations for patients with diabetes. Clinical and policy interventions to improve the quality of care and outcomes for these patients should be designed accordingly and have the potential to pay major dividends.

Adolescent↗

Translating research into practice: the future ahead.

OBJECTIVE: To summarize and analyze the focus and methodologies of the Translating Research into Practice (TRIP) projects funded in 1999-2000 by the US Agency for Healthcare Research and Quality (AHRQ). DATA SOURCES AND STUDY DESIGN: An analysis of the successful applications for the TRIP I and II requests for applications in 1999 and 2000 was produced from the data collected. DATA COLLECTION: The following items were abstracted from each of the successful applications: provider focus, patient population, vulnerable populations, methodologies, interventions for change, outcomes measured, and conceptual framework used. PRINCIPAL FINDINGS: AHRQ funded 27 TRIP grants in 1999 and 2000. A wide variety of health care providers, settings, and patients were the target of the grants. The most common study design was a randomized controlled trial. The most common TRIP interventions were educational and the most common frameworks were either adult learning theory or organizational theory. More than half of the projects planned to use information technology and half the projects had a focus on reducing errors. CONCLUSIONS: The TRIP projects encompass a broad range of providers, environments, patients, and interventions. The field of applied research and quality improvements should be considerably enhanced by these research projects.

Evidence-Based Medicine↗