National Healthcare Quality and Disparities Report
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AHRQ Research Studies Date
Topics
- Access to Care (2)
- Adverse Events (2)
- Ambulatory Care and Surgery (2)
- Behavioral Health (2)
- Blood Clots (1)
- Cancer (1)
- Cardiovascular Conditions (4)
- Children/Adolescents (4)
- Clinician-Patient Communication (1)
- Comparative Effectiveness (1)
- Critical Care (2)
- Diabetes (1)
- Disparities (2)
- Elderly (5)
- Emergency Department (2)
- Healthcare-Associated Infections (HAIs) (2)
- Healthcare Cost and Utilization Project (HCUP) (5)
- Healthcare Costs (5)
- Health Information Technology (HIT) (1)
- Heart Disease and Health (4)
- Hospital Discharge (2)
- (-) Hospitalization (28)
- Hospital Readmissions (3)
- Human Immunodeficiency Virus (HIV) (1)
- Influenza (1)
- Injuries and Wounds (1)
- Inpatient Care (2)
- Long-Term Care (3)
- Medicaid (1)
- Medicare (1)
- Medication (1)
- Mortality (5)
- Newborns/Infants (1)
- Nursing Homes (1)
- Nutrition (1)
- Obesity (1)
- Outcomes (1)
- Patient-Centered Outcomes Research (1)
- Patient Safety (2)
- Prevention (1)
- Primary Care (2)
- Quality Indicators (QIs) (1)
- Quality of Care (3)
- Quality of Life (1)
- Racial and Ethnic Minorities (3)
- Risk (4)
- Sepsis (1)
- Stroke (1)
- Surgery (2)
- Teams (1)
- Vaccination (1)
AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
Results
1 to 25 of 28 Research Studies DisplayedBobb JF, Obermeyer Z, Wang Y
Cause-specific risk of hospital admission related to extreme heat in older adults.
The purpose of this study was to identify possible causes of hospital admissions during extreme heat events and to estimate their risks using historical data. The investigators found that among older adults, periods of extreme heat were associated with increased risk of hospitalization for fluid and electrolyte disorders, renal failure, urinary tract infection, septicemia, and heat stroke. They noted however, that the absolute risk increase was small and of uncertain clinical importance.
AHRQ-funded; HS021991.
Citation: Bobb JF, Obermeyer Z, Wang Y .
Cause-specific risk of hospital admission related to extreme heat in older adults.
JAMA 2014 Dec 24-31;312(24):2659-67. doi: 10.1001/jama.2014.15715..
Keywords: Elderly, Hospitalization, Risk
Aterburn D, Powers JD, Toh S
Comparative effectiveness of laparoscopic adjustable gastric banding vs laparoscopic gastric bypass.
A retrospective study of 7,457 patients undergoing laparoscopic bariatric surgery found that patients receiving gastric bypass experienced much greater weight loss than those receiving gastric banding but they had a higher risk of short-term complications and long-term subsequent hospitalizations. However, gastric bypass patients had a lower risk of long-term subsequent intervention procedures than did gastric banding patients.
AHRQ-funded; HS019912
Citation: Aterburn D, Powers JD, Toh S .
Comparative effectiveness of laparoscopic adjustable gastric banding vs laparoscopic gastric bypass.
JAMA Surg. 2014 Dec;149(12):1279-87. doi: 10.1001/jamasurg.2014.1674..
Keywords: Obesity, Surgery, Adverse Events, Patient Safety, Hospitalization
Sentell TL, Juarez DT, Ahn HJ
Disparities in diabetes-related preventable hospitalizations among working-age Native Hawaiians and Asians in Hawai'i.
Elderly (65+) Native Hawaiian, Filipino, and Japanese men and Filipino women have a higher risk of diabetes-related potentially preventable hospitalizations than whites. The authors sought to determine if similar disparities are seen among the non-elderly (< 65). They found that preventable hospitalizations rates were significantly higher for Native Hawaiians males compared to whites, but significantly lower for Chinese men and women, Japanese men and women, and Filipino men and women. Rates for Native Hawaiian females did not differ significantly from Whites. Disparities in diabetes-related preventable hospitalizations were seen for working-age (18-64) Native Hawaiian men even when their higher population-level diabetes prevalence was considered.
AHRQ-funded; HS019990.
Citation: Sentell TL, Juarez DT, Ahn HJ .
Disparities in diabetes-related preventable hospitalizations among working-age Native Hawaiians and Asians in Hawai'i.
Hawaii J Med Public Health 2014 Dec;73(12 Suppl 3):8-13.
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Keywords: Diabetes, Disparities, Hospitalization, Quality Indicators (QIs), Racial and Ethnic Minorities
Blecker S, Ladapo JA, Doran KM
Emergency department visits for heart failure and subsequent hospitalization or observation unit admission.
The purpose of this study was to examine trends in ED visits for heart failure and disposition following such visits. The investigators found that the number of ED visits for heart failure and the high proportion of ED visits with subsequent inpatient hospitalization have not changed in the last decade. They suggest that opportunities may exist to reduce hospitalizations by increasing short-term management of heart failure in the ED or observation unit.
AHRQ-funded; HS023683.
Citation: Blecker S, Ladapo JA, Doran KM .
Emergency department visits for heart failure and subsequent hospitalization or observation unit admission.
Am Heart J 2014 Dec;168(6):901-8.e1. doi: 10.1016/j.ahj.2014.08.002..
Keywords: Cardiovascular Conditions, Emergency Department, Heart Disease and Health, Hospitalization
Simeone RM, Oster ME, Cassell CH
AHRQ Author: Gray DT
Pediatric inpatient hospital resource use for congenital heart defects.
The authors sought to estimate healthcare costs for infants, children, and adolescents with congenital heart defects (CHDs). Using the 2009 Healthcare Cost and Utilization Project Kids' Inpatient Database (KID), they found that hospitalizations for children with CHDs have disproportionately high hospital costs compared with other pediatric hospitalizations, and the 17% of hospitalizations with critical CHD diagnoses accounted for 27% of CHD hospital costs.
AHRQ-authored.
Citation: Simeone RM, Oster ME, Cassell CH .
Pediatric inpatient hospital resource use for congenital heart defects.
Birth Defects Res A Clin Mol Teratol 2014 Dec;100(12):934-43. doi: 10.1002/bdra.23262.
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Keywords: Cardiovascular Conditions, Children/Adolescents, Healthcare Costs, Healthcare Cost and Utilization Project (HCUP), Hospitalization
Trudnak Fowler T, Fairbrother G, Owens P
AHRQ Author: Owens P
Trends in complicated newborn hospital stays & costs, 2002-2009: implications for the future.
The researchers used HCUP data to examine trends from 2002 through 2009 in complicated newborn hospital stays, and to explore the relationship between expected sources of payment and reasons for hospitalizations. They concluded that state Medicaid programs are paying for an increasing proportion of births and costly complicated births, and they suggested that policies to prevent common birth complications have the potential to reduce costs for public programs and improve birth outcomes.
AHRQ-authored.
Citation: Trudnak Fowler T, Fairbrother G, Owens P .
Trends in complicated newborn hospital stays & costs, 2002-2009: implications for the future.
Medicare Medicaid Res Rev 2014;4(4). doi: 10.5600/mmrr.004.04.a03.
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Keywords: Healthcare Costs, Healthcare Cost and Utilization Project (HCUP), Hospitalization, Newborns/Infants
Arvold ND, Wang Y, Zigler C
Hospitalization burden and survival among older glioblastoma patients.
The researchers performed a retrospective cohort study among patients aged 65 years and older with glioblastoma diagnosed between 1999 and 2007. They found that higher comorbidity score and black race were associated with an increased risk of being hospitalized for at least 25% of remaining life, whereas radiation, temozolomide, and extensive surgery were associated with a decreased risk.
AHRQ-funded; HS021991.
Citation: Arvold ND, Wang Y, Zigler C .
Hospitalization burden and survival among older glioblastoma patients.
Neuro Oncol 2014 Nov;16(11):1530-40. doi: 10.1093/neuonc/nou060.
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Keywords: Cancer, Elderly, Hospitalization, Mortality, Quality of Life
Cooke CR, Iwashyna TJ
Sepsis mandates: improving inpatient care while advancing quality improvement.
In light of improvements in the care of the acutely ill hospitalized patients and changes in the epidemiology of hospital care, the authors recommend new quality mandates focused on sepsis. These mandates should: (1) address the reality that sepsis is frequently underdiagnosed, (2) focus on catalyzing and aggregating local efforts for quality improvements, and (3) plan for a phased implementation, improving measures in select sites prior to national roll-out.
AHRQ-funded; HS020672
Citation: Cooke CR, Iwashyna TJ .
Sepsis mandates: improving inpatient care while advancing quality improvement.
JAMA. 2014 Oct 8;312(14):1397-8. doi: 10.1001/jama.2014.11350..
Keywords: Quality of Care, Hospitalization, Inpatient Care, Critical Care, Sepsis
Sentell T, Marten L, Ahn HJ
Disparities in hospitalizations among HIV positive individuals for native Hawaiians and Asians compared to whites in Hawaii.
This study investigated characteristics and disparities in hospitalizations among HIV positive individuals for Asian American subgroups and Native Hawaiians using data from all hospitalizations in Hawai‘i between December 2006 and December 2010. It concluded that disparities appear to exist in rates of hospitalizations among HIV positive individuals for Native Hawaiians and Asians, as well as in the demographic and, to some degree, the clinical characteristics of those hospitalized.
AHRQ-funded; HS019990.
Citation: Sentell T, Marten L, Ahn HJ .
Disparities in hospitalizations among HIV positive individuals for native Hawaiians and Asians compared to whites in Hawaii.
Hawaii J Med Public Health 2014 Oct;73(10):308-14..
Keywords: Hospitalization, Human Immunodeficiency Virus (HIV), Disparities, Racial and Ethnic Minorities, Patient-Centered Outcomes Research
Basu J
AHRQ Author: Basu J
Has access to care changed in minority communities? A study of preventable hospitalizations over time in selected States.
Basu assessed the changes in access to care in minority communities by examining the association between preventable hospitalization rates and racial/ethnic composition of the community during 1995-2005. Using HCUP data, the results indicated increases in barriers faced by minority adults in accessing primary care over time, with no similar evidence for the elderly subgroup.
AHRQ-authored.
Citation: Basu J .
Has access to care changed in minority communities? A study of preventable hospitalizations over time in selected States.
J Ambul Care Manage 2014 Oct-Dec;37(4):314-30. doi: 10.1097/jac.0000000000000024.
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Keywords: Access to Care, Healthcare Cost and Utilization Project (HCUP), Hospitalization, Primary Care, Racial and Ethnic Minorities
Chaudhry SI, Khan RF, Chen J
National trends in recurrent AMI hospitalizations 1 year after acute myocardial infarction in Medicare beneficiaries: 1999-2010.
The investigators evaluated changes in the incidence of 1-year recurrent acute myocardial infarction (AMI) hospitalization and mortality. In a national sample of Medicare beneficiaries hospitalized for AMI from 1999 to 2010, they found that hospitalization for recurrent AMI decreased, as did subsequent mortality, albeit to a lesser extent. The risk of recurrent AMI hospitalization declined less in black patients than in whites, increasing observed racial disparities by the end of the study period.
AHRQ-funded; HS018781.
Citation: Chaudhry SI, Khan RF, Chen J .
National trends in recurrent AMI hospitalizations 1 year after acute myocardial infarction in Medicare beneficiaries: 1999-2010.
J Am Heart Assoc 2014 Oct;3(5):e001197. doi: 10.1161/jaha.114.001197.
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Keywords: Hospitalization, Medicare, Mortality, Heart Disease and Health, Risk
Buys DR, Roth DL, Ritchie CS
Nutritional risk and body mass index predict hospitalization, nursing home admissions, and mortality in community-dwelling older adults: results from the UAB Study of Aging with 8.5 years of follow-up.
This study finds that nutritional risk was prospectively associated with all-cause and nonsurgical hospitalizations and with nursing home admission and mortality in unadjusted models. After adjusting for other risk factors, the association between high nutritional risk and all-cause and nonsurgical hospitalizations remained significant.
AHRQ-funded; HS013852
Citation: Buys DR, Roth DL, Ritchie CS .
Nutritional risk and body mass index predict hospitalization, nursing home admissions, and mortality in community-dwelling older adults: results from the UAB Study of Aging with 8.5 years of follow-up.
J Gerontol A Biol Sci Med Sci. 2014 Sep;69(9):1146-53. doi: 10.1093/gerona/glu024..
Keywords: Nutrition, Hospitalization, Elderly, Long-Term Care, Mortality
Trudnak T, Kelley D, Zerzan J
AHRQ Author: Jiang HJ
Medicaid admissions and readmissions: understanding the prevalence, payment, and most common diagnoses.
The authors characterized acute care hospital admissions and thirty-day readmissions in the Medicaid population through a retrospective analysis in nineteen states. They found that Medicaid readmissions were both prevalent and costly, and that they represented 12.5 percent of Medicaid payments for all hospitalizations, with the most prevalent diagnostic categories being mental and behavioral disorders and diagnoses related to pregnancy, childbirth, and their complications.
AHRQ-authored; AHRQ-funded; 29020090015C.
Citation: Trudnak T, Kelley D, Zerzan J .
Medicaid admissions and readmissions: understanding the prevalence, payment, and most common diagnoses.
Health Aff 2014 Aug;33(8):1337-44. doi: 10.1377/hlthaff.2013.0632.
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Keywords: Healthcare Costs, Hospitalization, Medicaid, Hospital Readmissions
Prey JE, Woollen J, Wilcox L
Patient engagement in the inpatient setting: a systematic review.
The purpose of this review article is to summarize the existing scientific literature regarding patient engagement during inpatient care. Its focus is on use of health information technology to increase patient engagement and self-efficacy in this setting. The authors conclude that there are considerable gaps in knowledge regarding patient engagement in the hospital and inconsistent use of terminology regarding patient engagement.
AHRQ-funded; HS21816; HS21393
Citation: Prey JE, Woollen J, Wilcox L .
Patient engagement in the inpatient setting: a systematic review.
J Am Med Inform Assoc. 2014 Jul-Aug;21(4):742-50. doi: 10.1136/amiajnl-2013-002141..
Keywords: Hospitalization, Clinician-Patient Communication, Health Information Technology (HIT)
Edelson DP, Yuen TC, Mancini ME
Hospital cardiac arrest resuscitation practice in the United States: a nationally representative survey.
The authors describe variance in in-hospital cardiac arrest (IHCA) resuscitation care among hospitals. Their survey of 100 hospitals found wide variability among hospitals and practices for resuscitation care in the U.S. with opportunities for improvement, for example, in training.
AHRQ-funded; HS020416
Citation: Edelson DP, Yuen TC, Mancini ME .
Hospital cardiac arrest resuscitation practice in the United States: a nationally representative survey.
J Hosp Med. 2014 Jun;9(6):353-7. doi: 10.1002/jhm.2174..
Keywords: Cardiovascular Conditions, Hospitalization, Quality of Care, Inpatient Care
Bates BE, Xie D, Kwong PL
One-year all-cause mortality after stroke: a prediction model.
Using data from Department of Veterans Affairs (VA) national databases, the researchers present and internally validate a 1-year all-cause mortality prediction index after hospitalization for acute stroke. They conclude that a simple index using readily available data that stratifies stroke patients at the time of discharge according to low, moderate, high, and highest likelihood of all-cause 1-year mortality is feasible.
AHRQ-funded; HS018540.
Citation: Bates BE, Xie D, Kwong PL .
One-year all-cause mortality after stroke: a prediction model.
PM R 2014 Jun;6(6):473-83. doi: 10.1016/j.pmrj.2013.11.006..
Keywords: Stroke, Mortality, Hospitalization
Aparasu RR, Chatterjee S, Chen H
Risk of hospitalization and use of first- versus second-generation antipsychotics among nursing home residents.
This study examined the risk of all-cause hospitalization among dual-eligible elderly nursing home residents who were using antipsychotic medications and found that, on average, there was a 58 percent increase in hospitalization risk after 20 days of using a first-generation drug.
AHRQ-funded; HS016920
Citation: Aparasu RR, Chatterjee S, Chen H .
Risk of hospitalization and use of first- versus second-generation antipsychotics among nursing home residents.
Psychiatr Serv. 2014 Jun;65(6):781-8. doi: 10.1176/appi.ps.201300093..
Keywords: Long-Term Care, Medication, Hospitalization, Elderly, Risk
Bardach NS, Coker TR, Zima BT
Common and costly hospitalizations for pediatric mental health disorders.
The objectives of this study were to describe pediatric mental health hospitalizations at general medical facilities admitting children nationally; to assess which pediatric mental health diagnoses are frequent and costly at these hospitals; and to examine whether the most frequent diagnoses are similar to those at free-standing children's hospitals. The investigators identified the child mental health inpatient diagnoses with the highest frequency and highest costs as depression, bipolar disorder, and psychosis, with substance abuse an important comorbid diagnosis.
AHRQ-funded; HS020506.
Citation: Bardach NS, Coker TR, Zima BT .
Common and costly hospitalizations for pediatric mental health disorders.
Pediatrics 2014 Apr;133(4):602-9. doi: 10.1542/peds.2013-3165..
Keywords: Children/Adolescents, Healthcare Costs, Hospitalization, Behavioral Health
Bardach NS, Coker TR, Zima BT
Common and costly hospitalizations for pediatric mental health disorders.
The objectives of this study were to describe pediatric mental health hospitalizations at general medical facilities admitting children nationally; to assess which pediatric mental health diagnoses are frequent and costly at these hospitals; and to examine whether the most frequent diagnoses are similar to those at free-standing children's hospitals. The investigators identified the child mental health inpatient diagnoses with the highest frequency and highest costs as depression, bipolar disorder, and psychosis, with substance abuse an important comorbid diagnosis.
AHRQ-funded; HS020506.
Citation: Bardach NS, Coker TR, Zima BT .
Common and costly hospitalizations for pediatric mental health disorders.
Pediatrics 2014 Apr;133(4):602-9. doi: 10.1542/peds.2013-3165..
Keywords: Children/Adolescents, Healthcare Costs, Hospitalization, Behavioral Health
Panozzo CA, Becker-Dreps S, Pate V
Direct, indirect, total, and overall effectiveness of the rotavirus vaccines for the prevention of gastroenteritis hospitalizations in privately insured US children, 2007-2010.
This study demonstrated how direct, indirect, total, and overall effectiveness estimates and absolute benefits of rotavirus vaccines vary through the years following vaccine introduction. It found that direct effectiveness of 1 or more doses of rotavirus vaccine in preventing rotavirus gastroenteritis hospitalizations ranged from 87 to 92 percent each year.
AHRQ-funded; HS017950
Citation: Panozzo CA, Becker-Dreps S, Pate V .
Direct, indirect, total, and overall effectiveness of the rotavirus vaccines for the prevention of gastroenteritis hospitalizations in privately insured US children, 2007-2010.
Am J Epidemiol. 2014 Apr 1;179(7):895-909. doi: 10.1093/aje/kwu001..
Keywords: Comparative Effectiveness, Vaccination, Children/Adolescents, Hospitalization
Streiff MB, Brady JP, Grant AM
AHRQ Author: Brady JP
CDC Grand Rounds: preventing hospital-associated venous thromboembolism.
Approximately half of new venous thromboembolism (VTE) cases occur during a hospital stay or within 90 days of an inpatient admission or surgical procedure, and many are not diagnosed until after discharge. Prevention of VTE can be complicated as physicians must balance the risk for thrombosis with the risk for bleeding from anticoagulants. A collaborative, team-based approach to care is needed for significant and sustained improvement, and it also offers efficiency and capacity to tackle other patient safety problems.
AHRQ-authored.
Citation: Streiff MB, Brady JP, Grant AM .
CDC Grand Rounds: preventing hospital-associated venous thromboembolism.
MMWR Morb Mortal Wkly Rep 2014 Mar 7;63(9):190-3.
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Keywords: Blood Clots, Healthcare-Associated Infections (HAIs), Hospitalization, Prevention, Teams
Patel RB, Mathur MB, Gould M
Demographic and clinical predictors of mortality from highly pathogenic avian influenza A (H5N1) virus infection: CART analysis of international cases.
The researchers for this international study sought to model individuals at highest risk of mortality from HPAI N5N1 virus infection in order to inform preventive and therapeutic interventions. They found that age, health expenditure, delay from symptom onset to hospitalization and country are significant predictors of mortality.
AHRQ-funded; HS019816
Citation: Patel RB, Mathur MB, Gould M .
Demographic and clinical predictors of mortality from highly pathogenic avian influenza A (H5N1) virus infection: CART analysis of international cases.
PLoS One. 2014 Mar 25;9(3):e91630. doi: 10.1371/journal.pone.0091630..
Keywords: Influenza, Mortality, Critical Care, Hospitalization, Risk
Owens PL, Barrett ML, Raetzman S
AHRQ Author: Owens PL, Steiner CA
Surgical site infections following ambulatory surgery procedures.
The authors determined the incidence of clinically significant surgical site infections (CS-SSIs) following low- to moderate-risk ambulatory surgery in patients with low risk for surgical complications. They found that among patients in 8 states undergoing ambulatory surgery, rates of postsurgical visits for CS-SSIs were low relative to all causes but may represent a substantial number of adverse outcomes in aggregate, thus meriting quality improvement efforts to minimize their occurrence.
AHRQ-authored; AHRQ-funded; 290201300002C.
Citation: Owens PL, Barrett ML, Raetzman S .
Surgical site infections following ambulatory surgery procedures.
JAMA 2014 Feb 19;311(7):709-16. doi: 10.1001/jama.2014.4.
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Keywords: Healthcare Cost and Utilization Project (HCUP), Healthcare-Associated Infections (HAIs), Injuries and Wounds, Ambulatory Care and Surgery, Surgery, Hospitalization, Patient Safety, Adverse Events
Carey K, Lin MY
Hospital length of stay and readmission: an early investigation.
This study is a retrospective examination of the association between length of stay in an index hospitalization and readmission within 7 days and within 30 days of discharge. It found negative associations between length of stay and readmission probability, particularly for heart attack patients; however, the magnitude of the effect was modest for heart attack.
AHRQ-funded; HS020995.
Citation: Carey K, Lin MY .
Hospital length of stay and readmission: an early investigation.
Med Care Res Rev 2014 Feb;71(1):99-111. doi: 10.1177/1077558713504998..
Keywords: Healthcare Cost and Utilization Project (HCUP), Heart Disease and Health, Hospital Readmissions, Hospitalization, Hospital Discharge
Mitchell SE, Gardiner PM, Sadikova E
Patient activation and 30-day post-discharge hospital utilization.
This study examining the role of patient activation in the rate of hospital readmission within 30 days of discharge found that adult medical patients in an urban academic safety net hospital with lower levels of patient activation had a higher rate of post-discharge 30-day hospital utilization.
AHRQ-funded; HS019771.
Citation: Mitchell SE, Gardiner PM, Sadikova E .
Patient activation and 30-day post-discharge hospital utilization.
J Gen Intern Med. 2014 Feb;29(2):349-55. doi: 10.1007/s11606-013-2647-2..
Keywords: Emergency Department, Hospital Discharge, Hospital Readmissions, Hospitalization