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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
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1 to 6 of 6 Research Studies DisplayedWu SS, Bellantoni m, Weiner JP
Geriatric syndrome risk factors among hospitalized postacute Medicare patients.
The purpose of this study was to assess the association of geriatric syndrome risk factors with postacute utilization among hospitalized Medicare patients (both Medicare Advantage [MA] and fee-for-service [FFS] cohorts) and to examine patterns of postacute care for MA and FFS cohorts with high geriatric syndrome risk. The investigators found that geriatric syndrome risk factors not only play a role in postacute care and inpatient utilization in MA and FFS cohorts but also explain different utilizations between MA and FFS cohorts.
AHRQ-funded; HS000029.
Citation: Wu SS, Bellantoni m, Weiner JP .
Geriatric syndrome risk factors among hospitalized postacute Medicare patients.
Am J Manag Care 2020 Oct;26(10):e319-e26. doi: 10.37765/ajmc.2020.88505..
Keywords: Healthcare Cost and Utilization Project (HCUP), Elderly, Medicare, Risk, Healthcare Utilization, Hospitalization
Khera R, Kondamudi N, Zhong L
Temporal trends in heart failure incidence among Medicare
This retrospective, national cohort study looked at temporal trends in heart failure (HF) incidence among Medicare beneficiaries from 2011 to 2016. There had been a decline in claims during that time period. Five percent of all fee-for-service Medicare beneficiaries with no prior HF diagnosis were followed up from 2011-2016. Annual trends were examined in HF incidence among groups with and without primary HF risk factors (hypertension, diabetes, and obesity) and predisposing cardiovascular conditions (acute myocardial infarction (MI) and atrial fibrillation (AF). Of the approximately 1.8 million Medicare beneficiaries at risk for HF, 249,832 had a new diagnosis of HF. The prevalence of all 5 risk factors had increased during the 5-year study period. There was a relative decline in HF incidence among beneficiaries with primary HF risk factors, but incidence increased among individuals with acute MI and AF.
AHRQ-funded; HS022418.
Citation: Khera R, Kondamudi N, Zhong L .
Temporal trends in heart failure incidence among Medicare
JAMA Netw Open 2020 Oct;3(10):e2022190. doi: 10.1001/jamanetworkopen.2020.22190.
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Keywords: Heart Disease and Health, Cardiovascular Conditions, Medicare, Risk, Elderly, Mortality
Hoffman GJ, Tinetti ME, Ha J
Prehospital and posthospital fall injuries in older US adults.
Investigators estimated the risk of older adult fall injury within and across discrete periods during a 12-month care episode anchored by an acute hospitalization using national data from 2006 to 2014. Participants in this cohort study included Medicare fee-for-service beneficiaries aged 65 and older from the Health and Retirement Study. The investigators found that an episode-based assessment of fall injury illustrated substantial variability in period-specific risks over an extended period including an anchor hospitalization. Risk transitions between periods included sizable increases just before hospitalization that do not fully subside after hospital discharge. Financial incentives to coordinate hospital and posthospital care for patients at risk for fall injury are needed.
AHRQ-funded; HS025838.
Citation: Hoffman GJ, Tinetti ME, Ha J .
Prehospital and posthospital fall injuries in older US adults.
JAMA Netw Open 2020 Aug 3;3(8):e2013243. doi: 10.1001/jamanetworkopen.2020.13243..
Keywords: Elderly, Falls, Injuries and Wounds, Risk, Hospitalization, Medicare
Wu S, Mulcahy J, Kasper JD
Comparing survey-based frailty assessment to Medicare claims in predicting health outcomes and utilization in Medicare beneficiaries.
The purpose of this study was to assess two models for the prediction of health utilization and functions using standardized in-person assessments of frailty and administrative claims-based geriatric risk measures among Medicare fee-for-service beneficiaries aged 65 years and above. Outcomes of hospitalizations, death, and functional help were investigated for participants in the 2011 National Health and Aging Trends Study.
AHRQ-funded; HS000029.
Citation: Wu S, Mulcahy J, Kasper JD .
Comparing survey-based frailty assessment to Medicare claims in predicting health outcomes and utilization in Medicare beneficiaries.
J Aging Health 2020 Aug-Sep;32(7-8):764-77. doi: 10.1177/0898264319851995..
Keywords: Elderly, Medicare, Healthcare Utilization, Risk
Kundi H, Popma JJ, Valsdottir LR
The value of claims-based nontraditional risk factors in predicting long-term mortality after MitraClip procedure.
The goals of this study were to identify nontraditional risk factors coded in administrative claims data and to evaluate their ability to improve prediction of long-term mortality in patients undergoing percutaneous mitral valve repair. Patients undergoing transcatheter mitral valve repair using MitraClip implantation were identified among Medicare fee-for-service beneficiaries; researchers used nested Cox regression models to identify claims codes predictive of long-term mortality. Four groups of variables were introduced: cardiac, noncardiac, and nontraditional risk factors, and presentation characteristics. The authors conclude that risk-prediction models, which include nontraditional risk factors as identified in claims data, can be used to predict long-term mortality risk more accurately in patients who have undergone MitraClip procedures.
AHRQ-funded; HS024520.
Citation: Kundi H, Popma JJ, Valsdottir LR .
The value of claims-based nontraditional risk factors in predicting long-term mortality after MitraClip procedure.
Can J Cardiol 2018 Dec;34(12):1648-54. doi: 10.1016/j.cjca.2018.10.002..
Keywords: Cardiovascular Conditions, Elderly, Mortality, Heart Disease and Health, Medicare, Risk, Surgery
Randolph AC, Lin YL, Volpi E
Tricyclic antidepressant and/or gamma-aminobutyric acid-analog use is associated with fall risk in diabetic peripheral neuropathy.
This study invested whether tricyclic antidepressant and/or gamma-aminobutyric acid-analog (TCA/GABA) use is associated fall risk in older diabetic peripheral neuropathy (DPN) patients. A nationally representative 5% Medicare sample between the years 2008 and 2010 were used, and 5,550 patients with TCA/GABA prescriptions were compared to 22,200 patients without a TCA/GABA prescription. Patients were followed until there was an incidence of a fall or first incidence of a fracture during the follow-up period of up to 5 years. After covariate adjustment, there was a statistically significant increase in falls and fractures for patients using TCAs or GABA-analogs.
AHRQ-funded; HS020642.
Citation: Randolph AC, Lin YL, Volpi E .
Tricyclic antidepressant and/or gamma-aminobutyric acid-analog use is associated with fall risk in diabetic peripheral neuropathy.
J Am Geriatr Soc 2019 Jun;67(6):1174-81. doi: 10.1111/jgs.15779..
Keywords: Medication, Diabetes, Elderly, Falls, Injuries and Wounds, Medicare, Risk