National Healthcare Quality and Disparities Report
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Topics
- Blood Pressure (2)
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- Diagnostic Safety and Quality (1)
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- Registries (2)
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- (-) Stroke (27)
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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.
Results
1 to 25 of 27 Research Studies DisplayedDerington CG, Goodrich GK, Xu S
Association of direct oral anticoagulation management strategies with clinical outcomes for adults with atrial fibrillation.
This study investigated the impact of an anticoagulation management service (AMS) on clinical outcomes of adults with atrial fibrillation (AF). This retrospective cohort study was conducted in 3 Kaiser Permanente regions, with each region taking a slightly different approach to direct oral anticoagulant (DOAC) care. These approaches included (1) usual care (UC) by the prescribing clinician, (2) UC plus an automated population management tool (PMT), or (3) pharmacist-managed AMS care. The study included 44,746 adults with a diagnosis of AF who initiated DOAC or warfarin between August 2016 and January 1, 2020, 6182 in the UC model, 33,624 in the UC plus PMT care model, and 4939 in the AMS care model. Baseline characteristics (mean age, 73.1 years, 56.1% male, 67.2% non-Hispanic White, median CHA2DS2-VASc [congestive heart failure, hypertension, age ≥75 years, diabetes, stroke, vascular disease, age 65-74 years, female sex] score of 3 [IQR, 2-5]) were well balanced after inverse probability of treatment weighting (IPTW). The cohort was followed over a median of 2 years, and patients who received the UC plus PMT or AMS care model did not have significantly better outcomes than those who received only UC.
AHRQ-funded; HS026156.
Citation: Derington CG, Goodrich GK, Xu S .
Association of direct oral anticoagulation management strategies with clinical outcomes for adults with atrial fibrillation.
JAMA Netw Open 2023 Jul; 6(7):e2321971. doi: 10.1001/jamanetworkopen.2023.21971..
Keywords: Heart Disease and Health, Cardiovascular Conditions, Blood Thinners, Medication, Outcomes, Stroke
Wang SX, Marcaccio CL, Patel PB
Distal embolic protection use during transfemoral carotid artery stenting is associated with improved in-hospital outcomes.
Researchers sought to assess in-hospital outcomes in patients who had undergone transfemoral carotid artery stenting (tfCAS) with and without embolic protection using a distal filter. Patients undergoing tfCAS were identified in the Vascular Quality Initiative and those who received proximal embolic balloon protection were excluded. Outcomes of interest were stroke, death, composite stroke/death, myocardial infarction, transient ischemic attack, and hyperperfusion syndrome. Results indicated that tfCAS performed without attempted distal embolic protection was associated with higher risk of in-hospital stroke and death; tfCAS after a failed attempt at filter placement had equivalent stroke/death to patients with no filter attempted, but higher risk of stroke/death compared with those with successfully placed filters. The researchers concluded that these findings support current Society for Vascular Surgery guidelines and, if a filter cannot be safely placed, alternative approaches to carotid revascularization should be considered.
AHRQ-funded; HS027285.
Citation: Wang SX, Marcaccio CL, Patel PB .
Distal embolic protection use during transfemoral carotid artery stenting is associated with improved in-hospital outcomes.
J Vasc Surg 2023 Jun; 77(6):1710-19.e6. doi: 10.1016/j.jvs.2023.01.210..
Keywords: Cardiovascular Conditions, Outcomes, Stroke
Anjorin AC, Marcaccio CL, Rastogi V
Statin therapy is associated with improved perioperative outcomes and long-term mortality following carotid revascularization in the Vascular Quality Initiative.
This study evaluated the outcomes of carotid artery stenosis (CAS) patients using statin therapy before undergoing carotid revascularization in the Vascular Quality Initiative registry. The authors identified all patients who underwent carotid endarterectomy (CEA), transfemoral carotid artery stenting (tfCAS), or transcarotid artery revascularization (TCAR) in the Vascular Quality Initiative registry from January 2016 to September 2021. Compared with statin use, no statin use was associated with a higher risk of in-hospital stroke or death and 5-year mortality among CEA and tfCAS patients, although there was no significant difference in outcomes among TCAR patients.
AHRQ-funded; HS027285.
Citation: Anjorin AC, Marcaccio CL, Rastogi V .
Statin therapy is associated with improved perioperative outcomes and long-term mortality following carotid revascularization in the Vascular Quality Initiative.
J Vasc Surg 2023 Jan;77(1):158-69.e8. doi: 10.1016/j.jvs.2022.08.019..
Keywords: Cardiovascular Conditions, Medication, Stroke, Surgery, Outcomes
Marcaccio CL, Anjorin A, Patel PB
In-hospital outcomes after upper extremity versus transfemoral and transcarotid access for carotid stenting in the Vascular Quality Initiative.
This comparative study examined outcomes for treatment of patients at high risk of carotid endarterectomy using different approaches of carotid artery stenting (CAS). The study compared the effects of transradial or transbrachial (tr/tbCAS) versus more established transfemoral (tfCAS) or transcarotid (TCAR) CAS procedures. Patients were identified from the Quality Initiative registry from January 2016 to December 2021. Among 40,835 CAS identified patients, 962 underwent tr/tbCAS, 28,850 underwent tfCAS, and 21,033 underwent TCAR. Among matched patients who underwent tr/tbCAS versus tfCAS, there was no significant difference in the risk of stroke/death (4.1% vs 2.9), but tr/tbCAS was associated with a higher risk of death (2.4% vs 1.3). In the symptomatic subgroup, tr/tbCAS was associated with a higher risk of stroke/death (6.1% vs 3.9%) and death (3.6% vs 1.7%), but there were no differences in asymptomatic patients. After adjustment for Modified Rankin Scale in patients with preoperative stroke, there were no significant differences in stroke/death or death between groups.
AHRQ-funded; HS027285.
Citation: Marcaccio CL, Anjorin A, Patel PB .
In-hospital outcomes after upper extremity versus transfemoral and transcarotid access for carotid stenting in the Vascular Quality Initiative.
J Vasc Surg 2022 Dec;76(6):1603-14.e7. doi: 10.1016/j.jvs.2022.05.030..
Keywords: Stroke, Cardiovascular Conditions, Outcomes, Evidence-Based Practice, Comparative Effectiveness, Patient-Centered Outcomes Research
Solomon Y, Rastogi V, Marcaccio CL
Outcomes after transcarotid artery revascularization stratified by preprocedural symptom status.
In this study, researchers examined contemporary perioperative outcomes in patients who underwent transcarotid artery revascularization (TCAR) stratified by specific preprocedural symptom status. Using data from the Vascular Quality Initiative, they found that, after TCAR, compared with asymptomatic status, a recent stroke and a recent hemispheric TIA were associated with higher stroke/death rates, whereas a recent ocular TIA was associated with similar stroke/death rates. In addition, a formerly symptomatic status was associated with higher stroke/death rates compared with an asymptomatic status. The researchers concluded that their findings suggested that classifying patients undergoing TCAR as symptomatic versus asymptomatic may be an oversimplification and that patients' specific preoperative neurologic symptoms should instead be used in risk assessment and outcome reporting for TCAR.
AHRQ-funded; HS027285.
Citation: Solomon Y, Rastogi V, Marcaccio CL .
Outcomes after transcarotid artery revascularization stratified by preprocedural symptom status.
J Vasc Surg 2022 Nov;76(5):1307-15.e1. doi: 10.1016/j.jvs.2022.05.024..
Keywords: Cardiovascular Conditions, Surgery, Stroke, Outcomes
Zachrison KS, Schwamm LH, Xu H
Frequency, characteristics, and outcomes of endovascular thrombectomy in patients with stroke beyond 6 hours of onset in US clinical practice.
In 2018, 2 randomized controlled trials showed the benefit of endovascular thrombectomy (EVT) in acute ischemic stroke patients treated 6 to 24 hours from last known well using imaging-guided selection. However, little is known about outcomes in contemporary nontrial settings. In this study, the investigators assessed the frequency of EVT and outcomes beyond 6 hours in the US Get With The Guidelines-Stroke clinical registry.
AHRQ-funded; HS024561.
Citation: Zachrison KS, Schwamm LH, Xu H .
Frequency, characteristics, and outcomes of endovascular thrombectomy in patients with stroke beyond 6 hours of onset in US clinical practice.
Stroke 2021 Dec;52(12):3805-14. doi: 10.1161/strokeaha.121.034069..
Keywords: Stroke, Cardiovascular Conditions, Surgery, Outcomes
Bayliss WS, Bushnell CD, Halladay JR
The cost of implementing and sustaining the COMprehensive Post-Acute Stroke Services model.
This study compares the outcomes of using the COMprehensive Post-Acute Stroke Services (COMPASS) model, a transitional care intervention for stroke patients discharged to home against status quo postacute stroke care in a cluster-randomized trial in 40 hospitals in North Carolina. Hospital-level costs associated with implementing and sustaining COMPASS were examined during a 1-year period. Out of 40 hospitals, 22 hospitals were actively engaged in COMPASS. A 10% higher stroke patient volume was associated with 5.1% lower COMPASS costs per patient. About half of hospitals (N = 10) reported postacute clinic visits as their highest cost activity, while 7 hospitals reported case ascertainment as their highest cost activity. The authors estimated that based on average costs of COMPASS and readmissions, COMPASS could lower net costs if the model can prevent about 6 readmissions per year.
AHRQ-funded; HS025723.
Citation: Bayliss WS, Bushnell CD, Halladay JR .
The cost of implementing and sustaining the COMprehensive Post-Acute Stroke Services model.
Med Care 2021 Feb;59(2):163-68. doi: 10.1097/mlr.0000000000001462..
Keywords: Stroke, Cardiovascular Conditions, Healthcare Costs, Outcomes, Patient-Centered Outcomes Research, Evidence-Based Practice
Su CM, Warren A, Kraus C
Lack of racial and ethnic-based differences in acute care delivery in intracerebral hemorrhage.
Int J Emerg Med 2021 Jan 19;14(1):6. doi: 10.1186/s12245-021-00329-w.
Early diagnosis and treatment of intracerebral hemorrhage (ICH) is thought to be critical for improving outcomes. In this study the investigators examined whether racial or ethnic disparities existed in acute care processes in the first hours after ICH. The investigators found no evidence of racial/ethnic disparities in acute care processes or outcomes in ICH. English as first language, however, was associated with slower care processes.
Early diagnosis and treatment of intracerebral hemorrhage (ICH) is thought to be critical for improving outcomes. In this study the investigators examined whether racial or ethnic disparities existed in acute care processes in the first hours after ICH. The investigators found no evidence of racial/ethnic disparities in acute care processes or outcomes in ICH. English as first language, however, was associated with slower care processes.
AHRQ-funded; HS024561.
Citation: Su CM, Warren A, Kraus C .
Lack of racial and ethnic-based differences in acute care delivery in intracerebral hemorrhage.
Int J Emerg Med 2021 Jan 19;14(1):6. doi: 10.1186/s12245-021-00329-w..
Keywords: Racial and Ethnic Minorities, Disparities, Critical Care, Stroke, Cardiovascular Conditions, Outcomes
Hextrum S, Minhas JS, Liotta EM
Hypocapnia, ischemic lesions, and outcomes after intracerebral hemorrhage.
This research evaluated the relationship between early pCO(2) changes, ischemic lesions and outcomes in patients with intracerebral hemorrhage (ICH). This observational cohort study ran from 2006 to 2019. Arterial blood gas (ABG) measurements and mechanical ventilation settings in the first 72 hours after admission were collected. ABG data was analyzed from 220 patients. Hyperventilation occurred in 52 (28%) of cases and was not associated with clinical severity. Lower initial pCO(2) was associated with greater risk of in-hospital death. MRI images from 33 patients was used to measure the risk of developing ischemic lesions with lower pCO(2). Lower pCO(2) was also associated with a higher risk, except in patients with low initial systolic blood pressure.
AHRQ-funded; HS023437.
Citation: Hextrum S, Minhas JS, Liotta EM .
Hypocapnia, ischemic lesions, and outcomes after intracerebral hemorrhage.
J Neurol Sci 2020 Nov 15;418:117139. doi: 10.1016/j.jns.2020.117139..
Keywords: Stroke, Cardiovascular Conditions, Patient-Centered Outcomes Research, Outcomes, Evidence-Based Practice
Askew RL, Capo-Lugo CE, Sangha R
Trade-offs in quality-of-life assessment between the modified Rankin Scale and Neuro-QoL measures.
The objective of this study was to describe the physical and cognitive health of patients with differing levels of post-stroke disability as defined by modified Rankin Scale (mRS) scores. Cross-sectional correlations were also compared between the mRS and the Quality of Life in Neurological Disorders (Neuro-QoL) T-scores to longitudinal correlations of change estimates for each measure. A total of 745 patients with ischemic stroke (79%) or transient ischemic attack (21%) were enrolled in this study. There were larger differences observed in cognitive function for the severe mRS groups. Larger differences in physical function were observed in the mild-moderate mRS groups. These findings undermine the validity and utility as an outcome measure in longitudinal studies in ischemic stroke patients. But it is still efficient at capturing important differences in patient-reported quality of life, and is useful for identifying meaning cross-sectional differences among clinical subgroups.
AHRQ-funded; HS024366; HS023437; HS000078.
Citation: Askew RL, Capo-Lugo CE, Sangha R .
Trade-offs in quality-of-life assessment between the modified Rankin Scale and Neuro-QoL measures.
Value Health 2020 Oct;23(10):1366-72. doi: 10.1016/j.jval.2020.06.011..
Keywords: Quality of Life, Stroke, Outcomes, Neurological Disorders, Cardiovascular Conditions
Jackson LR, Kim S, Blanco R
Discontinuation rates of warfarin versus direct acting oral anticoagulants in US clinical practice: results from Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II (ORBIT-AF II).
The objective of this study was to evaluate discontinuation rates among patients on warfarin and direct oral anticoagulants (DOACs) in clinical practice. Over 10,000 AF patients were enrolled from the ORBIT-AF II Registry as subjects. Findings showed that, in a community based atrial fibrillation cohort, adjusted rates of discontinuation at 12 months were higher in DOAC-treated versus vitamin K antagonist-treated patients. Discontinuation of oral anticoagulation was associated with increased absolute risk of all-cause mortality and cardiovascular death.
AHRQ-funded; HS021092.
Citation: Jackson LR, Kim S, Blanco R .
Discontinuation rates of warfarin versus direct acting oral anticoagulants in US clinical practice: results from Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II (ORBIT-AF II).
Am Heart J 2020 Aug;226:85-93. doi: 10.1016/j.ahj.2020.04.016..
Keywords: Blood Thinners, Medication, Registries, Stroke, Heart Disease and Health, Cardiovascular Conditions, Outcomes
Capo-Lugo CE, Askew RL, Muldoon K
Longer time before acute rehabilitation therapy worsens disability after intracerebral hemorrhage.
This study examines the association of time to initiation of acute rehabilitation therapy to increases in disability after intracerebral hemorrhage (ICH), and identifies predictors of time to initiation of rehabilitation therapy. Retrospective data analysis was conducted using ICH patients from a large comprehensive stroke center in a metropolitan area. Disability was assessed using a modified Rankin Scale (mRS) with poor outcome defined as mRS 4-6. There was a median time of 3 days from hospital admission and the first consult by any rehabilitation therapy specialist. Each additional day between admission and initiation of acute rehabilitation therapy was associated with odds of poor outcome at 30 days and at 90 days. Predictors of later initiation of acute rehabilitation therapy included heavy drinking (>5 drinks per day), premorbid mRS<4, presence of pulmonary embolism and longer length of stay in the intensive care unit.
AHRQ-funded; HS024366; HS023437; HS000078.
Citation: Capo-Lugo CE, Askew RL, Muldoon K .
Longer time before acute rehabilitation therapy worsens disability after intracerebral hemorrhage.
Arch Phys Med Rehabil 2020 May;101(5):870-76. doi: 10.1016/j.apmr.2019.11.006..
Keywords: Rehabilitation, Disabilities, Stroke, Cardiovascular Conditions, Outcomes, Patient-Centered Outcomes Research
Nadkarni MA, Maas MB, Batra A
Elevated cerebrospinal fluid protein is associated with unfavorable functional outcome in spontaneous subarachnoid hemorrhage.
Subarachnoid hemorrhage (SAH) is a devastating neurologic event for which markers to assess poor outcome are needed. Elevated cerebrospinal fluid (CSF) protein may result from inflammation and blood-brain barrier (BBB) disruption that occurs during SAH. In this study, the investigators sought to determine if CSF protein level is associated with functional outcome after SAH.
AHRQ-funded; HS023437.
Citation: Nadkarni MA, Maas MB, Batra A .
Elevated cerebrospinal fluid protein is associated with unfavorable functional outcome in spontaneous subarachnoid hemorrhage.
J Stroke Cerebrovasc Dis 2020 Apr;29(4):104605. doi: 10.1016/j.jstrokecerebrovasdis.2019.104605..
Keywords: Stroke, Cardiovascular Conditions, Neurological Disorders, Outcomes, Patient-Centered Outcomes Research
Colton K, Richards CT, Pruitt PB
Early stroke recognition and time-based emergency care performance metrics for intracerebral hemorrhage.
This study compared time for early stroke recognition for intracerebral hemorrhage for hospitals with and without stroke teams. An observational cohort study was conducted at an urban comprehensive stroke center from 2009 to 2017 with 204 cases included. Stroke team activation resulted in faster emergency care compared to no activation. This process resulted in shorter onset-to-arrival times, higher NIH Stroke Scale scores, and higher Glasgow Coma Scale scores.
AHRQ-funded; HS023437.
Citation: Colton K, Richards CT, Pruitt PB .
Early stroke recognition and time-based emergency care performance metrics for intracerebral hemorrhage.
J Stroke Cerebrovasc Dis 2020 Feb;29(2):104552. doi: 10.1016/j.jstrokecerebrovasdis.2019.104552..
Keywords: Stroke, Emergency Department, Provider Performance, Diagnostic Safety and Quality, Quality Improvement, Quality Indicators (QIs), Patient-Centered Outcomes Research, Outcomes, Quality of Care, Evidence-Based Practice, Hospitals
Hay CC, Graham JE, Pappadis MR
The impact of one's sex and social living situation on rehabilitation outcomes after a stroke.
The goal of this retrospective observational study was to investigate sex differences and the impact of social living situation on individual functional independence measure outcomes after stroke rehabilitation. Subjects were Medicare fee-for-service beneficiaries discharged from inpatient rehabilitation facilities after a stroke. Results showed that when sociodemographic and clinical factors were controlled, females were more likely to discharge from inpatient rehabilitation at a supervision level or better for most functional independence measure items. Individuals who lived alone before their stroke had higher odds of discharging at a supervision level or better.
AHRQ-funded; HS022134.
Citation: Hay CC, Graham JE, Pappadis MR .
The impact of one's sex and social living situation on rehabilitation outcomes after a stroke.
Am J Phys Med Rehabil 2020 Jan;99(1):48-55. doi: 10.1097/phm.0000000000001276..
Keywords: Stroke, Rehabilitation, Elderly, Patient-Centered Outcomes Research, Sex Factors, Cardiovascular Conditions, Outcomes
Shah S, Xian Y, Olson DM
Home-time is a patient-centered outcome variable for stroke: an executive summary.
An outcome measure to assess functional recovery after stroke that is easily obtainable and meaningful to the patient can be very useful for assessing risks and benefits of therapeutic strategies. Home-time, which is defined as the total number of days spent alive by the patient at home, outside healthcare institutions after discharge from an index stroke event, is such a measure, and is discussed in this paper.
AHRQ-funded.
Citation: Shah S, Xian Y, Olson DM .
Home-time is a patient-centered outcome variable for stroke: an executive summary.
J Neurosci Nurs 2019 Jun;51(3):110-12. doi: 10.1097/jnn.0000000000000437..
Keywords: Patient-Centered Outcomes Research, Stroke, Cardiovascular Conditions, Outcomes
Shah S, Xian Y, Sheng S
Use, temporal trends, and outcomes of endovascular therapy after interhospital transfer in the United States.
This study examined the use, trends and outcomes of endovascular therapy (EVT) after interhospital transfer in the United Sates. This cohort study analyzed trends from over 1.8 million patients with ischemic stroke admitted to 2143 Get With The Guidelines-Stroke participating hospitals between 2012 and 2017. There were differences in mortality for interhospital transfer patients, although those differences disappeared after adjusting for delay in EVT initiation.
AHRQ-funded; HS024561.
Citation: Shah S, Xian Y, Sheng S .
Use, temporal trends, and outcomes of endovascular therapy after interhospital transfer in the United States.
Circulation 2019 Mar 26;139(13):1568-77. doi: 10.1161/circulationaha.118.036509..
Keywords: Stroke, Cardiovascular Conditions, Transitions of Care, Outcomes, Healthcare Delivery, Hospitals, Mortality, Quality of Care
Desai RJ, Wyss R, Jin Y
Extension of disease risk score-based confounding adjustments for multiple outcomes of interest: an empirical evaluation.
Use of disease risk score (DRS)-based confounding adjustment when estimating treatment effects on multiple outcomes is not well studied. In this empirical cohort study, the investigators compared dabigatran initiators and warfarin initiators with respect to risks of ischemic stroke and major bleeding in 12 sequential monitoring periods (90 days each), using data from the Truven Marketscan database (Truven Health Analytics, Ann Arbor, Michigan).
AHRQ-funded; HS022193.
Citation: Desai RJ, Wyss R, Jin Y .
Extension of disease risk score-based confounding adjustments for multiple outcomes of interest: an empirical evaluation.
Am J Epidemiol 2018 Nov;187(11):2439-48. doi: 10.1093/aje/kwy130.
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Keywords: Blood Thinners, Cardiovascular Conditions, Medication, Outcomes, Research Methodologies, Risk, Stroke
Fudim M, Liu PR, Shrader P
Mineralocorticoid receptor antagonism in patients with atrial fibrillation: findings from the ORBIT-AF (Outcomes Registry for Better Informed Treatment of Atrial Fibrillation) registry.
Mineralocorticoid receptor antagonist (MRA) therapy may be beneficial to patients with atrial fibrillation (AF), but little is known about their use in patients with AF and subsequent outcomes. In order to better understand MRA use and subsequent outcomes, the investigators performed a retrospective cohort study of the contemporary ORBIT-AF (Outcomes Registry for Better Informed Treatment of Atrial Fibrillation) registry.
AHRQ-funded; HS021092.
Citation: Fudim M, Liu PR, Shrader P .
Mineralocorticoid receptor antagonism in patients with atrial fibrillation: findings from the ORBIT-AF (Outcomes Registry for Better Informed Treatment of Atrial Fibrillation) registry.
J Am Heart Assoc 2018 Apr 13;7(8). doi: 10.1161/jaha.117.007987..
Keywords: Cardiovascular Conditions, Evidence-Based Practice, Heart Disease and Health, Medication, Outcomes, Patient-Centered Outcomes Research, Prevention, Registries, Stroke
Siegler JE, Albright KC, George AJ
Time to neurological deterioration in ischemic stroke.
This study examined the time to neurological deterioration (ND) in ischemic stroke. The study concluded that despite having similar stroke severity and age, patients with nonreversible causes of ND had significantly shorter median time to ND when compared to patients with reversible causes of ND.
AHRQ-funded; HS013852.
Citation: Siegler JE, Albright KC, George AJ .
Time to neurological deterioration in ischemic stroke.
Med Student Res J 2017 Winter;4:18-24. doi: 10.15404/msrj/03.2016.0005..
Keywords: Neurological Disorders, Outcomes, Stroke
Tam MC, Lee R, Cascino TM
Current perspectives on systemic hypertension in heart failure with preserved ejection fraction.
Heart failure with preserved ejection fraction (HFpEF) is a prevalent but incompletely understood syndrome. Traditional models of HFpEF pathophysiology revolve around systemic hypertension (HTN) and other causes of increased left ventricular afterload leading to left ventricular hypertrophy (LVH) and diastolic dysfunction. However, emerging models attribute the development of HFpEF to systemic proinflammatory changes secondary to common comorbidities which include HTN.
AHRQ-funded; HS024567.
Citation: Tam MC, Lee R, Cascino TM .
Current perspectives on systemic hypertension in heart failure with preserved ejection fraction.
Curr Hypertens Rep 2017 Feb;19(2):12. doi: 10.1007/s11906-017-0709-2.
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Keywords: Blood Pressure, Heart Disease and Health, Cardiovascular Conditions, Stroke, Outcomes
Darger B, Gonzales N, Banuelos RC
Outcomes of patients requiring blood pressure control before thrombolysis with tPA for acute ischemic stroke.
The purpose of this study was to assess safety and efficacy of thrombolysis in the setting of aggressive blood pressure (BP) control as it compares to standard BP control or no BP control prior to thrombolysis. The researchers observed no association between BP control and adverse outcomes in ischemic stroke patients undergoing thrombolysis.
AHRQ-funded; HS017586.
Citation: Darger B, Gonzales N, Banuelos RC .
Outcomes of patients requiring blood pressure control before thrombolysis with tPA for acute ischemic stroke.
West J Emerg Med 2015 Dec;16(7):1002-6. doi: 10.5811/westjem.2015.8.27859.
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Keywords: Blood Pressure, Stroke, Medication, Outcomes
Reistetter TA, Kuo YF, Karmarkar AM
Geographic and facility variation in inpatient stroke rehabilitation: multilevel analysis of functional status.
This study examined geographic and facility variation in cognitive and motor functional outcomes after postacute inpatient rehabilitation in patients with stroke. Its findings suggest that variation in motor and cognitive function at discharge after postacute rehabilitation in patients with stroke is accounted for more by facility than geographic location.
AHRQ-funded; HS022134.
Citation: Reistetter TA, Kuo YF, Karmarkar AM .
Geographic and facility variation in inpatient stroke rehabilitation: multilevel analysis of functional status.
Arch Phys Med Rehabil 2015 Jul;96(7):1248-54. doi: 10.1016/j.apmr.2015.02.020..
Keywords: Stroke, Cardiovascular Conditions, Inpatient Care, Outcomes
Lyerly MJ, Houston JT, Boehme AK
Safety of intravenous tissue plasminogen activator administration with computed tomography evidence of prior infarction.
The researchers sought to determine if the presence of a previous stroke on pretreatment computed tomography (CT) is a predictor of hemorrhagic complications and functional outcomes after the administration of intravenous (IV) tissue plasminogen activator (tPA). Their data suggest that a prior stroke on CT should not be viewed as a reason to withhold this treatment unless it occurred within the last 3 months.
AHRQ-funded; HS013852.
Citation: Lyerly MJ, Houston JT, Boehme AK .
Safety of intravenous tissue plasminogen activator administration with computed tomography evidence of prior infarction.
J Stroke Cerebrovasc Dis 2014 Jul;23(6):1657-61. doi: 10.1016/j.jstrokecerebrovasdis.2014.01.011..
Keywords: Stroke, Risk, Outcomes, Imaging
Kumamaru H, Judd SE, Curtis JR
Validity of claims-based stroke algorithms in contemporary Medicare data: reasons for geographic and racial differences in stroke (REGARDS) study linked with medicare claims.
The researchers assessed the validity of diagnostic coding algorithms for identifying stroke in the Medicare population by linking data from the REasons for Geographic And Racial Differences in Stroke (REGARDS) Study to Medicare claims. They found that claims-based algorithms to identify stroke in a contemporary Medicare cohort had high positive predictive value and specificity, supporting their use as outcomes for etiologic and comparative effectiveness studies in similar populations.
AHRQ-funded; HS017731; HS018517.
Citation: Kumamaru H, Judd SE, Curtis JR .
Validity of claims-based stroke algorithms in contemporary Medicare data: reasons for geographic and racial differences in stroke (REGARDS) study linked with medicare claims.
Circ Cardiovasc Qual Outcomes 2014 Jul;7(4):611-9. doi: 10.1161/circoutcomes.113.000743..
Keywords: Stroke, Medicare, Comparative Effectiveness, Outcomes