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R. Carnahan · SciRah

Researcher profile · Semantic Scholar

R. Carnahan

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R. Carnahan — researcher profile on SciRah

h-index: 33
Works: 174
Citations: 4,302

Most-cited papers

An Exploratory Analysis of Real-World End Points for Assessing Outcomes Among Immunotherapy-Treated Patients With Advanced Non–Small-Cell Lung Cancer
M. Stewart, A. Norden, N. Dreyer, H. Henk +14 more
2019JCO Clinical Cancer Informatics103 citations Open access
Semantic Scholar
Cognitive burden of anticholinergic medications in psychotic disorders
Seenae Eum, S. K. Hill, Leah H. Rubin, R. Carnahan +11 more
2017Schizophrenia Research90 citations Open access
Semantic Scholar
A critical appraisal of the utility of the serum anticholinergic activity assay in research and clinical practice.
R. Carnahan, B. Lund, P. Perry, B. Pollock
2025Psychopharmacology bulletin70 citations
Semantic Scholar
Intravenous immune globulin and thromboembolic adverse events in patients with hematologic malignancy.
Eric M. Ammann, Michael P. Jones, B. Link, R. Carnahan +5 more
2016Blood69 citations Open access
Semantic Scholar
Validation of the Delirium Observation Screening Scale (DOS) in a Hospitalized Older Population
Katherine Gavinski, R. Carnahan, M. Weckmann
2016Journal of Hospital Medicine64 citations Open access
Semantic Scholar
Impact of Preexisting Mental Illness on Breast Cancer Endocrine Therapy Adherence
Cole B. Haskins, B. McDowell, R. Carnahan, J. Fiedorowicz +3 more
2018Breast Cancer Research and Treatment59 citations Open access
Semantic Scholar
Recognition, prevention, and treatment of delirium in emergency department: An evidence-based narrative review.
Sangil Lee, M. Gottlieb, P. Mulhausen, Jason Wilbur +3 more
2019American Journal of Emergency Medicine50 citations
Semantic Scholar
Telehealth Utilization Is Associated with Lower Risk of Discontinuation of Buprenorphine: a Retrospective Cohort Study of US Veterans
J. Vakkalanka, B. Lund, M. Ward, Stephan Arndt +3 more
2021Journal of general internal medicine48 citations Open access
Semantic Scholar
Anticholinergic Medication Use and Risk of Pneumonia in Elderly Adults: A Nested Case–Control Study
S. Chatterjee, R. Carnahan, Hua Chen, H. Holmes +2 more
2016Journal of The American Geriatrics Society48 citations
Semantic Scholar
Anticholinergic medication use and falls in postmenopausal women: findings from the women’s health initiative cohort study
Z. Marcum, H. Wirtz, M. Pettinger, A. LaCroix +4 more
2016BMC Geriatrics46 citations Open access
Semantic Scholar
Potentially Inappropriate Anticholinergic Medication Use in Community-Dwelling Older Adults: A National Cross-Sectional Study
N. Kachru, R. Carnahan, Michael L. Johnson, R. Aparasu
2015Drugs & Aging46 citations
Semantic Scholar
Prevalence and Features of Asthma-COPD Overlap in the U.S. 2007-2012
A. Mendy, E. Forno, T. Niyonsenga, R. Carnahan +1 more
2018Clinical Respiratory Journal39 citations Open access
Semantic Scholar
Successful Comparison of US Food and Drug Administration Sentinel Analysis Tools to Traditional Approaches in Quantifying a Known Drug-Adverse Event Association
Joshua J. Gagne, Xu Han, Sean Hennessy, Charles E. Leonard +11 more
2016Clinical pharmacology and therapy36 citations Open access
Semantic Scholar
Risk Factors for Delirium in Elderly Patients After Lumbar Spinal Fusion
C. Gold, Emanuel J. Ray, David Christianson, B. Park +16 more
2022medRxiv34 citations Open access
Semantic Scholar
Sentinel Modular Program for Propensity-Score Matched Cohort Analyses: Application to Glyburide, Glipizide, and Serious Hypoglycemia
Meijia Zhou, Shirley V. Wang, Charles E. Leonard, J. Gagne +12 more
2017Epidemiology34 citations Open access
Semantic Scholar
Risk Factors and Survival Analysis of Spinal Cord Stimulator Explantation
Mark C. Dougherty, R. Woodroffe, S. Wilson, G. T. Gillies +2 more
2020Neuromodulation (Malden, Mass.)30 citations
Semantic Scholar
Anticholinergic Medication Use and Risk of Dementia Among Elderly Nursing Home Residents with Depression.
S. Chatterjee, V. Bali, R. Carnahan, Michael L. Johnson +2 more
2016The American journal of geriatric psychiatry30 citations
Semantic Scholar
Potentially inappropriate anticholinergic medication use in older adults with dementia.
N. Kachru, R. Carnahan, Michael L. Johnson, R. Aparasu
2015Journal of the American Pharmacists Association29 citations
Semantic Scholar
Rural Disparities in Surgical Care from Gynecologic Oncologists Among Midwestern Ovarian Cancer Patients
Kristin S. Weeks, C. Lynch, M. West, R. Carnahan +5 more
2020Gynecologic Oncology28 citations Open access
Semantic Scholar
Anticholinergic Medication Use and Risk of Fracture in Elderly Adults with Depression
S. Chatterjee, V. Bali, R. Carnahan, Hua Chen +2 more
2016Journal of The American Geriatrics Society28 citations
Semantic Scholar
Association Between Buprenorphine for Opioid Use Disorder and Mortality Risk
P. Vakkalanka, B. Lund, Stephan Arndt, W. Field +3 more
2021American Journal of Preventive Medicine25 citations Open access
Semantic Scholar
Anticholinergic burden and risk of cognitive impairment in elderly nursing home residents with depression.
S. Chatterjee, V. Bali, R. Carnahan, Hua Chen +2 more
2020Research in Social and Administrative Pharmacy23 citations
Semantic Scholar
Caring for people with dementia and challenging behaviors in nursing homes: A needs assessment geriatric nursing.
J. Daly, C. Bay, B. Levy, R. Carnahan
2015Geriatric Nursing23 citations
Semantic Scholar
Prospective surveillance pilot of rivaroxaban safety within the US Food and Drug Administration Sentinel System
E. Chrischilles, J. Gagne, B. Fireman, J. Nelson +20 more
2018Pharmacoepidemiology and Drug Safety22 citations
Semantic Scholar
Sex Disparities in Diagnostic Evaluation and Revascularization in Patients With Acute Myocardial Infarction—A 15‐Year Nationwide Study
M. Ashraf, M. Jan, Tanvir K. Bajwa, R. Carnahan +2 more
2023Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease21 citations Open access
Semantic Scholar
Chart validation of inpatient ICD-9-CM administrative diagnosis codes for acute myocardial infarction (AMI) among intravenous immune globulin (IGIV) users in the Sentinel Distributed Database
Eric M. Ammann, Marin L. Schweizer, J. Robinson, Jayasheel O Eschol +9 more
2018Pharmacoepidemiology and Drug Safety21 citations Open access
Semantic Scholar
Risk of Dementia Among Elderly Nursing Home Patients Using Paroxetine and Other Selective Serotonin Reuptake Inhibitors.
V. Bali, S. Chatterjee, R. Carnahan, Hua Chen +2 more
2015Psychiatric Services21 citations Open access
Semantic Scholar
Predictors of Reduced Opioid Use With Spinal Cord Stimulation in Patients With Chronic Opioid Use
Mark C. Dougherty, R. Woodroffe, S. Wilson, G. T. Gillies +2 more
2020Neuromodulation (Malden, Mass.)20 citations
Semantic Scholar
Risk of Mortality Associated with Anticholinergic Use in Elderly Nursing Home Residents with Depression
S. Chatterjee, V. Bali, R. Carnahan, Hua Chen +2 more
2017Drugs & Aging20 citations
Semantic Scholar
Where Are Antipsychotics Prescribed in Nursing Homes Initiated?
Yan Zhang, Elena M. Letuchy, R. Carnahan
2018Journal of The American Geriatrics Society19 citations Open access
Semantic Scholar
Chart validation of inpatient International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) administrative diagnosis codes for venous thromboembolism (VTE) among intravenous immune globulin (IGIV) users in the Sentinel Distributed Database
Eric M. Ammann, A. Cuker, R. Carnahan, Usha S. Perepu +7 more
2018Medicine18 citations Open access
Semantic Scholar
Impact of Iowa’s Prescription Monitoring Program on Opioid Pain Reliever Prescribing Patterns: An Interrupted Time Series Study 2003–2014
S. Ranapurwala, R. Carnahan, Grant D. Brown, Jessica A. Hinman +1 more
2019Pain medicine (Malden, Mass.)15 citations Open access
Semantic Scholar
Evaluation of emergency department derived delirium prediction models using a hospital-wide cohort.
Sangil Lee, K. Harland, N. Mohr, Grace Matthews +5 more
2019Journal of Psychosomatic Research15 citations
Semantic Scholar
Determination of Risk Factors for Recurrent Methicillin-Resistant Staphylococcus aureus Bacteremia in a Veterans Affairs Healthcare System Population
J. Albertson, Jennifer S. McDanel, R. Carnahan, E. Chrischilles +5 more
2015Infection Control & Hospital Epidemiology15 citations
Semantic Scholar
The Effects of Antidepressants on Depressive Symptoms in Manifest Huntington’s Disease
A. Ogilvie, R. Carnahan, E. Chrischilles, Jordan L. Schultz
2022Journal of Psychosomatic Research14 citations
Semantic Scholar
Challenges and opportunities in creating a deprescribing program in the emergency department: A qualitative study
Sangil Lee, Morgan Bobb Swanson, Allison Fillman, R. Carnahan +2 more
2022Journal of The American Geriatrics Society14 citations Open access
Semantic Scholar
Impact of Rurality on Stage IV Ovarian Cancer at Diagnosis: A Midwest Cancer Registry Cohort Study
Kristin S. Weeks, C. Lynch, M. West, M. Mcdonald +3 more
2020Journal of Rural Health14 citations Open access
Semantic Scholar
Effectiveness of the Delirium Observation Screening Survey at Identifying Delirium in Home Hospice Patients
Shea Jorgensen, R. Carnahan, Christopher Nguyen, M. Weckmann
2016The American journal of hospice & palliative care14 citations Open access
Semantic Scholar
Opioid and benzodiazepine use in the emergency department and the recognition of delirium within the first 24 hours of hospitalization
Sangil Lee, U. Okoro, M. Swanson, N. Mohr +2 more
2021Journal of Psychosomatic Research13 citations Open access
Semantic Scholar
Impact of programs to reduce antipsychotic and anticholinergic use in nursing homes
R. Carnahan, Grant D. Brown, E. Letuchy, L. Rubenstein +7 more
2017Alzheimer's & Dementia13 citations Open access
Semantic Scholar
Increased opioid use following rotator cuff repair associated with prior opioid use and surgeon prescription patterns.
Cole G. Chapman, Jared Hudspeth, S. Floyd, R. Carnahan +2 more
2020Journal of shoulder and elbow surgery12 citations
Semantic Scholar
Risk of Cognitive Decline Associated With Paroxetine Use in Elderly Nursing Home Patients With Depression
V. Bali, S. Chatterjee, Michael L. Johnson, Hua Chen +2 more
2016American Journal of Alzheimers Disease & Other Dementias12 citations Open access
Semantic Scholar
Anticholinergic drugs and health-related quality of life in older adults with dementia.
S. Sura, R. Carnahan, Hua Chen, R. Aparasu
2015Journal of the American Pharmacists Association12 citations
Semantic Scholar
Impact of Surgeon Type and Rurality on Treatment and Survival of Ovarian Cancer Patients
Kristin S. Weeks, C. Lynch, M. West, R. Carnahan +4 more
2021American Journal of Clinical Oncology11 citations Open access
Semantic Scholar
Temporal trends and factors associated with increased mortality among atrial fibrillation weekend hospitalizations: an insight from National Inpatient Sample 2005–2014
D. Voruganti, G. Shantha, Sushma Dugyala, N. Pothineni +10 more
2019BMC Research Notes11 citations Open access
Semantic Scholar
Bipolar Disorder in Nursing Homes: Impact on Antipsychotic Use, Diagnosis Patterns, and New Diagnoses in People with Dementia.
R. Carnahan, E. Letuchy
2018The American journal of geriatric psychiatry11 citations Open access
Semantic Scholar
Risk of Mortality in Elderly Nursing Home Patients with Depression Using Paroxetine
V. Bali, S. Chatterjee, Michael L. Johnson, Hua Chen +2 more
2017Pharmacotherapy11 citations
Semantic Scholar
Cardiac Adverse Events Associated With Chemo‐Radiation Versus Chemotherapy for Resectable Stage III Non‐Small‐Cell Lung Cancer: A Surveillance, Epidemiology and End Results‐Medicare Study
E. Herbach, M. O'Rorke, R. Carnahan, B. McDowell +7 more
2022Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease9 citations Open access
Semantic Scholar
Exploring Electronic Communication Modes Between Iraqi Faculty and Students of Pharmacy Schools Using the Technology Acceptance Model
A. Al-Jumaili, Mohammed D. Al-Rekabi, O. Alsawad, O. Allela +5 more
2017American Journal of Pharmaceutical Education9 citations Open access
Semantic Scholar
Patterns of evidence-based care for the diagnosis, staging, and first-line treatment of breast cancer by race-ethnicity: a SEER-Medicare study
E. Herbach, Sarah H. Nash, I. Lizarraga, R. Carnahan +4 more
2023Cancer Epidemiology, Biomarkers and Prevention8 citations Open access
Semantic Scholar

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R. Aparasu×11
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Michael L. Johnson×10
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Hua Chen×9
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V. Bali — researcher profile on SciRah

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M. Charlton — researcher profile on SciRah

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C. Fuller — researcher profile on SciRah

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M. Weckmann — researcher profile on SciRah

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Sangil Lee — researcher profile on SciRah

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B. Lund — researcher profile on SciRah

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Eric M. Ammann — researcher profile on SciRah