Charles E. Leonard
Charles E. Leonard
University of Pennsylvania, Perelman School of Medicine
Verified email at mail.med.upenn.edu - Homepage
Title
Cited by
Cited by
Year
Unintended effects of a computerized physician order entry nearly hard-stop alert to prevent a drug interaction: a randomized controlled trial
BL Strom, R Schinnar, F Aberra, W Bilker, S Hennessy, CE Leonard, ...
Archives of internal medicine 170 (17), 1578-1583, 2010
1992010
Identifying potential adverse effects using the web: A new approach to medical hypothesis generation
A Benton, L Ungar, S Hill, S Hennessy, J Mao, A Chung, CE Leonard, ...
Journal of biomedical informatics 44 (6), 989-996, 2011
1732011
Location, location, location: geographic clustering of lower-extremity amputation among Medicare beneficiaries with diabetes
DJ Margolis, O Hoffstad, J Nafash, CE Leonard, CP Freeman, ...
Diabetes care 34 (11), 2363-2367, 2011
1342011
Incidence of diabetic foot ulcer and lower extremity amputation among Medicare beneficiaries, 2006 to 2008
DJ Margolis, DS Malay, OJ Hoffstad, CE Leonard, T MaCurdy, ...
Data Points Publication Series [Internet], 2011
1092011
Prevalence of diabetes, diabetic foot ulcer, and lower extremity amputation among Medicare beneficiaries, 2006 to 2008
DJ Margolis, DS Malay, OJ Hoffstad, CE Leonard, T MaCurdy, ...
Data Points Publication Series [Internet], 2011
982011
Online discussion of drug side effects and discontinuation among breast cancer survivors
JJ Mao, A Chung, A Benton, S Hill, L Ungar, CE Leonard, S Hennessy, ...
Pharmacoepidemiology and drug safety 22 (3), 256-262, 2013
962013
Validation of diagnostic codes for outpatient‐originating sudden cardiac death and ventricular arrhythmia in Medicaid and Medicare claims data
S Hennessy, CE Leonard, CP Freeman, R Deo, C Newcomb, SE Kimmel, ...
Pharmacoepidemiology and drug safety 19 (6), 555-562, 2010
962010
Antidepressants and the risk of sudden cardiac death and ventricular arrhythmia
CE Leonard, WB Bilker, C Newcomb, SE Kimmel, S Hennessy
Pharmacoepidemiology and drug safety 20 (9), 903-913, 2011
882011
Proton pump inhibitors and traditional nonsteroidal anti‐inflammatory drugs and the risk of acute interstitial nephritis and acute kidney injury
CE Leonard, CP Freeman, CW Newcomb, PP Reese, M Herlim, WB Bilker, ...
Pharmacoepidemiology and drug safety 21 (11), 1155-1172, 2012
802012
Antipsychotics and the risks of sudden cardiac death and all-cause death: cohort studies in Medicaid and dually-eligible Medicaid-Medicare beneficiaries of five states
CE Leonard, CP Freeman, CW Newcomb, WB Bilker, SE Kimmel, ...
Journal of clinical & experimental cardiology, 1, 2013
672013
Quality of Medicaid and Medicare data obtained through Centers for Medicare and Medicaid Services (CMS)
S Hennessy, CE Leonard, CM Palumbo, C Newcomb, WB Bilker
Medical care 45 (12), 1216-1220, 2007
672007
Economic burden of diabetic foot ulcers and amputations
DJ Margolis, DS Malay, OJ Hoffstad, CE Leonard, T MaCurdy, Y Tan, ...
Data points publication series [internet], 2011
652011
Identifying and quantifying medication errors: evaluation of rapidly discontinued medication orders submitted to a computerized physician order entry system
R Koppel, CE Leonard, AR Localio, A Cohen, R Auten, BL Strom
Journal of the American Medical Informatics Association 15 (4), 461-465, 2008
532008
Randomized clinical trial of a customized electronic alert requiring an affirmative response compared to a control group receiving a commercial passive CPOE alert: NSAID …
BL Strom, R Schinnar, W Bilker, S Hennessy, CE Leonard, E Pifer
Journal of the American Medical Informatics Association 17 (4), 411-415, 2010
492010
Cisapride and ventricular arrhythmia
S Hennessy, CE Leonard, C Newcomb, SE Kimmel, WB Bilker
British journal of clinical pharmacology 66 (3), 375-385, 2008
482008
Patient reported receipt of medication instructions for warfarin is associated with reduced risk of serious bleeding events
JP Metlay, S Hennessy, AR Localio, X Han, W Yang, A Cohen, ...
Journal of general internal medicine 23 (10), 1589, 2008
472008
Pharmacoepidemiologic methods for studying the health effects of drug–drug interactions
S Hennessy, CE Leonard, JJ Gagne, JH Flory, X Han, CM Brensinger, ...
Clinical Pharmacology & Therapeutics 99 (1), 92-100, 2016
432016
Effectiveness of a two‐part educational intervention to improve hypertension control: a cluster‐randomized trial
S Hennessy, CE Leonard, W Yang, SE Kimmel, RR Townsend, ...
Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy 26 (9 …, 2006
392006
Diagnostic E-codes for commonly used, narrow therapeutic index medications poorly predict adverse drug events
CE Leonard, K Haynes, AR Localio, S Hennessy, J Tjia, A Cohen, ...
Journal of clinical epidemiology 61 (6), 561-571, 2008
372008
Comparative risk of ischemic stroke among users of clopidogrel together with individual proton pump inhibitors
CE Leonard, WB Bilker, CM Brensinger, DA Flockhart, CP Freeman, ...
Stroke 46 (3), 722-731, 2015
322015
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