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Ladapo, Joseph A

Title(s)Associate Professor-in-Residence, Medicine
SchoolGeneral
Phone310-794-2728
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    Collapse Research 
    Collapse Research Activities and Funding
    Financial incentive strategies for smoking cessation in high-risk, hospitalized patients.
    NIH/NIDA R01DA045688Feb 15, 2019 - Dec 31, 2023
    Role: Principal Investigator
    Behavioral Economics and Implementation Research to Reduce Cardiovascular Risk in HIV-infected Adults
    NIH/NHLBI U01HL142104Jun 1, 2018 - May 31, 2022
    Role: Principal Investigator
    Financial incentive strategies for weight loss in obese patients living in socioeconomically disadvantaged neighborhoods
    NIH/NIMHD R01MD011544Sep 27, 2016 - Jun 30, 2021
    Role: Principal Investigator
    Patient-centered approaches to diagnosing coronary heart disease
    NIH/NHLBI K23HL116787Aug 1, 2013 - Jul 31, 2018
    Role: Principal Investigator

    Collapse ORNG Applications 
    Collapse Clinical Trials

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Gamble-George JC, Longenecker CT, Webel AR, Au DH, Brown AF, Bosworth H, Crothers K, Cunningham WE, Fiscella KA, Hamilton AB, Helfrich CD, Ladapo JA, Luque A, Tobin JN, Wyatt GE. ImPlementation REsearCh to DEvelop Interventions for People Living with HIV (the PRECluDE consortium): Combatting chronic disease comorbidities in HIV populations through implementation research. Prog Cardiovasc Dis. 2020 Mar 18. PMID: 32199901.
      View in: PubMed
    2. Takada S, Ober AJ, Currier JS, Goldstein NJ, Horwich TB, Mittman BS, Shu SB, Tseng CH, Vijayan T, Wali S, Cunningham WE, Ladapo JA. Reducing cardiovascular risk among people living with HIV: Rationale and design of the INcreasing Statin Prescribing in HIV Behavioral Economics REsearch (INSPIRE) randomized controlled trial. Prog Cardiovasc Dis. 2020 Feb 18. PMID: 32084445.
      View in: PubMed
    3. Ladapo JA, Tseng CH, Sherman SE. Financial Incentives for Smoking Cessation in Hospitalized Patients: A Randomized Clinical Trial. Am J Med. 2020 Jan 23. PMID: 31982494.
      View in: PubMed
    4. Thornton PL, Kumanyika SK, Gregg EW, Araneta MR, Baskin ML, Chin MH, Crespo CJ, de Groot M, Garcia DO, Haire-Joshu D, Heisler M, Hill-Briggs F, Ladapo JA, Lindberg NM, Manson SM, Marrero DG, Peek ME, Shields AE, Tate DF, Mangione CM. New research directions on disparities in obesity and type 2 diabetes. Ann N Y Acad Sci. 2020 Feb; 1461(1):5-24. PMID: 31793006.
      View in: PubMed
    5. Moise N, Davidson KW, Cheung YKK, Clarke GN, Dolor RJ, Duer-Hefele J, Ladapo JA, Margolis KL, St Onge T, Parsons F, Retuerto J, Schmit KM, Thanataveerat A, Kronish IM. Rationale, design, and baseline data for a multicenter randomized clinical trial comparing depression screening strategies after acute coronary syndrome: The comparison of depression identification after acute Coronary Syndromes-Quality of Life and Cost Outcomes (CODIACS-QOL) trial. Contemp Clin Trials. 2019 Sep; 84:105826. PMID: 31419605.
      View in: PubMed
    6. Mafi JN, Godoy-Travieso P, Wei E, Anders M, Amaya R, Carrillo CA, Berry JL, Sarff L, Daskivich L, Vangala S, Ladapo J, Keeler E, Damberg CL, Sarkisian C. Evaluation of an Intervention to Reduce Low-Value Preoperative Care for Patients Undergoing Cataract Surgery at a Safety-Net Health System. JAMA Intern Med. 2019 05 01; 179(5):648-657. PMID: 30907922.
      View in: PubMed
    7. Jay M, Orstad SL, Wali S, Wylie-Rosett J, Tseng CH, Sweat V, Wittleder S, Shu SB, Goldstein NJ, Ladapo JA. Goal-directed versus outcome-based financial incentives for weight loss among low-income patients with obesity: rationale and design of the Financial Incentives foR Weight Reduction (FIReWoRk) randomised controlled trial. BMJ Open. 2019 04 08; 9(4):e025278. PMID: 30962231.
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    8. Newman JD, Berger JS, Ladapo JA. Underuse of Medications and Lifestyle Counseling to Prevent Cardiovascular Disease in Patients With Diabetes. Diabetes Care. 2019 05; 42(5):e75-e76. PMID: 30862654.
      View in: PubMed
    9. Gul B, Lansky A, Budoff MJ, Sharp D, Maniet B, Herman L, Kuo JZ, Huang L, Monane M, Ladapo JA. The Clinical Utility of a Precision Medicine Blood Test Incorporating Age, Sex, and Gene Expression for Evaluating Women with Stable Symptoms Suggestive of Obstructive Coronary Artery Disease: Analysis from the PRESET Registry. J Womens Health (Larchmt). 2019 05; 28(5):728-735. PMID: 30653377.
      View in: PubMed
    10. Snow SC, Fonarow GC, Ladapo JA, Washington DL, Hoggatt KJ, Ziaeian B. National Rate of Tobacco and Substance Use Disorders Among Hospitalized Heart Failure Patients. Am J Med. 2019 04; 132(4):478-488.e4. PMID: 30562497.
      View in: PubMed
    11. Ladapo JA, Pfeifer JM, Pitcavage JM, Williams BA, Choy-Shan AA. Quantifying Sex Differences in Cardiovascular Care Among Patients Evaluated for Suspected Ischemic Heart Disease. J Womens Health (Larchmt). 2019 05; 28(5):698-704. PMID: 30543478.
      View in: PubMed
    12. French KM, Gonzalez SZ, Sherman SE, Link AR, Malik SZ, Tseng CH, Jumkhawala SA, Tejada B, White A, Ladapo JA. Financial IncEntives for Smoking TreAtment: protocol of the FIESTA trial and FIESTA Oral Microbiome Substudy. Trials. 2018 Nov 21; 19(1):646. PMID: 30463608.
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    13. Ladapo JA. Capsule Commentary on Silvestri et al., Impact of Cost Display on Ordering Patterns for Hospital Laboratory and Imaging Services. J Gen Intern Med. 2018 08; 33(8):1383. PMID: 29869144.
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    14. Stevens ER, Farrell D, Jumkhawala SA, Ladapo JA. Quality of health economic evaluations for the ACC/AHA stable ischemic heart disease practice guideline: A systematic review. Am Heart J. 2018 10; 204:17-33. PMID: 30077048.
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    15. Ladapo JA, Budoff MJ, Azarmina P, Sharp D, Baker A, Maniet B, Herman L, Monane M. Economic Outcomes of a Precision Medicine Blood Test To Assess Obstructive Coronary Artery Disease: Results from the PRESET Registry. Manag Care. 2018 06; 27(6):34-40. PMID: 29989911.
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    16. Ladapo JA, Larochelle MR, Chen A, Villalon MM, Vassar S, Huang DYC, Mafi JN. Physician Prescribing of Opioids to Patients at Increased Risk of Overdose From Benzodiazepine Use in the United States. JAMA Psychiatry. 2018 06 01; 75(6):623-630. PMID: 29710086.
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    17. Robbins R, Seixas A, Jean-Louis G, Parthasarathy S, Rapoport DM, Ogedegbe G, Ladapo JA. National patterns of physician management of sleep apnea and treatment among patients with hypertension. PLoS One. 2018; 13(5):e0196981. PMID: 29791455.
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    18. Chang J, Chokshi D, Ladapo J. Coordination Across Ambulatory Care: A Comparison of Referrals and Health Information Exchange Across Convenient and Traditional Settings. J Ambul Care Manage. 2018 Apr/Jun; 41(2):128-137. PMID: 29474252.
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    19. Ladapo JA, Spritzer CE, Nguyen XV, Pool J, Lang E. Economics of MRI Operations After Implementation of Interpersonal Skills Training. J Am Coll Radiol. 2018 Dec; 15(12):1775-1783. PMID: 29530323.
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    20. Ladapo JA, Budoff MJ, Sharp D, Kuo JZ, Huang L, Maniet B, Herman L, Monane M. Utility of a Precision Medicine Test in Elderly Adults with Symptoms Suggestive of Coronary Artery Disease. J Am Geriatr Soc. 2018 02; 66(2):309-315. PMID: 29210056.
      View in: PubMed
    21. Ladapo JA, Richards AK, DeWitt CM, Harawa NT, Shoptaw S, Cunningham WE, Mafi JN. Disparities in the Quality of Cardiovascular Care Between HIV-Infected Versus HIV-Uninfected Adults in the United States: A Cross-Sectional Study. J Am Heart Assoc. 2017 Nov 14; 6(11). PMID: 29138182.
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    22. Ladapo JA, Chokshi DA. Changes in cardiovascular care provision after the Affordable Care Act. Am J Manag Care. 2017 Nov 01; 23(11):e366-e373. PMID: 29182357.
      View in: PubMed
    23. Ladapo JA, Coles A, Dolor RJ, Mark DB, Cooper L, Lee KL, Goldberg J, Shapiro MD, Hoffmann U, Douglas PS. Quantifying sociodemographic and income disparities in medical therapy and lifestyle among symptomatic patients with suspected coronary artery disease: a cross-sectional study in North America. BMJ Open. 2017 Sep 29; 7(9):e016364. PMID: 28965093.
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    24. Berger JS, Ladapo JA. Underuse of Prevention and Lifestyle Counseling in Patients With Peripheral Artery Disease. J Am Coll Cardiol. 2017 May 09; 69(18):2293-2300. PMID: 28473134.
      View in: PubMed
    25. Ajam AA, Nguyen XV, Kelly RA, Ladapo JA, Lang EV. Effects of Interpersonal Skills Training on MRI Operations in a Saturated Market: A Randomized Trial. J Am Coll Radiol. 2017 Jul; 14(7):963-970. PMID: 28461168.
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    26. Ladapo JA. Strengths and Limitations of Using Cost Evaluations to Inform Cardiovascular Care. JACC Cardiovasc Interv. 2017 02 27; 10(4):352-354. PMID: 28231902.
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    27. Diaz KM, Booth JN, Seals SR, Abdalla M, Dubbert PM, Sims M, Ladapo JA, Redmond N, Muntner P, Shimbo D. Physical Activity and Incident Hypertension in African Americans: The Jackson Heart Study. Hypertension. 2017 03; 69(3):421-427. PMID: 28137988.
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    28. Ladapo JA, Pfeifer JM, Choy-Shan AA, Pitcavage JM, Williams BA. Association of Patient Beliefs and Preferences With Subsequent Testing After Initial Evaluation for Ischemic Heart Disease. JACC Cardiovasc Imaging. 2017 09; 10(9):1076-1078. PMID: 28017386.
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    29. Ladapo JA, Budoff M, Sharp D, Zapien M, Huang L, Maniet B, Herman L, Monane M. Clinical Utility of a Precision Medicine Test Evaluating Outpatients with Suspected Obstructive Coronary Artery Disease. Am J Med. 2017 Apr; 130(4):482.e11-482.e17. PMID: 27993573.
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    30. Ladapo JA, Hoffmann U, Lee KL, Coles A, Huang M, Mark DB, Dolor RJ, Pelberg RA, Budoff M, Sigurdsson G, Severance HW, Douglas PS. Changes in Medical Therapy and Lifestyle After Anatomical or Functional Testing for Coronary Artery Disease. J Am Heart Assoc. 2016 10 12; 5(10). PMID: 27733347.
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    31. Sherman SE, Link AR, Rogers ES, Krebs P, Ladapo JA, Shelley DR, Fang Y, Wang B, Grossman E. Smoking-Cessation Interventions for Urban Hospital Patients: A Randomized Comparative Effectiveness Trial. Am J Prev Med. 2016 10; 51(4):566-77. PMID: 27647057.
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    32. Ladapo JA, Prochaska JJ. Paying Smokers to Quit: Does It Work? Should We Do It? J Am Coll Cardiol. 2016 08 23; 68(8):786-8. PMID: 27539169.
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    33. Ladapo JA, Blecker S, O'Donnell M, Jumkhawala SA, Douglas PS. Appropriate Use of Cardiac Stress Testing with Imaging: A Systematic Review and Meta-Analysis. PLoS One. 2016; 11(8):e0161153. PMID: 27536775.
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    34. Ladapo JA, Turakhia MP, Ryan MP, Mollenkopf SA, Reynolds MR. Reply. Am J Cardiol. 2017 08 01; 120(3):e25. PMID: 27553106.
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    35. Crotty DJ, Chen XJ, Scipione MR, Dubrovskaya Y, Louie E, Ladapo JA, Papadopoulos J. Allergic Reactions in Hospitalized Patients With a Self-Reported Penicillin Allergy Who Receive a Cephalosporin or Meropenem. J Pharm Pract. 2017 Feb; 30(1):42-48. PMID: 26038245.
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    36. Ladapo JA, Elliott MN, Kanouse DE, Schwebel DC, Toomey SL, Mrug S, Cuccaro PM, Tortolero SR, Schuster MA. Firearm Ownership and Acquisition Among Parents With Risk Factors for Self-Harm or Other Violence. Acad Pediatr. 2016 Nov - Dec; 16(8):742-749. PMID: 27426038.
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    37. Blecker S, Katz SD, Ladapo JA, Gavin NP. In reply. Ann Emerg Med. 2016 06; 67(6):792-793. PMID: 27217134.
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    38. Juusola JL, Quisel TR, Foschini L, Ladapo JA. The Impact of an Online Crowdsourcing Diagnostic Tool on Health Care Utilization: A Case Study Using a Novel Approach to Retrospective Claims Analysis. J Med Internet Res. 2016 06 01; 18(6):e127. PMID: 27251384.
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    39. Ladapo JA. Treatment of Patients With Stable Ischemic Heart Disease. JAMA. 2016 May 03; 315(17):1905. PMID: 27139071.
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    40. Ladapo JA, Turakhia MP, Ryan MP, Mollenkopf SA, Reynolds MR. Health Care Utilization and Expenditures Associated With Remote Monitoring in Patients With Implantable Cardiac Devices. Am J Cardiol. 2016 May 01; 117(9):1455-62. PMID: 26996767.
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    41. Blecker S, Gavin NP, Park H, Ladapo JA, Katz SD. Observation Units as Substitutes for Hospitalization or Home Discharge. Ann Emerg Med. 2016 06; 67(6):706-713.e2. PMID: 26619756.
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    42. Ladapo JA, Herman L, Weiner BH, Rhees B, Castle L, Monane M, McPherson JA. Use of a blood test incorporating age, sex, and gene expression influences medical decision-making in the evaluation of women presenting with symptoms suggestive of obstructive coronary artery disease: summary results from two ambulatory care studies in primary care. Menopause. 2015 Nov; 22(11):1224-30. PMID: 25828395.
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    43. Ladapo JA, Blecker S, Douglas PS. Appropriateness of cardiac stress test use among primary care physicians and cardiologists in the United States. Int J Cardiol. 2016 Jan 15; 203:584-6. PMID: 26569369.
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    44. Ladapo JA, Bogart LM, Klein DJ, Cowgill BO, Uyeda K, Binkle DG, Stevens ER, Schuster MA. Cost and Cost-Effectiveness of Students for Nutrition and eXercise (SNaX). Acad Pediatr. 2016 Apr; 16(3):247-53. PMID: 26427719.
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    45. Sigmund AE, Stevens ER, Blitz JD, Ladapo JA. Use of Preoperative Testing and Physicians' Response to Professional Society Guidance. JAMA Intern Med. 2015 Aug; 175(8):1352-9. PMID: 26053956.
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    46. Ladapo JA, Fang Y, Davidson KW, Braithwaite RS. Open access to economic outcome data will help to bridge the gap between clinical trials and clinical guidelines. BMJ. 2015 Jun 08; 350:h3091. PMID: 26055277.
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    47. Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The Employee Absenteeism Costs of Rheumatoid Arthritis: Evidence From US National Survey Data. J Occup Environ Med. 2015 Jun; 57(6):635-42. PMID: 26053366.
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    48. Ladapo JA, Goldfeld KS, Douglas PS. Projected morbidity and mortality from missed diagnoses of coronary artery disease in the United States. Int J Cardiol. 2015 Sep 15; 195:250-2. PMID: 26048387.
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    49. Williams BA, Ladapo JA, Merhige ME. External validation of models for estimating pretest probability of coronary artery disease among individuals undergoing myocardial perfusion imaging. Int J Cardiol. 2015 Mar 01; 182:534-40. PMID: 25665971.
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    50. Ladapo JA, Blecker S, Douglas PS. Physician decision making and trends in the use of cardiac stress testing in the United States: an analysis of repeated cross-sectional data. Ann Intern Med. 2014 Oct 07; 161(7):482-90. PMID: 25285541.
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    51. Ladapo JA, Blecker S, Douglas PS. Summaries for patients. Trends in the use of stress testing to diagnose coronary heart disease. Ann Intern Med. 2014 Oct 07; 161(7):I-28. PMID: 25285558.
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    52. Blecker S, Ladapo JA, Doran KM, Goldfeld KS, Katz S. Emergency department visits for heart failure and subsequent hospitalization or observation unit admission. Am Heart J. 2014 Dec; 168(6):901-8.e1. PMID: 25458654.
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    53. Cole H, Schoenthaler A, Braithwaite RS, Ladapo J, Mentor S, Uyei J, Trinh-Shevrin C. Community-based settings and sampling strategies: implications for reducing racial health disparities among black men, New York City, 2010-2013. Prev Chronic Dis. 2014 Jun 19; 11:E105. PMID: 24945237.
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    54. Ye S, Shaffer JA, Rieckmann N, Schwartz JE, Kronish IM, Ladapo JA, Whang W, Burg MM, Davidson KW. Long-term outcomes of enhanced depression treatment in patients with acute coronary syndromes. Am J Med. 2014 Oct; 127(10):1012-6. PMID: 24835038.
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    55. Ladapo JA, Lyons H, Yau M, Rich P, Newton D, Bruce-Mensah K, Johnson A, Zhou Y, Stemkowski S, Monane M. Enhanced assessment of chest pain and related symptoms in the primary care setting through the use of a novel personalized medicine genomic test: results from a prospective registry study. Am J Med Qual. 2015 Jul-Aug; 30(4):345-52. PMID: 24798176.
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    56. Ladapo JA, Elliott MN, Kanouse DE, Tortolero SR, Windle M, Cuccaro PM, Davies SL, Schuster MA. Tobacco use and smoking intentions among U.S. fifth-grade students. J Adolesc Health. 2014 Sep; 55(3):445-51. PMID: 24794053.
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    57. Hochheiser LI, Juusola JL, Monane M, Ladapo JA. Economic utility of a blood-based genomic test for the assessment of patients with symptoms suggestive of obstructive coronary artery disease. Popul Health Manag. 2014 Oct; 17(5):287-96. PMID: 24568603.
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    58. Phelps CE, O'Sullivan AK, Ladapo JA, Weinstein MC, Leahy K, Douglas PS. Cost effectiveness of a gene expression score and myocardial perfusion imaging for diagnosis of coronary artery disease. Am Heart J. 2014 May; 167(5):697-706.e2. PMID: 24766980.
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    59. Ladapo JA, Ogedegbe G. Do black patients with chronic kidney disease benefit equally from all blood pressure lowering agents? BMJ. 2014 Jan 15; 348:g142. PMID: 24429920.
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    60. Ladapo JA, Blecker S, Elashoff MR, Federspiel JJ, Vieira DL, Sharma G, Monane M, Rosenberg S, Phelps CE, Douglas PS. Clinical implications of referral bias in the diagnostic performance of exercise testing for coronary artery disease. J Am Heart Assoc. 2013 Dec 13; 2(6):e000505. PMID: 24334965.
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    61. Ladapo JA, Goldfeld KS. Statistical uncertainty in 10-year Framingham risk of coronary heart disease and cardiovascular disease. J Am Coll Cardiol. 2014 Feb 04; 63(4):377-8. PMID: 24161330.
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    62. Ladapo JA, Rodwin BA, Ryan AM, Trasande L, Blustein J. Scientific publications on firearms in youth before and after Congressional action prohibiting federal research funding. JAMA. 2013 Aug 07; 310(5):532-4. PMID: 23925624.
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    63. Davidson KW, Bigger JT, Burg MM, Carney RM, Chaplin WF, Czajkowski S, Dornelas E, Duer-Hefele J, Frasure-Smith N, Freedland KE, Haas DC, Jaffe AS, Ladapo JA, Lespérance F, Medina V, Newman JD, Osorio GA, Parsons F, Schwartz JE, Shaffer JA, Shapiro PA, Sheps DS, Vaccarino V, Whang W, Ye S. Centralized, stepped, patient preference-based treatment for patients with post-acute coronary syndrome depression: CODIACS vanguard randomized controlled trial. JAMA Intern Med. 2013 Jun 10; 173(11):997-1004. PMID: 23471421.
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    64. Rodwin BA, Spruill TM, Ladapo JA. Economics of psychosocial factors in patients with cardiovascular disease. Prog Cardiovasc Dis. 2013 May-Jun; 55(6):563-73. PMID: 23621966.
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    65. Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The employee absenteeism costs of inflammatory bowel disease: evidence from US National Survey Data. J Occup Environ Med. 2013 Apr; 55(4):393-401. PMID: 23232289.
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    66. Thomas GS, Voros S, McPherson JA, Lansky AJ, Winn ME, Bateman TM, Elashoff MR, Lieu HD, Johnson AM, Daniels SE, Ladapo JA, Phelps CE, Douglas PS, Rosenberg S. A blood-based gene expression test for obstructive coronary artery disease tested in symptomatic nondiabetic patients referred for myocardial perfusion imaging the COMPASS study. Circ Cardiovasc Genet. 2013 Apr; 6(2):154-62. PMID: 23418288.
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    67. Ladapo JA, Elliott MN, Bogart LM, Kanouse DE, Vestal KD, Klein DJ, Ratner JA, Schuster MA. Cost of talking parents, healthy teens: a worksite-based intervention to promote parent-adolescent sexual health communication. J Adolesc Health. 2013 Nov; 53(5):595-601. PMID: 23406890.
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    68. Lala A, Berger JS, Sharma G, Hochman JS, Scott Braithwaite R, Ladapo JA. Genetic testing in patients with acute coronary syndrome undergoing percutaneous coronary intervention: a cost-effectiveness analysis. J Thromb Haemost. 2013 Jan; 11(1):81-91. PMID: 23137413.
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    69. Ladapo JA, Shaffer JA, Fang Y, Ye S, Davidson KW. Cost-effectiveness of enhanced depression care after acute coronary syndrome: results from the Coronary Psychosocial Evaluation Studies randomized controlled trial. Arch Intern Med. 2012 Nov 26; 172(21):1682-4. PMID: 23070196.
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    70. Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Lofland JH. Direct health care insurer and out-of-pocket expenditures of inflammatory bowel disease: evidence from a US national survey. Dig Dis Sci. 2012 Dec; 57(12):3080-91. PMID: 22790905.
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    71. Hao SC, Hunter TD, Gunnarsson C, March JL, White SA, Ladapo JA, Reynolds MR. Acute safety outcomes in younger and older patients with atrial fibrillation treated with catheter ablation. J Interv Card Electrophysiol. 2012 Nov; 35(2):173-82. PMID: 22714547.
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    72. Lee J, Kothari R, Ladapo JA, Scott DJ, Celi LA. Interrogating a clinical database to study treatment of hypotension in the critically ill. BMJ Open. 2012; 2(3). PMID: 22685222.
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    73. Ladapo JA, Douglas P. Evaluation for coronary artery disease and medicare spending. JAMA. 2012 Mar 07; 307(9):911; author reply 912. PMID: 22396506.
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    74. Ladapo JA, Kymes SM, Ladapo JA, Nwosu VC, Pasquale LR. Projected clinical outcomes of glaucoma screening in African American individuals. Arch Ophthalmol. 2012 Mar; 130(3):365-72. PMID: 22411665.
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    75. Reynolds MR, Gunnarsson CL, Hunter TD, Ladapo JA, March JL, Zhang M, Hao SC. Health outcomes with catheter ablation or antiarrhythmic drug therapy in atrial fibrillation: results of a propensity-matched analysis. Circ Cardiovasc Qual Outcomes. 2012 Mar 01; 5(2):171-81. PMID: 22373904.
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    76. Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The direct healthcare insurer and out-of-pocket expenditures of psoriasis: evidence from a United States national survey. J Dermatolog Treat. 2012 Aug; 23(4):240-54. PMID: 21801089.
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    77. Ladapo JA, David G, Gunnarsson CL, Hao SC, White SA, March JL, Reynolds MR. Healthcare utilization and expenditures in patients with atrial fibrillation treated with catheter ablation. J Cardiovasc Electrophysiol. 2012 Jan; 23(1):1-8. PMID: 21777324.
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    78. Goehler A, Ollendorf DA, Jaeger M, Ladapo J, Neumann T, Gazelle GS, Pearson SD. A simulation model of clinical and economic outcomes of cardiac CT triage of patients with acute chest pain in the emergency department. AJR Am J Roentgenol. 2011 Apr; 196(4):853-61. PMID: 21427336.
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    79. Ladapo JA, Jaffer FA, Weinstein MC, Froelicher ES. Projected cost-effectiveness of smoking cessation interventions in patients hospitalized with myocardial infarction. Arch Intern Med. 2011 Jan 10; 171(1):39-45. PMID: 21220659.
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    80. Pilz G, Patel PA, Fell U, Ladapo JA, Rizzo JA, Fang H, Gunnarsson C, Heer T, Hoefling B. Adenosine-stress cardiac magnetic resonance imaging in suspected coronary artery disease: a net cost analysis and reimbursement implications. Int J Cardiovasc Imaging. 2011 Jan; 27(1):113-21. PMID: 20524070.
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    81. Fullum TM, Ladapo JA, Borah BJ, Gunnarsson CL. Comparison of the clinical and economic outcomes between open and minimally invasive appendectomy and colectomy: evidence from a large commercial payer database. Surg Endosc. 2010 Apr; 24(4):845-53. PMID: 19730950.
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    82. Ladapo JA, Jaffer FA, Hoffmann U, Thomson CC, Bamberg F, Dec W, Cutler DM, Weinstein MC, Gazelle GS. Clinical outcomes and cost-effectiveness of coronary computed tomography angiography in the evaluation of patients with chest pain. J Am Coll Cardiol. 2009 Dec 15; 54(25):2409-22. PMID: 20082932.
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    83. Ladapo JA, Horwitz JR, Weinstein MC, Gazelle GS, Cutler DM. Adoption and spread of new imaging technology: a case study. Health Aff (Millwood). 2009 Nov-Dec; 28(6):w1122-32. PMID: 19828487.
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    84. Warren L, Ladapo JA, Borah BJ, Gunnarsson CL. Open abdominal versus laparoscopic and vaginal hysterectomy: analysis of a large United States payer measuring quality and cost of care. J Minim Invasive Gynecol. 2009 Sep-Oct; 16(5):581-8. PMID: 19835801.
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    85. Prosser LA, Ladapo JA, Rusinak D, Waisbren SE. Parental tolerance of false-positive newborn screening results. Arch Pediatr Adolesc Med. 2008 Sep; 162(9):870-6. PMID: 18762606.
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    86. Ladapo JA, Hoffmann U, Bamberg F, Nagurney JT, Cutler DM, Weinstein MC, Gazelle GS. Cost-effectiveness of coronary MDCT in the triage of patients with acute chest pain. AJR Am J Roentgenol. 2008 Aug; 191(2):455-63. PMID: 18647917.
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    87. Ladapo JA, Neumann PJ, Keren R, Prosser LA. Valuing children's health: a comparison of cost-utility analyses for adult and paediatric health interventions in the US. Pharmacoeconomics. 2007; 25(10):817-28. PMID: 17887804.
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    88. Sobol RW, Watson DE, Nakamura J, Yakes FM, Hou E, Horton JK, Ladapo J, Van Houten B, Swenberg JA, Tindall KR, Samson LD, Wilson SH. Mutations associated with base excision repair deficiency and methylation-induced genotoxic stress. Proc Natl Acad Sci U S A. 2002 May 14; 99(10):6860-5. PMID: 11983862.
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    89. Nwosu VC, Ladapo JA. Antibiotic response and plasmid profile of bacteria isolated from a landfill. Curr Microbiol. 1999 Nov; 39(5):249-53. PMID: 10489432.
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