Research Topics
| Sheldon GreenfieldSummaryAffiliation: University of California Country: USA Publications
Research Grants
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Detail Information
Publications
Evaluating quality improvementSheldon Greenfield
Center for Health Policy Research, Department of Medicine, 111 Academy, Suite 220, Irvine, CA 92697, USA
Pediatrics 120:1131-2. 2007
Heterogeneity of treatment effects: implications for guidelines, payment, and quality assessmentSheldon Greenfield
Center for Health Policy Research, Department of Medicine, University of California Irvine School of Medicine, Irvine, California 92697 5800, USA
Am J Med 120:S3-9. 2007..We also examine strategies for understanding and managing HTE in practice, to increase the usefulness of trial results...
Comorbidity affects the relationship between glycemic control and cardiovascular outcomes in diabetes: a cohort studySheldon Greenfield
University of California Irvine, Irvine, California, USA
Ann Intern Med 151:854-60. 2009..Recent studies have shown mixed results regarding the effectiveness of intensive glucose-lowering therapy in reducing risk for cardiovascular events...
Who can respond to treatment? Identifying patient characteristics related to heterogeneity of treatment effectsSherrie H Kaplan
Health Policy Research Institute, Department of Medicine, University of California, Irvine, CA 92697, USA
Med Care 48:S9-16. 2010..Interest in comparative effectiveness research and the rising number of negative or "small effect" trials have stimulated research into differential response to treatment among subgroups of patients...
Patient complexity and risk factor control among multimorbid patients with type 2 diabetes: results from the R2D2C2 studyShaista Malik
Department of Medicine, Division of Cardiology, University of California, Irvine, CA, USA
Med Care 51:180-5. 2013..Among patients with type 2 diabetes, it is not known whether risk factor control is better or worse for those who also have heart disease, depression, multiple other comorbidities, and associated management challenges...
The effects of financial pressures on adherence and glucose control among racial/ethnically diverse patients with diabetesQuyen Ngo-Metzger
Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California Irvine, CA, USA
J Gen Intern Med 27:432-7. 2012..The Affordable Care Act is designed to decrease the numbers of uninsured patients in U.S. However, even with insurance, patients who have financial hardships may have difficulty obtaining their medications because of cost issues...
Improving the reliability of physician performance assessment: identifying the "physician effect" on quality and creating composite measuresSherrie H Kaplan
Center for Health Policy Research and Department of Medicine, School of Medicine, University of California, Irvine, California 92697, USA
Med Care 47:378-87. 2009..The proliferation of efforts to assess physician performance underscore the need to improve the reliability of physician-level quality measures...
Overtreatment of men with low-risk prostate cancer and significant comorbidityTimothy J Daskivich
Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, California, USA
Cancer 117:2058-66. 2011..Men with low-risk prostate cancer and significant comorbidity are susceptible to overtreatment. The authors sought to compare the impact of comorbidity and age on treatment choice in men with low-risk disease...
Underdiagnosed and undertreated depression among racially/ethnically diverse patients with type 2 diabetesDara H Sorkin
Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California, Irvine, California, USA
Diabetes Care 34:598-600. 2011..To examine racial/ethnic differences in the prevalence of depressive symptoms and in provider recognition of depression among Latino, Asian, and non-Hispanic white patients with type 2 diabetes...
The Patient's role in reducing disparitiesSherrie H Kaplan
Center for Health Policy and Research, University of California, Irvine, Irvine, California 92697, USA
Ann Intern Med 141:222-3. 2004
Racial variations in the choice of on-pump versus off-pump coronary artery bypass graftingDana Mukamel
Department of Medicine, Center for Health Policy Research, University of California, Irvine, CA, USA
J Health Serv Res Policy 12:31-5. 2007..To examine explanations of differences in utilization rates of a newly reintroduced technique - off-pump coronary artery bypass grafting (CABG) - between racial minorities and Whites...
Regional differences in the use of sentinel lymph node biopsy for melanoma: a potential quality measureKaren Lane
Department of Surgery, University of California, Irvine, Orange, California 92868, USA
Am Surg 74:981-4. 2008..S. regions. Further studies need to address the reasons for these differences and target ways to improve rates. Results suggest that SLNB may be considered as a potential quality measure...
Preliminary validation of a patient-based self-assessment measure of severity of illness in type 2 diabetes: results from the pilot phase of the Veterans Health StudyMark Linzer
Department of Medicine, University of Wisconsin School of Medicine, Madison, WI 53705, USA
J Ambul Care Manage 28:167-76. 2005..After further testing, this case-mix measure may be suitable for controlling for severity of illness in ambulatory-based studies of diabetic patients with multiple chronic illnesses...
Providing high-quality care for limited English proficient patients: the importance of language concordance and interpreter useQuyen Ngo-Metzger
Division of General Internal Medicine and Primary Care and the Center for Health Policy Research, University of California, Irvine School of Medicine, Research, 111 Academy, Suite 220, Irvine, CA, USA
J Gen Intern Med 22:324-30. 2007..Provider-patient language discordance is related to worse quality care for limited English proficient (LEP) patients who speak Spanish. However, little is known about language barriers among LEP Asian-American patients...
Nutrition impacts the prevalence of peripheral arterial disease in the United StatesJohn S Lane
Department of Surgery, University of California, Irvine, Orange, Calif, USA
J Vasc Surg 48:897-904. 2008..Little attention has been paid to the role of dietary supplementation of specific nutrients in the prevention of PAD...
Assessment of prognosis with the total illness burden index for prostate cancer: aiding clinicians in treatment choiceMark S Litwin
Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
Cancer 109:1777-83. 2007..The authors adapted the Total Illness Burden Index (TIBI) for use in decision-making among men with prostate cancer at the time of the visit...
Are we ready to act on racial concordance?Sheldon Greenfield
Center for Health Policy Research, University of California, Irvine, 92697 5800, USA
J Public Health Policy 24:324-7. 2003
Better physician-patient relationships are associated with higher reported adherence to antiretroviral therapy in patients with HIV infectionJohn Schneider
Department of Medicine, University of Chicago, Ill, USA
J Gen Intern Med 19:1096-103. 2004..In addition, our data suggest that it is critical to investigate and incorporate patients' belief systems about antiretroviral therapy into adherence discussions, and to identify and treat mental disorders...
Selecting indicators for the quality of diabetes care at the health systems level in OECD countriesAntonio Nicolucci
Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, 66030 S Maria Imbaro CH, Italy
Int J Qual Health Care 18:26-30. 2006..In the context of the Organization for Economic Cooperation and Development (OECD) Quality Indicators Project, a set of quality indicators for diabetes care was developed, to be used for benchmarking the performance of health care systems...
Profiling care provided by different groups of physicians: effects of patient case-mix (bias) and physician-level clustering on quality assessment resultsSheldon Greenfield
Primary Care Outcomes Research Institute, Tufts University School of Medicine, M and V 1, 136 Harrison Avenue, Boston, MA 02111, USA
Ann Intern Med 136:111-21. 2002..Patient characteristics (case-mix bias) and physician-level variation (clustering) are often overlooked in profiling the quality of care provided by different groups of physicians, such as specialties...
Quality of diabetes care predicts the development of cardiovascular events: results of the QuED studyGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Via Nazionale 8 A, 66030 S Maria Imbaro CH, Italy
Nutr Metab Cardiovasc Dis 18:57-65. 2008..In the context of the QuED Study we assessed whether a quality of care summary score was able to predict the development of cardiovascular (CV) events in patients with type 2 diabetes...
Erectile dysfunction and quality of life in type 2 diabetic patients: a serious problem too often overlookedGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Via Nazionale, 66030 S. Maria Imbaro, Italy
Diabetes Care 25:284-91. 2002..Despite their relevance, sexual problems are seldom investigated by general practitioners and specialists...
Role of organizational factors in poor blood pressure control in patients with type 2 diabetes: the QuED Study Group--quality of care and outcomes in type 2 diabetesFabio Pellegrini
Department of Clinical Pharmacology and Epidemiology, Istituto di Recherche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Via Nazionale, 66030 S Maria Imbaro (CH, Italy
Arch Intern Med 163:473-80. 2003..CONCLUSION: In a model situation of comorbidity, the overall quality of care depends on structural and organizational factors, which are likely to be more influential than existing guidelines...
Identifying patients with type 2 diabetes with a higher likelihood of erectile dysfunction: the role of the interaction between clinical and psychological factorsGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, S. Maria Imbaro, Italy
J Urol 169:1422-8. 2003....
Quality of care and outcomes in type 2 diabetic patients: a comparison between general practice and diabetes clinicsGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, S. Maria Imbaro, Chieti, Italy
Diabetes Care 27:398-406. 2004..In the short term, care provided by DOCs was also associated with better intermediate outcome measures, such as total cholesterol levels...
Creating a culture of quality: the remarkable transformation of the department of Veterans Affairs Health Care SystemSheldon Greenfield
Ann Intern Med 141:316-8. 2004
Measuring quality of care in patients with multiple clinical conditions: summary of a conference conducted by the Society of General Internal MedicineRachel M Werner
Center for Health Equity Research and Promotion, Philadelphia VAMC, Philadelphia, PA, USA
J Gen Intern Med 22:1206-11. 2007..This research should evaluate the impact of quality measurement on these patients and expand the range of quality measures relevant to the care of clinically complex patients...
Impact of physicians' beliefs and practices on cholesterol levels in patients with type 2 diabetes: a longitudinal assessmentMonica Franciosi
Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Santa Maria Imbaro, Italy
Am Heart J 149:104-11. 2005..CONCLUSION: Our data show that physicians' beliefs in more aggressive management strategies will result in better mean TC values over a 3-year period...
Longitudinal assessment of quality of life in patients with type 2 diabetes and self-reported erectile dysfunctionGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Italy
Diabetes Care 28:2637-43. 2005..The study also shows that QoL tended to further decrease during 3 years in patients with ED at baseline but not in those without this condition...
Are Type 2 diabetic patients offered adequate foot care? The role of physician and patient characteristicsGiorgia De Berardis
Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, S Maria Imbaro, CH, Italy
J Diabetes Complications 19:319-27. 2005..Patient knowledge and practices are strongly related to physicians' attitudes...
Correlates of satisfaction for the relationship with their physician in type 2 diabetic patientsMonica Franciosi
Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Via Nazionale, S. Maria Imbaro, CH 66030, Italy
Diabetes Res Clin Pract 66:277-86. 2004..In deciding the best decision-making approach to adopt in individual patients, it is of primary importance to measure how the patient perceives and engages in relationships...
Research Grants
- Collaborative Clinical Culture and Quality of CareSheldon Greenfield; Fiscal Year: 2003..The results of this study will provide insight into whether HCTs are associated with high staff morale and high quality of care. ..
- Reducing Diabetes Disparities Using Community CoachesSheldon Greenfield; Fiscal Year: 2007..If the intervention is effective and feasible, it could serve as model for improving chronic disease care in minority communities in settings with limited resources. ..
