Research Topics
Species | L Keoki WilliamsSummaryAffiliation: Henry Ford Hospital Country: USA Publications
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Publications
Quantifying the proportion of severe asthma exacerbations attributable to inhaled corticosteroid nonadherenceL Keoki Williams
Center for Health Services Research, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 128:1185-1191.e2. 2011..Asthma is an inflammatory condition often punctuated by episodic symptomatic worsening, and accordingly, patients with asthma might have waxing and waning adherence to controller therapy...
A simulation model approach to analysis of the business case for eliminating health care disparitiesDavid R Nerenz
Center for Health Services Research, Henry Ford Health System, Detroit, MI, USA
BMC Med Res Methodol 11:31. 2011..A need exists to develop a compelling "business case" from the employer perspective to put, and keep, the issue of racial/ethnic disparities in health care on the quality improvement agenda for health plans and providers...
Relationship between adherence to inhaled corticosteroids and poor outcomes among adults with asthmaL Keoki Williams
Department of Internal Medicine, Henry Ford Health System, Detoit, MI 48202, USA
J Allergy Clin Immunol 114:1288-93. 2004..However, overall adherence is poor among patients with asthma. Objective To estimate the proportion of poor asthma-related outcomes attributable to ICS nonadherence...
Race-ethnicity, crime, and other factors associated with adherence to inhaled corticosteroidsL Keoki Williams
Department of Internal Medicine, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 119:168-75. 2007..Environmental stressors, such as crime exposure, which has been associated with asthma morbidity, might also predict ICS adherence...
A cluster-randomized trial to provide clinicians inhaled corticosteroid adherence information for their patients with asthmaL Keoki Williams
Center for Health Services Research, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 126:225-31, 231.e1-4. 2010..Inhaled corticosteroid (ICS) nonadherence is common among patients with asthma; however, interventions to improve adherence have often been complex and not easily applied to large patient populations...
Timing and intensity of early fevers and the development of allergies and asthmaL Keoki Williams
Department of Internal Medicine, Center for Health Services Research, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 116:102-8. 2005..Early childhood fevers appear to protect against later allergies and asthma. What is not known is the time in which fevers exert this effect and whether the degree of temperature increase is important...
The role of endotoxin and its receptors in allergic diseaseL Keoki Williams
Department of Internal Medicine, Henry Ford Health System, Detroit, Michigan 48202, USA
Ann Allergy Asthma Immunol 94:323-32. 2005..To summarize the existing literature on the association of endotoxin with respiratory diseases and allergic sensitization and to review the potentially modifying effects of endotoxin receptor polymorphisms...
Gene-environment interactions between CD14 C-260T and endotoxin exposure on Foxp3+ and Foxp3- CD4+ lymphocyte numbers and total serum IgE levels in early childhoodL Keoki Williams
Department of Internal Medicine, Henry Ford Health System, Detroit, Michigan 48202, USA
Ann Allergy Asthma Immunol 100:128-36. 2008..Previously, we described gene-environment interactions between the endotoxin receptor polymorphism C-260T of the CD14 gene and endotoxin exposure on total serum IgE level; however, the mechanism of this interaction is not known...
Patients with asthma who do not fill their inhaled corticosteroids: a study of primary nonadherenceL Keoki Williams
Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, USA
J Allergy Clin Immunol 120:1153-9. 2007..Adherence to inhaled corticosteroids (ICSs) is known to be poor among patients with asthma; however, little is known about patients who do not fill their ICS prescriptions (ie, primary nonadherence)...
Gene-environment interactions with CD14 C-260T and their relationship to total serum IgE levels in adultsL Keoki Williams
Department of Internal Medicine, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 118:851-7. 2006..Furred pets might also influence IgE levels through their effects on endotoxin levels. However, how these factors interact to influence total IgE levels is not well known, especially in adults...
Differences in the reporting of care-related patient injuries to existing reporting systemsL Keoki Williams
Department of Internal Medicine, Division of General Medicine, Henry Ford Hospital, Detroit, USA
Jt Comm J Qual Saf 29:460-7. 2003..This study compared the number of care-related injuries reported to the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) with the number reported to 15 mandatory-reporting states...
Differences in allergic sensitization by self-reported race and genetic ancestryJames J Yang
Department of Biostatistics and Research Epidemiology, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 122:820-827.e9. 2008..Many allergic conditions occur more frequently in African American patients when compared with white patients; however, it is not known whether this represents genetic predisposition or disparate environmental exposures...
Race-ethnic differences in factors associated with inhaled steroid adherence among adults with asthmaKaren Wells
Department of Biostatistics and Research Epidemiology, Henry Ford Hospital, Detroit, MI 48202, USA
Am J Respir Crit Care Med 178:1194-201. 2008..Adherence to inhaled corticosteroid (ICS) medication is known to be low overall, but tends to be lower among African-American patients when compared with white patients...
Antibiotic exposure in early infancy and risk for childhood atopyChristine Cole Johnson
Department of Biostatistics and Research Epidemiology, Henry Ford Health System, 1 Ford Place 5C, Detroit, MI 48202, USA
J Allergy Clin Immunol 115:1218-24. 2005..The increase in pediatric allergy and asthma parallels the increase in use of antibiotics. Antibiotics disturb the flora of the gastrointestinal tract, possibly perturbing the developing immune system...
Breastfeeding history and childhood allergic status in a prospective birth cohortGanesa Wegienka
Department of Biostatistics and Research Epidemiology, Henry Ford Health System, Detroit, Michigan 48202, USA
Ann Allergy Asthma Immunol 97:78-83. 2006..Breastfeeding provides the best possible nutrition for newborns, but its role in the development of allergies is complex...
Identifying students with self-report of asthma and respiratory symptoms in an urban, high school settingChristine L M Joseph
Department of Biostatistics and Research Epidemiology, Detroit, MI 48202, USA
J Urban Health 84:60-9. 2007..Itemized expenses are presented to facilitate modifications to reduce costs. This information may benefit providers, researchers, or administrators targeting similar populations...
The relationship between combination inhaled corticosteroid and long-acting β-agonist use and severe asthma exacerbations in a diverse populationKaren E Wells
Department of Public Health Sciences, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 129:1274-1279.e2. 2012..Safety concerns surround the use of long-acting β-agonists (LABAs) for the treatment of asthma, even in combination with inhaled corticosteroids (ICSs) and particularly in high-risk subgroups...
Dual-specificity phosphatase 1 as a pharmacogenetic modifier of inhaled steroid response among asthmatic patientsYing Jin
Center for Health Services Research, Henry Ford Health System, Detroit, Mich Wayne State University School of Medicine, Detroit, Mich 48202, USA
J Allergy Clin Immunol 126:618-25.e1-2. 2010..Dual-specificity phosphatase 1 (DUSP1) appears to mediate the anti-inflammatory action of corticosteroids...
Relationship between thiazolidinedione use and cardiovascular outcomes and all-cause mortality among patients with diabetes: a time-updated propensity analysisZeina A Habib
Department of Internal Medicine, Henry Ford Hospital, Detroit, MI 48202, USA
Pharmacoepidemiol Drug Saf 18:437-47. 2009....
Thiazolidinedione use and the longitudinal risk of fractures in patients with type 2 diabetes mellitusZeina A Habib
Center for Health Services Research, Henry Ford Health System, 1 Ford Place, 3A Center for Health Services Research, Detroit, Michigan 48202, USA
J Clin Endocrinol Metab 95:592-600. 2010..Clinicians should be aware of this association when considering TZD therapy so as to appropriately manage and counsel their patients...
Comparison of renal predictors for in-hospital and postdischarge mortality after hospitalized heart failureGurjit Singh
Heart and Vascular Institute, Henry Ford Hospital, Detroit, Michigan 48202, USA
J Cardiovasc Med (Hagerstown) 13:246-53. 2012..Abnormal baseline and acutely worsening renal function (WRF) during heart failure hospitalization are associated with worse outcomes. However, which renal criterion is most predictive of in-hospital and postdischarge mortality is uncertain...
Long-term effects of obesity on employment and work limitations among U.S. Adults, 1986 to 1999Kaan Tunceli
Center for Health Services Research, Henry Ford Health System, Detroit, Michigan, USA
Obesity (Silver Spring) 14:1637-46. 2006..To determine the relationships between BMI and workforce participation and the presence of work limitations in a U.S. working-age population...
Trends in lipid management among patients with diabetesKaan Tunceli
Center for Health Services Research, Henry Ford Health System, Detroit, Michigan 48202, USA
Endocr Pract 12:380-7. 2006..Particular attention may be warranted to ensure that patients with diabetes receive lipid-lowering agents not only after a cardiovascular event but also before such an event occurs...
Multicenter cluster-randomized trial of a multifactorial intervention to improve antihypertensive medication adherence and blood pressure control among patients at high cardiovascular risk (the COM99 study)Manel Pladevall
Center for Health Services Research, Henry Ford Hospital, One Ford Place 3A, Detroit, MI, USA
Circulation 122:1183-91. 2010..This study assessed the effectiveness of a multifactorial intervention to improve both medication adherence and blood pressure control and to reduce cardiovascular events...
Relationship between recent short-acting beta-agonist use and subsequent asthma exacerbationsJason Paris
Department of Internal Medicine, Henry Ford Hospital, Detroit, Michigan 48202, USA
Ann Allergy Asthma Immunol 101:482-7. 2008..US national guidelines recommend assessing short-acting beta-agonist (SABA) medication use as a marker of asthma severity and control. However, the relationship between recent SABA use and asthma exacerbations is not currently known...
Association of β-blocker exposure with outcomes in heart failure differs between African American and white patientsDavid E Lanfear
Heart and Vascular Institute, Henry Ford Hospital, Detroit, MI 48202, USA
Circ Heart Fail 5:202-8. 2012..Blockers (BB) are a mainstay of heart failure (HF) treatment, yet there are inconclusive data regarding their efficacy in African American individuals...
The relationship between early fever and allergic sensitization at age 6 to 7 yearsL Keoki Williams
Division of General Medicine, Department of Internal Medicine, Detroit, Mich, USA
J Allergy Clin Immunol 113:291-6. 2004..55; 95% CI, 0.31-0.97) per episode. CONCLUSION: This study provides direct support for the hygiene hypothesis because children with fevers before age 1 year were less likely to demonstrate allergic sensitivity at age 6 to 7 years...
Genetic ancestry and its association with asthma exacerbations among African American subjects with asthmaJennifer A Rumpel
Department of Internal Medicine, Henry Ford Health System, Detroit, MI, USA
J Allergy Clin Immunol 130:1302-6. 2012..It is unclear whether this increased risk solely represents differences in environmental exposures and health care or whether there is a predisposing genetic component...
Applying epidemiologic concepts of primary, secondary, and tertiary prevention to the elimination of racial disparities in asthmaChristine L M Joseph
Department of Biostatistics and Research Epidemiology, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 117:233-40; quiz 241-2. 2006..Once causative factors at each level of disease prevention are understood, this knowledge can be translated into clinical practice and public health policy...
Effect of ezetimibe on major atherosclerotic disease events and all-cause mortalitySami Hayek
Department of Internal Medicine, Henry Ford Health System, Detroit, Michigan
Am J Cardiol 111:532-9. 2013..In conclusion, ezetimibe appeared to have a protective effect on major AD events and all-cause death that was not significantly different from that observed for statin use...
Improving asthma care through recertification: a cluster randomized trialJan Simpkins
Center for Health Services Research, Henry Ford Hospital, One Ford Place, Detroit, MI 48202, USA
Arch Intern Med 167:2240-8. 2007..We assessed whether completing an asthma-specific PIM resulted in improved patient outcomes...
Clinical outcomes and adherence to medications measured by claims data in patients with diabetesManel Pladevall
Center for Health Services Research, Henry Ford Health System, One Ford Place, Suite 3A, Detroit, Michigan 48202, USA
Diabetes Care 27:2800-5. 2004..The present study was conducted to determine whether pharmacy claims-based measures of medication adherence are associated with clinical outcomes in patients with diabetes...
The impact of diabetes on employment and work productivityKaan Tunceli
Center for Health Services Research, Henry Ford Health System, Detroit, MI 48202, USA
Diabetes Care 28:2662-7. 2005..The purpose of this study was to longitudinally examine the effect of diabetes on labor market outcomes...
Patient-physician colorectal cancer screening discussions and screening useJennifer Elston Lafata
Center for Health Services Research, Henry Ford Health System, Detroit, Michigan 48202, USA
Am J Prev Med 31:202-9. 2006..Analyses conducted in 2004-2005 of patient-physician CRC screening discussion content and its association with screening use are described...
Comparison of Beta-blocker effectiveness in heart failure patients with preserved ejection fraction versus those with reduced ejection fractionMostafa El-Refai
Department of Internal Medicine, Henry Ford Hospital, Detroit, Michigan
J Card Fail 19:73-9. 2013..The aim of this study was to compare the benefit of beta-blockers (BB) in heart failure (HF) with preserved versus reduced ejection fraction (EF)...
Asthma medication adherence: the role of God and other health locus of control factorsBrian K Ahmedani
Center for Health Policy and Health Services Research, Henry Ford Health System, Detroit, Michigan Electronic address
Ann Allergy Asthma Immunol 110:75-79.e2. 2013..Although several predictors of non-adherence have been assessed, more research is needed on patients' beliefs about God and how these relate to medication use...
Comparing methods for identifying patients with heart failure using electronic data sourcesFadi Alqaisi
Henry Ford Heart and Vascular Institute, Henry Ford Hospital, 2799 W, Grand Blvd, Detroit, MI 48202, USA
BMC Health Serv Res 9:237. 2009..Yet, there are few comparisons of the various claims data criteria (also known as claims signatures) for identifying HF patients. We compared various HF claim signatures to assess their relative accuracy...
Long-term projections for diabetes-related work loss and limitations among U.S. adultsKaan Tunceli
Center for Health Services Research, Henry Ford Hospital, Detroit, MI 48202, USA
Diabetes Res Clin Pract 83:e23-5. 2009..In the year 2050 an estimated 1.46 million U.S. adults will not be working; 597,000 will be work disabled; and 780,000 will have work limitations as a result of diabetes...
Relation of worsened renal function during hospitalization for heart failure to long-term outcomes and rehospitalizationDavid E Lanfear
Heart and Vascular Institute, Henry Ford Hospital, Detroit, Michigan, USA
Am J Cardiol 107:74-8. 2011..09, 95% CI 0.96 to 1.24). In conclusion, in patients surviving hospitalization for HF, WRF was associated with increased long-term mortality and rehospitalization, particularly if renal function did not recover by the time of discharge...
Factors predicting inhaled corticosteroid responsiveness in African American patients with asthmaWendy Gould
Department of Internal Medicine, Henry Ford Health System, Detroit, MI 48202, USA
J Allergy Clin Immunol 126:1131-8. 2010..African American patients disproportionately experience uncontrolled asthma. Treatment with an inhaled corticosteroid (ICS) is considered first-line therapy for persistent asthma...
Colorectal carcinoma screening procedure use among primary care patientsJennifer Elston Lafata
Center for Health Services Research, Henry Ford Health System, Detroit, Michigan 48202, USA
Cancer 104:1356-61. 2005..The authors estimated the annual and 5-year colorectal carcinoma screening procedure use among a cohort of primary care patients and evaluated the correlation between patient characteristics and the use of screening procedures...
Two ATS recommended protocols for administration of methacholine are not equalRobert R Burke
Henry Ford Health System, Division of Pulmonary and Critical Care Medicine, Detroit, Michigan 48202, USA
J Asthma 46:740-4. 2009..Recent data has disputed this assertion. We examined the differences in the diagnosis of asthma using these two methods...
The association between leptin and left ventricular hypertrophy: a population-based cross-sectional studyManel Pladevall
Center for Health Services Research, Henry Ford Health System, Detroit, Michigan, USA corrected
J Hypertens 21:1467-73. 2003..This study examines whether leptin levels, independent of body mass and insulin resistance, are a risk factor for hypertension and left ventricular hypertrophy...
Environmental epidemiology of pediatric asthma and allergyChristine Cole Johnson
Department of Biostatistics and Research Epidemiology, Henry Ford Health System, Detroit, MI, USA
Epidemiol Rev 24:154-75. 2002
A single factor underlies the metabolic syndrome: a confirmatory factor analysisManel Pladevall
Henry Ford Health System, Center for Health Services Research, One Ford Place, Suite 3A, Detroit, Michigan 48202, USA
Diabetes Care 29:113-22. 2006..Confirmatory factor analysis (CFA) was used to test the hypothesis that the components of the metabolic syndrome are manifestations of a single common factor...
Adherence analysis using visual analog scale versus claims-based estimationDavid P Nau
College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA
Ann Pharmacother 41:1792-7. 2007..Although visual analog scales (VAS) have been used frequently in outcomes research, there is little evidence regarding the validity of this scale for measuring medication adherence...
An african-specific functional polymorphism in KCNMB1 shows sex-specific association with asthma severityMax A Seibold
Department of Medicine, University of California San Francisco, San Francisco, CA 94143 2911, USA
Hum Mol Genet 17:2681-90. 2008..Female asthmatics may be insulated from the deleterious effects of the 818T allele by estrogen-mediated upregulation in BK channel activity...
Relationship between extremely low total serum IgE levels and rhinosinusitisTodd A Levin
Section of Allergy and Immunology, Medical College of Georgia, Augusta, Georgia 30912, USA
Ann Allergy Asthma Immunol 97:650-2. 2006..3% vs 15.8%; P = .34). CONCLUSIONS: Low serum IgE levels were relatively common in these pregnant women. In contrast to previous studies, a low IgE level was not associated with chronic rhinosinusitis...
Inhaled corticosteroids and augmented bronchodilator responsiveness in Latino and African American asthmatic patientsMariam Naqvi
University of California, San Francisco, California 94143 2911, USA
Ann Allergy Asthma Immunol 100:551-7. 2008....
The relationship between seroatopy and symptoms of either allergic rhinitis or asthmaChristina M Abraham
Section of Allergy and Immunology, Medical College of Georgia, Augusta, GA 30912, USA
J Allergy Clin Immunol 119:1099-104. 2007..Epidemiologic data on allergic rhinitis and asthma are frequently based on self-reported symptoms...
The relationship of physical activity and percentage of body fat to the risk of asthma in 8- to 10-year-old childrenDennis R Ownby
Department of Pediatrics, Medical College of Georgia, Augusta, Georgia 30912 3790, USA
J Asthma 44:885-9. 2007..24 (95% CI 1.01-1.52, p = 0.045). Higher levels of physical activity were related to more diagnosed asthma...
An outbreak of travel-associated Legionnaires disease and Pontiac fever: the need for enhanced surveillance of travel-associated legionellosis in the United StatesAndrea L Benin
Epidemic Intelligence Service, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
J Infect Dis 185:237-43. 2002..001) and IgM seropositivity (P=.007). New laboratory techniques facilitate outbreak investigation; to expedite outbreak interruption and measure the impact of travel-associated legionellosis, surveillance must be improved...
Research Grants
- THE CLINICAL EFFECTIVENESS OF PHARMACY ADHERENCE INFORMATION FOR DIABETES CONTROLKeoki Williams; Fiscal Year: 2010..Analyses will control for cluster randomization effects. The introduction of sustainable medication adherence monitoring in clinical practice holds great potential to improve health outcomes among patients with diabetes. ..
- PHARMACOGENOMICS OF INHALED CORTICOSTEROID RESPONSIVENESS IN PATIENTS WITH ASTHMAKeoki Williams; Fiscal Year: 2010..Knowledge gained from this study may help clinicians select asthma treatments most likely to work for their patients, as well as provide insight for future asthma therapeutics. ..
- USING INFORMATION TECHNOLOGY TO IMPROVE ASTHMA ADHERENCEKeoki Williams; Fiscal Year: 2007..abstract_text> ..
- Mechanism of Endotoxin's Effect On Allergy RiskKeoki Williams; Fiscal Year: 2007..It is the hoped that understanding the mechanism of endotoxin's effect will establish new targets for the prevention of allergies. ..
- PHARMACOGENOMICS OF INHALED CORTICOSTEROID RESPONSIVENESS IN PATIENTS WITH ASTHMAKeoki Williams; Fiscal Year: 2009..Knowledge gained from this study may help clinicians select asthma treatments most likely to work for their patients, as well as provide insight for future asthma therapeutics. ..
