Research Topics
| B YawnSummaryAffiliation: University of Minnesota Country: USA Publications
Research Grants
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Detail Information
Publications
Identification of optimal electrocardiographic criteria for the diagnosis of unrecognized myocardial infarction: a population-based studyKhawaja Afzal Ammar
Department of Internal Medicine, Olmsted Medical Center, Rochester, MN 55904, USA
Ann Noninvasive Electrocardiol 10:197-205. 2005..We sought to evaluate the effect of ECG-MI criteria and study methodology on the prevalence of unrecognized myocardial infarction (UMI) and to identify the optimal ECG-MI criteria for UMI detection in epidemiologic studies...
A population-based study of school scoliosis screeningB P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minn 55904, USA
JAMA 282:1427-32. 1999..Although school-based screening programs for adolescent idiopathic scoliosis are mandated in 26 states in the United States, few program outcomes data exist regarding the effectiveness of such programs...
Time use during acute and chronic illness visits to a family physicianBarbara Yawn
Department of Research, Olmsted Medical Center, 210 Ninth Street SE, Rochester, MN 55904, USA
Fam Pract 20:474-7. 2003..To identify differences in time use during acute and chronic care visits...
Outcome results of a school-based screening program for undertreated asthmaBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
Ann Allergy Asthma Immunol 90:508-15. 2003..Guideline dissemination and clinician education have met with variable success. School-based identification of children with potentially undertreated asthma may provide an alternative strategy for improving asthma management in children...
The anatomy of asthma care visits in community family practiceBarbara Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
J Asthma 39:719-28. 2002..A better understanding of how time is spent during visits for asthma may facilitate the design of programs to enhance asthma disease management...
Are we ready for universal school-based asthma screening?: An outcomes evaluationBarbara P Yawn
Olmsted Medical Center, 210 Ninth St SE, Rochester, MN 55904, USA
Arch Pediatr Adolesc Med 156:1256-62. 2002..Asthma is the most common chronic condition of childhood and a common reason for school absenteeism and use of school health services. Unrecognized but symptomatic childhood asthma may be adding to this school burden...
Development and maintenance of a community-based hepatitis C registryBarbara P Yawn
Department of Clinical Research, Olmsted Medical Center, Rochester, MN 55904, USA
Am J Manag Care 8:253-61. 2002..To develop a model for community-population- or health system-based registries of all patients with diagnosed hepatitis C, to facilitate clinical care and epidemiologic studies...
Test-retest reproducibility of heart rate recovery after treadmill exerciseBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN 55904, USA
Ann Fam Med 1:236-41. 2003..Although HRR has been tested in large populations, the short-term test-retest stability (reproducibility) of abnormal HRR for an individual has not been assessed...
Ovarian carcinoma: care and survival in a community-based populationB P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
Clin Ther 23:146-59. 2001..Such studies may exclude patients who are not candidates for treatment and may not account for costs incurred during diagnosis or primary treatment...
Do rural and urban children have comparable asthma care utilization?B P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth St S E, Rochester, MN 55904, USA
J Rural Health 17:32-9. 2001..12 percent, P = 0.04). If given inhaled anti-inflammatory medication, rural children were more likely to receive inhaled steroids while urban children were more likely to receive cromoglycates...
Diagnosis and care of irritable bowel syndrome in a community-based populationB P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth Street SE, Rochester, MN 55904, USA
Am J Manag Care 7:585-92. 2001..To identify the healthcare utilization and evaluation in a community-based population with an incident diagnosis of irritable bowel syndrome (IBS)...
Is diabetes treated as an acute or chronic illness in community family practice?B Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
Diabetes Care 24:1390-6. 2001..A better understanding of how time is spent during outpatient visits for diabetes compared with visits for acute conditions and other chronic diseases may facilitate the design of programs to enhance diabetes care...
Do published guidelines for evaluation of irritable bowel syndrome reflect practice?B P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota, USA
BMC Gastroenterol 1:11. 2001..This study was designed to compare expert opinion guidelines with the actual primary care provided and to assess outcomes in the 3 years following the IBS diagnosis...
The gender specific frequency of risk factor and CHD diagnoses prior to incident MI: a community studyBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN, USA
BMC Fam Pract 8:18. 2007..Earlier recognition of CHD may be associated with higher levels of recognition and treatment of CHD risk factors that may delay incident AMI. To assess timing of CHD and CHD risk factor diagnoses prior to incident AMI...
COPD--the primary care perspective: addressing epidemiology, pathology, diagnosis, treatment of smoking's multiple morbidities and the patient's perspectiveBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN 55904, USA
COPD 4:67-83. 2007
Resource utilization in asthma: combined fluticasone propionate/salmeterol compared with inhaled corticosteroidsHoward S Friedman
Analytic Solutions, LLC, New York, NY 10012, USA
Curr Med Res Opin 23:427-34. 2007..The consequences of this variance from guideline recommendations are not well described...
Comparison of parent and student responses to asthma surveys: students grades 3-12 and their parents from a suburban private school settingBarbara P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth St SE, Rochester, MN 55904, USA
J Sch Health 76:241-5. 2006..The disparity in student and parent symptom reporting did not vary by age of the student. Students appear to provide the most sensitive measure of asthma-related problems...
Immediate and longer term impact of the varicella shortage on children 18 and 24 months of age in a community populationBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN, USA
BMC Fam Pract 7:51. 2006..And to compare the temporal trends in varicella vaccinations to trends of an older, more widely accepted vaccine, the MMR...
Silent pain sufferersEmmeline Watkins
Department of Epidemiology, AstraZeneca, Wilmington, Deleware, USA
Mayo Clin Proc 81:167-71. 2006..001). CONCLUSION: More than 1 in 5 people with chronic pain did not seek physician care for their pain. This group is unknown to physicians and therefore represents an unreported patient group with an unmet need for pain care...
Assessment of asthma severity and asthma control in childrenBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota, USA
Pediatrics 118:322-9. 2006....
Asthma among rural Minnesota adolescentsWendy M Brunner
Chronic Disease and Environmental Epidemiology Section, Minnesota Department of Health, St Paul, Minnesota 55440 9441, USA
J Asthma 42:787-92. 2005..Despite the apparent protective effect of farm residence, asthma remains a significant public health issue among rural Minnesota adolescents...
International Primary Care Respiratory Group (IPCRG) Guidelines: diagnosis of respiratory diseases in primary careMark L Levy
Division of Community Health Sciences GP section, University of Edinburgh, 20 West Richmond Street, Edinburgh EH8 9DX, UK
Prim Care Respir J 15:20-34. 2006..It uses a symptom-based approach, and includes original questionnaires and diagnostic guides to help the primary care clinician proceed systematically through the diagnostic process...
A community-based study of stroke incidence after myocardial infarctionBrandi J Witt
Mayo Clinic and Olmsted Medical Center, Rochester, Minnesota 55905, USA
Ann Intern Med 143:785-92. 2005..Stroke is associated with a large increase in the risk for death after MI...
Asthma screening, case identification and treatment in school-based programsBarbara P Yawn
Olmsted Medical Center and Department of Family and Community Health, University of Minnesota, Rochester, Minnesota 55904, USA
Curr Opin Pulm Med 12:23-7. 2006..In 2005, school-based asthma work focused on two areas: identification of unrecognized asthma and management of under-treated asthma...
Hepatitis C identification and management by family physiciansElizabeth C Clark
Department of Family Medicine, Roy J and Lucille A Carver College of Medicine, University of Iowa, 200 Hawkins Drive, 01293 F PFP, Iowa City, IA 52242, USA
Fam Med 37:644-9. 2005..Many people with hepatitis C receive all or most of their care from primary care physicians, yet little information exists about the practice patterns, knowledge, and beliefs and attitudes of family physicians related to hepatitis C...
Asthma treatment in a population-based cohort: putting step-up and step-down treatment changes in contextBarbara P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth St SE, Rochester, MN 55904, USA
Mayo Clin Proc 82:414-21. 2007..To assess the frequency and types of visits related to modifications in the intensity of asthma medications...
Knowledge and attitudes of family physicians coming to COPD continuing medical educationBarbara P Yawn
Olmsted Medical Center, Research Department, Rochester, MN 55904, USA
Int J Chron Obstruct Pulmon Dis 3:311-7. 2008..This survey explores the attitudes, beliefs, and knowledge related to COPD recognition, diagnosis, and treatment from family physicians and nurse practitioners (NPs) and physician assistants (PAs) working in primary care...
Screening for type 2 diabetes mellitus in adults: U.S. Preventive Services Task Force recommendation statementNed Calonge
Ann Intern Med 148:846-54. 2008..B recommendation) Current evidence is insufficient to assess the balance of benefits and harms of routine screening in asymptomatic adults with blood pressure of 135/80 mm Hg or lower. (I statement)...
A population in pain: report from the Olmsted County health studyEmmeline A Watkins
AstraZeneca, Department of Epidemiology, Wilmington, Delaware, USA
Pain Med 9:166-74. 2008..Pain is poorly understood on a population level. This study provides updated estimates of the prevalence, location, severity, and impact of pain in a U.S. community and discusses current definitions of "chronic" pain...
The potential biases in studying the relationship between asthma and microbial infectionYoung J Juhn
Mayo Clinic Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
J Asthma 44:827-32. 2007..To assess bias in parent reports of asthma status of children and detection bias of medical records-based asthma ascertainment and to examine effects of such bias on the association between asthma status and infections...
Why parents seek medical evaluations for their children with mild acute illnessesRobert G Voigt
Departments of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA
Clin Pediatr (Phila) 47:244-51. 2008..4; 95% confidence interval, 0.1-1.0; P = .044). The data highlight the problems working parents have in accessing health care during usual working hours and the potential value of convenient health care programs...
Characterization of asthma status by parent report and medical record reviewKwang Ha Yoo
J Allergy Clin Immunol 120:1468-9. 2007
A population-based study of the incidence and complication rates of herpes zoster before zoster vaccine introductionBarbara P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth St SE, Rochester, MN, USA
Mayo Clin Proc 82:1341-9. 2007..To establish accurate, up-to-date, baseline epidemiological data for herpes zoster (HZ) before the introduction of the recently licensed HZ vaccine...
Spirometry can be done in family physicians' offices and alters clinical decisions in management of asthma and COPDBarbara P Yawn
Olmsted Medical Center, Department of Research, 210 Ninth St SE, Rochester, MN 55904, USA
Chest 132:1162-8. 2007..While many patients with asthma and COPD are cared for by primary care practices, limited data are available on the use and results associated with spirometry in primary care...
An official ATS workshop report: issues in screening for asthma in childrenLynn B Gerald
Proc Am Thorac Soc 4:133-41. 2007
Postpartum depression screening: importance, methods, barriers, and recommendations for practiceDwenda K Gjerdingen
Department of Family Medicine and Community Health, University of Minnesota, Minneapolis, MN, USA
J Am Board Fam Med 20:280-8. 2007..The purpose of this review is to discuss the potential benefit of mass screening for improving postpartum depression recognition and outcomes...
The 2002 United States varicella vaccine shortage and physician recommendations for vaccinationRichard Kent Zimmerman
Department of Family Medicine and Clinical Epidemiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
Prev Med 41:575-82. 2005..The US experienced a shortage of varicella vaccine in 2002, leading to the concerns about its impact...
Measuring asthma quality in primary care: can we develop better measures?Barbara P Yawn
Department of Primary Care Research, Olmsted Medical Center, 210 Ninth St SE Rochester, MN 55904, USA
Respir Med 100:26-33. 2006..This work lays the foundation for a quality improvement initiative that provides practice-specific feedback related directly to clinical activities completed for individual patients with asthma...
Management of patients with hepatitis C in a community population: diagnosis, discussions, and decisions to treatLiliana Gazzuola Rocca
Department of Clinical Research, Olmsted Medical Center, Rochester, Minn 55904, USA
Ann Fam Med 2:116-24. 2004..In addition, generalists' recognition and treatment of potentially reversible contraindications to hepatitis C therapy could greatly increase the number of treatment candidates...
Variation in the ecology of medical careGeorge E Fryer
The Robert Graham Center, American Academy of Family Physicians, Washington, DC 20036, USA
Ann Fam Med 1:81-9. 2003..We wanted to quantify how the location in which medical care is delivered in the United States varies with the sociodemographic characteristics and health care arrangements of the individual person...
Changing epidemiology of hepatitis B in a U.S. communityW Ray Kim
Division of Gastroenterology and Hepatology Mayo 16E, Mayo Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Hepatology 39:811-6. 2004..69) and age greater than 40 years (OR = 2.32 per decade). In conclusion, in this Midwestern community, chronic HBV infection was predominantly seen in immigrants from endemic parts of the world...
Temporal and gender-related trends in brain metastases from lung and breast cancerBarbara P Yawn
Olmsted Medical Center, Rochester, USA
Minn Med 86:32-7. 2003..This difference was constant over the time period. This twofold difference in brain metastases detected in women versus men with lung cancer deserves further evaluation and confirmation...
Provider satisfaction in clinical encounters with ethnic immigrant patientsCelia C Kamath
Department of Health Sciences Research, Mayo Clinic, Rochester, Minn 55905, USA
Mayo Clin Proc 78:1353-60. 2003..To determine whether physicians' satisfaction in clinical encounters with ethnic immigrant patients differs from satisfaction in clinical encounters with white patients in the local community...
Incidence of heart failure after myocardial infarction: is it changing over time?Jens P Hellermann
Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Am J Epidemiol 157:1101-7. 2003..This suggests that improved survival after MI is unlikely to be a major contributor to the heart failure epidemic...
Feasibility of school-based spirometry screening for asthmaJill M Abramson
Dept of Research, Olmsted Medical Center, 210 Ninth St, SE, Rochester, MN 55904, USA
J Sch Health 73:150-3. 2003..Without further study, spirometry cannot be recommended for school-based asthma screening...
Coronary disease surveillance in Olmsted County objectives and methodologyVeronique L Roger
Mayo Clinic, 200 First Street, SW, Rochester, MN 55905, USA
J Clin Epidemiol 55:593-601. 2002..The combination of standardized methodology and of the longitudinal data via the record linkage system of the Rochester Epidemiology Project will allow reliable measures of CHD trends and help define preventive strategies...
A longitudinal study of the prevalence of asthma in a community population of school-age childrenBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
J Pediatr 140:576-81. 2002..CONCLUSIONS: In this community, 1 in 3 children have had a physician-documented recurrent wheezing-type illness, and 1 in 6 were diagnosed with asthma. Diagnoses rates were directly related to socioeconomic status...
Impact of case ascertainment on recent trends in diabetes incidence in Rochester, MinnesotaJames P Burke
Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
Am J Epidemiol 155:859-65. 2002..181) from 1987 to 1994, while the incidence of diabetes increased (p = 0.033). Thus, the authors conclude that the increase in diabetes incidence accelerated over the last quinquennium and was not due to increased surveillance...
Diagnosis and 10-year follow-up of a community-based hepatitis C cohortBarbara P Yawn
Department of Clinical Research, Olmsted Medical Center, 210 Ninth St, SE, Rochester, MN 55904, USA
J Fam Pract 51:135-40. 2002..To determine the health care follow-up and treatment associated with physician-diagnosed hepatitis C (HCV) in a community-based population...
Trends in the incidence and survival of patients with hospitalized myocardial infarction, Olmsted County, Minnesota, 1979 to 1994Veronique L Roger
From the Mayo Clinic, Mayo Foundation, and Olmsted Medical Group, Rochester, Minnesota 55905, USA
Ann Intern Med 136:341-8. 2002..Evidence indicates that deaths from coronary disease are decreasing less in elderly persons and women. Understanding the determinants of these trends is important for prevention...
Trends in heart failure incidence and survival in a community-based populationVeronique L Roger
Division of Cardiovascular Diseases and Internal Medicine, Department of Health Sciences Research, Mayo Clinic and Foundation, Rochester, Minn 55095, USA
JAMA 292:344-50. 2004..The epidemic of heart failure has yet to be fully investigated, and data on incidence, survival, and sex-specific temporal trends in community-based populations are limited...
Impact of vaccine economic programs on physician referral of children to public vaccine clinics: a pre-post comparisonRichard K Zimmerman
Department of Family Medicine and Clinical Epidemiology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
BMC Public Health 6:7. 2006..The objectives of this study are to evaluate the effect of VFC on physician reported referral of children to public health clinics and on doses administered in the public sector...
Using the ecology model to describe the impact of asthma on patterns of health careBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN 55904, USA
BMC Pulm Med 5:7. 2005..The ecology of medical care model may provide a useful framework to describe the use of health services in people with asthma compared to those without asthma and identify subgroups with apparent gaps in care...
Interrater reliability: completing the methods description in medical records review studiesBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, MN 55904, USA
Am J Epidemiol 161:974-7. 2005..IRR information should be required for all large medical records studies...
Identification of women's coronary heart disease and risk factors prior to first myocardial infarctionBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
J Womens Health (Larchmt) 13:1087-100. 2004..To understand when women's coronary heart disease (CHD) and CHD risk factors are recognized prior to first myocardial infarction (MI)...
Development and validation of school-based asthma and allergy screening questionnaires in a 4-city studySusan Redline
School Nurse News 21:12-4. 2004
Asthma severity: the patient's perspectiveBarbara P Yawn
Department of Research, Olmsted Medical Center, Rochester, Minnesota 55904, USA
J Asthma 41:623-30. 2004..A large nationally diverse sample of asthma patients' self-assessment of severity is available but has not been analyzed to look at asthma severity from the patients' perspective...
Ovarian cancer: the neglected diagnosisBarbara P Yawn
Department of Research, Olmsted Medical Center, 210 Ninth St SE, Rochester, MN 55904, USA
Mayo Clin Proc 79:1277-82. 2004..To investigate presenting signs and symptoms of ovarian cancer and stage of tumor in a community cohort of women with the diagnosis of ovarian cancer...
Participatory research in rural primary careBarbara P Yawn
Olmsted Medical Center, Rochester, USA
Minn Med 87:52-4. 2004..This article gives one example of participatory research used to help translate asthma guidelines into primary care in rural Minnesota practices...
Incidence and characterization of diagnosed endometriosis in a geographically defined populationCynthia L Leibson
Health Sciences Research, Mayo Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Fertil Steril 82:314-21. 2004..We examined whether widespread use of laparoscopy was accompanied by increased diagnosis of asymptomatic endometriosis, inflated rates of diagnosis, or changes in the clinical spectrum of disease...
Impaired functional status and echocardiographic abnormalities signifying global dysfunction enhance the prognostic significance of previously unrecognized myocardial infarction detected by electrocardiographyKhawaja Afzal Ammar
Division of Cardiovascular Diseases, Mayo Clinic and Foundation, Rochester, MN 55905, USA
Ann Noninvasive Electrocardiol 12:27-37. 2007..The relationship between electrocardiographic unrecognized myocardial infarction (UMI), abnormal functional status, echocardiographic abnormalities, and mortality has not been evaluated...
Incidence, clinical spectrum, and outcomes of primary sclerosing cholangitis in a United States communityKiran Bambha
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Gastroenterology 125:1364-9. 2003..Our data suggest that the prevalence of PSC in the United States, with its attendant medical burdens, is significantly greater than previously estimated...
Development and validation of school-based asthma and allergy screening questionnaires in a 4-city studySusan Redline
Department of Pediatrics. Case Western Reserve University and Rainbow Babies and Children's Hospital, Cleveland, Ohio, USA
Ann Allergy Asthma Immunol 93:36-48. 2004..The SQ, obtained by directly screening students, may provide a sensitive approach for detecting children with previously undiagnosed asthma and allergies...
Enhancing COPD management in primary care settingsJill A Foster
Outcomes, Inc, Birmingham, Alabama, USA
MedGenMed 9:24. 2007..Although clinical practice guidelines have been developed for COPD, their influence on primary care practice is unclear...
The risk of hydrosalpinx formation and adnexectomy following tubal ligation and subsequent hysterectomy: a historical cohort studyAbraham N Morse
Department of Obstetrics and Gynecology, University of Massachusetts Medical School, Worcester, MA, USA
Am J Obstet Gynecol 194:1273-6. 2006....
Screening for colorectal cancer: U.S. Preventive Services Task Force recommendation statementNed Calonge
Ann Intern Med 149:627-37. 2008..D recommendation). The USPSTF concludes that the evidence is insufficient to assess the benefits and harms of computed tomographic colonography and fecal DNA testing as screening modalities for colorectal cancer. (I statement)...
Research Grants
- EVALUATION OF CHD IN MEN AND WOMEN PRIOR TO FIRST AMIBarbara Yawn; Fiscal Year: 2002..In addition, we will provide specific information on current gender-related practice patterns. This information can be used to inform future practice recommendations. ..
- TRIP for postpartum depression (TRIPPD)Barbara Yawn; Fiscal Year: 2007..Equally importantly, it will provide information necessary to translate this evidence into 9eneral primary care practices. ..
- TRIP for postpartum depression (TRIPPD)Barbara Yawn; Fiscal Year: 2009..Equally importantly, it will provide information necessary to translate this evidence into 9eneral primary care practices. ..
- Assessing decision maker tools for Asthma: The Asthma APGARBarbara P Yawn; Fiscal Year: 2010..Developing a simple to use and implement system that improves asthma outcomes in primary care practices could have a major impact on the asthma burden for Americans. ..
