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Genomes and GenesSpecies | W A RoccaSummaryAffiliation: Mayo Clinic Country: USA Publications
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History of the Rochester Epidemiology Project: Half a Century of Medical Records Linkage in a US PopulationWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN Department of Neurology, Mayo Clinic, Rochester, MN Electronic address
Mayo Clin Proc 87:1202-13. 2012..The REP can serve as a model for the development of similar research infrastructures in the United States and worldwide...
Hysterectomy, oophorectomy, estrogen, and the risk of dementiaWalter A Rocca
Department of Neurology, College of Medicine, Mayo Clinic, Rochester, Minn 55905, USA
Neurodegener Dis 10:175-8. 2012..The long-term cognitive effects of hysterectomy and oophorectomy remain controversial...
Premature menopause or early menopause and risk of ischemic strokeWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Menopause 19:272-7. 2012..The general consensus has been that estrogen is invariably a risk factor for ischemic stroke (IS). We reviewed new observational studies that challenge this simple conclusion...
The Mayo Clinic family study of Parkinson's disease: study design, instruments, and sample characteristicsWalter A Rocca
Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minn, USA
Neuroepidemiology 24:151-67. 2005..Finally, we studied a group of 625 spouses of either cases or controls. Relatives with PD or other neurodegenerative diseases were ascertained using the family study method...
Oophorectomy, menopause, estrogen treatment, and cognitive aging: clinical evidence for a window of opportunityWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN, USA
Brain Res 1379:188-98. 2011..Therefore, women who underwent bilateral oophorectomy before the onset of menopause or women who experienced premature or early natural menopause should be considered for hormonal treatment until approximately age 51 years...
Increased risk of parkinsonism in women who underwent oophorectomy before menopauseW A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Neurology 70:200-9. 2008..We studied the association of oophorectomy performed before the onset of menopause with the risk of subsequent parkinsonism...
Long-term risk of depressive and anxiety symptoms after early bilateral oophorectomyWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Menopause 15:1050-9. 2008..We studied the long-term risk of depressive and anxiety symptoms in women who underwent bilateral oophorectomy before menopause...
Survival patterns after oophorectomy in premenopausal women: a population-based cohort studyWalter A Rocca
Division of Epidemiology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Lancet Oncol 7:821-8. 2006..We aimed to investigate survival patterns in a population-based sample of women who had received an oophorectomy and compare these with women who had not received an oophorectomy...
Long-term effects of bilateral oophorectomy on brain aging: unanswered questions from the Mayo Clinic Cohort Study of Oophorectomy and AgingWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Womens Health (Lond Engl) 5:39-48. 2009..Results from other studies are cited as evidence for or against each possible mechanism. These putative causal mechanisms are probably intertwined, and their clarification is a research priority...
Increased risk of essential tremor in first-degree relatives of patients with Parkinson's diseaseWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Mov Disord 22:1607-14. 2007..These findings suggest that PD and ET may share familial susceptibility factors...
Oophorectomy, menopause, estrogen, and cognitive aging: the timing hypothesisWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Neurodegener Dis 7:163-6. 2010..The concept of neuroprotective effects of estrogen in women remains controversial...
The Mayo Clinic cohort study of personality and aging: design and sampling, reliability and validity of instruments, and baseline descriptionWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Neuroepidemiology 26:119-29. 2006..68, p < 0.0001). This newly established historical cohort study provides opportunities to test hypotheses regarding the link between personality and aging, aging-related diseases, and overall mortality...
Anemia or low hemoglobin levels preceding Parkinson disease: a case-control studyR Savica
Department of Neurology, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Neurology 73:1381-7. 2009..Thus, we investigated the association of anemia with the subsequent risk of PD using a case-control study design...
Trends in the incidence and prevalence of Alzheimer's disease, dementia, and cognitive impairment in the United StatesWalter A Rocca
Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN, USA
Alzheimers Dement 7:80-93. 2011..A significant reduction in cognitive impairment measured by neuropsychological testing was identified in the national survey. Cautious optimism appears justified...
Increased risk of cognitive impairment or dementia in women who underwent oophorectomy before menopauseW A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
Neurology 69:1074-83. 2007..We studied the association of oophorectomy performed before the onset of menopause with the risk of subsequent cognitive impairment or dementia...
Risk of cognitive impairment or dementia in relatives of patients with Parkinson diseaseWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, 200 First St SW, Rochester, MN 55905, USA
Arch Neurol 64:1458-64. 2007..The evidence for increased risk of dementia in relatives of patients with Parkinson disease (PD) remains conflicting...
Time trends in the incidence of parkinsonism in Olmsted County, MinnesotaW A Rocca
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Neurology 57:462-7. 2001..To investigate time trends in the incidence of parkinsonism and PD over a 15-year period (1976 to 1990)...
The long-term effects of oophorectomy on cognitive and motor aging are age dependentWalter A Rocca
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minn 55905, USA
Neurodegener Dis 5:257-60. 2008..The evidence for a neuroprotective effect of estrogen in women remains controversial...
Door-to-door prevalence survey of epilepsy in three Sicilian municipalitiesW A Rocca
Department of Health Sciences Research, Mayo Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Neuroepidemiology 20:237-41. 2001..The age-specific prevalence figures for active epilepsy were lower than those from previous Italian surveys...
Familial aggregation of Parkinson's disease: The Mayo Clinic family studyWalter A Rocca
Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Ann Neurol 56:495-502. 2004..62; 95% confidence interval, 1.66-4.15), whereas relatives of probands with later onset had no increased risk. The relative risk decreased when the incidence of all types of parkinsonism was considered...
The incidence of MCI differs by subtype and is higher in men: the Mayo Clinic Study of AgingR O Roberts
Division of Epidemiology, Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN, USA
Neurology 78:342-51. 2012..We estimated the incidence of amnestic MCI (aMCI) and nonamnestic MCI (naMCI) in men and women separately...
Hysterectomy, menopause, and estrogen use preceding Parkinson's disease: an exploratory case-control studyM D Benedetti
Department of Health Sciences Research, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Mov Disord 16:830-7. 2001..Despite the limited sample size of this exploratory study, we hypothesize that there is an increased risk of PD in conditions causing an early reduction in endogenous estrogen. This hypothesis needs to be confirmed in a larger study...
Incident dementia in women is preceded by weight loss by at least a decadeD S Knopman
Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Neurology 69:739-46. 2007..Although several studies reported weight loss preceding the onset of dementia, other studies suggested that obesity in midlife or even later in life may be a risk factor for dementia...
Education and occupations preceding Parkinson disease: a population-based case-control studyR Frigerio
Department of Health Sciences Research, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Neurology 65:1575-83. 2005..CONCLUSION: Subjects with higher education and physicians have an increased risk of Parkinson disease (PD), while subjects with some occupations presumed to involve high physical activity have a decreased risk of PD...
Medical records documentation of constipation preceding Parkinson disease: A case-control studyR Savica
Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
Neurology 73:1752-8. 2009..We investigated constipation preceding PD using a case-control study design in a population-based sample...
Coronary artery bypass grafting is not a risk factor for dementia or Alzheimer diseaseD S Knopman
The Mayo Alzheimer Disease Research Center, Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN, USA
Neurology 65:986-90. 2005..To study coronary artery bypass grafting (CABG) as a risk factor for dementia and Alzheimer disease (AD) using a case-control design...
Head trauma preceding PD: a case-control studyJ H Bower
Department of Neurology, Mayo Foundation, Rochester, MN 55905, USA
Neurology 60:1610-5. 2003..To investigate the association of PD with preceding head trauma using a case-control study design...
A limited role for DJ1 in Parkinson disease susceptibilityD M Maraganore
Department of Neurology, Mayo Clinic Rochester, MN 55905, USA
Neurology 63:550-3. 2004..None of the four haplotype tagging single-nucleotide polymorphisms (SNPs) was associated with PD overall, but SNP1 (position 4,345 bp) and SNP3 (position 16,491 bp) were associated with PD in women (p = 0.03 and p = 0.002)...
Prevalence of mild cognitive impairment is higher in men. The Mayo Clinic Study of AgingR C Petersen
Department of Neurology, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Neurology 75:889-97. 2010..We investigated the prevalence of mild cognitive impairment (MCI) in Olmsted County, MN, using in-person evaluations and published criteria...
Novelty seeking and introversion do not predict the long-term risk of Parkinson diseaseG Arabia
Division of Epidemiology, Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Neurology 75:349-57. 2010..It has been suggested that people who develop Parkinson disease (PD) may have a characteristic premorbid personality. We tested this hypothesis using a large historical cohort study with long follow-up...
Validity of family history data on PD: evidence for a family information biasA Elbaz
Department of Health Sciences Research, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Neurology 61:11-7. 2003..This causes a substantial family information bias...
Case-control study of the ubiquitin carboxy-terminal hydrolase L1 gene in Parkinson's diseaseD M Maraganore
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Neurology 53:1858-60. 1999..However, S18Y polymorphism carriers had significantly lower risk of PD (odds ratio = 0.53; p = 0.03), and the risk reduction was greater for younger onset cases...
Alpha-synuclein, pesticides, and Parkinson disease: a case-control studyL Brighina
Department of Neurology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Neurology 70:1461-9. 2008..Pesticide exposures may also confer susceptibility to PD. Our objective was to test possible joint effects of SNCA REP1 genotypes and pesticide exposures on the risk of PD...
Interaction of alpha-synuclein and tau genotypes in Parkinson's diseaseCatherine E Mamah
Department of Neurology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Ann Neurol 57:439-43. 2005..These findings are consistent with in vitro experiments that revealed tau-mediated fibrillization of alpha-synuclein protein at low concentrations (dose threshold effect)...
Risk of cancer after the diagnosis of Parkinson's disease: a historical cohort studyAlexis Elbaz
Departments of Health Sciences Research, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Mov Disord 20:719-25. 2005..Among PD patients, there was no relation between the risk of cancer and the cumulative dose of levodopa received or the use of other PD medications...
Complex segregation analysis of Parkinson's disease: The Mayo Clinic Family StudyShannon K McDonnell
Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Ann Neurol 59:788-95. 2006..The best fitting models for older onset PD (age > 59 years) were a recessive or an additive model. INTERPRETATION: The familial aggregation of PD may be explained in part by a major gene with additive effect on the penetrance...
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...
Autopsy patterns for Parkinson's disease and related disorders in Olmsted County, MinnesotaD M Maraganore
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Neurology 53:1342-4. 1999..The overall autopsy rate was low (23%). Diagnostic certainty (for PD), diagnostic type (PD versus other parkinsonism), sex, age at death, and location at death were important selection factors for autopsy...
Immunologic diseases, anti-inflammatory drugs, and Parkinson disease: a case-control studyJ H Bower
Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Neurology 67:494-6. 2006..In addition, cases used anti-inflammatory agents less frequently than controls (nonsignificant trend). The results may support the hypothesis that there is an inflammatory component in the pathogenesis of PD...
Medical services utilization and prognosis in Parkinson disease: a population-based studySotirios A Parashos
Department of Neurology, Mayo Clinic, Rochester, Minn 55905, USA
Mayo Clin Proc 77:918-25. 2002..Patients with PD also experienced a reduced survival time. Demographic and clinical characteristics influenced utilization patterns and outcomes...
Increased cardiovascular mortality after early bilateral oophorectomyCathleen M Rivera
Division of Preventive and Occupational Medicine, Department of Internal Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA
Menopause 16:15-23. 2009..To investigate the mortality associated with cardiovascular diseases and the effect of estrogen treatment in women who underwent unilateral or bilateral oophorectomy before menopause...
UCHL1 is associated with Parkinson's disease: a case-unaffected sibling and case-unrelated control studyMaurizio Facheris
Department of Neurology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Neurosci Lett 381:131-4. 2005..Analyses confirmed a significant inverse association of the UCHL1 S18Y polymorphism with PD overall (OR=0.18, 95% CI=0.05-0.64, p=0.002, recessive model) and in several strata...
Pessimistic, anxious, and depressive personality traits predict all-cause mortality: the Mayo Clinic cohort study of personality and agingBrandon R Grossardt
Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Psychosom Med 71:491-500. 2009..To study the association between several personality traits and all-cause mortality...
Case-control study of dopamine transporter-1, monoamine oxidase-B, and catechol-O-methyl transferase polymorphisms in Parkinson's diseaseJohn L Goudreau
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Mov Disord 17:1305-11. 2002..These significant differences at the two-tailed alpha level of 0.05 and restricted to subgroup analyses may have a biological basis or may be chance findings...
Incidence of medically recognized migraine: A 1989-1990 study in Olmsted County, MinnesotaT D Rozen
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Headache 40:216-23. 2000..CONCLUSIONS: Although our incidence rates were restricted to medically recognized cases of migraine, we confirmed previously reported epidemiological patterns...
The incidence of frontotemporal lobar degeneration in Rochester, Minnesota, 1990 through 1994D S Knopman
Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Neurology 62:506-8. 2004..The incidence rates (new cases per 100,000 person-years) were 2.2 for ages 40 to 49, 3.3 for ages 50 to 59, and 8.9 for ages 60 to 69. For comparison, the corresponding rates for Alzheimer disease were 0.0, 3.3, and 88.9...
Case-Control study of the extended tau gene haplotype in Parkinson's diseaseD M Maraganore
Department of Neurology Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Ann Neurol 50:658-61. 2001....
Fracture risk after the diagnosis of Parkinson's disease: Influence of concomitant dementiaL Joseph Melton
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Mov Disord 21:1361-7. 2006..1). The increased fracture risk in patients with PD is not entirely explained by concomitant dementia, and additional study is needed to determine the relative contributions to fracture risk of falls versus bone loss in these patients...
Number of children and risk of Parkinson's diseaseRoberta Frigerio
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Mov Disord 22:632-9. 2007..The independent replication in two distinct populations and using different epidemiologic study designs may suggest a link between the number of children and PD restricted to men...
Beta-synuclein gene variants and Parkinson's disease: a preliminary case-control studyLaura Brighina
Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Neurosci Lett 420:229-34. 2007..The results of this preliminary study suggest that the SNCB locus, though not a susceptibility gene for PD, might modify the age at onset of PD...
Chemical exposures and Parkinson's disease: a population-based case-control studyRoberta Frigerio
Division of Epidemiology, Department of Health Sciences Research, Mayo College of Medicine, Rochester, Minnesota 55905, USA
Mov Disord 21:1688-92. 2006..This population-based study suggests a link between pesticides use and PD that is restricted to men. Pesticides may interact with other genetic or nongenetic factors that are different in men and women...
Risk tables for parkinsonism and Parkinson's diseaseAlexis Elbaz
Department of Health Sciences Research, Mayo Clinic and Mayo Foundation, 200 First Street SW, Rochester, MN 55905, USA
J Clin Epidemiol 55:25-31. 2002..Lifetime risk estimates are useful in clinical practice, epidemiologic research, and public health...
Increased risk of depressive and anxiety disorders in relatives of patients with Parkinson diseaseGennarina Arabia
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Arch Gen Psychiatry 64:1385-92. 2007..Relatives of patients with Parkinson disease (PD) have an increased risk of PD and other neurologic disorders; however, their risk of psychiatric disorders remains uncertain...
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...
Increased risk of serious pneumococcal disease in patients with atopic conditions other than asthmaJi A Jung
Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA
J Allergy Clin Immunol 125:217-21. 2010..We reported an increased risk of serious pneumococcal disease (SPD) among patients with asthma. It is not known whether this is true for patients with other atopic conditions...
The diabetes mellitus medication choice decision aid: a randomized trialRebecca J Mullan
Knowledge and Encounter Research Unit, Mayo Center for Translational Science Activities, Mayo Clinic, Rochester, MN 55905, USA
Arch Intern Med 169:1560-8. 2009..Patient involvement in the choice of antihyperglycemic agents could improve adherence and optimize glycemic control in patients with type 2 diabetes mellitus...
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...
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...
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...
Exclusion of genetic linkage to 4q21-23 and 17q21 in a family with Lewy body parkinsonismJ Hardy
Mayo Clinic Jacksonville, Florida 32224, USA
Am J Med Genet 81:166-71. 1998..A brief clinical comparison of this family with families showing linkage to these loci is presented. The data suggest that at least one other major genetic determinant for Lewy body parkinsonism remains to be identified...
Prophylactic oophorectomy in premenopausal women and long-term healthLynne T Shuster
Department of Internal Medicine, Women s Health Clinic, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Menopause Int 14:111-6. 2008..To review the data on long-term outcomes in women who underwent prophylactic bilateral oophorectomy, a common surgical procedure that has more than doubled in frequency since the 1960s...
Collaborative analysis of alpha-synuclein gene promoter variability and Parkinson diseaseDemetrius M Maraganore
Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minn 55905, USA
JAMA 296:661-70. 2006..Alpha-synuclein (SNCA) has been one of the most promising susceptibility genes, but large-scale studies have been lacking...
Postmenopausal estrogen therapy and Alzheimer disease: overall negative findingsRosebud O Roberts
Divisions of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN, USA
Alzheimer Dis Assoc Disord 20:141-6. 2006..68 (95% CI=0.35-1.32) among never-smokers (P for interaction=0.01). Our findings do not confirm a significant association between ET and AD overall; however, the possible interaction with smoking deserves further study...
Anxious personality predicts an increased risk of Parkinson's diseaseJames H Bower
Department of Neurology, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Mov Disord 25:2105-13. 2010..Our long-term historical cohort study suggests that an anxious personality trait may predict an increased risk of PD developing many years later...
Direct medical costs associated with Parkinson's disease: a population-based studyCynthia L Leibson
Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Mov Disord 21:1864-71. 2006..99, for those with tremor). These population-based estimates of PD-associated direct medical costs from onset forward can uniquely inform policy decisions and cost-effectiveness research...
Physical exercise, aging, and mild cognitive impairment: a population-based studyYonas E Geda
Mayo Clinic, 200 First Street SW, Rochester, MN 55905
Arch Neurol 67:80-6. 2010..Physical exercise is associated with decreased risk of dementia and Alzheimer disease...
Parkinson's disease in Africa: A systematic review of epidemiologic and genetic studiesNjideka U Okubadejo
Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
Mov Disord 21:2150-6. 2006..There are no case-control or cohort studies of PD reported from Africa. This review provides a summary of PD research in Africa over the past 60 years and highlights the information gaps and potential areas for future research...
Validation of the telephone interview for cognitive status-modified in subjects with normal cognition, mild cognitive impairment, or dementiaDavid S Knopman
Department of Neurology, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Neuroepidemiology 34:34-42. 2010..The telephone assessment of cognitive functions may reduce the cost and burden of epidemiological studies...
Increased mortality for neurological and mental diseases following early bilateral oophorectomyCathleen M Rivera
Division of Preventive and Occupational Medicine, Department of Internal Medicine, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Neuroepidemiology 33:32-40. 2009..The effects of oophorectomy on brain aging remain uncertain...
Association of duration and severity of diabetes mellitus with mild cognitive impairmentRosebud O Roberts
Department of Health Sciences Research, Division of Epidemiology, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Arch Neurol 65:1066-73. 2008..It remains unknown whether diabetes mellitus (DM) is a risk factor for mild cognitive impairment (MCI)...
The Mayo Clinic Study of Aging: design and sampling, participation, baseline measures and sample characteristicsRosebud O Roberts
Division of Epidemiology, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Neuroepidemiology 30:58-69. 2008..The objective of this study was to establish a prospective population-based cohort to investigate the prevalence, incidence and risk factors for mild cognitive impairment (MCI) and dementia...
Prevalence of neuropsychiatric symptoms in mild cognitive impairment and normal cognitive aging: population-based studyYonas E Geda
Department of Psychiatry and Psychology, College of Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Arch Gen Psychiatry 65:1193-8. 2008..Little is known about the population-based prevalence of neuropsychiatric symptoms in mild cognitive impairment (MCI)...
Population-based study of the relationship between atherosclerotic aortic debris and cerebrovascular ischemic eventsGeorge W Petty
Division of Cerebrovascular Diseases, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Mayo Clin Proc 81:609-14. 2006..To assess the validity of the suggestion that protruding atheromatous material in the thoracic aorta is an important cause of cerebrovascular ischemic events (CIEs) (ie, transient ischemic attack or ischemic stroke)...
Case-control study of estrogen receptor gene polymorphisms in Parkinson's diseaseDemetrius M Maraganore
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Mov Disord 17:509-12. 2002..While exogenous and endogenous estrogen may modify the risk of PD in women, the two estrogen receptor gene polymorphisms considered here do not seem to contribute to PD susceptibility...
Population-based study of the relationship between patent foramen ovale and cerebrovascular ischemic eventsGeorge W Petty
Division of Cerebrovascular Diseases, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Mayo Clin Proc 81:602-8. 2006..To determine whether patent foramen ovale (PFO) is a risk factor for a cryptogenic cerebrovascular ischemic event (CIE)...
UCHL1 is a Parkinson's disease susceptibility geneDemetrius M Maraganore
Department of Neurology, Mayo Clinic, Rochester, MN, USA
Ann Neurol 55:512-21. 2004..These findings confirm that UCHL1 is a susceptibility gene for PD and a potential target for disease-modifying therapies...
Dementia and Alzheimer disease incidence rates do not vary by sex in Rochester, MinnSteven D Edland
Department of Health Sciences Research, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Arch Neurol 59:1589-93. 2002..Cohort studies in the United States, on the other hand, have consistently reported no difference in incidence across sex...
Case-control study of the alpha-synuclein interacting protein gene and Parkinson's diseaseDemetrius M Maraganore
Department of Neurology, Mayo Clinic, Rochester, Minnesota 55905, USA
Mov Disord 18:1233-9. 2003..0001). Recursive partitioning showed no interactions between variants of the SNCAIP gene and variants of the alpha-synuclein gene (SNCA) or the parkin (PARK2) gene...
Complex interactions in Parkinson's disease: a two-phased approachDemetrius M Maraganore
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Mov Disord 18:631-6. 2003..42; P = 0.003). Our findings are consistent with the hypothesis that PD is a multigenic disorder of the UPS...
Vascular dementia in a population-based autopsy studyDavid S Knopman
Department of Neurology, Mayo Clinic and Foundation, Rochester, MN 55905, USA
Arch Neurol 60:569-75. 2003..The validity of the clinical diagnosis of vascular dementia (VaD) remains suboptimal...
Nonfatal cancer preceding Parkinson's disease: a case-control studyAlexis Elbaz
Department of Health Sciences Research, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Epidemiology 13:157-64. 2002..There were suggestive trends in analyses stratified by sex and age at onset of PD, and for specific cancers related to smoking or hormonal factors...
Survival study of vascular dementia in Rochester, MinnesotaDavid S Knopman
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
Arch Neurol 60:85-90. 2003..To investigate the relationship between features and definitions of vascular dementia (VaD) and survival...
Incidence of vascular dementia in Rochester, Minn, 1985-1989David S Knopman
Department of Neurology, Mayo Clinic, 200 First St SW, Rochester MN 55905, USA
Arch Neurol 59:1605-10. 2002..To examine the contribution of cerebrovascular disease to dementia...
Clinical correlates of the pathology underlying parkinsonism: a population perspectiveJames H Bower
Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Mov Disord 17:910-6. 2002..Despite this selection bias, the retrospective data collection, and the small sample size, we made several observations that illustrate the difficulty in achieving an accurate antemortem diagnosis of parkinsonism...
Comorbid conditions associated with Parkinson's disease: a population-based studyCynthia L Leibson
Department of Health Sciences Research, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Mov Disord 21:446-55. 2006..quot; The excess morbidity and mortality observed for persons with PD are consistent with recognized PD sequelae...
Depression, apolipoprotein E genotype, and the incidence of mild cognitive impairment: a prospective cohort studyYonas E Geda
Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, Minn, USA
Arch Neurol 63:435-40. 2006..It remains unknown whether depression and apolipoprotein E genotype are risk factors for incident mild cognitive impairment (MCI)...
High-resolution whole-genome association study of Parkinson diseaseDemetrius M Maraganore
Department of Neurology, Mayo Clinic College of Medicine, Rochester, MN, USA
Am J Hum Genet 77:685-93. 2005..07 x 10(-6); P=2.96 x 10(-5)) tagged the PARK10 late-onset PD susceptibility locus. Independent replication across populations will clarify the role of the genomic loci tagged by these SNPs in conferring PD susceptibility...
Risk of cancer among relatives of patients with gliomaBrian P O'Neill
Department of Neurology, and the Mayo Clinic Cancer Center, Rochester Minnesota 55905, USA
Cancer Epidemiol Biomarkers Prev 11:921-4. 2002..Our results do not support the hypothesis of a familial aggregation of glioma indicative of a glioma susceptibility gene...
Incidence and causes of nondegenerative nonvascular dementia: a population-based studyDavid S Knopman
Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minn 55905, USA
Arch Neurol 63:218-21. 2006..Information on the incidence of nondegenerative and nonvascular dementia is limited...
Heart disease and dementia: a population-based studyFrancesca Bursi
Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, MN55905, USA
Am J Epidemiol 163:135-41. 2006..82, 95% CI: 0.70, 0.95; p = 0.010). There was no evidence of a positive association between dementia and preceding myocardial infarction, while there was a decreased risk of myocardial infarction and cardiac death following dementia...
Passive case-finding for Alzheimer's disease and dementia in two U.S. communitiesDavid S Knopman
Department of Neurology, College of Medicine, Mayo Clinic, Rochester, MN, USA
Alzheimers Dement 7:53-60. 2011..In this article, the advantages and disadvantages of passive case-finding were discussed, and the following conclusion was drawn: the purpose of the study being conducted should determine the case-finding approach that is to be used...
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...
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...
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...
Short-term outcomes of acute knee injuries: does the provider make a difference?Peter C Amadio
Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
Arthritis Rheum 47:361-5. 2002..To compare the short-term outcomes of acute knee injuries treated by specialists and generalists...
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...
Translating comparative effectiveness into practice: the case of diabetes medicationsNilay D Shah
Division of Health Care Policy and Research, Mayo Clinic, Rochester, MN 55905, USA
Med Care 48:S153-8. 2010..However, little is known about translating the findings from CER into routine practice such that it provides value to the patients, clinicians, and the healthcare system...
Increased risk of serious pneumococcal disease in patients with asthmaYoung J Juhn
Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA
J Allergy Clin Immunol 122:719-23. 2008..Individuals with asthma have been reported to be at increased risk of invasive pneumococcal disease (IPD). These findings need to be confirmed in a different population-based study setting...
Relationship between parenting stress and concerns identified by developmental screening and their effects on parental medical care-seeking behaviorRobert G Voigt
Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Clin Pediatr (Phila) 48:362-8. 2009..Primary pediatric health care providers who routinely perform developmental screening need to consider this relationship when interpreting developmental screening results and offer supportive and referral services to families as needed...
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...
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...
Research Grants
- EPIDEMIOLOGY AND GENETICS OF PARKINSONS DISEASEWalter Rocca; Fiscal Year: 2000..These studies will contribute greatly to understanding the causes and possible prevention of PD. ..
- ROCHESTER EPIDEMIOLOGY PROJECTWalter Rocca; Fiscal Year: 2009..abstract_text> ..
- ROCHESTER EPIDEMIOLOGY PROJECTWalter Rocca; Fiscal Year: 2007..abstract_text> ..
- EPIDEMIOLOGY AND GENETICS OF PARKINSON'S DISEASEWalter Rocca; Fiscal Year: 2005..These three studies will contribute greatly to understanding the causes and possible prevention of PD by exploring novel hypotheses and by using innovative methods. ..
- ROCHESTER EPIDEMIOLOGY PROJECTBarbara P Yawn; Fiscal Year: 2010..S. The ultimate goal is to continue to facilitate population-based research of disease etiology, preventive interventions, improved medical practice, and better health for the population, as outlined in the NIH Roadmap. ..
