Helen Creasey

Concord Hospital, Concord, New Hampshire, United States

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Publications (103)448.32 Total impact

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    ABSTRACT: Summary Genetic mutations in the tau gene on chromosome 17 are known to cause frontotemporal dementias. We have identified a novel silent mutation (S305S) in the tau gene in a subject without significant atrophy or cellular degeneration of the frontal and temporal cortices. Rather the cellular pathology was characteristic of progressive supranuclear palsy, with neurofibrillary tangles concentrating within the subcortical regions of the basal ganglia. Two affected family members presented with symptoms of dementia and later developed neurological deficits including abnormality of vertical gaze and extrapyramidal signs. The third presented with dystonia of the left arm and dysarthria, and
    Brain 06/2015; 123(5):880-893. · 10.23 Impact Factor
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    BMJ (online) 09/2013; 347:f5125. DOI:10.1136/bmj.f5125 · 16.38 Impact Factor
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    ABSTRACT: Though bone loss tends to accelerate with age there are modifiable factors that may influence the rate of bone loss even in very old men. INTRODUCTION: The aim of this 2-year longitudinal study was to examine potential predictors of change in total hip bone mineral density (BMD) in older men. METHODS: The Concord Health and Ageing in Men Project is a population-based study in Sydney, Australia. For this study, 1,122 men aged 70-97 years had baseline and follow-up measures of total hip BMD measured with dual X-ray absorptiometry. Data about mobility, muscle strength, balance, medication use, cognition, medical history and lifestyle factors were collected using questionnaires and clinical assessments. Serum 25-hydroxyvitamin D [25(OH)D] was also measured. Multivariate linear regression models were used to assess relationships between baseline predictors and change in BMD. RESULTS: Over a mean of 2.2 years, there was a mean annualised loss of total hip BMD of 0.006 g/cm(2)/year (0.6 %) and hip BMC of 0.14 g/year (0.3 %). Annual BMD loss accelerated with increasing age, from 0.4 % in men aged between 70 and 75 years, to 1.2 % in men aged 85+ years. In multivariate regression models, predictors of faster BMD loss were anti-androgen, thiazolidinedione and loop-diuretic medications, kidney disease, poor dynamic balance, larger hip bone area, older age and lower serum 25(OH)D. Factors associated with attenuated bone loss were walking for exercise and use of beta-blocker medications. Change in BMD was not associated with baseline BMD, smoking, alcohol consumption, BMI, frailty, or osteoarthritis. CONCLUSION: There was considerable variation in the rate of hip bone loss in older men. Walking, better balance and beta blockers may attenuate the acceleration of BMD loss that occurs with age.
    Osteoporosis International 12/2012; 24(7). DOI:10.1007/s00198-012-2226-0 · 4.17 Impact Factor
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    ABSTRACT: Aim:  To determine adherence, persistence and continuation beyond 6 months with cholinesterase inhibitors in Australians with Alzheimer's disease. Methods:  Adherence and persistence with cholinesterase inhibitors were assessed by data linkage using the Pharmaceutical Benefits Scheme (PBS) Authority database and other health databases. Results:  Over 18 000 people commenced cholinesterase inhibitors during 2004. Adherence was 79.4% while the medication possession ratio was 0.88. Some 70.3% of people filled all six scripts for the initial trial period of therapy. Some 57.3% of evaluable patients accessed funding beyond six prescriptions, indicating that their clinicians had declared that there was a two-point or more greater improvement in the Mini-Mental State Examination. Despite the high rate of continuation beyond 6 months, the rates of institutionalisation and death were no different to those reported in clinical trials. Conclusions:  Persistence and adherence with cholinesterase inhibitors was reasonable once treatment was established. There was an unexpectedly high continuation rate beyond six prescriptions.
    Australasian Journal on Ageing 09/2012; 31(3):164-169. DOI:10.1111/j.1741-6612.2011.00564.x · 1.12 Impact Factor
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    ABSTRACT: We aimed to assess the relationship between Drug Burden Index (DBI), a risk assessment tool that measures anticholinergic and sedative medication exposure and cognitive performance, and cognitive impairment in older people. The study population consisted of community-dwelling older men, 70 years or older, living in Sydney, Australia. The Addenbrooke's Cognitive Examination (ACE) and the Trail Making Task (TMT) cognitive tests were performed, and participants were categorized as having intact cognition, mild cognitive impairment, or dementia using clinical diagnostic criteria. The analyses were restricted to participants with English-speaking background (n = 987) and to the subgroup whose cognition was intact (n = 887). In the study group, DBI exposure was not associated with poorer performance on the ACE (odds ratio [OR], 0.98; 95% confidence interval [CI], 0.66-1.47) or the TMT (OR, 0.71; 95% CI, 0.40-1.24) tests, after controlling for covariates. Similarly, DBI exposure was not associated with cognitive impairment (OR, 1.34; 95% CI, 0.83-2.16). There was no association between increasing DBI scores and poorer performance on any of the outcomes. On subgroup analysis of cognitively intact subgroup, DBI exposure or increasing DBI scores were not associated with poorer performance on the ACE or the TMT tests. In this study of community-dwelling older men, DBI was not associated with limitations on objective cognitive performance measures or with a clinical diagnosis of mild cognitive impairment or dementia.
    Journal of clinical psychopharmacology 04/2012; 32(2):273-7. DOI:10.1097/JCP.0b013e3182487825 · 3.76 Impact Factor
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    ABSTRACT: Aims and Method. The Developmental Disability Database in the Department of Rehabilitation Medicine at a metropolitan hospital was audited for observations on adults with Intellectual Disability living in the local region (total population 180,000) who were seen in an identified multidisciplinary specialist clinic, during 2006-2010. Results. There were 162 people (representing half the known number of adults with Intellectual Disability living in the region): 77 females, 85 males, age range 16-86 years. The most common complex disabilities referred to the specialists in this clinic were epilepsy (52%), challenging or changing behavior (42%) and movement disorders (34%). Early onset dementia was a feature of the group (7%). The prevalence of prescription of medications for gastro-oesophageal reflux was high (36%) and similar to the numbers of people taking psychotropic medications. The rates of chronic cardiovascular disease (2%), chronic respiratory disease (10%) and generalised arthritis (11%) were low overall, but did rise with increasing age. Conclusions. Complex neurological disabilities are common, and chronic medical illnesses are uncommon in adults with Intellectual Disability referred to specialist clinicians in this region. A combined, coordinated, multidisciplinary clinic model addresses some of the barriers experienced by adults with Intellectual Disability in the secondary health system.
    10/2011; 2011:312492. DOI:10.1155/2011/312492
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    ABSTRACT: Weight loss is associated with bone loss; however, it is unclear whether loss of fat or loss of lean body mass plays the key role in this relationship. The aim of this longitudinal analysis was to clarify the relationship between hip BMD, hip BMC and whole body BMC with changes in fat and lean tissue mass in older men. The Concord Health and Aging in Men Project (CHAMP) is a population-based study in Sydney, Australia, involving 1705 men aged 70-97 years. Bone mineral density (BMD) of the total hip, and bone mineral content (BMC) of the hip and whole body (WB), lean mass and fat mass were measured with Dual X-ray Absorptiometry (DXA). Multivariate linear regression models were used to assess relationships. Over 2.2 years of follow-up, 368(33%) men lost at least 2% of their body weight, which included a mean loss of 0.8 kg/year of lean body mass and 0.9 kg/year of fat body mass. Fat loss was strongly associated with BMD loss in men who lost weight. As a group, weight losers lost 1.0% of hip BMD annually compared to 0.2% in men who gained weight, with each kilo of fat loss associated with 0.6%/year hip BMD loss (p<0.0001). Lean mass was not associated with hip BMD loss in weight losers, however, lean mass change was associated with BMD change in men who gained weight (0.3% hip BMD increase per kilo increase of lean mass p<0.01). Maintaining body weight is important for bone health in elderly men. Body fat plays an important role in this relationship, which may reflect the additional metabolic function of adipose tissue.
    Bone 09/2011; 49(6):1299-305. DOI:10.1016/j.bone.2011.08.026 · 4.46 Impact Factor
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    ABSTRACT: past research suggests that fall rates in older persons may differ by ethnicity. The aim of this study was to compare the incidence of falls between older male Italian-born immigrants and their Australian-born counterparts. this study analysed data from 335 Italian-born and 848 Australian-born men aged 70 years and over participating in the Concord Health and Ageing in Men Project (CHAMP). Prospective falls data were collected by 4 monthly phone calls (mean follow-up time: 26.7 months). Negative binomial regression compared falls incidence rate ratios (IRR) between the two groups of men. there were 37 (11%) Italian-born men and 185 (22%) Australian-born men who had two or more falls during follow-up (P < 0.001). Negative binomial analysis demonstrated that Italian-born men had half the incidence rate of falls compared with Australian-born men (IRR = 0.51, 95% CI = 0.38-0.67). After adjustment for falls risk factors, Italian-born men remained significantly less likely to fall with a 43% lower fall rate (IRR = 0.57, 95% CI = 0.39-0.85). older male Italian-born immigrants are less likely to fall than their Australian-born counterparts. Differences in fall rates between the two groups are not explained by established falls risk factors.
    Age and Ageing 07/2011; 40(5):595-601. DOI:10.1093/ageing/afr067 · 3.11 Impact Factor
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    ABSTRACT: The association between socioeconomic status (SES) and bone health, specifically in men, is unclear. Based upon data from the large prospective Concord Health in Ageing Men Project (CHAMP) Study of community-dwelling men aged 70 years or over, we found that specific sub-characteristics of SES, namely, marital status, living circumstances, and acculturation, reflected bone health in older Australian men. Previous studies reported conflicting results regarding the relationship between SES and bone health, specifically in men. The main objective of this study was to investigate associations of SES with bone health in community-dwelling men aged 70 years or over who participated in the baseline phase of the CHAMP Study in Sydney, Australia. The Australian Socioeconomic Index 2006 (AUSEI06) based on the Australian and New Zealand Standard Classification of Occupations was used to determine SES in 1,705 men. Bone mineral density and bone mineral content (BMC) were determined by dual-energy X-ray absorptiometry. Bone-related biochemical and hormonal parameters, including markers of bone turnover, parathyroid hormone, and vitamin D, were measured in all men. General linear models adjusted for age, weight, height, and bone area revealed no significant differences across crude AUSEI06 score quintiles for BMC at any skeletal site or for any of the bone-related biochemical measures. However, multivariate regression models revealed that in Australian-born men, marital status was a predictor of higher lumbar BMC (β = 0.07, p = 0.002), higher total body BMC (β = 0.05, p = 0.03), and lower urinary NTX-I levels (β=-0.08, p = 0.03), while living alone was associated with lower BMC at the lumbar spine (β=-0.05, p = 0.04) and higher urinary NTX-I levels (β=0.07, p = 0.04). Marital status was also a predictor of higher total body BMC (β = 0.14, p = 0.003) in immigrants from Eastern and South Eastern Europe. However, in immigrants from Southern Europe, living alone and acculturation were predictors of higher femoral neck BMC (β = 0.11, p = 0.03) and lumbar spine BMC (β = 0.10, p = 0.008), respectively. Although crude occupation-based SES scores were not significantly associated with bone health in older Australian men, specific sub-characteristics of SES, namely, marital status, living circumstances, and acculturation, were predictors of bone health in both Australia-born men and European immigrants.
    Osteoporosis International 05/2011; 22(5):1343-53. DOI:10.1007/s00198-010-1332-0 · 4.17 Impact Factor
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    ABSTRACT: The role of anxiety in pain is less well understood than the role of depression. Based on recent conceptual thinking about worry and pain, we explored the relationship between pain status and worry about health and anxiety in 1217 community-dwelling men aged 70 years or older who participated in the baseline phase of the Concord Health and Ageing in Men Project study, a large population-based epidemiological study of healthy ageing based in Sydney, Australia. We hypothesised that worry about health would be associated with having persistent pain, and that the association would be stronger in the presence of co-existing pain-related interference with activities (intrusive pain). Of men in the study, 12.5% had persistent and intrusive pain, 22.4% were worried about their health, and 6.3% had anxiety. We found a strong association between worry about health and pain that was both persistent and intrusive, and that remained after accounting for age, number of comorbidities, depression, self-rated health status, arthritis, and gait speed (adjusted odds ratio 2.9; 95% confidence interval 1.8-4.7), P<0.0001). The corresponding adjusted odds ratio for the association between anxiety and pain was 2.3 (95% confidence interval 1.0-4.8; P=0.0363). These findings suggest that at a population level, subthreshold anxiety and pain are strongly related, and worry about health occurs much more commonly than anxiety itself. To our knowledge, this is the first study to explore, specifically, the relationship between pain status and worry about health in older men. In older community-dwelling men, pain was robustly associated with worry about health, highlighting the potential importance of subthreshold anxiety-related psychological factors.
    Pain 02/2011; 152(2):447-52. DOI:10.1016/j.pain.2010.11.022 · 5.84 Impact Factor
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    ABSTRACT: Back pain is common in older people and is associated with functional disability and poor self-rated health. Older persons are under-represented in back pain research, and research on back pain in older persons from ethnic minorities is particularly sparse. We investigated differences in back pain characteristics, effects and medication use in a population-based sample of 335 Italian-born immigrants and 849 Australian-born men aged 70 years and over. There were 189 (62%) Italian-born men and 507 (63%) Australian-born men who reported experiencing back pain in the past 12 months. Despite no difference in the reported prevalence of back pain between the two groups of men, Italian-born men were more likely to report that their pain was frequent, severe and chronic. Italian-born men were also more likely to report having other sites of pain and that they had limited their activities in the past 12 months due to back pain. Despite these differences, the use of analgesic medication was the same in both groups. Multivariate analyses showed that differences in pain characteristics and effects between the two groups of men were explained by socioeconomic factors such as years of education and occupation history.
    European journal of pain (London, England) 01/2011; 15(1):70-6. DOI:10.1016/j.ejpain.2010.05.009 · 3.22 Impact Factor
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    ABSTRACT: Aging alone is not the only factor accounting for poor bone health in older men. There are modifiable factors and lifestyle choices that may influence bone health and result in higher bone density and lower fracture risk even in very old men. The aim of this cross-sectional analysis was to identify the factors associated with areal bone mineral density (BMD) and their relative contribution in older men. The Concord Health and Ageing in Men Project is a population-based study in Sydney, Australia, involving 1,705 men aged 70-97. Data were collected using questionnaires and clinical assessments. BMD of the hip and spine was measured by dual X-ray absorptiometry. In multivariate regression models, BMD of the hip was associated with body weight and bone loading physical activities, but not independently with age. The positive relationship between higher BMD and recreational activities is attenuated with age. Factors independently associated with lower BMD at the hip were inability to stand from sitting, a history of kidney stones, thyroxine use, and Asian birth and at the spine, chronic obstructive pulmonary disease, paternal fracture history, and thyroxine use. Higher body weight, participation in dancing, tennis or jogging, quadriceps strength, alcohol consumption, and statin use were associated with higher hip BMD, while older age, osteoarthritis, higher body weight, and aspirin use were associated with higher spinal BMD. Maintaining body weight, physical activity, and strength were positively associated with BMD even in very elderly men. Other parameters were also found to influence BMD, and once these were included in multivariate analysis, age was no longer associated with BMD. This suggests that age-related diseases, lifestyle choices, and medications influence BMD rather than age per se.
    Osteoporosis International 11/2010; 22(9):2421-37. DOI:10.1007/s00198-010-1478-9 · 4.17 Impact Factor
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    ABSTRACT: To determine the association between loss of muscle strength, mass, and quality and functional limitation and physical disability in older men. Cross-sectional study of older men participating in the Concord Health and Ageing in Men Project (CHAMP). Elderly men living in a defined geographical region in Sydney, Australia. One thousand seven hundred five community-dwelling men aged 70 and older who participated in the baseline assessments of CHAMP. Upper and lower extremity strength were measured using dynamometers for grip and quadriceps strength. Appendicular skeletal lean mass was assessed using dual X-ray absorptiometry. Muscle quality was defined as the ratio of strength to mass in upper and lower extremities. For each parameter, subjects in the lowest 20% of the distribution were defined as below normal. Functional limitation was assessed according to self-report and objective lower extremity performance measures. Physical disability was measured according to self-report questionnaire. After adjusting for important confounders, the prevalence ratio (PR) for poor quadriceps strength and self-reported functional limitation was 1.91 (95% confidence interval (CI) = 1.10-2.40); for performance-based functional limitation the PR was 1.81 (95% CI = 1.45-2.24). The adjusted PR for poor grip strength and physical disability in instrumental activities of daily living (IADLs) was 1.37 (95% CI = 1.20-1.56). The adjusted PR for low skeletal lean mass (adjusted for fat mass) and physical disability in basic activities of daily living was 2.08 (95% CI = 1.37-3.15). For muscle quality, the PR for lower extremity specific force and functional limitation and physical disability was stronger than upper extremity specific force. Muscle strength is the single best measure of age-related muscle change and is associated with physical disability in IADLs and functional limitation.
    Journal of the American Geriatrics Society 11/2010; 58(11):2055-62. DOI:10.1111/j.1532-5415.2010.03145.x · 4.22 Impact Factor
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    ABSTRACT: To determine the proportion of older Australian men who meet the Pharmaceutical Benefits Scheme (PBS) criteria for osteoporosis treatment and are receiving effective treatment. A population-based, cross-sectional analysis of the baseline phase of the Concord Health and Ageing in Men Project (CHAMP), a large epidemiological study focusing on the health of older men. Data were collected through questionnaires and clinical assessments. Bone mineral density (BMD) of the hip and spine was measured by dual x-ray absorptiometry (DXA). Vertebral deformities were identified from DXA lateral vertebral fracture assessment images. The study was conducted at Concord Hospital, Sydney, between January 2005 and May 2007. 1705 community-dwelling men aged 70 years or over from a defined geographical region around Concord Hospital. Prevalence of vertebral deformities; previous minimal trauma fractures; BMD T-scores ≤ - 3; falls in the previous 12 months; use of bisphosphonates and calcium and vitamin D supplements. Of the 1705 men seen at baseline, 1626 completed all DXA scans and 401 (25%) met one or more of the PBS criteria for osteoporosis treatment. Ninety per cent of the men who met the PBS criteria were unaware they had osteoporosis. Of the men eligible for PBS-subsidised treatment, 39 (10%) reported use of a bisphosphonate, 56 (14%) had taken calcium supplements, and 28 (7%) had taken vitamin D supplements. Only three men had taken calcium, vitamin D and bisphosphonates in combination. Despite a high prevalence of osteoporosis in elderly Australian men, awareness, diagnosis and treatment of the condition remain very low.
    The Medical journal of Australia 10/2010; 193(7):387-91. · 3.79 Impact Factor
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    ABSTRACT: The relationships between blood tests of liver function and injury (alanine transaminase [ALT], gamma-glutamyl transferase, bilirubin, and albumin) with age, frailty, and survival were investigated in 1,673 community-dwelling men aged 70 years or older. ALT was lower in older participants. Those participants with ALT below the median at baseline had reduced survival (hazard ratio 2.10, 95% confidence interval [CI] 1.53–2.87) up to 4.9 years. Older age, frailty, low albumin, low body mass index, and alcohol abstinence also were associated with reduced survival, with age and frailty being the most powerful predictors. Low ALT was associated with frailty (odds ratio 3.54, 95% CI 2.45–5.11), and the relationship between ALT and survival disappeared once frailty and age were included in the survival analysis. Low ALT activity is a predictor of reduced survival; however, this seems to be mediated by its association with frailty and increasing age. ALT has potential value as a novel biomarker of aging.
    The Journals of Gerontology Series A Biological Sciences and Medical Sciences 07/2010; 65(7):712-7. DOI:10.1093/gerona/glq082 · 4.98 Impact Factor
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    ABSTRACT: Previous research on the association between illness and depression in older people has relied on self-reported diagnoses with their inherent limitations in scope and reliability. This longitudinal study examined the association between depressive symptoms and medically-diagnosed chronic physical and neurodegenerative diseases and disability in community-living older people. In 1992, a random sample of 299 people aged 75 years and older underwent a clinical interview and medical examination by a physician experienced in geriatric medicine. This was repeated in 1995. The examination included diagnoses of chronic active physical illness, a standardized neurological examination, an assessment of functional disability and an abbreviated neuropsychological assessment. Depressive symptoms were assessed by the Centre for Epidemiological Studies - Depression scale. Multivariate analyses of concurrent associations, longitudinal associations and the impact of incident disease showed very few independent connections between individual diseases or the total burden of disease and depressive symptoms. However, in every circumstance, disability had a marked independent impact on depressive symptoms. Insofar as the diseases examined in this study are concerned, the association between physical disease and depressive symptoms in older people appears to be mediated through disability; disease may or may not result in disability but disability is likely to lead to increased depressive symptoms.
    Aging and Mental Health 06/2010; 3(4):351-357. DOI:10.1080/13607869956136 · 1.78 Impact Factor
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    ABSTRACT: frailty is a concept used to describe older people at high risk of adverse outcomes, including falls, functional decline, hospital or nursing home admission and death. The associations between frailty and use of specific health and community services have not been investigated. the cross-sectional relationship between frailty and use of several health and community services in the last 12 months was investigated in 1,674 community-dwelling men aged 70 or older in the Concord Health and Ageing in Men study, a population-based study conducted in Sydney, Australia. Frailty was assessed using a modified version of the Cardiovascular Health Study criteria. overall, 158 (9.4%) subjects were frail, 679 (40.6%) were intermediate (pre-frail) and 837 (50.0%) were robust. Frailty was associated with use of health and community services in the last 12 months, including consulting a doctor, visiting or being visited by a nurse or a physiotherapist, using help with meals or household duties and spending at least one night in a hospital or nursing home. Frail men without disability in activities of daily living were twice more likely to have seen a doctor in the previous 2 weeks than robust men (adjusted odds ratio 2.04, 95% confidence interval 1.21-3.44), independent of age, comorbidity and socio-economic status. frailty is strongly associated with use of health and community services in community-dwelling older men. The high level of use of medical services suggests that doctors and nurses could play a key role in implementation of preventive interventions.
    Age and Ageing 03/2010; 39(2):228-33. DOI:10.1093/ageing/afp257 · 3.11 Impact Factor
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    ABSTRACT: to describe the prevalence and impact on quality of life of urinary incontinence in a population-based cohort of older community-dwelling Australian men. the population comprised 1,705 men aged >or=70 years participating in the Concord Health and Ageing in Men Project, a population-based study of urban older Australian men. data were collected between January 2005 and June 2007, and the participation rate was 47%. Data on demographics, medical history and from the 12-item Short Form Health Survey (SF-12) and International Consultation on Incontinence Questionnaire were collected. Urinary incontinence was defined as urinary leakage at least two times a week over the past 4 weeks. the prevalence of urinary incontinence was 14.8%, increasing from 12.0% for men aged 70-74 years old to 16.3% for those aged >or=90 years, with urgency incontinence being the most frequent type of urinary incontinence. Daily urine leakage was reported by 3% of men. Men with incontinence had lower overall SF-12 scores with greater impact on the physical (PCS) than the mental (MCS) components of that scale. After adjusting for age, number of co-morbidities, enlarged prostate and prostate cancer, men with incontinence had worse PCS (43.6 vs 45.9) and MCS scores (52.2 vs 54.6) compared with continent men. urinary incontinence is common among older community-dwelling men and is associated with worse quality of life with greater impact on physical than mental factors. As the population ages, urinary incontinence prevalence will increase and increased resources will be needed to address this growing problem.
    Age and Ageing 03/2010; 39(3):349-54. DOI:10.1093/ageing/afq025 · 3.11 Impact Factor
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    ABSTRACT: To describe the prevalence of depressive symptoms in older male Italian-born Australian immigrants. Cross-sectional study of 335 Italian-born and 849 Australian-born men aged 70 years and over who completed written questionnaires and were interviewed in the baseline phase of the Concord Health and Ageing in Men Project (CHAMP). Depressive symptoms assessed by the short (15-item) form of the Geriatric Depression Scale; associations between depressive symptoms and country of birth. The prevalence of depressive symptoms in Italian-born men was 18%, almost twice the prevalence of 10% in Australian-born men (odds ratio [OR], 1.9; 95% CI, 1.2-3.0). After adjusting for socioeconomic and health factors, the relationship between country of birth and depressive symptoms was attenuated and no longer statistically significant (OR, 1.7; 95% CI, 0.9-3.0). The strongest confounders of the relationship between country of birth and depressive symptoms were source of income and satisfaction with social support. Male Italian-born immigrants aged over 70 years report more depressive symptoms than their Australian-born counterparts. This association appears to be explained by increased reliance on a government pension as the sole source of income and lower satisfaction with social support among Italian-born men. However, these findings need to be confirmed longitudinally.
    The Medical journal of Australia 02/2010; 192(3):158-62. · 3.79 Impact Factor
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    ABSTRACT: The clinical presentations in dementia with Lewy bodies (DLB) and frontotemporal dementia (FTD) overlap considerably with that of Alzheimer's disease (AD) despite different pathological processes. Autopsy studies have also shown that multiple brain pathology occurs frequently, even in cases with a single clinical diagnosis. We aimed to determine the frequency of clinical diagnosis of FTD and DLB and the underlying pathology in a well-characterized cohort of patients with a clinical diagnosis of probable or possible AD. We conducted a retrospective analysis of 170 AD patients (probable AD = 83; possible AD = 87) originally enrolled in a case-control study, 27 with postmortem examination, to establish the number of cases meeting probable diagnosis for FTD and DLB, using a checklist of features compiled from their consensus criteria. 23/83 probable AD cases and 32/87 possible AD cases met probable criteria for another dementia, more commonly DLB than FTD. AD pathology was present in 8/15 probable AD and 8/12 possible AD cases coming to autopsy. DLB pathology was seen in four cases and FTD pathology in eight cases. In the AD cases reaching clinical diagnosis for a second dementia syndrome and coming to autopsy, a minority showed non-AD pathology only. Presence of core clinical features of non-AD dementia syndromes is common in AD. Concordance between clinical and pathological diagnoses of dementia remains variable. We propose that repeat clinical examinations and structural neuroimaging will improve diagnostic accuracy. In addition, clinical diagnostic criteria for the main dementia syndromes require refinement.
    International Psychogeriatrics 07/2009; 21(4):688-95. DOI:10.1017/S1041610209009454 · 1.89 Impact Factor

Publication Stats

3k Citations
448.32 Total Impact Points


  • 1996–2015
    • Concord Hospital
      Concord, New Hampshire, United States
  • 1992–2012
    • University of Sydney
      • Centre for Education and Research on Ageing
      Sydney, New South Wales, Australia
    • Johns Hopkins University
      Baltimore, Maryland, United States
  • 1999–2011
    • Concord Repatriation General Hospital
      Sydney, New South Wales, Australia
  • 2004
    • Garvan Institute of Medical Research
      Darlinghurst, New South Wales, Australia
  • 2000
    • Prince of Wales Hospital and Community Health Services
      Sydney, New South Wales, Australia
  • 1990–1995
    • Repatriation General Hospital
      Tarndarnya, South Australia, Australia
  • 1993
    • Australian National University
      • Centre for Mental Health Research
      Canberra, Australian Capital Territory, Australia