Helen-Maria Vasiliadis

Helen-Maria Vasiliadis
Université de Sherbrooke | UdeS · Department of Community Health Sciences

MSc, PhD

About

172
Publications
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2,317
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Publications

Publications (172)
Article
Background We aimed to determine the prevalence of past-year health service use for mental health reasons in a French representative sample of adults overall and in those reporting suicidal ideation in the past year and assess the factors associated with health service use according Andersen's model of healthcare seeking behaviors. Methods Data we...
Article
Contexte La compréhension des déterminants et barrières à la vaccination contre la COVID-19 est un enjeu de santé publique. Méthodes Enquête transversale chez les aînés au Québec. Les données collectées par le biais d'entretiens téléphoniques au printemps 2021 (3e vague) auprès de 476 sujets ≥ 65 ans vivant à domicile comprenaient : le statut vacc...
Article
Objective: The goal of this study is to determine the impact of sex on the effects of different antihypertensive drugs classes, whether in monotherapy or in combination therapy, on the global cognition scores of older adults to identify the most appropriate medication regime in men and women. Design and method: This study used the ESA - Services...
Article
Objective: To study the factors associated with opioid use and potentially inappropriate opioid use (PIOU) in primary care older adults with non-cancer pain referring to the conceptual framework developed by the American Agency for Healthcare Research and Quality. Methods: This is a secondary analysis of health survey and medico-administrative d...
Article
Objectives: Anxiety has been associated with childhood abuse/neglect, but this relationship and its mechanisms are poorly documented in older adults. This study examined the association between childhood abuse/neglect and late-life anxiety temporal patterns (i.e. absence, remission, incidence, persistence), testing for mediators. Methods: Data w...
Article
Objectives: To identify profiles of aging by combining psychological distress, cognition and functional disability, and their associated factors. Methods: Data were drawn from the Étude sur la Santé des Aînés-Services study and included 1585 older adults. Sociodemographic, psychosocial, lifestyle and health factors were informed from structured...
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Background Depression and anxiety disorders in older adults are associated with a great burden. Research has shown that less than 50% of adults receive adequate treatment in primary care settings for these disorders. Rare are the studies however assessing adequate treatment in older adults and associated costs from the societal perspective. Given t...
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PurposeThe epidemiology of late-life psychosis (LLP) remains unclear comparatively to early-onset psychosis. The study aims to estimate the prevalence and incidence of LLP over a 3-year period and examine the correlates of LLP in community-living older adults aged ≥ 65 years recruited in primary care. Methods Study sample included N = 1481 primary...
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Background The integration of a personal recovery-oriented practice in mental health services is an emerging principle in policy planning. Self-management support (SMS) is an intervention promoting recovery that aims at educating patients on the nature of their mental disorder, improving their strategies to manage their day-to-day symptoms, fosteri...
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Background There was an increase in self-reported mental health needs during the COVID-19 pandemic in Canada, with research showing reduced access to mental health services in comparison to pre-pandemic levels. This paper explores 1) barriers and facilitating factors associated with mental health service delivery via primary care settings during th...
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Objective To examine the associations between BMI categories and subsequent 3-year cognitive decline among older adults, and to test whether physical activity modifies the associations. Methods Study sample included n = 1028 cognitively unimpaired older adults participating in the Étude sur la Santé des Aînés (ESA)-Services longitudinal study and...
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Objectives To estimate the prevalence of ADHD, and related comorbidities, mortality, and type of health service use among children and young adults, using different case definitions. Methods We conducted a population-based retrospective cohort study between 2000 and 2018, using the Quebec Integrated Chronic Disease Surveillance System (QICDSS) dat...
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Receipt of quality mental health (MH) care can influence mortality. Given the scarce literature on the topic, the aim was to assess the 3-year risk of mortality in older adults (OA) associated with receiving adequate MH treatment for depression/anxiety in an epidemiologic context. The study sample included 358 OA with depression/anxiety recruited i...
Article
Objective: Numerous professions are considered at risk of developing work-related posttraumatic stress disorder (PTSD), as per DSM-5. This study sought to identify the prevalence of PTSD among lawyers and its associated work and non-work-related risk and moderating factors. Method: A cross-national sample of Canadian lawyers (N = 169) completed...
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Objective To assess the individual and health system factors and health-related outcomes associated with perceived need for mental health care in older adults consulting in primary care. Method This longitudinal cohort study was conducted among 771 cognitively intact older adults aged ≥65 years recruited in primary care practices in Quebec between...
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Background: Neuropsychological alterations co-occur with Posttraumatic Stress Disorder (PTSD); yet, the nature and magnitude of such alterations in police officers remains unknown despite their high level of trauma exposure. Objective: The current research sought to examine (1) cognitive functioning among police officers with and without PTSD; (...
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The authors found two minor errors in the text, abstract and Table 2: 1. In the abstract and results section, “(beta: 2.83, CI 0.12; 5.79, p = 0.060)” should instead read “(beta: 2.83, CI − 0.12; 5.79, p = 0.060)”. 2. In Table 2 (change in HRQOL), the unadjusted beta estimate and confidence interval for small (< 3 GP) vs large clinics (≥ 3 GP) read...
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Background Studies on the long-term outcomes of receiving adequate treatment for depression and anxiety disorders are scarce. The aims of this study were to assess the association between adequacy of care and remission of common mental disorders (CMD) and change in quality of life among a population of older adults consulting in primary care. Meth...
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Background Canadians of South Asian (SA) origin comprise the largest racialized group in Canada, representing 25.6% of what Statistics Canada terms “visible minority populations”. South Asian Canadians are disproportionately impacted by the social determinants of health, and this can result in high rates of mood and anxiety disorders. These factors...
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Background The Advanced Access (AA) Model has shown considerable success in improving timely access for patients in primary care settings. As a result, a majority of family physicians have implemented AA in their organizations over the last decade. However, despite its widespread use, few professionals other than physicians and nurse practitioners...
Article
Objective To examine associations between chronic pain conditions, pain level, and subclinical/clinical anxiety in community-dwelling older adults. Design Cross-sectional associations were analyzed using multinomial logistic regression to compare the odds of having subclinical/clinical anxiety by painful condition and pain level, controlling for c...
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Few studies have examined predictors of recurrent high ED use. This study assessed predictors of recurrent high ED use over two and three consecutive years, compared with high one-year ED use. This five-year longitudinal study is based on a cohort of 3121 patients who visited one of six Quebec (Canada) ED at least three times in 2014-2015. Multinom...
Article
Objectives: To examine the associations between chronic physical conditions and suicidal ideation and to assess whether associations are mediated by pain, anxiety, depression, post-traumatic stress syndrome (PTSS), and functional disability. Methods: The study sample includes 1533 older adults aged 65+ recruited in primary care clinics between 2...
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Objectives: To examine the risk factors of mortality stratified by physical and mental multimorbidity (PMM) and area socioeconomic status. Methods: Cox regression analyses were used to study 3-year all-cause mortality in primary care older adults stratified by PMM status, and area of residence material and social deprivation. Results: There were so...
Article
Canada's provinces are without a publicly funded psychotherapy program for common mental disorders despite evidence that psychological services help reduce the length and number of depressive episodes, symptoms of post-traumatic stress and associated negative outcomes (hospitalizations and suicide attempts). Studies also show that including psychol...
Article
Aim: To assess the impact of sociodemographic factors and beliefs about medicines on the uptake of pharmacogenomic testing in older adults in a public healthcare system. Materials & methods: Data are based on a sample of 347 primary care older adults. Results: Most respondents (90%) were willing to provide a saliva sample and 47% were willing to pa...
Article
Objectives : We examined relationship between anemia and depression and whether sex and global cognition modify this relationship over a 4-year follow-up. Design : Longitudinal analysis of an international cohort study Settings and participants : Older adults from the International Mobility in Aging Study (IMIAS) aged between 65 and 74 years at b...
Article
Background The prevalence and associated factors related to psychotic symptoms in older adults are understudied. The objectives were to assess the prevalence, incidence and factors associated with psychotic symptoms in a representative Greek sample of community living older adults. Methods The sample includes n = 1,904 residents of the cities of L...
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Background: We examined the longitudinal relationships between hemoglobin concentrations or the severity of anemia and depression and whether baseline cognitive function modifies these longitudinal relationships over 4 years of follow-up. Methods: A total of 1608 community-dwelling older adults from the International Mobility in Aging Study (IMIAS)...
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Opioid use is a growing concern in North America, particularly among older adults. Despite the opioid crisis and the aging population, few studies have evaluated the factors associated with opioid use among older adults. Our sample includes 1657 people aged ≥65 years recruited in primary care clinics from 2011 to 2013 in the Montérégie region of Qu...
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Prescription opioid use is concerning among older adults. Yet, few studies have examined the impact of opioid use on mortality by considering multimorbidity. Our sample includes 1586 older adults aged ≥65 recruited in primary care from 2011-2013 in a large health administrative region in Quebec and participating in the ESA-Services study, a longitu...
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Studies that examined satisfaction with care in older adults are scarce. The aim of this research was to analyse satisfaction among older adults considering mental health, socio-clinical and health system factors and by age category. Data come from the Étude sur la Santé des Aînés Services study including 1,624 adults aged ≥65 years recruited betwe...
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Although social inequalities are increasing worldwide, few studies have examined their consequences on mortality among older adults. The aim of this research was to examine determinants of mortality among older adults at the individual, health system and area level. Data come from the ESA-Services study conducted in 2011-2013 in Quebec including 1,...
Article
Background Transdiagnostic group cognitive-behavioral therapy (tCBT) is a delivery model that could help overcome barriers to large-scale implementation of evidence-based psychotherapy for anxiety disorders. The aim of this study was to assess the effectiveness of combining group tCBT with treatment-as-usual (TAU), compared to TAU, for the treatmen...
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Purpose of Review Anxiety disorders are the most prevalent mental disorders. Although prevalence estimates are lower in males than females, the disability associated with anxiety disorders has been increasing in males. This review focuses on recent research studying sex differences in anxiety disorders and associated symptoms in older adults. Rece...
Article
Anemia is a common hematological condition in older adults, with estimated prevalence increasing with age after the fifth decade of life. 1 We examined the cross‐sectional and longitudinal relationships between hemoglobin concentrations and depression in older adults and whether these relationships were modified by sex, social context, or cognitive...
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Purpose: The objective of this exploratory study was to evaluate the effects of a brief intervention intended to optimize the sleep environment in older people living in the community and to examine the way these effects change over time. Methods: The sample was made up of 44 participants (19 men and 25 women) aged 65-85 years, with a mean age o...
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Background: Training based on the Mental Health Gap Action Programme (mhGAP) is being increasingly adopted by countries to enhance non-specialists’ mental health capacities. However, the influence of these enhanced capacities on referral rates to specialised mental health services remains unknown. Aims: We rely on findings from a longitudinal pilo...
Article
In this article, Canadian psychotherapy researchers and teachers review the state of psychodynamic therapy (PDT) in Canada. We review the ways in which PDT has been implemented, developed and researched within the public and private sector, and how psychoanalytic and psychodynamic practitioners regionally have responded to the challenges of evidenc...
Article
Background The prevalence and associated factors related to psychotic symptoms in older adults are understudied. The objectives were to assess the prevalence, incidence and factors associated with psychotic symptoms in a representative Greek sample of community living older adults. Methods This study includes older adults aged ≥ 65 years participa...
Article
Background Previous studies show that less than 50% of adults in Canada receive guideline- concordant care for depression and anxiety disorders. Studies on the long-term effects of receiving adequate care for depression and anxiety disorders are scarce, particularly in older adults. This study aimed to assess the 3-year change in health-related qua...
Article
Background Opioid use is particularly concerning among older adults. In Canada, those aged 65 years and older have the highest hospitalization rates due to opioid poisonings. Despite the current opioid crisis and the aging population, few studies have evaluated the factors associated with opioid use among seniors. Objective To examine the factors...
Article
Running head role of global cognition in the association between Anemia and depression. Background We examined the longitudinal relationships between hemoglobin concentrations or Anemia and depression and whether baseline cognitive function modifies these longitudinal relationships over 4 years of follow-up. Methods A total of 1608 community-dwel...
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Full-text available
People living with and beyond cancer (PLC) experience financial hardship associated with the disease and its treatment. Research demonstrates that the "economic toxicity" of cancer can cause distress and impair well-being, health-related quality of life and, ultimately, survival. The Patient Self-Administered Financial Effects (P-SAFE) questionnair...
Article
Introduction Studies focusing on anxiety temporal patterns and cortisol activity in older adults are scarce. The objectives of this study were to examine in older adults the relationship between anxiety temporal patterns and cortisol activity and ascertain the presence of sex differences. Methods Data were retrieved from the Étude sur la santé des...
Article
We aimed to document in primary care older adults the relationship between family violence (FV) and mental and physical health, satisfaction with life, and health service use, by gender. The study sample included data from 1,658 older adults recruited in primary care practices, in one of the largest health regions in the province of Quebec. The pre...
Article
RATIONALE: A recent Cochrane review concluded that Pulmonary Rehabilitation (PR) post-acute exacerbations of chronic obstructive pulmonary disease (AECOPD) is safe, reduces hospital admissions and improves quality of life and exercise capacity of patients post-AECOPD. Despite these benefits, recent reports have highlighted poor referral, uptake and...
Article
Introduction: Instrumental activities of daily living (IADL) are key indicators of general functional status that are frequently used to assess the autonomy of older adults living in the community. Aims: To evaluate the changes in IADL in community-living older adults and the role of common mental disorders and physical multimorbidity in predicting...
Article
Background: Few studies have examined the association between mental health and satisfaction with primary care services in community-dwelling older adults. Objective: To examine the association between mental health in older adults and low satisfaction with primary care services within four dimensions of care. Methods: This secondary data anal...
Article
Objectives Examine the association between trauma and daily stressors, post-traumatic stress syndrome (PTSS), anxio-depressive disorders, and suicidal ideation in older adults. Design A cross-sectional study. Setting and Participants This study included 1446 older adults recruited in primary care practices (2011–2013) and participating in Quebec’...
Research
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Les personnes avec des troubles mentaux (TM), incluant les troubles liés aux substances (TLS), utilisent plus fréquemment les services d'urgence que la population générale. Basée sur l'analyse de banques de données médico-administratives regroupant 98% de la population du Québec, cette étude permet de mieux cerner les besoins de services des patien...
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Background: People living with and beyond cancer (PLC) receive various forms of specialty care at different locations and many interventions concurrently or over time. They are affected by the operation of professional and organizational silos. This results in undue delays in access, unmet needs, sub-optimal care experiences and clinical outcomes,...
Article
Background: Long-term benzodiazepine (BZD) use among seniors is mostly inappropriate and associated with adverse health outcomes. To prevent these consequences, withdrawal is crucial, yet knowledge is limited about what predicts BZD discontinuation. Until now, most studies have focused on sociodemographic and BZD intake factors as predictors while...
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Bakouni H, Gentil L, Vasiliadis HM. Patient Prefer Adherence. 2019;13:891–899. Following a review of the paper post-publication, the authors found that for the hypertension only and hypertension and diabetes mellitus groups, the estimates presented were for the absolute change and not the percentage change in Mini-Mental State Examination (MMSE) s...
Article
Objectives: This study identified factors associated with frequency of emergency department (ED) use for mental health (MH) reasons in Quebec during 2015-2016. Methods: Participants (n = 115,066) were categorized as: 1) low (1 visit/year; 76%); 2) moderate (2 visits/year; 14%); and 3) high (3+ visits/year; 10%) ED users. Independent variables in...
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Background: Multimorbidity is a global health issue, particularly for older adults in the primary care setting. An adequate portrayal of its epidemiology is essential to properly identify and understand the health care needs of this population. This study aimed to compare the differences in the prevalence of selected chronic conditions and multimo...
Conference Paper
Background and objectives Emergency departments (EDs) crowding is a common issue worldwide, and Canada is no exception. EDs’ performance in Quebec is steadily the object of media attention, and is a recurring governmental priority. Despite significant investments, length of stays (LOS) stagnate, and a perceived “crisis” persist. The objective is to...
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Background and objectives: Chronic disorders such as diabetes mellitus type II and hypertension have been associated with cognitive decline in older adults. It is unclear whether adherence to antihypertensive and oral hypoglycemic agents impact cognitive health. The objectives are to study the association between adherence to antihypertensive and o...
Article
Aims: To evaluate the association between adherence to antidepressants and self-reported side effects while considering their tolerability among primary care community-dwelling older adults. Methods: This is a secondary analysis of data available for 137 individuals participating in the third wave of the Étude sur la Santé des Aînés – Services stud...
Article
To determine the relationship between off-label use of antipsychotics (AP) and health related quality of life (HRQL) in older adults. This study was based on n = 1020 community living older adults, participating in the ‘Étude sur la santé des ainés’ (ESA)-Services longitudinal study (2010–2015) and covered under Quebec’s public drug insurance plan....
Article
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Background This descriptive study compared 2014–15 to 2005–06 data on the quality of mental health services (MHS) in relation to emergency room (ER) use to assess the impact of the 2005 Quebec MH reform regarding access, continuity and appropriateness of care for patients with mental illnesses (PMI). Methods Data emanated from the Quebec Integrate...
Article
Objectives To estimate the 6‐month prevalence of Generalized Anxiety Disorder (GAD) in primary care patients aged 70 years and over and to describe their clinical profile, including types of worries. Methods/Design Participants (N=1193) came from the ESA‐services study conducted in Quebec, Canada. An in‐person structured interview was used to iden...
Article
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Background: Anxiety disorders are the most common mental disorders in community settings, and they are associated with significant psychological distress, functional and social impairment. While cognitive behaviour therapy (CBT) is the most consistently efficacious psychological treatment for anxiety disorders, barriers preclude widespread impleme...
Article
Objectives This study investigated emergency department (ED) use, reasons for emergency visits, hospitalization rates, and duration of hospitalization in 2014-15 for a cohort of patients with mental disorders (MDs) including substance use disorders (SUDs), regarding sex, age and residential areas. Results were compared with data from patients witho...
Article
Objective The prevalence of diagnosed autism spectrum disorders (ASD) has risen steadily over time. There is therefore a need for the monitoring of treated ASD for timely policy making. The objective of this study is to report and compare over a 10-year period the prevalence and incidence rate of diagnosed ASD in four Canadian provinces. Methods Th...
Article
Objectives Population based studies on linked health administrative databases (HADBs) characterizing those who die by suicide and their use of health services are rare. The objectives of this study were to describe the use of health services among people who died by suicide in Quebec, with and without previously receiving a mental disorder (MD) and...
Article
L’urgence joue un rôle de baromètre de la qualité du système de santé. Basée sur le Système intégré de surveillance des maladies chroniques du Québec (SISMACQ), une cohorte de patients avec troubles mentaux (TM) incluant les troubles liés aux substances psychoactives (TLS) est décrite quant à son utilisation de l’urgence, de l’hospitalisation, incl...
Article
Background: The effect of alcohol consumption on cognitive decline is not clear. We aimed to study the association between alcohol consumption and cognitive functioning controlling for functional heath status. Methods: A total of 1610 older adults with a score ≥26 on the Mini-Mental State Examination (MMSE) were followed to assess the change in...
Article
Objective: To study the factors associated with hospital readmission. Methods: Data used in this study came from a population-based survey of older adults without cognitive impairment. Cox regression was used to assess the factors associated with readmission within a 2-year follow-up period. According to Andersen's model of healthcare seeking be...