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1.
Psychol Med ; 54(8): 1475-1499, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38523245

ABSTRACT

Globally, mental disorders account for almost 20% of disease burden and there is growing evidence that mental disorders are socially determined. Tackling the United Nations Sustainable Development Goals (UN SDGs), which address social determinants of mental disorders, may be an effective way to reduce the global burden of mental disorders. We conducted a systematic review of reviews to examine the evidence base for interventions that map onto the UN SDGs and seek to improve mental health through targeting known social determinants of mental disorders. We included 101 reviews in the final review, covering demographic, economic, environmental events, neighborhood, and sociocultural domains. This review presents interventions with the strongest evidence base for the prevention of mental disorders and highlights synergies where addressing the UN SDGs can be beneficial for mental health.


Subject(s)
Mental Disorders , Social Determinants of Health , Sustainable Development , Humans , Mental Disorders/therapy , United Nations , Global Health
2.
Cult Health Sex ; 26(1): 93-107, 2024 Jan.
Article in English | MEDLINE | ID: mdl-37014229

ABSTRACT

Learning to negotiate relationships is a key feature of adolescence, yet insight into young people's perspectives on what constitutes healthy relationships is lacking. In this study, therefore, insights were sought on healthy relationship qualities, common issues encountered, and relevant educational experiences. Semi-structured interviews were undertaken with 18 young people (11 self-identified as female, 5 male, and 2 trans/gender-diverse) aged 14-20 years, residing in Adelaide, South Australia. Relationships with parents, siblings, peers and intimate partners were topics for discussion. Reflexive thematic analysis was utilised to generate codes and themes. The Five Cs of Positive Youth Development were used to aid understanding of findings. Young people's accounts suggested a disjuncture between desired relationship qualities, realities and education on relationships and sexual health. Young people articulated tensions navigating peer norms and societal expectations in relation to dating and sex, including unrealistic representations, gender stereotyping and strong 'sexpectations'. Participants in this study relied more heavily on personal experience and observation than formal education to develop an understanding of healthy relationships. Achieving healthy relationships was generally perceived to be complex and requiring skills or understanding informants were unsure about. Positive Youth Development could provide a framework for meeting the needs expressed by young people, notably by building communication skills, confidence and agency.


Subject(s)
Sexual Behavior , Sexual Partners , Adolescent , Humans , Male , Female , Gender Identity , Peer Group , Health Status
3.
PLOS Glob Public Health ; 3(8): e0001938, 2023.
Article in English | MEDLINE | ID: mdl-37610987

ABSTRACT

Although the UK has been relatively spared significant geophysical impacts of climate change, many people, youth in particular, are increasingly worried about climate change. The psychological distress associated with the (perceived) threat of climate change has been linked to poorer mental wellbeing but can also promote adaptive responses such as engagement in pro-environmental behaviour. In this mixed methods study, we delve deeper into the experience of 'climate distress' among UK residents aged 16-24 (N = 539). We conducted an online survey assessing general mental health, subjective wellbeing, and climate distress with existing scales. We also included novel questions assessing positive and negative life impacts of climate change, open-ended questions on aspirations and priorities for the future, and engagement in pro-environmental and climate actions. Our findings indicate that mental health factors may contribute to vulnerability to climate distress. Predictably, socio-psychological responses to climate change (i.e., frustration over inaction, lack of control, and shame or guilt about one's own contributions) were linked to higher scores on the climate distress scale. Negatively appraised climate change-related events (i.e., seeing an environment they care about change for the worse) were associated with higher climate distress. Individuals with high climate distress (10.1% of our sample) reported worrying about the impact of climate change on their own future more frequently than any other topic surveyed (including personal finance, career, relationships, politics). Both positive (hope/interest) and negative (anger/frustration) emotions inspired action-taking, especially climate activism, which was negatively predicted by guilt/shame and sadness/fear. Private-sphere pro-environmental actions appeared less driven by strong emotions. Overall, our findings present a more nuanced picture of climate distress in terms of emotional responses, behaviour, and mental health. Longitudinal research is urgently needed to understand how distress may change over time, and the conditions that lead to adaptive and maladaptive outcomes.

4.
Support Care Cancer ; 31(8): 478, 2023 Jul 21.
Article in English | MEDLINE | ID: mdl-37477703

ABSTRACT

PURPOSE: Cancer survivorship in Australia continues to increase due to new methods for early detection and treatment. Cancer survivors face challenges in the survivorship phase and require ongoing support. A telephone-delivered cancer survivorship program (CSP), including health and mental health coaches, was developed, piloted, and evaluated in Eastern Australia. METHODS: Cancer survivors' (n = 7), coaches' (n = 7), and hospital staff (n = 3) experiences of the CSP were explored through semi-structured interviews. Quantitative data routinely collected throughout the pilot of the CSP was described (N = 25). RESULTS: Three syntheses and 11 themes were generated through thematic analysis. The first synthesis centred around operational factors and highlighted a need to streamline communication from the point of recruitment, through to program delivery, emphasising that the program could be beneficial when timed right and tailored correctly. The second synthesis indicated that the CSP focused on appropriate information, filled a gap in support, and met the needs of cancer survivors by empowering them. The third synthesis focussed on the value of mental health support in the CSP, but also highlighted challenges coaches faced in providing this support. Descriptive analysis of quantitative data indicated improvements in self-management, weekly physical activity, and meeting previously unmet needs. CONCLUSIONS: Cancer survivors expressed appreciation for the support they received through the CSP and, in line with other cancer survivorship research, predominantly valued just having somebody in their corner. IMPLICATIONS FOR CANCER SURVIVORS: Recommendations are made for improving cancer survivorship programs in the future.


Subject(s)
Cancer Survivors , Neoplasms , Humans , Cancer Survivors/psychology , Australia , Survivors/psychology , Survivorship , Communication , Neoplasms/therapy
5.
Pain Ther ; 12(2): 449-460, 2023 Apr.
Article in English | MEDLINE | ID: mdl-36595182

ABSTRACT

INTRODUCTION: Globally, chronic pain affects more than 30% of people worldwide and is the leading cause of disability and health care utilisation. Access to timely, person-centred, cost-effective programs is unattainable for most. People living in regional, rural and remote areas are disproportionately affected due to scarcity of services and qualified, multidisciplinary health and medical professionals. Caring and supporting people with chronic pain involves a range of interventions that incorporate a multifaceted bio-psychosocial approach. Tertiary and primary chronic pain services are optimally placed to deliver integrated models of care. This pilot study explored the effectiveness of an integrated Guided Self-Help (GSH) program within a multidisciplinary tertiary pain unit in a public hospital in Australia. METHODS: A service delivery evaluation was undertaken and a pilot study implemented to determine feasibility and useability of an integrated GSH program for people with chronic pain. A single-group pre-post evaluation was provided to a convenience sample of 42 people referred to the Flinders Medical Centre Pain Management Unit (FMC PMU). Delivered via telehealth or in person by postgraduate students, a manualised GSH workbook was utilised to support adherence and fidelity. Content included goal setting, pain conceptualisation, psychoeducation, activity scheduling, pacing and cognitive strategies. The purpose of the integrated GSH pilot program was to support participants in gaining increased pain literacy, knowledge of effective physical and psychological strategies and enhance self-management of their chronic pain. Levels of psychological distress (PHQ-9 and GAD-7), pain catastrophising (PCS), and pain severity/interference (BPI) were assessed at the beginning and end of support. Integrating the program within a multidisciplinary pain unit intended to facilitate and provide participants with an understanding of their pain through a psychosocial lens, build self-efficacy, and recognise the benefits of other non-medical supports to manage their chronic pain in the future. Outcome data were routinely collected as part of FMC PMU usual practice for clinical and quality assurance purposes, then analysed retrospectively. Thus, under the National Health and Medical Research Council (NHMRC) Ethical Considerations in Quality Assurance and Evaluation Activities guidelines (NHMRC, 2014), and verified by the Southern Adelaide Local Health Network (SALHN) Research Committee (our institutional review board) via email (dated 10/09/2020), ethical review and approval were not required for this project as it constituted a quality improvement activity - specifically, a service delivery evaluation. This project is registered with the SALHN Quality Library (for quality assurance activities that are exempt from ethical approval) (Quality Register ID 3390). RESULTS: Participants showed statistically significant improvements on the PHQ-9 [i.e., mean drop of 2.85 (t = 3.16)], GAD [mean drop of 2.52 (t = 2.71)], and PCS [mean drop of 7.77 (t = 3.47)] with small-to-moderate effect sizes. BPI scores did not change. Results were similar when stratifying analyses by those who completed 2-5 versus 6-12 sessions. CONCLUSION: Integrating a GSH program for people with chronic pain into a multidisciplinary tertiary pain clinic is an efficacious and scalable way to increase access to effective strategies that can increase self-efficacy and self-management. Novel, scalable, and effective solutions are needed to improve quality of life and address disparities for people with chronic pain. The psychological shifts and benefits observed support efficacy towards self-management strategies that can increase autonomy and quality of life.


Globally, chronic pain affects more than 30% of people worldwide and is the leading cause of disability and healthcare use. Access to available, effective, and individualised programs is unattainable . People living in regional, rural and remote areas are disproportionately affected due to scarcity of services and qualified, multidisciplinary health and medical professionals. Scalable solutions are needed to increase access to effective, evidence-based care options and reduce inequities for people with chronic pain. Caring and supporting people with chronic pain requires effective, multifaceted bio-psychosocial approaches that are tailored to individual needs. Using 'coaches', a manualised Guided Self-Help (GSH) program was integrated within a multidisciplinary tertiary pain unit in a public hospital in Australia, which showed promising solutions to increasing access and availability of timely, cost-effective supports that can be delivered via mobile devices. This pilot study explored the effectiveness of offering a GSH program to people with chronic pain integrated into a hospital-based, public, pain management unit to see if it increased people's understanding of their pain and strategies that would support self-management. Coaches working in multidisciplinary teams can support people with information and strategies for their chronic pain, which can free up higher-trained health and medical professionals to care for people with greater complexity and ensure that timely access to support is received by matching need to level and type of support.

6.
Health Promot J Austr ; 33(2): 324-328, 2022 Apr.
Article in English | MEDLINE | ID: mdl-34855274

ABSTRACT

In 2019, young Australians reported that two of their top concerns were 'climate change and the environment' and 'mental health'. The events of 2020/2021, such as the ongoing climate emergency, the Australian bushfires, and the COVID-19 pandemic, reflect the human-induced environmental issues young people are most worried about and have also exacerbated the mental health issues which they already reported to be at a crisis point back in 2019. Given experiences of mental illness in adolescence are associated with poorer mental health across the lifespan, it is becoming increasingly important to address ecological determinants of youth mental health in the Anthropocene. However, despite the inclusion of ecological determinants of health in seminal health promotion frameworks, health promotion has been described as 'ecologically blind', emphasising social determinants of health at the expense of ecological determinants of health. A socio-ecological model, which equally considers upstream social and ecological factors, should be applied to youth mental health issues. Using the Ottawa Charter for Health Promotion, we demonstrate how the ecological determinants of health may be incorporated into health promotion approaches targeting youth mental health. We also call for the health promotion sector to consider a number of actions to work towards achieving a transition to ecological determinants of health being at the forefront of health promotion activities. This commentary, written by young public health professionals, hopes to build on the momentum garnered by youth activists around the world and bring attention to the importance of ecological determinants of health for youth mental health promotion in the era of COVID-19 and the Anthropocene.


Subject(s)
COVID-19 , Adolescent , Australia/epidemiology , COVID-19/epidemiology , Health Promotion , Humans , Mental Health , Pandemics , Public Health
7.
BMC Public Health ; 21(1): 2164, 2021 11 25.
Article in English | MEDLINE | ID: mdl-34823501

ABSTRACT

PURPOSE: Work can offer a myriad of social and health benefits. Long-term sick leave can be detrimental to employers, individuals, families, and societies. The burden of long-term sick leave has motivated the development of return to work (RTW) interventions. This study sought to determine what constitutes an effective psychosocial RTW intervention, which included exploring whether the level of intervention intensity and intervention characteristics matter to RTW outcomes. METHODS: A systematic review and narrative synthesis were undertaken. Studies were identified through six databases (Ovid Medline, CINAHL (EBSCOhost), PsycInfo (Ovid), ProQuest, Scopus, and Google Scholar) between 2011 and 3 September 2019. Randomised controlled trials (RCTs) or reviews published in English were eligible for inclusion if they targeted adults who were on sick leave/unemployed trying to return to full-capacity employment, had at least one structured psychosocial RTW intervention, and assessed RTW. Study quality was assessed using checklists from the Joanna Briggs Institute. RESULTS: Database searching yielded 12,311 records. Eighteen RCTs (comprising 42 intervention/comparison groups), seven reviews (comprising 153 studies), and five grey literature documents were included. Included studies were of moderate-to-high quality. Research was primarily conducted in Europe and focused on psychological or musculoskeletal problems. RTW outcomes included RTW status, time until RTW, insurance claims, and sick days. Participating in a RTW program was superior to care-as-usual. RTW outcomes were similar between diverse interventions of low, moderate, and high intensity. Common foundational characteristics seen across effective RTW interventions included a focus on RTW, psychoeducation, and behavioural activation. CONCLUSIONS: Evidence suggests that a low intensity approach to RTW interventions may be an appropriate first option before investment in high intensity, and arguably more expensive interventions, as the latter appear to provide limited additional benefit. More high-quality RCTs, from diverse countries, are needed to provide stronger evidence.


Subject(s)
Return to Work , Sick Leave , Adult , Employment , Humans , Narration , Unemployment
8.
Aust Health Rev ; 2021 Jun 24.
Article in English | MEDLINE | ID: mdl-34161753

ABSTRACT

ObjectiveMindStep™ is an Australian low-intensity cognitive behaviour therapy (LICBT) program for individuals with mild-to-moderate symptoms of anxiety and depression. UK-produced LICBT guided self-help (GSH) materials were originally used in the MindStep™ program. In 2017, Australian LICBT GSH materials were developed to better suit Australian users. This study explored whether the Australian-produced materials continued to achieve the benchmark recovery rates established in the UK and maintained in recent Australian studies.MethodsBinomial logistic regression was conducted using retrospective client data, including the Patient Health Questionnaire-9 and the Generalised Anxiety Disorder 7-item scale, between 2016 and 2019.ResultsDuring time periods in which the Australian-produced materials were used, equivalent rates of reliable recovery and improvement were achieved compared with time periods in which the UK-produced materials were used. Australian-trained LICBT coaches, using Australian-produced LICBT GSH materials, achieve client recovery rates of up to 60%, reliable improvement rates of 58% and reliable recovery rates of 46% (with the probability of recovery increasing with client age).ConclusionsThese findings are particularly pertinent with COVID-19 changing the landscape of mental health service delivery, requiring greater flexibility in the use of teleservices to ensure access to effective mental health care for populations that may already experience problems with isolation, access and service engagement.What is known about the topic?LICBT is an acceptable, feasible and effective treatment approach for people experiencing mild-to-moderate anxiety and depression in Australia. LICBT GSH materials used with clients in Australia originated from the UK. However, according to guidelines, LICBT GSH materials should be contextualised to suit the audience they are being used with.What does this paper add?This paper demonstrates that LICBT GSH materials tailored to an Australian context can be used in place of UK-produced materials because they yield equivalent and consistent therapeutic outcomes. Although contextualising the LICBT GSH materials for health services users was important, it is likely that the evidence-based cognitive behaviour therapy techniques sitting 'under the hood' of these materials are most important to ensure successful therapeutic outcomes.What are the implications for practitioners?As we face unprecedented challenges following 2020, the physical, social, psychological and economic impacts of life-changing events must not inhibit access to treatments for common mental health conditions. It is anticipated that more non-traditional, alternative providers of mental health services will be needed to scale-up and respond to increasing demand. This paper shows that the provision of telephone-based LICBT in Australia, by trained coaches using Australian-produced GSH materials, is an evidenced-based support pathway that can reduce the access gap to treatments.

9.
Article in English | MEDLINE | ID: mdl-34070331

ABSTRACT

The coronavirus disease 2019 (COVID-19) pandemic is widely understood to have contributed to mental health problems. In Australia, young people (18-24 years) have been disproportionately affected. To date, research has predominantly focused on the presence or absence of mental illness symptoms, while aspects of mental well-being have been overlooked. We aimed to explore associations between potential risk and protective factors and mental health more comprehensively, using the Complete State Model of Mental Health. An online survey of 1004 young Australians (55% female; M age = 21.23) was undertaken. Assessment of both mental illness and mental well-being enabled participants to be cross-classified into four mental health states. Those with 'Floundering' (13%) or 'Struggling' (47.5%) mental health reported symptoms of mental illness; a 'Languishing' group (25.5%) did not report symptoms of mental illness but mental well-being was compromised relative to those who were 'Flourishing' (14%) with high mental well-being. Multinomial logistic regressions were used to examine associations, adjusting for socio-demographic confounders. Protective factors associated with Flourishing mental health included being in secure employment, using screen time to connect with others, and reporting high levels of hope. Both incidental and purposive contact with nature were also associated with Flourishing, while a lack of green/bluespace within walking distance was associated with Languishing, absence of outdoor residential space was associated with Floundering, and lower neighbourhood greenness was associated with all three suboptimal mental health states. Precarious employment, financial stress, living alone, reporting decreased screen time during lockdowns, lower levels of hope, and high disruption of core beliefs were also associated with Struggling and Floundering mental health. Those who were Languishing reported somewhat less hardship and little disruption to core beliefs, but lower levels of hope compared to young people who were Flourishing. This study highlights that young adults require dedicated mental health services to deal with current burden, but should also be supported through a range of preventive strategies which target mental health risk factors, like precarious employment, and enhance protective factors, such as urban green infrastructure.


Subject(s)
COVID-19 , Pandemics , Adolescent , Adult , Australia/epidemiology , Communicable Disease Control , Employment , Female , Humans , Male , Mental Health , SARS-CoV-2 , Screen Time , Young Adult
10.
Health Informatics J ; 27(1): 1460458221994873, 2021.
Article in English | MEDLINE | ID: mdl-33601947

ABSTRACT

Digital Mental Health Platforms offer feasible options to increase access to mental health support. This study aimed to examine the acceptability of a Low Intensity Cognitive Behaviour Therapy Digital Mental Health Platform, containing a Virtual Coach, with University Students (n = 16) and Mental Health Professionals (n = 5). Semi-structured interviews, exploratory focus groups, and inductive thematic analysis were conducted. Four overarching themes were identified, with potential users and professionals highlighting positive aspects, elements to be improved, and ambivalent feelings towards the platform overall. However, participants predominately expressed negative experiences indicating that the Virtual Coach was unrelatable and hard to engage with. While Virtual Coaches and similar Digital Mental Health Platforms have the potential to overcome barriers for those attempting to access mental health services, their effectiveness may be limited if the people who need them are not drawn to and then consistently engaged with them. Based on the feedback attained for this specific Digital Mental Health Platform, recommendations are provided for future developers aiming to create similar platforms, to assist in their uptake and ensure ongoing user engagement.


Subject(s)
Cognitive Behavioral Therapy , Mental Health Services , Focus Groups , Health Personnel , Humans , Mental Health
11.
PLoS One ; 15(9): e0237725, 2020.
Article in English | MEDLINE | ID: mdl-32886665

ABSTRACT

Technological developments in recent decades have increased young people's engagement with screen-based technologies (screen time), and a reduction in young people's contact with nature (green time) has been observed concurrently. This combination of high screen time and low green time may affect mental health and well-being. The aim of this systematic scoping review was to collate evidence assessing associations between screen time, green time, and psychological outcomes (including mental health, cognitive functioning, and academic achievement) for young children (<5 years), schoolchildren (5-11 years), early adolescents (12-14 years), and older adolescents (15-18 years). Original quantitative studies were identified in four databases (PubMed, PsycInfo, Scopus, Embase), resulting in 186 eligible studies. A third of included studies were undertaken in Europe and almost as many in the United States. The majority of studies were cross-sectional (62%). In general, high levels of screen time appeared to be associated with unfavourable psychological outcomes while green time appeared to be associated with favourable psychological outcomes. The ways screen time and green time were conceptualised and measured were highly heterogeneous, limiting the ability to synthesise the literature. The preponderance of cross-sectional studies with broadly similar findings, despite heterogeneous exposure measures, suggested results were not artefacts. However, additional high-quality longitudinal studies and randomised controlled trials are needed to make a compelling case for causal relationships. Different developmental stages appeared to shape which exposures and outcomes were salient. Young people from low socioeconomic backgrounds may be disproportionately affected by high screen time and low green time. Future research should distinguish between passive and interactive screen activities, and incidental versus purposive exposure to nature. Few studies considered screen time and green time together, and possible reciprocal psychological effects. However, there is preliminary evidence that green time could buffer consequences of high screen time, therefore nature may be an under-utilised public health resource for youth psychological well-being in a high-tech era.


Subject(s)
Nature , Psychology , Screen Time , Adolescent , Child , Geography , Humans , Language , Publications , Socioeconomic Factors
12.
Fertil Steril ; 111(6): 1047-1053, 2019 06.
Article in English | MEDLINE | ID: mdl-31155114

ABSTRACT

Monitoring the safety of intracytoplasmic sperm injection (ICSI) has been impeded by uncertainties regarding the extent to which offspring health is influenced by paternal characteristics linked to male infertility or the processes that ICSI treatment entails. Few studies examining long-term health and developmental outcomes in children conceived with ICSI have considered the influence of paternal infertility adequately. In the available literature, large population-based studies suggest underlying male factors, and the severity of male factor infertility, increase the risk of mental retardation and autism in offspring, as does the ICSI procedure itself, but these findings have not been replicated consistently. Robust evidence of the influence of male factors on other health outcomes is lacking, with many studies limited by sample size. Nevertheless, emerging evidence suggests children conceived with ICSI have increased adiposity, particularly girls. Further, young men conceived with ICSI may have impaired spermatogenesis; the mechanisms underlying this remain unclear, with inconclusive evidence of inheritance of Y chromosome microdeletions. The current inconsistent and often sparse literature concerning the long-term health of children conceived with ICSI, and the specific influence of male infertility factors, underscore the need for concerted monitoring of children conceived with this technique across the lifespan. With the rapid expansion of use of ICSI for non-male factors, sufficiently large studies that compare outcomes between groups conceived with this technique for male factors versus non-male factors will provide critical evidence to elucidate the intergenerational impact of male infertility.


Subject(s)
Child Behavior , Child Development , Child Health , Child of Impaired Parents , Fertility , Infertility, Male/therapy , Sperm Injections, Intracytoplasmic , Adiposity , Adult , Age Factors , Body Height , Child , Child, Preschool , Cognition , Female , Health Status , Humans , Infant , Infant Behavior , Infertility, Male/epidemiology , Infertility, Male/physiopathology , Male , Nervous System/growth & development , Pregnancy , Risk Assessment , Risk Factors , Sperm Injections, Intracytoplasmic/adverse effects , Treatment Outcome , Weight Gain
13.
Hum Reprod ; 32(7): 1489-1507, 2017 07 01.
Article in English | MEDLINE | ID: mdl-28472417

ABSTRACT

STUDY QUESTION: Does fertility treatment influence cognitive ability in school aged children, and does the impact vary with the type of treatment? SUMMARY ANSWER: The available high-quality evidence indicates that specific treatments may give rise to different effects on cognitive development, with certain treatments, including ICSI, associated with cognitive impairment. WHAT IS KNOWN ALREADY: Previous reviews of the literature concerning cognitive outcomes among children conceived with medical assistance have concluded that study findings are generally 'reassuring', but limited attention has been paid to the quality of this research. In addition, no review has separately assessed the range of treatment modalities available, which vary in invasiveness, and thus, potentially, in their effects on developmental outcomes. STUDY DESIGN, SIZE, DURATION: A systematic review was undertaken. We searched PubMed, PsycINFO and the Educational Resources Information Centre database to identify English-language studies published up until 21 November 2016. PARTICIPANTS/MATERIALS, SETTING, METHODS: Two authors independently reviewed identified articles, extracted data and assessed study quality. Studies were eligible if they assessed cognitive development from age 4 years or more, among children conceived with fertility treatment compared with either children conceived naturally or children born from a different type of fertility treatment. Where available, data were extracted and reported separately according to the various components of treatment (e.g. mode of fertilization, embryo freezing, etc.). Risk of bias was assessed using the Newcastle-Ottawa Scale, with a score ≥7/9 indicative of high quality. MAIN RESULTS AND THE ROLE OF CHANCE: The search identified 861 articles, of which 35 were included. Of these, seven were rated high quality. Most studies (n = 22) were subject to selection bias, due to the exclusion of children at increased risk of cognitive impairment. Among high-quality studies, there was no difference in cognitive outcomes among children conceived with conventional IVF and those conceived naturally. Findings among high-quality studies of children conceived with ICSI were inconsistent: when compared with children conceived naturally, one study reported lower intelligence quotient (IQ; 5-7 points, on average) among ICSI children whereas the remaining two high-quality studies reported no difference between groups. Furthermore, among the three high-quality studies comparing children conceived with ICSI compared with conventional IVF, one reported a significant increase in the risk of mental retardation, one reported a small difference in IQ (3 points lower, on average) and one no difference at all. There were scant studies examining exposure to embryo freezing, or less invasive treatments such as ovulation induction without IVF/ICSI. LIMITATION, REASONS FOR CAUTION: Most existing studies had methodological limitations including selection bias and/or failure to address confounding by family background. In addition, a meta-analysis could not be performed due to heterogeneity in the assessment of cognitive outcomes. These factors impeded our ability to synthesize the evidence and draw reliable conclusions. WIDER IMPLICATIONS OF THE FINDINGS: The conflicting findings among studies of children conceived with ICSI require clarification, in light of the increasing use of this technique for reasons other than male-factor infertility. Further population-based studies are needed that utilize contemporary data to examine specific aspects of treatment and combinations of techniques (e.g. ICSI with frozen embryo cycles). Importantly, studies should include the complete group of children exposed to treatment. STUDY FUNDING/COMPETING INTEREST(S): A.R.R. is supported by a Career Development Fellowship from the National Health and Medical Research Council of Australia. L.J.M. is funded by a fellowship from the Heart Foundation of Australia. The authors declare there are no competing interests. TRIAL REGISTRATION NUMBER: Not applicable.


Subject(s)
Adolescent Development , Child Development , Cognition , Cognitive Dysfunction/etiology , Evidence-Based Medicine , Fertilization in Vitro/adverse effects , Adolescent , Child , Cognitive Dysfunction/epidemiology , Female , Humans , Male , Risk , Sperm Injections, Intracytoplasmic/adverse effects
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