ABSTRACT
INTRODUCTION: Compared to the general U.S. adolescent population, young people involved in the juvenile justice system are at greater risk of experiencing substance use (SU) issues. There are critical opportunities across the juvenile justice continuum, at points of interface with community-based treatment services, to screen and assess for SU issues, identify unmet treatment needs, and refer those in need to treatment. The treatment referral process is, however, complex, and contingent on a seamless nexus between juvenile justice operations and the wider treatment provider landscape. Given the lack of successful SU referrals among justice-involved youth and the variable referral rates across jurisdictions, this study's aim is to provide a qualitative, explanatory understanding of the conditions that together contribute to successful referring practices. METHODS: The study is based on an analysis of a qualitative dataset comprising focus group data with probation and community-based behavioral health treatment staff working in 31 sites in 6 different states as part of the clustered randomized trial of an organizational change intervention known as JJ-TRIALS (Juvenile Justice Translational Research on Interventions for Adolescents in the Legal System). The data contain respondents' narratives on the achievements, successes, and challenges with implementing the intervention. The data were analyzed through a combination of strategies to identify the conditions that both facilitate and impede referral processes between probation offices and community-based SU treatment providers. RESULTS: Participants across sites discussed the positive impacts that the JJ-TRIALS intervention had on their improved ability to communicate, collaborate, and collect data. From the interviews, seven main conditions were observed to contribute to successful SU treatment referral practices: (1) communication (inter-organizational); (2) collaboration; (3) data-driven practices; (4) family engagement; (5) institutionalized policy and referral documentation; (6) efficient referral policies and procedures; and (7) suitable and accessible system of treatment providers. CONCLUSION: Findings highlight the value of a holistic understanding of successful treatment referrals for justice-involved youth and help inform research and practice efforts to identify and measure the many dimensions of referral-making at the interface of juvenile probation and behavioral health services.
Subject(s)
Juvenile Delinquency , Referral and Consultation , Substance-Related Disorders , Adolescent , Female , Humans , Male , Focus Groups , Health Personnel/psychology , Juvenile Delinquency/psychology , Juvenile Delinquency/rehabilitation , Qualitative Research , Substance-Related Disorders/therapy , United StatesABSTRACT
Enterotoxigenic Escherichia coli (ETEC) is a leading cause of bacterial diarrhea with the potential to cause long-term gastrointestinal (GI) dysfunction. Preventative treatments for ETEC-induced diarrhea exist, yet the effects of these treatments on GI commensals in healthy individuals are unclear. Whether administration of a prophylactic preventative treatment for ETEC-induced diarrhea causes specific shifts in gut microbial populations in controlled environments is also unknown. Here, we studied the effects of a hyperimmune bovine colostrum (IMM-124E) used in the manufacture of Travelan (AUST L 106709) on GI bacteria in healthy C57BL/6 mice. Using next-generation sequencing, we aimed to test the onset and magnitude of potential changes to the mouse gut microbiome in response to the antidiarrheagenic hyperimmune bovine colostrum product, rich in immunoglobulins against select ETEC strains (Travelan, Immuron Ltd). We show that in mice administered colostrum containing lipopolysaccharide (LPS) antibodies, there was an increased abundance of potentially gut-beneficial bacteria, such as Akkermansia and Desulfovibrio, without disrupting the underlying ecology of the GI tract. Compared to controls, there was no difference in overall weight gain, body or cecal weights, or small intestine length following LPS antibody colostrum supplementation. Overall, dietary supplementation with colostrum containing LPS antibodies produced subtle alterations in the gut bacterial composition of mice. Primarily, Travelan LPS antibody treatment decreased the ratio of Firmicutes/Bacteroidetes in gut microbial populations in unchallenged healthy mice. Further studies are required to examine the effect of Travelan LPS antibody treatment to engineer the microbiome in a diseased state and during recovery.
Subject(s)
Enterotoxigenic Escherichia coli , Escherichia coli Infections , Gastrointestinal Microbiome , Female , Pregnancy , Mice , Animals , Cattle , Lipopolysaccharides , Immunoglobulin G , Colostrum , Mice, Inbred C57BL , Immunologic Factors , Diarrhea/microbiology , Escherichia coli Infections/prevention & controlABSTRACT
Objective: Individuals with serious mental illnesses are overrepresented in all facets of the legal system. State-level criminal histories of patients with serious mental illnesses were analyzed to determine the proportion who had been arrested and number of lifetime arrests and charges, associations of six variables with number of arrests, and the most common charges from individuals' first two arrests and most recent two arrests. Methods: A total of 240 patients were recruited at three inpatient psychiatric facilities and gave consent to access their criminal history. Information was extracted from Record of Arrest and Prosecution (RAP) sheets for lifetime arrests in Georgia. Results: A total of 171 (71%) had been arrested. Their mean±SD lifetime arrests were 8.6±10.1, and mean lifetime charges were 12.6±14.6. In a Poisson regression, number of arrests was associated with lower educational attainment, Black or African American race, the presence of a substance use disorder, the presence of a mood disorder, and female sex. Common early charges included marijuana possession, driving under the influence of alcohol, and burglary and shoplifting. Common recent charges included probation violations, failure to appear in court, officer obstructionrelated charges, and disorderly conduct. Conclusions: Findings point to a need for policy and program development in the legal system (e.g., pertaining to charges such as willful obstruction of an officer), the mental health community (e.g., to ensure that professionals know about clients' legal involvement and can partner in strategies to reduce arrests), and social services sectors (to address charges, such as shoplifting, often related to material disadvantage).
Subject(s)
Law Enforcement , Mental Disorders , Criminal Law , Humans , Mental Disorders/epidemiology , Mental Disorders/therapyABSTRACT
BACKGROUND: Understanding how elevated atmospheric CO2 (eCO2) impacts on phosphorus (P) transformation in plant rhizosphere is critical for maintaining ecological sustainability in response to climate change, especially in agricultural systems where soil P availability is low. METHODS: This study used rhizoboxes to physically separate rhizosphere regions (plant root-soil interface) into 1.5-mm segments. Wheat plants were grown in rhizoboxes under eCO2 (800 ppm) and ambient CO2 (400 ppm) in two farming soils, Chromosol and Vertosol, supplemented with phytate (organic P). Photosynthetic carbon flow in the plant-soil continuum was traced with 13CO2 labeling. Amplicon sequencing was performed on the rhizosphere-associated microbial community in the root-growth zone, and 1.5 mm and 3 mm away from the root. RESULTS: Elevated CO2 accelerated the mineralization of phytate in the rhizosphere zones, which corresponded with increases in plant-derived 13C enrichment and the relative abundances of discreet phylogenetic clades containing Bacteroidetes and Gemmatimonadetes in the bacterial community, and Funneliformis affiliated to arbuscular mycorrhizas in the fungal community. Although the amplicon sequence variants (ASVs) associated the stimulation of phytate mineralization under eCO2 differed between the two soils, these ASVs belonged to the same phyla associated with phytase and phosphatase production. The symbiotic mycorrhizas in the rhizosphere of wheat under eCO2 benefited from increased plant C supply and increased P access from soil. Further supportive evidence was the eCO2-induced increase in the genetic pool expressing the pentose phosphate pathway, which is the central pathway for biosynthesis of RNA/DNA precursors. CONCLUSIONS: The results suggested that an increased belowground carbon flow under eCO2 stimulated bacterial growth, changing community composition in favor of phylotypes capable of degrading aromatic P compounds. It is proposed that energy investments by bacteria into anabolic processes increase under eCO2 to level microbial P-use efficiencies and that synergies with symbiotic mycorrhizas further enhance the competition for and mineralization of organic P. Video Abstract.
Subject(s)
Microbiota , Rhizosphere , Carbon Dioxide/metabolism , Microbiota/genetics , Phosphorus , Phylogeny , Soil Microbiology , Triticum/metabolismABSTRACT
Racism in health care undermines equitable service delivery, contributes to poorer health outcomes and has a detrimental effect on the Aboriginal workforce. In maternity care settings, Aboriginal women's perceptions of discrimination are widespread, with the importance of cultural practices surrounding childbirth often not recognised. Efforts to build midwives' cultural capabilities and address health disparities have seen Aboriginal content included in training programs but little is known about its application to clinical practice. This study reinterviewed midwives who had previously completed university midwifery training that aimed to increase understanding of Aboriginal people and cultural safety in health care. Participants were 14 non-Indigenous midwives and two Aboriginal midwives. Interviews explored the legacy of program initiatives on cultural capabilities and observations and experiences of racism in maternity care settings. Methods followed qualitative approaches for research rigour, with thematic analysis of transcribed interviews. Findings revealed the positive impact of well-designed content and placements, with non-Indigenous participants cognisant and responsive to casual racism but largely not recognising institutional racism. The Aboriginal midwives had experienced and were attuned to racism in all its guises and suggested initiatives to heighten awareness and dispel stereotypes. It is evident that greater attention must be paid to institutional racism in educational programs to increase its recognition and appropriate actions within health care settings.
Subject(s)
Maternal Health Services , Midwifery , Racism , Female , Follow-Up Studies , Humans , Native Hawaiian or Other Pacific Islander , Pregnancy , Qualitative ResearchABSTRACT
BACKGROUND: Culturally competent maternity care provision to Aboriginal and Torres Strait Islander women was identified as a priority area by Australia's National Maternity Services Plan in 2011. While midwifery programs responded by including core Indigenous content and community placements in curricula, little is known about whether knowledge learned, and insights gained in response to these initiatives have endured and been applied in clinical practice. This follow-up study explores the impact of a compulsory Indigenous unit and a remote clinical placement on two cohorts of non-Indigenous midwives who were participants in an earlier 2012-14 study. METHODS: Fourteen non-Indigenous participants who were either students or recent graduates in 2012-14 were located and re-interviewed in 2019-20. In-depth interviews based on a semi-structured interview guide were conducted by telephone or face-to face; recordings were transcribed and thematically analysed using standard qualitative procedures. RESULTS: Exposure to Indigenous content and settings during training had an enduring impact on participants' midwifery practice; most felt better prepared to provide culturally safe care, build respectful relationships and advocate for improved services for Aboriginal women. Despite this positive legacy, they also expressed apprehension about causing offence and recognised their own knowledge deficits with regard to Aboriginal cultural practices. Organisational constraints, including restrictions on the number of family members accompanying a birthing mother were identified as barriers to optimal care; some positive organisational initiatives were also described. CONCLUSIONS: This follow-up study provides encouraging evidence that well-designed and delivered Indigenous content and community placement opportunities in midwifery programs can have a lasting impact on service provision to Aboriginal women, contribute to a more informed, empathetic and culturally competent maternity workforce and help catalyse health service changes towards more culturally safe care.
Subject(s)
Cultural Competency/education , Culturally Competent Care/organization & administration , Health Services, Indigenous/organization & administration , Midwifery/education , Midwifery/organization & administration , Native Hawaiian or Other Pacific Islander , Adult , Australia , Female , Follow-Up Studies , Humans , Longitudinal Studies , Middle Aged , Pregnancy , Program Evaluation , Qualitative ResearchABSTRACT
BACKGROUND: This study aimed to investigate the changes in diagnosis after a second opinion for breast cancer patients from a multi-disciplinary tumor board (MTB) review at an National Cancer Institute (NCI)-designated cancer center. METHODS: A retrospective study analyzed patients with a breast cancer diagnosed at an outside institution who presented for a second opinion from August 2015 to March 2016 at the Medical University of South Carolina (MUSC). Radiology, pathology, and genetic testing reports from outside institutions were compared with reports generated after an MTB review and subsequent workup at MUSC. The second-opinion cases were categorized based on whether diagnostic variations were present or not. RESULTS: The review included 70 patients seeking second opinions, and 33 (47.1%) of these patients had additional radiologic images. A total of 30 additional biopsies were performed for 25 patients, with new cancers identified in 16 patients. Overall, 16 (22.8%) of the 70 of patients had additional cancers diagnosed. For 14 (20%) of the 70 patients, a second opinion led to a change in pathology interpretation. Genetic testing was performed for 11 patients (15.7%) who met the National Comprehensive Cancer Network (NCCN) guidelines for genetic testing, but none showed a mutation other than a variant of unknown significance. After a complete workup, 30 (42.8%) of the 70 patients had a change in diagnosis as a result of the MTB review. CONCLUSION: A review by an MTB at an NCI-designated cancer center changed the diagnosis for 43% of the patients who presented for a second opinion for breast cancer. The study findings support the conclusion that referral for a second opinion is beneficial and has a diagnostic impact for many patients.
Subject(s)
Breast Neoplasms/pathology , Cancer Care Facilities , Carcinoma in Situ/pathology , Diagnostic Errors/prevention & control , Observer Variation , Referral and Consultation/statistics & numerical data , Biopsy , Female , Follow-Up Studies , Genetic Testing , Humans , National Cancer Institute (U.S.) , Neoplasm Invasiveness , Radiology , Retrospective Studies , United StatesABSTRACT
Chickpea (Cicer arietinum L.) is an important nutritionally rich legume crop that is consumed worldwide. Prior to cooking, desi chickpea seeds are most often dehulled and cleaved to release the split cotyledons, referred to as dhal. Compositional variation between desi genotypes has a significant impact on nutritional quality and downstream processing, and this has been investigated mainly in terms of starch and protein content. Studies in pulses such as bean and lupin have also implicated cell wall polysaccharides in cooking time variation, but the underlying relationship between desi chickpea cotyledon composition and cooking performance remains unclear. Here, we utilized a variety of chemical and immunohistological assays to examine details of polysaccharide composition, structure, abundance, and location within the desi chickpea cotyledon. Pectic polysaccharides were the most abundant cell wall components, and differences in monosaccharide and glycosidic linkage content suggest both environmental and genetic factors contribute to cotyledon composition. Genotype-specific differences were identified in arabinan structure, pectin methylesterification, and calcium-mediated pectin dimerization. These differences were replicated in distinct field sites and suggest a potentially important role for cell wall polysaccharides and their underlying regulatory machinery in the control of cooking time in chickpea.
Subject(s)
Cell Wall/chemistry , Cicer/cytology , Cicer/genetics , Flour/analysis , Cell Wall/genetics , Cellulose/analysis , Cooking , Cotyledon/chemistry , Genotype , Monosaccharides/analysis , Pectins/analysis , Polysaccharides/analysis , Polysaccharides/chemistry , Time FactorsABSTRACT
Plant growth-promoting yeasts are often over looked as a mechanism to improve phytoremediation of heavy metals. In this study, Cryptococcus sp. NSE1, a Cd-tolerant yeast with plant growth capabilities, was isolated from the rhizosphere of the heavy metal hyperaccumulator Sedum plumbizincicola. The yeast exhibited strong tolerance to a range of heavy metals including Cd, Cu, and Zn on plate assays. The adsorption rate Cd, Cu, Zn by NSE1 was 26.1, 13.2, and 25.2 %, respectively. Irregular spines were formed on the surface of NSE1 when grown in MSM medium supplemented with 200 mg L(-1) Cd. NSE1 was capable of utilizing 1-aminocyclopropane-1-carboxylate (ACC) as a sole nitrogen source and was capable of solubilization of inorganic phosphate at rates of 195.2 mg L(-1). Field experiments demonstrated that NSE1 increased phytoremediation by increasing the biomass of Cd hyperaccumulator S. plumbizincicola (46 %, p < 0.05) during phytoremediation. Overall, Cd accumulation by S. plumbizincicola was increased from 19.6 to 31.1 mg m(-2) though no difference in the concentration of Cd in the shoot biomass was observed between NSE1 and control. A Cd accumulation ratio of 38.0 % for NSE1 and 17.2 % for control was observed. The HCl-extractable Cd and CaCl2-extractable Cd concentration in the soil of the NSE1 treatment were reduced by 39.2 and 29.5 %, respectively. Community-level physiology profiling, assessed using Biolog Eco plates, indicated functional changes to the rhizosphere community inoculated with NSE1 by average well color development (AWCD) and measurement of richness (diversity). Values of Shannon-Weiner index, Simpson index, and McIntosh index showed a slight but no significant increases. These results indicate that inoculation of NSE1 could increase the shoot biomass of S. plumbizincicola, enhance the Cd accumulation in S. plumbizincicola, and decrease the available heavy metal content in soils significantly without overall significant changes to the microbial community.
Subject(s)
Adaptation, Physiological/physiology , Biodegradation, Environmental , Cadmium/metabolism , Cryptococcus/physiology , Metals, Heavy/toxicity , Sedum/physiology , Biomass , Metals, Heavy/analysis , Phosphates , Plant Development , Rhizosphere , Saccharomyces cerevisiae , Soil , Soil Pollutants/analysis , ZincABSTRACT
A retrospective cohort study was conducted with 83 midwives working across the Western Australian (WA) maternity sector who graduated from one WA University. We explored midwives' attitudes and utilisation of research and assertive communication in addition to perceptions of their educational preparation to advocate for women. The greatest opportunity for research exposure was working on a clinical audit (25.3%). No differences were found between graduate groups using the Edmonton Research Orientation subscales, although findings suggest a positive view towards research. Midwives were more likely to be assertive with their clinical colleagues than a midwifery manager or medical colleague when: expressing their opinions (P = <0.001); saying no (P = <0.001); allowing others to express their opinions (P = <0.001); and making suggestions to others (P = 0.025). A qualitative phase with 15 midwives explored concepts around advocating for women. Four themes emerged: 'having the confidence to question', 'communication skills', work environment' and 'knowing the woman and what she wants'. Findings suggest strategies are needed in their entry to practice preparation and ongoing professional development to facilitate research engagement. Using assertive behaviour to provide feedback to clinical colleagues warrants attention to enhance reflective practice. Building communication skills through observing positive role models and participating in role play was highlighted.
Subject(s)
Choice Behavior , Health Knowledge, Attitudes, Practice , Midwifery , Patient Advocacy , Students, Nursing/psychology , Adult , Female , Humans , Middle Aged , Retrospective Studies , Western Australia , Women's Health , Young AdultABSTRACT
OBJECTIVE: the purpose of this study was to describe women׳s reasons for choosing to birth with a privately practising midwife. DESIGN: a modified grounded theory methodology was used. PARTICIPANTS AND SETTING: the sample comprised 14 Western Australian women who had received maternity care from a privately practising midwife within the previous five years. FINDINGS: data analysis revealed three categories: the first was conceptualised as 'I knew what I wanted from my caregiver', which included sub-categories of: I wanted continuity of care; I wanted a relationship with my care provider; and I wanted a care provider with the same childbirth philosophy as me. The second encapsulated 'I knew what I wanted from my pregnancy and birth experience,' with two sub-categories, I wanted a natural, active, intervention free pregnancy and birth and I wanted my partner and family to be included. The final category was labelled 'I was willing to get the research to get what I wanted' and incorporated two sub-categories, I researched my care options and I researched my care provider options and the evidence around pregnancy and birth to be actively involved. KEY CONCLUSIONS: findings offer insight around women׳s reasons for choosing this model of midwifery care and highlight that women know exactly what they want from their caregiver. Women valued working with their midwife towards a shared goal of an intervention-free, normal birth, researched their options and found mainstream services restrictive and focused on medical risk status rather than on the individual woman. IMPLICATIONS FOR PRACTICE: findings will be of interest to maternity care practitioners and policy makers, as they highlight why some women prefer a social model of midwifery care that reflects a family centred, individualised and holistic approach. This insight can inform the development of maternity health care practices to recognise and accommodate the needs and values of all childbearing women.
Subject(s)
Continuity of Patient Care , Midwifery , Patient Acceptance of Health Care , Prenatal Care , Adult , Choice Behavior , Female , Humans , Maternal Health Services , Middle Aged , Pregnancy , Western AustraliaABSTRACT
Faba bean phenolic compounds encompassed phenolic acids, flavonols, proanthocyanidins and anthocyanins. Roasting faba beans for 120 min decreased the total phenolic, flavonoid and proanthocyanidin contents by 42, 42 and 30%, respectively. Roasting beans for 120 min decreased the 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity, total equivalent antioxidant capacity and ferric reducing antioxidant power by 48, 15 and 8%, respectively. High performance liquid chromatography-post column derivatisation revealed the generation of new phenolic compounds as a result of roasting. Antioxidant mechanism of bean less-polar phenolic compounds was largely based on free radical scavenging activity. The bean phenolic compounds with reducing capability were heat stable. Roasted faba bean extracts (70% acetone, v/v) were fractionated into relatively polar and non-polar fractions; the latter contributed the majority of the antioxidant capacity. The extracts from beans with different seed coat colours differed in their phenolic compositions, which suggest different levels of potential benefits to health. Although roasting initially lowers the bean antioxidant capacity, prolonged roasting at 150 °C for 60 min and longer causes generation of new phenolic compounds and an increased antioxidant capacity. The findings encourage a wider ultilisation of faba beans for human foods particularly in baked/roasted products.
Subject(s)
Antioxidants/pharmacology , Flavonoids/pharmacology , Hot Temperature , Phenols/pharmacology , Plant Extracts/pharmacology , Seeds/chemistry , Vicia faba/chemistry , Antioxidants/analysis , Australia , Biphenyl Compounds/metabolism , Diet , Flavonoids/analysis , Food Handling , Humans , Phenols/analysis , Picrates/metabolism , Plant Extracts/chemistry , Proanthocyanidins/analysis , Proanthocyanidins/pharmacologyABSTRACT
The Australian grown faba beans of different seed coat colours were either soaked, boiled or autoclaved, and analysed for phenolic contents and antioxidant activity using an array of reagent-based assays. Soaking, boiling and autoclaving were shown to lower the level of active compounds in faba beans. A significant amount of active compounds was leached to the soaking and cooking medium. Boiling was a better method in retaining active compounds in beans than autoclaving. The boiled beans had more active compounds than those of resulting cooking broths, which was the opposite observation when autoclaving. The buff-genotypes had a similar level of active compounds to red- and green-genotypes. The high performance liquid chromatography-post column derivatisation (HPLC-PCD) system detected a dense collection of high antioxidant HPLC peaks ('humps') in extracts of raw, soaked and boiled beans. The present findings encouraged consumption of faba beans together with cooking broth for the maximum potential health benefits.
Subject(s)
Antioxidants/analysis , Cooking/methods , Phenols/analysis , Plant Extracts/analysis , Vicia faba/chemistry , Chromatography, High Pressure Liquid , Color , Hot Temperature , Seeds/chemistryABSTRACT
The functional properties, including antioxidant and chemopreventative capacities as well as the inhibitory effects on angiotensin-converting enzyme (ACE), α-glucosidase and pancreatic lipase, of three Australian-grown faba bean genotypes (Nura, Rossa and TF(Ic*As)*483/13) were investigated using an array of in vitro assays. Chromatograms of on-line post column derivatisation assay coupled with HPLC revealed the existence of active phenolics (hump) in the coloured genotypes, which was lacking in the white-coloured breeding line, TF(Ic*As)*483/13. Roasting reduced the phenolic content, and diminished antioxidant activity by 10-40 % as measured by the reagent-based assays (diphenylpicrylhydrazyl, 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulphonic acid) and oxygen radical absorbance capacity) in all genotypes. Cell culture-based antioxidant activity assay (cellular antioxidant activity) showed an increase of activity in the coloured genotypes after roasting. Faba bean extracts demonstrated cellular protection ability against H2O2-induced DNA damage (assessed using RAW264.7 cells), and inhibited the proliferation of all human cancer cell lines (BL13, AGS, Hep G2 and HT-29) evaluated. However, the effect of faba bean extracts on the non-transformed human cells (CCD-18Co) was negligible. Flow cytometric analyses showed that faba bean extracts successfully induced apoptosis of HL-60 (acute promyelocytic leukaemia) cells. The faba bean extracts also exhibited ACE, α-glucosidase and pancreatic lipase inhibitory activities. Overall, extracts from Nura (buff-coloured) and Rossa (red-coloured) were comparable, while TF(Ic*As)*483/13 (white-coloured) contained the lowest phenolic content and exhibited the least antioxidant and enzyme inhibition activities. These results are important to promote the utilisation of faba beans in human diets for various health benefits.
Subject(s)
Chemoprevention , Enzyme Inhibitors , Health Promotion , Plant Extracts/pharmacology , Seeds , Vicia faba , Angiotensin-Converting Enzyme Inhibitors/pharmacology , Animals , Anticarcinogenic Agents/pharmacology , Antioxidants/analysis , Antioxidants/pharmacology , Apoptosis/drug effects , Australia , Cell Line , Cell Line, Tumor , Cell Proliferation/drug effects , DNA Damage/drug effects , Diet , Enzyme Inhibitors/pharmacology , Flavonoids/analysis , Genotype , Glycoside Hydrolase Inhibitors , Hot Temperature , Humans , Lipase/antagonists & inhibitors , Mice , Phenols/analysis , Seeds/chemistry , Seeds/genetics , Vicia faba/chemistry , Vicia faba/geneticsABSTRACT
BACKGROUND: There is some evidence that physical activity delays the onset of dementia in healthy older adults and slows down cognitive decline to prevent the onset of cognitive disability. Studies using animal models suggest that physical activity has the potential to attenuate the pathophysiology of dementia. 'Physical activity' refers to 'usual care plus physical activity'. OBJECTIVES: Primary: do physical activity programs maintain or improve cognition, function, behaviour, depression, and mortality compared to usual care in older persons with dementia?Secondary: do physical activity programs have an indirect positive impact on family caregivers' health, quality of life, and mortality compared to family caregivers of older persons with dementia who received usual care alone? Do physical activity programs reduce the use of health care services (e.g., visits to the emergency department) compared to usual care in older persons with dementia and their family caregiver? SEARCH STRATEGY: The trials were identified from searches of the Specialized Register of the Cochrane Dementia and Cognitive Improvement Group, The Cochrane Library, MEDLINE, EMBASE, PsycINFO, CINAHL and LILACS on 9 September 2007 using the search terms: exercise OR "physical activity" OR cycling OR swim* OR gym* OR walk* OR danc* OR yoga OR "tai chi". SELECTION CRITERIA: All relevant, randomized controlled trials in which physical activity programs were compared with usual care for the effect on managing or improving cognition, function, behaviour, depression, and mortality in people with dementia of any type and degree of severity. Secondary outcomes related to the family caregiver(s) included quality of life, mortality, and use of health care services were intended to be examined. DATA COLLECTION AND ANALYSIS: Two reviewers independently assessed the retrieved articles for relevance and methodological quality, and extracted data from the selected trials. These were pooled were appropriate. MAIN RESULTS: Four trials met the inclusion criteria. However, only two trials were included in the analyses because the required data from the other two trials were not made available. Only one meta-analysis was conducted. The results from this review suggest that there is insufficient evidence of the effectiveness of physical activity programs in managing or improving cognition, function, behaviour, depression, and mortality in people with dementia. Few trials have examined these important outcomes. In addition, family caregiver outcomes and use of health care services were not reported in any of the included trials. AUTHORS' CONCLUSIONS: There is insufficient evidence to be able to say whether or not physical activity programs are beneficial for people with dementia.