7 research outputs found
The effect of multiple adverse childhood experiences on health: a systematic review and meta-analysis
Background A growing body of research identifies the harmful effects that adverse childhood experiences (ACEs; occurring during childhood or adolescence; eg, child maltreatment or exposure to domestic violence) have on health throughout life. Studies have quantified such effects for individual ACEs. However, ACEs frequently co-occur and no synthesis of findings from studies measuring the effect of multiple ACE types has been done. Methods In this systematic review and meta-analysis, we searched five electronic databases for cross-sectional, case-control, or cohort studies published up to May 6, 2016, reporting risks of health outcomes, consisting of substance use, sexual health, mental health, weight and physical exercise, violence, and physical health status and conditions, associated with multiple ACEs. We selected articles that presented risk estimates for individuals with at least four ACEs compared with those with none for outcomes with sufficient data for meta-analysis (at least four populations). Included studies also focused on adults aged at least 18 years with a sample size of at least 100. We excluded studies based on high-risk or clinical populations. We extracted data from published reports. We calculated pooled odds ratios (ORs) using a random-effects model. Findings Of 11 621 references identified by the search, 37 included studies provided risk estimates for 23 outcomes, with a total of 253 719 participants. Individuals with at least four ACEs were at increased risk of all health outcomes compared with individuals with no ACEs. Associations were weak or modest for physical inactivity, overweight or obesity, and diabetes (ORs of less than two); moderate for smoking, heavy alcohol use, poor self-rated health, cancer, heart disease, and respiratory disease (ORs of two to three), strong for sexual risk taking, mental ill health, and problematic alcohol use (ORs of more than three to six), and strongest for problematic drug use and interpersonal and self-directed violence (ORs of more than seven). We identified considerable heterogeneity (I 2 of > 75%) between estimates for almost half of the outcomes. Interpretation To have multiple ACEs is a major risk factor for many health conditions. The outcomes most strongly associated with multiple ACEs represent ACE risks for the next generation (eg, violence, mental illness, and substance use). To sustain improvements in public health requires a shift in focus to include prevention of ACEs, resilience building, and ACE-informed service provision. The Sustainable Development Goals provide a global platform to reduce ACEs and their life-course effect on health. Funding Public Health Wales. © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 licens
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Albumin treatment reduces neurological deficit and protects blood-brain barrier integrity after acute intracortical hematoma in the rat
Acute intracerebral hemorrhage (ICH) is a common and severe form of stroke. To date, medical management of ICH has had scant impact on morbidity and mortality. Because albumin therapy is markedly neuroprotective in preclinical models of ischemic stroke, and because ischemic and hemorrhagic stroke share several common injury mechanisms, we hypothesized that albumin therapy might also benefit ICH.
Acute intracortical hematoma was produced in anesthetized, normothermic rats by the single stereotaxic injection of 50 muL of autologous, nonheparinized whole blood over 5 minutes. Separate animal groups were treated either with 25% human albumin, 1.25 g/kg, or with intravenous saline vehicle at 60 minutes after ICH. Neurobehavior was quantified sequentially over the next 2 to 7 days. Damage to the blood-brain barrier was assessed at 2 days after ICH by fluorometric measurement of Evans blue extravasation in dissected brain regions.
High-grade neurological deficits were present in all rats at 50 minutes after ICH (score 10.3+/-0.2, mean+/-SEM [maximal score 12]). Albumin-treated rats showed improved neuroscores relative to saline-treated animals beginning within hours of treatment and persisting throughout the 7-day survival period. At 3 and 7 days, mean total neuroscores of the albumin group were 38% to 43% lower than in saline-treated animals. Perihematomal Evans blue discoloration was readily evident in saline-treated ICH rats but was reduced by albumin treatment. Hemispheric Evans blue content ipsilateral to the hematoma was reduced by 49% by albumin treatment (albumin 93.9+/-13.3 versus saline 184.7+/-33.7 mg/g, P<0.05). Hematoma volume and brain swelling were not affected by albumin treatment.
Prompt albumin therapy improves neurological function and blood-brain barrier integrity after acute intracortical hematoma. These observations have important potential clinical implications
Regulatory effect of bacterial melanin on the isoforms of new superoxide-producing associates from rat tissues in rotenone-induced Parkinson’s disease
Abstract According to recent research, selective neuronal vulnerability in Parkinson’s disease (PD) results from several phenotypic traits, including calcium-dependent, feed-forward control of mitochondrial respiration leading to elevated reactive oxygen species and cytosolic calcium concentration, an extensive axonal arbor, and a reactive neurotransmitter. Therefore, antioxidant therapy is a promising direction in the treatment of PD. In vitro studies have indicated the survival-promoting activity of bacterial melanin (BM) on midbrain dopaminergic neuron cultures. It has been established that BM has a number of protective and anti-inflammatory properties, so there is a high probability of a protective effect of BM in the early stages of PD. In this study, PD was induced through the unilateral intracerebral administration of rotenone followed by bacterial melanin. Tissues (brain, lungs, and small intestine) from the observed groups underwent isolation and purification to extract isoforms of new thermostable superoxide (О2 −)-producing associates between NADPH-containing lipoprotein (NLP) and NADPH oxidase-Nox (NLP-Nox). The optical absorption spectral characteristics, specific amounts, stationary concentration of the produced О2 −, and the content of NADPH in the observed associates were determined. The optical absorption spectra of the NLP-Nox isoforms in the visible and UV regions in the experimental groups did not differ from those of the control group. However, compared with the control group, the specific content of the total fractions of NLP-Nox isoforms associated with PD groups was higher, especially in the small intestine. These findings suggest that the described changes may represent a novel mechanism for rotenone-induced PD. Furthermore, bacterial melanin demonstrated antioxidant properties and regulated membrane formation in the brain, lung, and small intestine. This regulation occurred by inhibiting the release of new membrane-bound formations (NLP-Nox associates) from these membranes while simultaneously regulating the steady-state concentration of the formed О2 −
Tannin-albumin particles as stable carriers of medicines - supplementary material
Supplementary figures 1-4 Table S1. Results of molecular docking (Vina Score) of Punicalin and Punicalagin with Drug site 1 by different crystallographic structuresTable S2. Results of molecular docking (Vina Score) of Punicalin and Punicalagin with Drug site 2 by different crystallographic structures.Table S3. Results of molecular docking (Vina Score) of Punicalin and Punicalagin with Drug site 3 by different crystallographic structures.Table S4. Results of molecular docking (Vina Score) of Punicalin and Punicalagin with Drug site 4 by different crystallographic structures.Table S5. Results of molecular docking (Vina Score) of Punicalin and Punicalagin with Drug site 5 by different crystallographic structures.</p
Primary stroke prevention worldwide: translating evidence into action
Stroke is the second leading cause of death and the third leading cause of disability worldwide and its burden is increasing rapidly in low-income and middle-income countries, many of which are unable to face the challenges it imposes. In this Health Policy paper on primary stroke prevention, we provide an overview of the current situation regarding primary prevention services, estimate the cost of stroke and stroke prevention, and identify deficiencies in existing guidelines and gaps in primary prevention. We also offer a set of pragmatic solutions for implementation of primary stroke prevention, with an emphasis on the role of governments and population-wide strategies, including task-shifting and sharing and health system re-engineering. Implementation of primary stroke prevention involves patients, health professionals, funders, policy makers, implementation partners, and the entire population along the life course