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Neurobehavioral Impairments Predict Specific Cerebral Damage in Rat Model of Subarachnoid Hemorrhage
This study suggests that recurring behavioral testing can accurately predict damage in specific brain regions, which could be developed into a clinical battery for early detection of SAH damage in humans, potentially improving early treatment and outcomes.
Source: Translational Stroke Research - July 26, 2023 Category: Neurology Source Type: research

Disruption of Sonic Hedgehog Signaling Accelerates Age-Related Neurogenesis Decline and Abolishes Stroke-Induced Neurogenesis and Leads to Increased Anxiety Behavior in Stroke Mice
In this study, using conditional knockout (cKO) of SHH signaling receptorSmo gene in NSCs, we show a decreased neurogenesis at both SVZ and SGZ in young-adult mice and an accelerated depletion of neurogenic cells in the process of aging suggesting that SHH signaling is critical in maintaining neurogenesis during aging. Behavior studies revealed that compromised neurogenesis inSmo cKO mice leads to increased anxiety/depression-like behaviors without affecting general locomotor function or spatial and fear-related learning. Importantly, we also show that NSCs with a  cKO of SHH signaling abolishes stroke-induced neurogenesi...
Source: Translational Stroke Research - February 11, 2022 Category: Neurology Source Type: research

Stroke Induces Prolonged Changes in Lipid Metabolism, the Liver and Body Composition in Mice
AbstractDuring recovery, stroke patients are at risk of developing long-term complications that impact quality of life, including changes in body weight and composition, depression and anxiety, as well as an increased risk of subsequent vascular events. The aetiologies and time-course of these post-stroke complications have not been extensively studied and are poorly understood. Therefore, we assessed long-term changes in body composition, metabolic markers and behaviour after middle cerebral artery occlusion in mice. These outcomes were also studied in the context of obesity, a common stroke co-morbidity proposed to prote...
Source: Translational Stroke Research - December 20, 2019 Category: Neurology Source Type: research

Interactive Voice Response—An Innovative Approach to Post-Stroke Depression Self-Management Support
Abstract Automated interactive voice response (IVR) call systems can provide systematic monitoring and self-management support to depressed patients, but it is unknown if stroke patients are able and willing to engage in IVR interactions. We sought to assess the feasibility and acceptability of IVR as an adjunct to post-stroke depression follow-up care. The CarePartner program is a mobile health program designed to optimize depression self-management, facilitate social support from a caregiver, and strengthen connections between stroke survivors and primary care providers (PCPs). Ischemic stroke patients and an in...
Source: Translational Stroke Research - July 8, 2016 Category: Neurology Source Type: research

Interactive Voice Response —An Innovative Approach to Post-Stroke Depression Self-Management Support
Abstract Automated interactive voice response (IVR) call systems can provide systematic monitoring and self-management support to depressed patients, but it is unknown if stroke patients are able and willing to engage in IVR interactions. We sought to assess the feasibility and acceptability of IVR as an adjunct to post-stroke depression follow-up care. The CarePartner program is a mobile health program designed to optimize depression self-management, facilitate social support from a caregiver, and strengthen connections between stroke survivors and primary care providers (PCPs). Ischemic stroke patients and an informal c...
Source: Translational Stroke Research - July 8, 2016 Category: Neurology Source Type: research

Quality of Life Predictors in Chronic Stable Post-Stroke Patients and Prognostic Value of SF-36 Score as a Mortality Surrogate
In conclusion, anxiety, depression, and raised brain natriuretic peptide levels were the most important covariates of impaired QoL in post-stroke patients. Moreover, a decreased SF-36 score (≤40) represents an independent surrogate of increased additive mortality risk.
Source: Translational Stroke Research - August 14, 2015 Category: Neurology Source Type: research

The Women Independently Living Alone with a Medical Alert Device (WILMA) trial
This study did not establish improvement in HRQOL among women who wore the device compared with those that did not, nor the feasibility of a trial to study the efficacy of medical alert devices in elderly women. Newer devices that use cellular technology may be more accepted than the landline-based system used in this study.
Source: Translational Stroke Research - June 3, 2015 Category: Neurology Source Type: research

Depressive-Like Behaviors in a Rat Model of Chronic Cerebral Hypoperfusion
Abstract The vascular depression hypothesis suggests that there is an association between cerebrovascular pathophysiology and depression in the elderly. We investigated depressive-like behaviors and perturbations in the hypothalamus-pituitary-adrenal (HPA) axis in a rat model of chronic cerebral hypoperfusion. We modeled chronic cerebral hypoperfusion by permanent occlusion of the bilateral common carotid arteries (BCCAo) in Wistar rats. Sucrose preference, forced swim, and social interaction tests were performed to measure depressive-like behaviors. The plasma levels of adrenocorticotropic hormone and corticoster...
Source: Translational Stroke Research - December 26, 2014 Category: Neurology Source Type: research

Strain Differences in Fatigue and Depression after Experimental Stroke
Abstract Fatigue and depression are common symptoms after stroke. Animal models of poststroke fatigue (PSF) and poststroke depression (PSD) would facilitate the study of these symptoms. Spontaneous locomotor activity is as an objective measure of fatigue and learned helplessness an accepted correlate of depression. We used different rat strains to evaluate stroke-induced changes in behavior in hopes that interstrain differences would provide insights into the biological basis of these symptoms. Male Lewis, Wistar, and Sprague–Dawley (SD) rats underwent experimental stroke. Spontaneous activity was assessed cont...
Source: Translational Stroke Research - October 1, 2014 Category: Neurology Source Type: research