546 research outputs found
A virtual reality martial arts-based intervention reduces pain, drug craving, and stress in patients with opioid use disorder
Background: Some individuals with opioid use disorder (OUD) report high levels of pain, anxiety, stress and drug craving that may occasion relapse, reduce adherence to treatment, and reduce quality of life. This pilot study evaluated whether a novel martial arts-based intervention can lower self-reported and physiological markers of pain, anxiety, stress and opioid craving in individuals with OUD undergoing methadone maintenance treatment (MMT).
Methods: 15 MMT patients (11 females) completed a 12-week ‘Heroes Circle’ intervention that involved twice-weekly 30-min sessions centering around martial arts-based breathing and meditative techniques using therapist-assisted virtual reality (VR). Patients self-reported on five measures (pain, drug craving, anxiety, depression, anger) using a 0-10 scale before (pre) and after (post) each session. Salivary markers of inflammation (C-reactive protein [CRP]) and stress (cortisol) were collected before and after several sessions (baseline, weeks 4, 8, and 12).
Results: There were significant pre-post session reductions in rated pain, drug craving, anxiety and depression, and saliva cortisol (ps\u3c0.05). For opioid craving, there was also an effect of week such that craving decreased from weeks 1-6, increased from 7-9, and decreased again from 10-12 (ps\u3c0.05); there was also a session x week interaction such that the pre-post reduction in craving reached significance in weeks 1-3 only. There were no significant main effects or interactions for anger or CRP (ps\u3e0.05).
Conclusions: These preliminary results suggest VR-based, martial-arts meditative intervention is a promising approach for reducing pain, anxiety, stress and craving levels among individuals with OUD. Further controlled studies are warranted
A novel martial arts-based virtuality reality intervention modulates pain and the pain neuromatrix in patients with opioid use disorder
Background: Standard-of-care for opioid use disorder (OUD) includes medication and counseling. However, there is an unmet need for complementary approaches to treat OUD patients coping with pain; furthermore, few studies have probed neurobiological features of pain or its management during OUD treatment. This preliminary study examines neurobiological and behavioral effects of a martial arts-based intervention in patients undergoing methadone maintenance treatment (MMT).
Methods: Fifteen (11 female) MMT patients completed a virtual reality, therapist-guided martial arts intervention that included breathing and relaxation exercises; sessions were scheduled twice weekly. Assessments included functional magnetic resonance imaging (fMRI) of pain neuromatrix activation and connectivity (pre- and post-intervention), saliva cortisol and C-reactive protein (CRP) at baseline and weeks 4, 8 and 12; and self-reported pain and affective symptoms before and after each intervention session.
Results: After each intervention session (relative to pre-session), ratings of pain, opioid craving, anxiety and depression (but not anger) decreased. Saliva cortisol (but not CRP) levels decreased from pre- to post-session. From pre- to post-intervention fMRI assessments, pain task-related left postcentral gyrus (PCG) activation decreased. Higher baseline cortisol levels were associated with greater post-intervention pain task-related insular activation. At baseline, PCG showed positive connectivity with other regions of the pain neuromatrix, but this pattern changed post-intervention.
Conclusions: These preliminary findings demonstrate feasibility, therapeutic promise, and brain basis of a martial arts-based intervention for OUD patients undergoing MMT
Development and Validation of a Novel Decision Aid for WALANT Hand Surgeries: Investigating Patient Preferences
INTRODUCTION: This study aims to develop a novel decision aid packet (DAP) for hand surgery patients deciding between Wide-Awake-Local-Anesthesia-No-Tourniquet (WALANT) and traditional anesthesia.
METHODS:
Development:
The DAP was developed following International Patient Decision Aid Standards.
Validation:
Alpha Testing
Seven hand surgeons experienced in WALANT and traditional surgeries belonging to the WALANT Research Consortium in the U.S. commented on the DAP through three rounds of editing utilizing the Delphi method. Seven patient advocates provided readability feedback.
Beta Testing
Orthopedic hand surgery patients were assigned to the control or experimental group. The experimental group was given the DAP pre-surgery. Both groups completed a validated regret scale at follow-up. A paired t-test was conducted to analyze the difference between average scores on the regret scale and pre- and post-DAP knowledge tests (p
RESULTS: The experimental group (n=58) demonstrated a 145% increase (p
DISCUSSION: Increased knowledge test scores following the DAP suggest that patients are better informed after DAP usage. Low decisional conflict scores suggest that the DAP increases patients’ confidence. Lower average regret scale scores among the experimental group indicate a relationship between DAP administration and reduced post-surgical regret. The greater patient preference for WALANT following DAP usage, alongside the lower postoperative regret, elucidates a general preference in informed patients towards the WALANT modality
Combining mouse and keyboard events with higher level desktop actions to detect mild cognitive impairment
We present a desktop monitoring application that combines keyboard, mouse, desktop and application-level activities. It has been developed to discover differences in cognitive functioning amongst older computer users indicative of mild cognitive impairment (MCI). Following requirements capture from clinical domain experts, the tool collects all Microsoft Windows events deemed potentially useful for detecting early clinical indicators of dementia, with a view to further analysis to determine the most pertinent. Further requirements capture from potential end-users has resulted in a system that has little impact on users? daily activities and ensures data security from initial recording of events through to data analysis. We describe two experiments: firstly, volunteers were asked to perform a short set of known tasks; the second (ongoing) experiment is a longitudinal study, with the software currently successfully running on participants? computers
Randomized comparison of the effects of the vitamin D(3 )adequate intake versus 100 mcg (4000 IU) per day on biochemical responses and the wellbeing of patients
BACKGROUND: For adults, vitamin D intake of 100 mcg (4000 IU)/day is physiologic and safe. The adequate intake (AI) for older adults is 15 mcg (600 IU)/day, but there has been no report focusing on use of this dose. METHODS: We compared effects of these doses on biochemical responses and sense of wellbeing in a blinded, randomized trial. In Study 1, 64 outpatients (recruited if summer 2001 25(OH)D <61 nmol/L) were given 15 or 100 mcg/day vitamin D in December 2001. Biochemical responses were followed at subsequent visits that were part of clinical care; 37 patients completed a wellbeing questionnaire in December 2001 and February 2002. Subjects for Study 2 were recruited if their 25(OH)D was <51 nmol/L in summer 2001. 66 outpatients were given vitamin D; 51 completed a wellbeing questionnaire in both December 2002 and February 2003. RESULTS: In Study 1, basal summer 25-hydroxyvitamin D [25(OH)D] averaged 48 ± 9 (SD) nmol/L. Supplementation for more than 6 months produced mean 25(OH)D levels of 79 ± 30 nmol/L for the 15 mcg/day group, and 112 ± 41 nmol/L for the 100 mcg/day group. Both doses lowered plasma parathyroid hormone with no effect on plasma calcium. Between December and February, wellbeing score improved more for the 100-mcg/day group than for the lower-dosed group (1-tail Mann-Whitney p = 0.036). In Study 2, 25(OH)D averaged 39 ± 9 nmol/L, and winter wellbeing scores improved with both doses of vitamin D (two-tail p < 0.001). CONCLUSION: The highest AI for vitamin D brought summertime 25(OH)D to >40 nmol/L, lowered PTH, and its use was associated with improved wellbeing. The 100 mcg/day dose produced greater responses. Since it was ethically necessary to provide a meaningful dose of vitamin D to these insufficient patients, we cannot rule out a placebo wellbeing response, particularly for those on the lower dose. This work confirms the safety and efficacy of both 15 and 100 mcg/day vitamin D(3 )in patients who needed additional vitamin D
Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at √ s = 8 TeV with the ATLAS detector
Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses 20.3 fb−1 of √ s = 8 TeV data collected in 2012 with the ATLAS detector at the LHC. Events are required to have at least one jet with pT > 120 GeV and no leptons. Nine signal regions are considered with increasing missing transverse momentum requirements between Emiss T > 150 GeV and Emiss T > 700 GeV. Good agreement is observed between the number of events in data and Standard Model expectations. The results are translated into exclusion limits on models with either large extra spatial dimensions, pair production of weakly interacting dark matter candidates, or production of very light gravitinos in a gauge-mediated supersymmetric model. In addition, limits on the production of an invisibly decaying Higgs-like boson leading to similar topologies in the final state are presente
Effects of perceived cocaine availability on subjective and objective responses to the drug
<p>Abstract</p> <p>Rationale</p> <p>Several lines of evidence suggest that cocaine expectancy and craving are two related phenomena. The present study assessed this potential link by contrasting reactions to varying degrees of the drug's perceived availability.</p> <p>Method</p> <p>Non-treatment seeking individuals with cocaine dependence were administered an intravenous bolus of cocaine (0.2 mg/kg) under 100% ('unblinded'; N = 33) and 33% ('blinded'; N = 12) probability conditions for the delivery of drug. Subjective ratings of craving, high, rush and low along with heart rate and blood pressure measurements were collected at baseline and every minute for 20 minutes following the infusions.</p> <p>Results</p> <p>Compared to the 'blinded' subjects, their 'unblinded' counterparts had similar craving scores on a multidimensional assessment several hours before the infusion, but reported higher craving levels on a more proximal evaluation, immediately prior to the receipt of cocaine. Furthermore, the 'unblinded' subjects displayed a more rapid onset of high and rush cocaine responses along with significantly higher cocaine-induced heart rate elevations.</p> <p>Conclusion</p> <p>These results support the hypothesis that cocaine expectancy modulates subjective and objective responses to the drug. Provided the important public health policy implications of heavy cocaine use, health policy makers and clinicians alike may favor cocaine craving assessments performed in the settings with access to the drug rather than in more neutral environments as a more meaningful marker of disease staging and assignment to the proper level of care.</p
A framework for evaluating the costs of malaria elimination interventions: an application to reactive case detection in Southern Province of Zambia, 2014
Crowdsourcing Coordination: A Review and Research Agenda for Crowdsourcing Coordination Used for Macro-tasks
Crowdsourcing has become a widely accepted approach to leveraging the skills and expertise of others to accomplish work. Despite the potential of crowdsourcing to tackle complex problems, it has often been used to address simple micro-tasks. To tackle more complex macro-tasks, more attention is needed to better comprehend crowd coordination. Crowd coordination is defined as the synchronization of crowd workers in an attempt to direct and align their efforts in pursuit of a shared goal. The goal of this chapter is to advance our understanding of crowd coordination to tackle complex macro-tasks. To accomplish this, we have three objectives. First, we review popular theories of coordination. Second, we examine the current approaches to crowd coordination in the HCI and CSCW literature. Finally, the chapter identifies shortcomings in the literature and proposes a research agenda directed at advancing our understanding of crowd coordination needed to address complex macro-tasks.National Science Foundation grant CHS-1617820Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/150620/1/Kim and Robert 2019 Preprint Chapter 2.pdfDescription of Kim and Robert 2019 Preprint Chapter 2.pdf : Preprint Versio
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