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Using a life tables approach with 2011–2017 claims data, we calculated lifetime risks of Clostridioides difficile infection (CDI) beginning at age 18 years. The lifetime CDI risk rates were 32% in female patients insured by Medicaid, 10% in commercially insured male patients, and almost 40% in females with end-stage renal disease.
Race poses complex and challenging problems within intellectual property (IP) ecosystems. Just as racial perspectives, attitudes, and beliefs have played an important role in shaping many aspects of Euroamerican society and culture as a whole, they similarly have significantly affected the shape of Western IP law and the implementation of it in the broader IP ecosystem.
Spontaneous avalanche to plasma begins in the core of an ellipsoidal Rydberg gas of nitric oxide. Ambipolar expansion of NO$^+$ draws energy from avalanche-heated electrons. Then, cycles of long-range resonant electron transfer from Rydberg molecules to ions equalize their relative velocities. This sequence of steps gives rise to a remarkable mechanics of self-assembly, in which the kinetic energy of initially formed hot electrons and ions drives an observed separation of plasma volumes. These dynamics adiabatically sequester energy in a reservoir of mass transport, starting a process that anneals separating volumes to form an apparent glass of strongly coupled ions and electrons. Short-time electron spectroscopy provides experimental evidence for complete ionization. The long lifetime of this system, particularly its stability with respect to recombination and neutral dissociation, suggests that this transformation affords a robust state of arrested relaxation, far from thermal equilibrium. We see this most directly in the excitation spectrum of transitions to states in the initially selected Rydberg series, detected as the long-lived signal that survives a flight time of $500\ \mathrm {\mu }$s to reach an imaging detector. The initial density of electrons produced by prompt Penning ionization, which varies with the selected initial principal quantum number and density of the Rydberg gas, determines a balance between the rising density of ions and the falling density of Rydberg molecules. This Penning-regulated ion-Rydberg molecule balance appears necessary as a critical factor in achieving the long ultracold plasma lifetime to produce spectral features detected after very long delays.
In this study, we have compared 229 Wechsler Adults Intelligence Scale – Fourth Edition (WAIS-IV) cognitive profiles of different severity adults with autism spectrum disorder to verify the impact of several variables including sex, age, level of education and autism severity level in an Italian sample. Moreover, we wanted to find out the optimal cut points for the major intelligence quotients in order to discriminate autism severity levels.
Methods
Participants were recruited from two National Health System Center in two different Italian regions and were assessed with gold-standard instruments as a part of their clinical evaluation. According to DSM-5, cognitive domains were also measured with multi-componential tests. We used the Italian adaptation of WAIS-IV. We checked our hypotheses using linear regression models and receiver operating characteristics (ROC) curves.
Results
Our results showed that age and level of education have a strong impact on Verbal Comprehension (VCI) and Working Memory Indexes (WMI). Gender differences are relevant when considering the VCI and Processing Speed index (PSI) in which women obtained the best performance. These differences are still relevant when considering cut points of ROC because 69 resulted to be the optimal cut point for women, 65 for men.
Conclusions
Few conclusions can be assumed only examining Full Scale Intelligence Quotient (FSIQ) scores as it includes many different information about broader cognitive abilities. Looking deeper at main indexes and their subtests findings are consistent with previous research on the disorder (moderate correlations of FSIQ, Perceptual Reasoning index, WMI and PSI with the participants’ age), while other results are unforeseen (no effect of sex found on FSIQ score) or novel (significant effect of education on VCI and WMI). Using an algorithm predicting optimal cut point for discriminating through autism severity levels can help clinicians to better label and quantify the required help a person may need, a test cannot replace diagnostic and clinical evaluation by experienced clinicians.
Racial and ethnic groups in the USA differ in the prevalence of posttraumatic stress disorder (PTSD). Recent research however has not observed consistent racial/ethnic differences in posttraumatic stress in the early aftermath of trauma, suggesting that such differences in chronic PTSD rates may be related to differences in recovery over time.
Methods
As part of the multisite, longitudinal AURORA study, we investigated racial/ethnic differences in PTSD and related outcomes within 3 months after trauma. Participants (n = 930) were recruited from emergency departments across the USA and provided periodic (2 weeks, 8 weeks, and 3 months after trauma) self-report assessments of PTSD, depression, dissociation, anxiety, and resilience. Linear models were completed to investigate racial/ethnic differences in posttraumatic dysfunction with subsequent follow-up models assessing potential effects of prior life stressors.
Results
Racial/ethnic groups did not differ in symptoms over time; however, Black participants showed reduced posttraumatic depression and anxiety symptoms overall compared to Hispanic participants and White participants. Racial/ethnic differences were not attenuated after accounting for differences in sociodemographic factors. However, racial/ethnic differences in depression and anxiety were no longer significant after accounting for greater prior trauma exposure and childhood emotional abuse in White participants.
Conclusions
The present findings suggest prior differences in previous trauma exposure partially mediate the observed racial/ethnic differences in posttraumatic depression and anxiety symptoms following a recent trauma. Our findings further demonstrate that racial/ethnic groups show similar rates of symptom recovery over time. Future work utilizing longer time-scale data is needed to elucidate potential racial/ethnic differences in long-term symptom trajectories.
In the absence of evidence of acute cerebral herniation, normal ventilation is recommended for patients with traumatic brain injury (TBI). Despite this recommendation, ventilation strategies vary during the initial management of patients with TBI and may impact outcome. The goal of this systematic review was to define the best evidence-based practice of ventilation management during the initial resuscitation period.
Methods:
A literature search of PubMed, CINAHL, and SCOPUS identified studies from 2009 through 2019 addressing the effects of ventilation during the initial post-trauma resuscitation on patient outcomes.
Results:
The initial search yielded 899 articles, from which 13 were relevant and selected for full-text review. Six of the 13 articles met the inclusion criteria, all of which reported on patients with TBI. Either end-tidal carbon dioxide (ETCO2) or partial pressure carbon dioxide (PCO2) were the independent variables associated with mortality. Decreased rates of mortality were reported in patients with normal PCO2 or ETCO2.
Conclusions:
Normoventilation, as measured by ETCO2 or PCO2, is associated with decreased mortality in patients with TBI. Preventing hyperventilation or hypoventilation in patients with TBI during the early resuscitation phase could improve outcome after TBI.
ABSTRACT IMPACT: This qualitative study describes health system barriers to high-quality care for Latino older adults with Alzheimer’s Disease and Related Dementias OBJECTIVES/GOALS: Compared to non-Latino Whites, Latino older adults are more likely to receive low-quality dementia care such as high-risk medications or services. Caregivers play a critical role in managing medical care for persons with dementia (PWD). Yet little is known about the perceptions and knowledge of dementia quality of care among Latino caregivers of PWD. METHODS/STUDY POPULATION: We used a qualitative research design and conducted interviews with Latino caregivers of PWD and caregiver advocates. We recruited both from community organizations, senior centers, and clinics. Our interview guide focused on experiences of caregiving, interactions with medical system, and knowledge and experiences managing behavioral and eating problems. We used Grounded Theory methodology for coding and analysis, focusing on contrasting and comparing experiences within and between caregivers and caregiver advocates. RESULTS/ANTICIPATED RESULTS: Preliminary results from interviews with two caregivers and two caregiver advocates illustrate that caregivers of persons with dementia have a difficult time receiving high quality care from primary care clinicians. All participants noted that many primary care doctors didn’t know how to diagnose ADRD and dismissed critical symptoms as part of old age. Caregivers also reported that they wished they had more information on what to expect with ADRD disease progression, noting they received little information from the formal medical care system. With respect to behavioral problems, caregiver advocates noted that primary care doctors often did not provide non-pharmacological alternatives to behavioral problems. DISCUSSION/SIGNIFICANCE OF FINDINGS: Findings from our pilot study demonstrate that there is a clear need to train primary care physicians who serve Latino older adults on ADRD care. Improved diagnosis and management could improve outcomes among Latino older adults with dementia.
This SHEA white paper identifies knowledge gaps and challenges in healthcare epidemiology research related to coronavirus disease 2019 (COVID-19) with a focus on core principles of healthcare epidemiology. These gaps, revealed during the worst phases of the COVID-19 pandemic, are described in 10 sections: epidemiology, outbreak investigation, surveillance, isolation precaution practices, personal protective equipment (PPE), environmental contamination and disinfection, drug and supply shortages, antimicrobial stewardship, healthcare personnel (HCP) occupational safety, and return to work policies. Each section highlights three critical healthcare epidemiology research questions with detailed description provided in supplementary materials. This research agenda calls for translational studies from laboratory-based basic science research to well-designed, large-scale studies and health outcomes research. Research gaps and challenges related to nursing homes and social disparities are included. Collaborations across various disciplines, expertise and across diverse geographic locations will be critical.
In a qualitative study of healthcare workers and patients discharged on oral antibiotics, we identified 5 barriers to antibiotic decision making at hospital discharge: clinician perceptions of patient expectations, diagnostic uncertainty, attending physician–led versus multidisciplinary team culture, not accounting for total antibiotic duration, and need for discharge prior to complete data.
Wildlife translocations, which involve the introduction of naive hosts into new environments with novel pathogens, invariably pose an increased risk of disease. The meningeal worm Parelaphostrongylus tenuis is a nematode parasite of the white-tailed deer (Odocoileus virginianus), which serves as its primary host and rarely suffers adverse effects from infection. Attempts to restore elk (Cervus canadensis) to the eastern US have been hampered by disease caused by this parasite. Using DNA sequence data from mitochondrial and nuclear genes, we examined the hypothesis that elk translocated within the eastern US could be exposed to novel genetic variants of P. tenuis by detailing the genetic structure among P. tenuis taken from white-tailed deer and elk at a source (Kentucky) and a release site (Missouri). We found high levels of diversity at both mitochondrial and nuclear DNA in Missouri and Kentucky and a high level of differentiation between states. Our results highlight the importance of considering the potential for increased disease risk from exposure to novel strains of parasites in the decision-making process of a reintroduction or restoration.
The paper suggests an innovative design research and intervention approach using a poststructuralist organizational education perspective. The potential of a high impact trans-epistemic design process is shown for the field of industry 4.0 and the specific context of cognitive assistive systems (CASs). The multi-layered approach addresses the design of technical, social and educational complexity to implement CASs sustainably on the shopfloor and exploit their potential in industry 4.0. Finally, we will shed light on how the approach can enhance deep organizational transformation in industry.
Poor sleep is a common complaint in postpartum depression (PPD). Depression as well as sleep disturbances may affect parenting functions and mother-infant relationship. The purpose of this study was to examine the relationship between objective sleep data, parenting stress and bonding in PPD.
Methods
Forty-five mothers (age: 34.5 ± 5.4 years SD) suffering from PPD were examined 212 ± 156 days (SD) after parturition. Depression was measured by Hamilton Depression Rating Scale (HDRS-ADS) and Beck Depression Inventory (BDI). Parenting stress and bonding were assessed by self report scales, i.e. Parenting Stress Index (PSI) and Postpartum Bonding Questionnaire (PBQ). In a subsample of 10 participants sleep parameters were assessed by actigraphy and sleep logs during seven consecutive days. Actigraphic sleep parameters were put in relation to severity of depression, PSI and PBQ scores.
Results
Poor sleep, i.e. low total sleep time (TST) was negatively correlated to depression (HRDS-ADS) (r = -.63; p < .05). Low TST was associated with poor bonding (r = -.82; p = .02), especially attitudes of “rejection and anger”. Severity of depression (BDI) was correlated with parenting stress (r =.50; p =.005). Mothers with high parenting stress tended to have more difficulties in bonding (r =.65; p =.016). Neither sleep parameters nor parenting stress and bonding were correlated with the infant's age.
Conclusions
In PPD poor sleep should be recognized and treated early, because it is associated to parenting stress and disturbed bonding, which might have a detrimental impact on mother-infant relationship.
We report the results from the first 12 months of a 2-year maintenance phase of a study evaluating long-term efficacy and safety of venlafaxine extended-release (XR) in preventing recurrence of depression.
Methods:
Patients with recurrent unipolar depression (N=1096) were randomly assigned in a 3:1 ratio to 10-week treatment with venlafaxine XR (75 mg/d to 300 mg/d) or fluoxetine (20 mg/d to 60 mg/d). Responders (HAM-D17 total score ≤12 and ≥50% decrease from baseline) entered a 6-month, double-blind, continuation phase on the same medication. Continuation phase responders enrolled into the maintenance treatment period consisting of 2 consecutive 12-month phases. At the start of each maintenance phase, venlafaxine XR responders were randomly assigned to double-blind treatment with venlafaxine XR or placebo; fluoxetine responders continued for each period. Time to recurrence (HAM-D17 total score >12 and <50% reduction from acute phase baseline at 2 consecutive visits or the last visit prior to discontinuation) was evaluated using Kaplan-Meier methods and compared between groups using log-rank tests.
Results:
At the end of the continuation phase, venlafaxine XR responders were randomly assigned to venlafaxine XR (n=164) or placebo (n=172); 129 patients in each group were evaluated for efficacy. The cumulative probability of recurrence through 12 months was 23.1% (95% CI: 15.3, 30.9) for venlafaxine XR and 42.0% (95% CI: 31.8, 52.2) for placebo (P=0.005).
Conclusions:
Twelve months of venlafaxine XR maintenance treatment was effective in preventing recurrence in depressed patients who had been successfully treated with venlafaxine XR during acute and continuation therapy.
This study evaluated the efficacy and safety of venlafaxine extended-release (XR) in preventing recurrence of depression.
Methods:
Outpatients with recurrent unipolar depression (N=1096) were randomly assigned in a 3:1 ratio to 10-week treatment with venlafaxine XR (75 mg/d to 300 mg/d) or fluoxetine (20 mg/d to 60 mg/d). Responders (HAM-D17 ≤12 and ≥50% decrease from baseline) entered a 6-month, double-blind, continuation phase on the same medication. Continuation phase responders enrolled into maintenance treatment consisting of 2 consecutive 12-month phases. At the start of each maintenance phase, venlafaxine XR responders were randomized to double-blind treatment with venlafaxine XR or placebo; fluoxetine responders continued on fluoxetine. Time to recurrence (HAM-D17 >12 and <50% reduction from acute phase baseline at 2 consecutive visits or the last valid visit prior to discontinuation) was evaluated using Kaplan-Meier methods and compared between groups using log-rank tests.
Results:
In the second maintenance phase, the cumulative probabilities of recurrence through 12 months in the venlafaxine XR (n=43) and placebo (n=40) groups were 8.0% (95% CI: 0.0, 16.8) and 44.8% (95% CI: 27.6, 62.0), respectively (P<0.001). The probabilities of recurrence over 24 months for patients assigned to venlafaxine XR (n=129) or placebo (n=129) for the first maintenance phase were 28.5% (95% CI 18.3, 37.8) and 47.3% (95% CI 36.4, 58.2), respectively (P=0.005).
Conclusions:
An additional 12 months of venlafaxine XR maintenance therapy was effective in preventing recurrence in depressed patients who had responded to venlafaxine XR after acute, continuation, and 12 months' initial maintenance therapy.
In a recent randomised controlled trial (Exercise-I) the effect of aerobic indoor cycling on hippocampal volume as well as magnetic resonance imaging (MRS) metabolites, neuropsychological and clinical variables an physical fitness were determined comparing patients with multi-episode schizophrenia and healthy controls (Pajonk et al. 2010).
In a subsequent three-armed study (Exercise-II) male and female patients with schizophrenia attending a day hospital program or an outpatient clinic were randomised to either aerobic exercise training (cycling) or playing table football as control group for 3×30 minutes per week over a period of three months. After six weeks of intervention additional cognitive training was conducted (CogPack®, 2×30 minutes per week). All patients were undergoing treatment receiving either first or second generation antipsychotics with no differences in dosage or duration of illness between groups. Cycling at heart rate corresponding to a blood lactate concentration of 1,5–2 mmol/L was performed on standardized bikes in a local gym and the amount of exercise was monitored by measuring power (Watt/kg) heart rate, gas exchange (VO2, carbon dioxide output) and blood lactate levels. In the exercise groups, parameters of physical fitness increased. In schizophrenia patients, negative symptoms, short- and long-term memory, executive function as well as GAF score improved mainly during the intervention period of week 6 up to three months.
Data of the impact of this intervention on brain structure and function as well as clinical and neuropsychological variables in multi-episode schizophrenia will be presented.
The KIBRA rs17070145 “CC” and the CLSTN2 rs6439886 “TT” genotypes have been associated with poor episodic memory performance in healthy persons. Episodic memory is also impaired in depression. Therefore, we hypothesized that depressed persons with the “CC/TT” genotype combination would perform worse in comparison to other KIBRA and CLSTN2 combinations.
Objectives:
To examine the effects of KIBRA and CLSTN2 on episodic memory performance in nondepressed and depressed elderly persons (60+).
Methods:
Genotyping from peripheral blood samples and episodic memory testing were performed in the population-based SNAC-K study. All non-demented participants (n = 2332) were categorized according to depression status (nondepressed/depressed) following ICD-10 criteria. Dichotomous variables were used for KIBRA (any T/CC) and CLSTN2 (any C/TT).
Results:
A three-factor MANCOVA revealed no main effects, but two significant interaction effects for episodic memory performance. Post hoc test for KIBRA × CLSTN2 revealed that persons with the “CC/TT” genotype exhibited poorer performance on free recall and recognition. Further, the three-way interaction (KIBRA × CLSTN2 × depression) showed that the negative effect of the “CC/TT” genotype was most pronounced among depressed persons Depressed “CC/TT” consistently performed at the lowest level.
Conclusions:
The combination of the KIBRA “CC” and the CLSTN2 “TT” genotypes was associated with poorer episodic memory performance in both nondepressed and depressed persons. Depression in combination with the “CC/TT” genotype was especially disadvantageous for episodic memory performance. This supports the view that effects of specific SNPs on performance may be most easily disclosed at suboptimal levels of cognitive ability, e.g. in depression.
Iraq and Afghanistan Veterans with posttraumatic stress disorder (PTSD) and traumatic brain injury (TBI) history have high rates of performance validity test (PVT) failure. The study aimed to determine whether those with scores in the invalid versus valid range on PVTs show similar benefit from psychotherapy and if psychotherapy improves PVT performance.
Method:
Veterans (N = 100) with PTSD, mild-to-moderate TBI history, and cognitive complaints underwent neuropsychological testing at baseline, post-treatment, and 3-month post-treatment. Veterans were randomly assigned to cognitive processing therapy (CPT) or a novel hybrid intervention integrating CPT with TBI psychoeducation and cognitive rehabilitation strategies from Cognitive Symptom Management and Rehabilitation Therapy (CogSMART). Performance below standard cutoffs on any PVT trial across three different PVT measures was considered invalid (PVT-Fail), whereas performance above cutoffs on all measures was considered valid (PVT-Pass).
Results:
Although both PVT groups exhibited clinically significant improvement in PTSD symptoms, the PVT-Pass group demonstrated greater symptom reduction than the PVT-Fail group. Measures of post-concussive and depressive symptoms improved to a similar degree across groups. Treatment condition did not moderate these results. Rate of valid test performance increased from baseline to follow-up across conditions, with a stronger effect in the SMART-CPT compared to CPT condition.
Conclusion:
Both PVT groups experienced improved psychological symptoms following treatment. Veterans who failed PVTs at baseline demonstrated better test engagement following treatment, resulting in higher rates of valid PVTs at follow-up. Veterans with invalid PVTs should be enrolled in trauma-focused treatment and may benefit from neuropsychological assessment after, rather than before, treatment.