In the Murine and Bovine Maternal Mammary Gland Signal Transducer and Activator of Transcription 3 is Activated in Clusters of Epithelial Cells around the Day of Birth.

Signal transducers and activators of transcription (STAT) proteins regulate mammary development. Here we investigate the expression of phosphorylated STAT3 (pSTAT3) in the mouse and cow around the day of birth. We present localised colocation analysis, applicable to other mammary studies requiring identification of spatially congregated events. We demonstrate that pSTAT3-positive events are multifocally clustered in a non-random and statistically significant fashion. Arginase-1 expressing cells, consistent with macrophages, exhibit distinct clustering within the periparturient mammary gland. These findings represent a new facet of mammary STAT3 biology, and point to the presence of mammary sub-microenvironments.

Natural history of PF4 antibodies in vaccine-induced immune thrombocytopenia and thrombosis.

The COVID-19 pandemic has resulted in the rapid development of a range of vaccines against SARS-CoV-2. Vaccine-induced immune thrombocytopenia and thrombosis (VITT) is a rare but life-threatening complication of primarily adenoviral-based vaccines associated with the presence of antibodies to a PF4/polyanion neoepitope and measured by using enzyme-linked immunosorbent assays. Presented are serial anti-PF4/polyanion antibody, platelet, and D-dimer measurements in a large cohort of patients and their relation to relapse. Overall, 51% of patients using the Stago assay had persistently positive anti-PF4/polyanion levels 100 days' postdiagnosis, whereas 94% of patients monitored by using the Immucor assay remain positive. The median duration of positivity of the PF4 assay is 87 days, with 72% of patients remaining positive after a median follow-up of 105 days. The use of plasma exchange seemed to reduce anti-PF4/polyanion levels and increase platelet counts in the acute setting more rapidly than other therapies. The rate of relapse in this study was 12.6%, with all relapsed cases exhibiting persistently positive PF4 antibodies and falling platelet counts. Only one patient had extension of their thrombosis. Overall, despite the persistence of PF4 antibodies in 72% of patients, the rate of relapse was low and did not seem to result in recrudescence of the aggressive clinical picture seen at index presentation. Monitoring of these patients in the UK cohort is ongoing and will aid in definition of the natural history of this novel condition.

Nurse Preceptor Burnout: Contributing Factors.

OBJECTIVE: The aim of this study was to assess nurse preceptor burnout and examine related factors. BACKGROUND: Nurse preceptors are essential to the provision of optimal hospital-based care. Preceptors guide and support nurses' transition from professional training to practice as well as movement within practice roles. METHODS: As a component of the DevelopYou database, nurse preceptors (N = 210) were surveyed electronically using the BHLex Preceptor Role Questionnaire. Data retrieved from this data set were analyzed. RESULTS: Twenty-eight percent (n = 60) of participants experienced burnout. Most (n = 203, 96.7%) enjoyed their role. Reasons for becoming a preceptor included a love for teaching, a desire to help others, and feelings of responsibility to the profession and the institution. Strategies to enable perceived value of the role focused on activities involving person-to-person interactions. CONCLUSIONS: On the basis of the results of this analysis, it is apparent that nurse preceptors want to feel valued and supported by administration and have opportunities to interact regularly with colleagues.

The Effect of an Educational Intervention on Nurses' Knowledge, Beliefs, and Actions to be Taken, Regarding Suicide.

OBJECTIVE: The aim of this study was to examine the effect of an educational intervention on nurses' knowledge defined as understanding, beliefs, and actions to be taken, regarding nurse suicide. BACKGROUND: Between 2007 and 2018, nurses were 18% more likely to die by suicide than the general public. As a result, an assessment of nurses' knowledge regarding suicide has become an important issue for nursing administration. METHODS: A quasi-experiment (N = 225) was conducted. Variables of interest were assessed pre and post an educational intervention on 3 domains related to suicide. RESULTS: Significant and meaningful differences were found regarding 2 domains of interest in nurses' understanding related to nurse suicide, and actions to be taken, pre and post intervention. A significant change occurred regarding beliefs; however, the difference was small and therefore not meaningful. CONCLUSIONS: Finding demonstrate that educational interventions focused on issues related to suicide can enhance nurses' knowledge of the challenges implicit when one considers taking one's own life.

Mucinous ovarian carcinoma: A survey of practice in Australia and New Zealand.

BACKGROUND: Mucinous ovarian carcinoma (MOC) is a rare ovarian cancer with limited evidence to support clinical care. AIMS: We undertook a clinician survey to better understand current practice in treating MOC in Australia and New Zealand, and to determine any features associated with variation in care. In addition, we aimed to understand future research priorities. METHODS: A RedCap survey was distributed to clinician members of the Australia New Zealand Gynaecological Oncology Group (ANZGOG). Questions included respondent demographics, three case studies and future research priorities. Clinicians were asked questions specific to their speciality. RESULTS: Respondents (n = 47) were commonly experienced gynae-oncology specialists, most often surgical (38%) or medical (30%) oncologists. There was good consensus for surgical approaches for stage I disease; however, variation in practice was noted for advanced or recurrent MOC. Variation was also observed for medical oncologists; in early-stage disease there was no clear consensus on whether to offer chemotherapy, or which regimen to recommend. For advanced and recurrent disease a wide range of chemotherapy options was considered, with a trend away from an ovarian-type toward gastrointestinal (GI)-type regimens in advanced MOC. This practice was reflected in future research priorities, with 'Is a GI chemotherapy regimen better than an ovarian regimen?' the most highly ranked option, followed by 'Should stage 1C patients receive chemotherapy?' CONCLUSIONS: Although the number of respondents limited the analyses, it was clear that chemotherapy selection was a key point of divergence for medical oncologists. Future research is needed to establish well-evidenced guidelines for clinical care of MOC.

Lung function tracking in children with perinatally acquired HIV following early antiretroviral therapy initiation.

INTRODUCTION: Lung disease remains a frequent complication in children with perinatal HIV infection (CHIV) and exposure without infection (CHEU), resulting in diminished lung function. In CHIV, early antiretroviral therapy (ART) initiation improves survival and extrapulmonary outcomes. However, it is unknown if there is benefit to lung function. METHODS: Cohorts of CHIV (ART initiated at median 4.0 months), CHEU and HIV-unexposed children (CHU) prospectively performed pulmonary function testing (PFT) consisting of spirometry, plethysmography and diffusing capacity from 2013 to 2020. We determined lung function trajectories for PFT outcomes comparing CHIV to CHU and CHEU to CHU, using linear mixed effects models with multiple imputation. Potential confounders included sex, age, height, weight, body mass index z-score, urine cotinine and Tanner stage. RESULTS: 328 participants (122 CHIV, 126 CHEU, 80 CHU) performed PFT (ages 6.6-15.6 years). Spirometry (forced expiratory volume in 1 s, FEV1, forced vital capacity (FVC), FEV1/FVC) outcomes were similar between groups. In plethysmography, the mean residual volume (RV) z-score was 17% greater in CHIV than CHU (95% CI 1% to 33%, p=0.042). There was no difference in total lung capacity (TLC) or RV/TLC z-scores between groups. Diffusing capacity for carbon monoxide was similar in all groups, while alveolar volume (VA) differed between HIV groups by sex. CONCLUSION: Our study indicates that early ART initiation can mitigate the loss of lung function in CHIV with lasting benefit through childhood; however, there remains concern of small airway disease. CHEU does not appear to disrupt childhood lung function trajectory.

Patterns and drivers of vector-borne microparasites in a classic metapopulation.

Many organisms live in fragmented populations, which has profound consequences on the dynamics of associated parasites. Metapopulation theory offers a canonical framework for predicting the effects of fragmentation on spatiotemporal host­parasite dynamics. However, empirical studies of parasites in classical metapopulations remain rare, particularly for vector-borne parasites. Here, we quantify spatiotemporal patterns and possible drivers of infection probability for several ectoparasites (fleas, Ixodes trianguliceps and Ixodes ricinus) and vector-borne microparasites (Babesia microti, Bartonella spp., Hepatozoon spp.) in a classically functioning metapopulation of water vole hosts. Results suggest that the relative importance of vector or host dynamics on microparasite infection probabilities is related to parasite life-histories. Bartonella, a microparasite with a fast life-history, was positively associated with both host and vector abundances at several spatial and temporal scales. In contrast, B. microti, a tick-borne parasite with a slow life-history, was only associated with vector dynamics. Further, we provide evidence that life-history shaped parasite dynamics, including occupancy and colonization rates, in the metapopulation. Lastly, our findings were consistent with the hypothesis that landscape connectivity was determined by distance-based dispersal of the focal hosts. We provide essential empirical evidence that contributes to the development of a comprehensive theory of metapopulation processes of vector-borne parasites.

Developing the Baptist Health Injury Risk Assessment Phase 1: Exploring Risk Factors.

OBJECTIVES: The aim of this study was to explore risk factors for developing hospital-acquired pressure injuries (HAPIs) among critically ill adult inpatients. BACKGROUND: Hospital-acquired pressure injuries remain a priority quality focus for Magnet ® organizations. Recent studies cite medical devices as a primary cause, yet published risk assessments lack inclusion of those threats. METHODS: Nurses at a 434-bed, 4-time Magnet ® -designated hospital led a retrospective study acros 9 American Nurses Credentialing Center-designated facilities. Using a chart review tool, data were collected within 48 hours of a confirmed HAPI. RESULTS: Of 207 HAPIs reported, 54% (n = 113) involved deep tissue pressure injuries and 50.2% (n = 104) involved 19 medical devices. Individuals with a HAPI also used 1 or more of 7 distinct types of mobility-limiting medical equipment. CONCLUSIONS: Study findings support the development of a critical care risk assessment with inclusion of a medical device and mobility-limiting medical equipment as risk factors. A secondary study is underway for specificity and sensitivity testing of this assessment.

Marine environmental DNA biomonitoring reveals seasonal patterns in biodiversity and identifies ecosystem responses to anomalous climatic events.

Marine ecosystems are changing rapidly as the oceans warm and become more acidic. The physical factors and the changes to ocean chemistry that they drive can all be measured with great precision. Changes in the biological composition of communities in different ocean regions are far more challenging to measure because most biological monitoring methods focus on a limited taxonomic or size range. Environmental DNA (eDNA) analysis has the potential to solve this problem in biological oceanography, as it is capable of identifying a huge phylogenetic range of organisms to species level. Here we develop and apply a novel multi-gene molecular toolkit to eDNA isolated from bulk plankton samples collected over a five-year period from a single site. This temporal scale and level of detail is unprecedented in eDNA studies. We identified consistent seasonal assemblages of zooplankton species, which demonstrates the ability of our toolkit to audit community composition. We were also able to detect clear departures from the regular seasonal patterns that occurred during an extreme marine heatwave. The integration of eDNA analyses with existing biotic and abiotic surveys delivers a powerful new long-term approach to monitoring the health of our world's oceans in the context of a rapidly changing climate.

Chief Nursing Officers: Their COVID-19 Experience.

OBJECTIVE: The purpose of this study was to describe the experience of chief nursing officers (CNOs), including leadership strategies that they developed as they encountered the administrative challenges posed by COVID-19. BACKGROUND: The COVID-19 pandemic required CNOs to make difficult decisions and to support nursing staff as they cared for critically ill and dying patients, and therefore, they experienced intense stress during a pandemic of a highly infectious disease. Understanding the challenges that CNOs faced in this crisis will help hospitals and CNOs to better prepare for the future. METHODS: Using a descriptive qualitative approach, we conducted interviews with 9 CNOs from hospitals across the United States. The goal of the interviews was to develop an understanding of the difficulties that these CNOs encountered during the COVID-19 pandemic and their emotional response to the challenging situations. RESULTS: Themes of frustration, heartbreak, and feeling overwhelmed, exhausted, and helpless were revealed. In addition, pride in being a nurse was expressed. CONCLUSION: Themes revealed in this study suggested intentional leadership strategies that would be useful in future healthcare crises.

Factor VIII levels and bleeding according to factor 8 (F8) mutation in pregnant carriers of haemophilia A: a multicentre retrospective cohort study.

This retrospective cohort study investigated the association between factor 8 (F8) genotype severity and factor VIII (FVIII) levels during pregnancy for 52 women (64 pregnancies) who were heterozygous carriers of mild, moderate or severe haemophilia A. There were no significant differences in FVIII levels for carriers of mild, moderate or severe haemophilia A at baseline [mean (SD) level: mild, 0·78 (0·22); moderate, 0·83 (0·33); severe, 0·70 (0·25) iu/ml; P = 0·81] or in the third trimester [mean (SD) level: mild, 1·42 (0·28); moderate, 1·47 (0·41); severe, 1·37 (0·49) iu/ml; P = 0·80). Post-partum haemorrhage rates were higher for carriers of severe haemophilia A (13/24; 54·2%) compared to carriers of mild haemophilia A (four of 14; 28·6%).

Preclinical Evaluation of a Fluorescent Probe Targeting Receptor CDCP1 for Identification of Ovarian Cancer.

Optimal cytoreduction for ovarian cancer is often challenging because of aggressive tumor biology and advanced stage. It is a critical issue since the extent of residual disease after surgery is the key predictor of ovarian cancer patient survival. For a limited number of cancers, fluorescence-guided surgery has emerged as an effective aid for tumor delineation and effective cytoreduction. The intravenously administered fluorescent agent, most commonly indocyanine green (ICG), accumulates preferentially in tumors, which are visualized under a fluorescent light source to aid surgery. Insufficient tumor specificity has limited the broad application of these agents in surgical oncology including for ovarian cancer. In this study, we developed a novel tumor-selective fluorescent agent by chemically linking ICG to mouse monoclonal antibody 10D7 that specifically recognizes an ovarian cancer-enriched cell surface receptor, CUB-domain-containing protein 1 (CDCP1). 10D7ICG has high affinity for purified recombinant CDCP1 and CDCP1 that is located on the surface of ovarian cancer cells in vitro and in vivo. Our results show that intravenously administered 10D7ICG accumulates preferentially in ovarian cancer, permitting visualization of xenograft tumors in mice. The data suggest CDCP1 as a rational target for tumor-specific fluorescence-guided surgery for ovarian cancer.

COVID-19: The Lived Experience of Critical Care Nurses.

OBJECTIVE: The goal of this qualitative phenomenological study was to explore in-depth, critical care nurses' (CCNs) lived experience while caring for coronavirus disease 2019 (COVID-19) patients during the pandemic. BACKGROUND: CCNs play an important role during pandemics characterized by highly contagious, life-threatening disease. Understanding the experience of CCNs during a pandemic is particularly important because of the high rate of burnout within this group, as well as a shortage of these caregivers across the globe. METHODS: Using Heidegger's interpretive phenomenological approach, interviews were conducted with 10 CCNs caring for COVID-19 patients. The goal of the interviews was to access a deep layer of understanding regarding participants' lived experience. RESULTS: Themes of role frustration, emotional and physical exhaustion, and the importance of presence were revealed. CONCLUSION: Themes revealed suggest a number of actions hospital administrators could take to support CCNs as they experience the challenges of a pandemic.

The Baptist Health Lexington Nursing Orientation Progression Tool: A Methodological Study.

OBJECTIVE: The purpose of this study was to develop and test a tool to monitor a nursing orientee's progress to competence. BACKGROUND: The literature suggests that, during orientation, consistent documentation and communication among educators, preceptors, and nurse leaders facilitate a timely progression to independent practice for new nurses. METHODS: A 2-phase methodological study was conducted. Nurse educators clarified goals, identified essential competencies, and developed the Baptist Health Lexington Nursing Orientation Progression Tool (OPT). The tool was used to monitor orientees' progression through orientation. RESULTS: Content validity assessment of the OPT (content validity index = 0.98) demonstrated strong validity. Testing of the tool revealed 31 nurses completed orientation early, 12 completed orientation on time, and 18 nurses required extended orientation time. All requiring an extension were new graduates. CONCLUSION: The OPT guided preceptors to facilitate timely completion of orientation among newly hired nurses. Findings suggest that new graduates may need more assistance than experienced nurses.

Conducting a Virtual Research Symposium: Path to Success.

Strategies used to change an annual statewide research symposium from a face-to-face experience to a virtual event at a 434-bed Magnet® redesignated community hospital are described. The program met with success and increased access for attendees. For the 1st time, credited to the virtual format, representatives from all 9 hospitals in the system were able to attend. Feedback following the symposium suggested that participants who live at a distance from the hospital appreciated being able to attend the meeting without traveling, technical issues were promptly resolved, and presenters received positive evaluations.

Effect of a Parent Empowerment Program on Parental Stress, Satisfaction, and Length of Stay in the Neonatal Intensive Care Unit.

Parental stress is high when infants are admitted to a neonatal intensive care unit in community-based hospital. This quasi-experimental study explored the effect of implementing the "Creating Opportunities for Parent Empowerment" (COPE) program on parental stress, postpartum depression, parental satisfaction with care, and length of stay in a community-based hospital. A cohort of nurses completed a 1-day "COPE for HOPE" parent empowerment training session. A nurse implemented the COPE parent training at the bedside soon after birth and extended throughout hospitalization. The following instruments were used to collect data: a demographic data sheet, Parental Stress Scale: Neonatal Intensive Care Unit, Edinburgh Postnatal Depression Scale, and an investigator-designed parent satisfaction survey. Forty-nine parent sets participated in the study (29 in the intervention group, 20 in the comparison group). A significant difference was found between the groups related to lower parental stress. There was no difference in terms of parental depression scores or length of hospital stay. However, clear trends revealed that parents in the COPE group exhibited lower depression scores. Parents in both groups reported being greater than 95% satisfied with care across all items. These findings may motivate administrators in other community-based hospitals to implement this intervention.

A quantitative comparison of arm activity between survivors of breast cancer and healthy controls: use of accelerometry.

PURPOSE: Survivors of breast cancer (BC) on the non-dominant side have more persistent deficits than those with cancer on the dominant limb. What is not known is whether those with BC use their involved upper limbs more, less, or at the same level as women without BC. Accelerometer use offers a quantifiable method to measure activity levels of upper limbs. The purpose of this study was to quantify the activity levels of the non-dominant involved limb among survivors of BC and compare these values to their dominant limb, as well as the non-dominant limb of a control group. METHODS: Participants (n = 30) were women with unilateral BC on the non-dominant limb, diagnosed between 6 and 24 months prior to data collection, and a matched healthy group of women as controls. Participants completed the following questionnaires: medical and demographics, Brief Fatigue Inventory, Brief Pain Inventory - Short form, Disabilities of the Arm, Shoulder and Hand (DASH), and Beck Depression Index. Participants wore an accelerometer on each wrist during waking hours for 7 days. Arm activity was measured using vector magnitude activity counts extracted from the accelerometers. RESULTS: There were no significant differences in total vector magnitude activity counts between groups for either limb. Within group dominant to non-dominant comparison was significantly different (p ≤ 0.001). No significant difference in pain was present but significant differences for fatigue (p = 0.002), depression (p = 0.004), and DASH scores (p = 0.035) were present. CONCLUSIONS: Women with non-dominant BC use their involved limb similar to healthy controls but less than their dominant limb.

Incidence and predictors of axillary web syndrome and its association with lymphedema in women following breast cancer treatment: a retrospective study.

PURPOSE: Axillary web syndrome (AWS) presents as a common postsurgical complication in individuals with breast cancer. Breast cancer-related lymphedema (BCRL) contributes to the shoulder and arm morbidity common in breast cancer survivors and often associated to cancer treatment. A paucity of literature exists evaluating the risk factors for developing AWS and the association between AWS and BCRL. The purposes of this study were (1) to identify risk factors for AWS in individuals with breast cancer, (2) to examine the association between BCRL and AWS, and (3) to determine if AWS increases the risk for developing BCRL. METHODS: A retrospective study of 354 women who underwent breast cancer treatment and received physical therapy was included. RESULTS: Axillary web syndrome developed in a third of women and predominately occurred in the first 8 postoperative weeks. The odds of AWS development were 73% greater for participants over the age of 60 (OR = 1.73, CI 95% 1.05-2.84). Women with AWS had 44% greater risk to develop lymphedema during the first postoperative year (RR = 1.44, CI 95% 1.12-1.84, p = 0.002). If AWS developed within the first postoperative month, women were almost 3 times more likely to develop lymphedema within the first 3 postoperative months compared with other women with AWS (RR = 2.75, CI 95% 1.199-6.310, p = 0.007). CONCLUSIONS: Our findings suggest that 30% of breast cancer survivors will have AWS during the first year of survivorship. As institutions prioritize screening efforts, early postoperative prospective surveillance is needed for women over 60 due to high risk for AWS development and any women with AWS for increased risk of lymphedema development based on our findings.

The development and testing of the Predictor of Appropriate Discharge Destination among patients undergoing elective total knee or hip joint arthroplasty.

OBJECTIVE: The aim of this study was to develop and test a tool, the Predictor of Appropriate Discharge Destination (PADD), used postoperative day zero by healthcare professionals to identify whether patients undergoing elective total knee arthroplasty or total hip arthroplasty should go directly home or to extended rehabilitation. A secondary objective was to examine the difference in readmissions pre and post use of the PADD. DESIGN: A two-phase methodological study. SETTING: This study was conducted in a 393-bed magnet re-designated community hospital. SUBJECTS: Adults undergoing a primary total knee or hip arthroplasty. METHODS: In Phase 1, retrospective data (n = 461) was analyzed to compare recommendations for discharge destination between the PADD and physical therapists. In Phase 2 (n = 521), the predictive validity of the PADD was assessed prospectively. RESULTS: In Phase 1, the PADD cut-off score of ⩽7 demonstrated good sensitivity (0.83) and specificity (0.68) in relation to the physical therapist's discharge destination recommendation. In Phase 2, sensitivity (0.75) and specificity (0.83) calculations were similar. Analysis of 30-day readmissions between the physical therapist's recommendation and the PADD score revealed 89.7% agreement. Readmission percentages among patients discharged to home and to rehabilitation facilities were 2.37% (n = 16) and 3.41% (n = 10), respectively. CONCLUSION: The PADD has good predictive validity in relation to appropriate discharge destination for patients undergoing a total knee or hip arthroplasty.

Evaluation of a Multisite Nurse-Led Mobility Plan.

OBJECTIVE: The aim of this study was to examine the effect of nurses' mobility plan use on patients' length of stay, discharge destination, falls, physical therapy consults, and nurses' knowledge, attitudes, and beliefs regarding patient mobility. BACKGROUND: Functional decline due to decreased mobility during hospitalization results in diminished quality of life. Sixty-five percent of older inpatients lose the ability to ambulate during hospitalization and 30% do not regain that capability. METHODS: Using a quasi-experimental design, nurses' use of a mobility assessment on 4 patient outcome variables was examined before (n = 2,259) and after (n = 3,649) use. Nurses' attitudes, knowledge, and beliefs regarding mobility were also examined. RESULTS: Positive changes in patient variables occurred. Limited change occurred relative to nurses' knowledge, attitudes, and beliefs. CONCLUSIONS: Implementing a nurse-led mobility plan enhances therapy resource utilization through identification of appropriate consults and improves patients' discharge home. In addition, nurses' knowledge, attitudes, and beliefs toward patient mobility planning can be positively influenced.