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Nevin Manimala Statistics

Screening instruments to predict adverse outcomes for undifferentiated older adults attending the Emergency Department: Results of SOAED prospective cohort study

Age Ageing. 2023 Jul 1;52(7):afad116. doi: 10.1093/ageing/afad116.

ABSTRACT

BACKGROUND: frailty screening facilitates the stratification of older adults at most risk of adverse events for urgent assessment and subsequent intervention. We assessed the validity of the Identification of Seniors at Risk (ISAR), Clinical Frailty Scale (CFS), Programme on Research for Integrating Services for the Maintenance of Autonomy seven item questionnaire (PRISMA-7) and InterRAI-ED at predicting adverse outcomes at 30 days and 6 months amongst older adults presenting to the Emergency Department (ED).

METHODS: a prospective cohort study of adults ≥65 years who presented to the ED was conducted. The ISAR, CFS, PRISMA-7 and InterRAI-ED were assessed. Blinded follow-up telephone interviews were completed at 30 days and 6 months to assess the incidence of mortality, ED re-attendance, hospital readmission, functional decline and nursing home admission. The sensitivity, specificity, negative predictive value and positive predictive value of the screening tools were calculated using 2 × 2 tables.

RESULTS: a total of 419 patients were recruited; 47% female with a mean age of 76.9 (Standard deviation = 7.2). The prevalence of frailty varied across the tools (CFS 57% versus InterRAI-ED 70%). At 30 days, the mortality rate was 5.1%, ED re-attendance 18.1%, hospital readmission 14%, functional decline 47.6% and nursing home admission 7.1%. All tools had a high sensitivity and positive predictive value for predicting adverse outcomes.

CONCLUSION: older adults who screened positive for frailty were at significantly increased risk of experiencing an adverse outcome at 30 days with the ISAR being the most sensitive tool. We would recommend the implementation of the ISAR in the ED setting to support clinicians in identifying older adults most likely to benefit from specialised geriatric assessment and intervention.

PMID:37463282 | DOI:10.1093/ageing/afad116

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Nurse Resiliency and Health in Practicing Nurses Before and During COVID-19

J Nurs Adm. 2023 Jul-Aug 01;53(7-8):420-428. doi: 10.1097/NNA.0000000000001308.

ABSTRACT

OBJECTIVES: The aim of this study was to compare the degree of resilience and self-perceived physical and mental health in nurses before and during the COVID-19 pandemic.

BACKGROUND: Work-related stress among nurses is recognized as an antecedent of burnout, which in turn impacts resiliency and well-being. The work of nursing has long been noted as stressful. Although nurse resilience and perceived well-being have been shown to decrease during a period of usual stress (constant and chronic), the impact and significance of prolonged stress on nurse resilience and well-being illuminates throughout the literature.

METHODS: Replicating a cross-sectional prepandemic study, nurses were resurveyed in 2020 during the COVID-19 pandemic. In both studies, the Connor-Davidson Resilience Scale and PROMIS Global Health was used to measure respondent’s: 1) resilience level; 2) physical health status; and 3) mental health status, respectively. Independent 2-sample t tests were performed to compare the pre-and-post score differences in the 3 outcomes. To identify characteristics that were associated with the pre-and-post differences, comparison analyses were also performed within each level of the respondents’ characteristic variables.

RESULTS: A higher proportion of postsurvey respondents reported working more than 8 hours of overtime per week, had thoughts of quitting their current job, and thought their workload was too much compared with the presurvey respondents. Generally, the postgroup resilience scores and self-perceived physical and mental scores were statistically significantly lower compared with the pregroup scores, but those differences were only observed in certain subgroups defined by respondents’ characteristics.

CONCLUSIONS AND IMPLICATIONS: Self-perceived physical and mental health are significantly associated with the degree of resilience and worsened during the COVID-19 pandemic, especially in younger and older nurse cohorts. Engaged nurse leaders are key to implement interventions that build resilience and perceived well-being during periods of usual and prolonged stress.

PMID:37463265 | DOI:10.1097/NNA.0000000000001308

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Nevin Manimala Statistics

Individual and Organizational Factors Associated With Nurse Manager Success

J Nurs Adm. 2023 Jul-Aug 01;53(7-8):392-398. doi: 10.1097/NNA.0000000000001305.

ABSTRACT

OBJECTIVE: The aim of this study was to synthesize previous findings and provide practical guidance for maximizing nurse manager and nurse performance.

BACKGROUND: Two recent studies have linked nurse manager job design factors and individual differences to a variety of valued outcomes, but practical implications remain unclear.

METHODS: A large US sample of nurse managers was divided on the basis of nurse and patient outcomes. Various characteristics are compared across the highest and lowest performers.

RESULTS: Wider nurse manager span of control is associated with negative outcomes; the availability of support positions does not fully alleviate the consequences of wide spans. Nurse managers with fewer subordinates can effectively manage multiple units. Nurse manager experience is critical for success and cannot be fully replaced by leadership training programs.

CONCLUSIONS: Staffing and job design decisions have critical downstream implications. The present research provides guidance for effective staffing and job design.

PMID:37463262 | DOI:10.1097/NNA.0000000000001305

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Nevin Manimala Statistics

Blast Lung Injury in Children: Injury Patterns and Associated Organ Injuries

Pediatr Emerg Care. 2023 Jul 19. doi: 10.1097/PEC.0000000000003021. Online ahead of print.

ABSTRACT

BACKGROUND: Bombings are the most common cause of civilian deaths in wars, and unfortunately, a large proportion of civilian victims are children.

OBJECTIVE: This study aimed to evaluate the frequency of blast lung injury (BLI), to evaluate lung injury patterns on tomographic images, and to document the relationship between blast lung and mortality in children exposed to the blast effect.

METHODS: Thirty-six children (25.3% of pediatric patients brought to our hospital with blast injury) with BLI were included in the study. The pediatric trauma score evaluations made in the emergency department in the first admission were recorded. Lung injury findings in the computed tomography images of the patients were examined, and injuries detected in other systems were recorded.

RESULTS: The most common lung injury pattern was contusion (right: 69.4%, left: 80.6%). The incidence of brain damage (52.4%) and intra-abdominal injury (76.2%) in children with low pediatric trauma score value was statistically significantly higher (P = 0.049, P = 0.017, respectively). There was no statistically significant correlation between the presence of lung injury, injury patterns, and mortality. The incidence of brain damage in deceased patients (61.5%) was statistically significantly higher than the incidence of brain damage in surviving patients (26.1%) (P = 0.036). Low pediatric trauma score was observed in 11 (84.6%) of the deceased children and in 10 (43.5%) of the survivors (P = 0.016). The mean age of children with hemothorax in the right lung was statistically significantly lower than those without (P = 0.014).

CONCLUSION: Our findings revealed that pediatric BLI is common after a blast, that it is associated with other system injuries, and that a multimodal radiological approach is required in child victims.

PMID:37463251 | DOI:10.1097/PEC.0000000000003021

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The Impact of SARS-CoV-2 Lineages (Variants) and COVID-19 Vaccination on the COVID-19 Epidemic in South Africa: Regression Study

JMIRx Med. 2023 Jul 3;4:e34598. doi: 10.2196/34598. eCollection 2023.

ABSTRACT

BACKGROUND: Emerging SARS-CoV-2 variants have been attributed to the occurrence of secondary, tertiary, quaternary, and quinary COVID-19 epidemic waves threatening vaccine efforts owing to their immune invasiveness. Since the importation of SARS-CoV-2 in South Africa, with the first reported COVID-19 case on March 5, 2020, South Africa has observed 5 consecutive COVID-19 epidemic waves. The evolution of SARS-CoV-2 has played a major role in the resurgence of COVID-19 epidemic waves in South Africa and across the globe.

OBJECTIVE: We aimed to conduct descriptive and inferential statistical analysis on South African COVID-19 epidemiological data to investigate the impact of SARS-CoV-2 lineages and COVID-19 vaccinations in South African COVID-19 epidemiology.

METHODS: The general methodology involved the collation and stratification, covariance, regression analysis, normalization, and comparative inferential statistical analysis through null hypothesis testing (paired 2-tailed t tests) of South African COVID-19 epidemiological data.

RESULTS: The mean daily positive COVID-19 tests in South Africa’s first, second, third, fourth, and fifth COVID-19 epidemic wave periods were 11.5% (SD 8.58%), 11.5% (SD 8.45%), 13.3% (SD 9.72%), 13.1% (SD 9.91%), and 14.3% (SD 8.49%), respectively. The COVID-19 transmission rate in the first and second COVID-19 epidemic waves in South Africa was similar, while the COVID-19 transmission rate was higher in the third, fourth, and fifth COVID-19 epidemic waves than in the aforementioned waves. Most COVID-19 hospitalized cases in South Africa were in the general ward (60%-79.1%). Patients with COVID-19 on oxygen were the second-largest admission status (11.2%-16.8%), followed by patients with COVID-19 in the intensive care unit (8.07%-16.7%). Most patients hospitalized owing to COVID-19 in South Africa’s first, second, third, and fourth COVID-19 epidemic waves were aged between 40 and 49 years (16.8%-20.4%) and 50 and 59 years (19.8%-25.3%). Patients admitted to the hospital owing to COVID-19 in the age groups of 0 to 19 years were relatively low (1.98%-4.59%). In general, COVID-19 hospital admissions in South Africa for the age groups between 0 and 29 years increased after each consecutive COVID-19 epidemic wave, while for age groups between 30 and 79 years, hospital admissions decreased. Most COVID-19 hospitalization deaths in South Africa in the first, second, third, fourth, and fifth COVID-19 epidemic waves were in the ages of 50 to 59 years (15.8%-24.8%), 60 to 69 years (15.9%-29.5%), and 70 to 79 years (16.6%-20.7%).

CONCLUSIONS: The relaxation of COVID-19 nonpharmaceutical intervention health policies in South Africa and the evolution of SARS-CoV-2 were associated with increased COVID-19 transmission and severity in the South African population. COVID-19 vaccination in South Africa was strongly associated with a decrease in COVID-19 hospitalization and severity in South Africa.

PMID:37463043 | PMC:PMC10337479 | DOI:10.2196/34598

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Impact of Anti-EGFR Therapies on HER2-Positive Metastatic Colorectal Cancer: A Systematic Literature Review and Meta-Analysis of Clinical Outcomes

Oncologist. 2023 Jul 18:oyad200. doi: 10.1093/oncolo/oyad200. Online ahead of print.

ABSTRACT

BACKGROUND: HER2 overexpression/amplification in patients with RAS wild-type (WT) metastatic colorectal cancer (mCRC) may be associated with resistance to standard-of-care anti-EGFR therapies. Given the lack of comprehensive investigations into this association, we assessed the prognostic or predictive effect of HER2 amplification/overexpression on anti-EGFR treatment outcomes.

METHODS: A systematic review of MEDLINE, Embase, and Cochrane Library (2001-2021) identified studies evaluating progression-free survival (PFS), overall response rate (ORR), and overall survival (OS) in HER2-positive vs. HER2-negative patients with RAS WT mCRC who received anti-EGFR treatments and whose HER2 status was known. Meta-analyses of proportions (ORR) and hazard ratios (PFS, OS) were performed using random-effect models with pre-specified sensitivity analyses.

RESULTS: Five high-quality retrospective cohort studies were included in the meta-analyses representing 594 patients with mCRC. All patients received anti-EGFR treatment, either as monotherapy or in combination with chemotherapy. Meta-analysis of PFS demonstrated a 2.84-fold higher risk of death or progression (95% CI, 1.44-5.60) in patients with HER2-positive (vs. HER2-negative) RAS WT mCRC treated with anti-EGFR regimens. The odds of response to anti-EGFR treatment were 2-fold higher in HER2-negative vs. HER2-positive (odds ratio, 1.96 [95% CI, 1.10-3.48]). Differences in OS were not statistically significant. Sensitivity analyses confirmed the robustness of the base-case estimates.

CONCLUSIONS: While this study could not account for all confounding factors, in patients with RAS WT mCRC who received anti-EGFR therapy, HER2 overexpression/amplification was associated with worse PFS and ORR and may therefore predict poorer outcomes. HER2 testing is important to inform treatment decisions and could optimize outcomes for patients.

PMID:37463037 | DOI:10.1093/oncolo/oyad200

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Determinants of Inadequate Health Literacy Among Faculty of Medical Technical Sciences Students in Albania: Cross-Sectional Survey

JMIR Form Res. 2023 Jul 18;7:e46476. doi: 10.2196/46476.

ABSTRACT

BACKGROUND: Health literacy (HL) refers to people’s ability to find, understand, and use health information in order to make appropriate health decisions. Health literacy among students is important so that tomorrow’s health professionals can deliver high-quality health care and enhance patient education and communication.

OBJECTIVE: In this context, the aim of this study was to assess the HL level of Faculty of Medical Technical Sciences (FMTS) students in order to shed light on this underresearched topic in Albanian settings.

METHODS: A cross-sectional study involving 193 FMTS students of various study branches (nursing, midwifery, physiotherapy, and laboratory technician) was carried out during June 22-29, 2022, on the premises of the FMTS Faculty in Tirana, Albania. The international European Health Literacy Survey Questionnaire (HLS-EU-Q) standardized questionnaire, validated in Albanian, was used to collect information about FMTS students’ general HL through a face-to-face interview. Basic sociodemographic information was collected as well. Binary logistic regression was used to assess the factors associated with inadequate, problematic, or limited HL.

RESULTS: The mean level of general HL was 37.2 (on a scale from 0 [minimum HL] to 50 [maximal HL]). About one-quarter of FMTS students had inadequate (9/193, 4.7%) or problematic (38/193, 19.7%) HL, 51.3% (99/193) had sufficient HL, and 24.4% (47/193) had excellent HL. The prevalence of limited HL (inadequate and problematic HL) was higher among male than female students (6/12, 50% vs 41/181, 22.6%, respectively) and those with lower social and economic status. Upon adjusting for confounding effects, the only factor significantly increasing the likelihood of limited HL was male gender (odds ratio 8.13, 95% CI 1.68-39.39). Findings suggested that low social and economic status also increased the likelihood of limited HL, but such associations did not reach statistical significance.

CONCLUSIONS: To our knowledge, this is the first study exploring the level of HL and its associated factors among FMTS students in Albania. The prevalence of limited HL was relatively high among FMTS students. There is a need for targeted interventions to increase the HL of nursing and midwifery students, such as the inclusion of HL subjects in the nursing curriculum.

PMID:37463034 | DOI:10.2196/46476

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Vesicourethral Anastomosis in Transvesical Single-Port Robotic Radical Prostatectomy (SP-RARP): A Technical Description and Perioperative Outcomes

J Endourol. 2023 Jul 18. doi: 10.1089/end.2023.0269. Online ahead of print.

ABSTRACT

OBJECTIVE: To describe the technical evolution and perioperative outcomes of vesicourethral anastomosis (VUA) in Transvesical (TV) Single-Port Robot-Assisted Radical Prostatectomy (SP-RARP).

METHODS: A retrospective review was performed on 189 patients who underwent TV SP-RARP by a single surgeon using the purpose-built SP robotic platform. VUA was completed from within the bladder using two unidirectional V-loc sutures in a continuous, semicircular fashion with greater emphasis posteriorly. The most recent 20 cases of TV SP-RARP were selected to evaluate the anastomosis technique and to compare the perioperative outcomes with the first 20 cases of TV SP-RARP performed at our institution. Demographic and clinical data were collected from the prospectively maintained database and statistical analysis was performed.

RESULTS: VUA was successfully completed in all cases using the aforementioned technique without any suture breaks, conversion, or evidence of intraoperative complication including urine leak. Marked improvement in the learning curve was observed, resulting in significant reduction in the number of VUA sutures (median: 13 vs. 15, p<0.05) and faster anastomosis time (median: 19.1 vs. 33.5 minutes, p<0.05). The number of anastomotic sutures did not correlate with the prostatectomy specimen weight or volume, especially with both being significantly greater in the latest cases (median weight: 45.1 vs. 37.6 grams, p<0.05; median volume: 40.9 vs. 36.2 mL, p<0.05). Postoperative outcomes were favorable with immediate continence achieved in 51.3% of our total cohort and with no patients demonstrating evidence of bladder neck contracture.

CONCLUSION: We provided a detailed technical description of VUA in TV SP-RARP. The improved maneuverability of the SP robotic platform allowed for unique movements to facilitate suture placements from within the confined space of the bladder. The learning curve of a single surgeon was shown in our study, which resulted in notable reduction in the number of sutures, faster anastomosis time, and improved perioperative outcomes.

PMID:37463019 | DOI:10.1089/end.2023.0269

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KIT/PDGFRA Variant Allele Frequency as Prognostic Factor in Gastrointestinal Stromal Tumors (GISTs): Results From a Multi-Institutional Cohort Study

Oncologist. 2023 Jul 18:oyad206. doi: 10.1093/oncolo/oyad206. Online ahead of print.

ABSTRACT

BACKGROUND: The patient selection for optimal adjuvant therapy in gastrointestinal stromal tumors (GISTs) is provided by nomogram based on tumor size, mitotic index, tumor location, and tumor rupture. Although mutational status is not currently used to risk assessment, tumor genotype showed a prognostic influence on natural history and tumor relapse. Innovative measures, such as KIT/PDGFRA-mutant-specific variant allele frequency (VAF) levels detection from next-generation sequencing (NGS), may act as a surrogate of tumor burden and correlate with prognosis and overall survival of patients with GIST, helping the choice for adjuvant treatment.

PATIENTS AND METHODS: This was a multicenter, hospital-based, retrospective/prospective cohort study to investigate the prognostic role of KIT or PDGFRA-VAF of GIST in patients with radically resected localized disease. In the current manuscript, we present the results from the retrospective phase of the study.

RESULTS: Two-hundred (200) patients with GIST between 2015 and 2022 afferent to 6 Italian Oncologic Centers in the EURACAN Network were included in the study. The receiver operating characteristic (ROC) curves analysis was used to classify “low” vs. “high” VAF values, further normalized on neoplastic cellularity (nVAF). When RFS between the low and high nVAF groups were compared, patients with GIST with KIT/PDGFRA nVAF > 50% showed less favorable RFS than patients in the group of nVAF ≤ 50% (2-year RFS, 72.6% vs. 93%, respectively; P = .003). The multivariable Cox regression model confirmed these results. In the homogeneous sub-population of intermediate-risk, patients with KIT-mutated GIST, the presence of nVAF >50% was statistically associated with higher disease recurrence.

CONCLUSION: In our study, we demonstrated that higher nVAF levels were independent predictors of GIST prognosis and survival in localized GIST patients with tumors harboring KIT or PDGFRA mutations. In the cohort of intermediate-risk patients, nVAF could be helpful to improve prognostication and the use of adjuvant imatinib.

PMID:37463014 | DOI:10.1093/oncolo/oyad206

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Relative Ellipsoid Zone Reflectivity in Macular Telangiectasia Type 2

Invest Ophthalmol Vis Sci. 2023 Jul 3;64(10):21. doi: 10.1167/iovs.64.10.21.

ABSTRACT

PURPOSE: The relative ellipsoid zone reflectivity (rEZR) has been proposed as an innovative biomarker for photoreceptor integrity. This study evaluates the rEZR in macular telangiectasia type 2 (MacTel) eyes of different disease stages.

METHODS: The mean rEZR (ratio ellipsoid zone [EZ]/external limiting membrane [ELM] reflectivity [arbitrary units {AUs}], grey level range = 0-1) was analyzed for an entire spectral domain optical coherence tomography volume scan (global) and for each subfield of the Early Treatment Diabetic Retinopathy Study (ETDRS) grid (topographic) in patients with MacTel and controls. MacTel disease severity was classified according to Gass and Blodi.

RESULTS: Linear mixed-model analysis of 145 eyes of 74 patients and 50 eyes of 25 controls revealed globally lower, yet not statistically significant, rEZR values in MacTel eyes. Topographically, most pronounced decreases were found in stages 3 and 4/5 for the temporal inner (coefficient estimates [CEs] = -25.4 [-38.2; -12.6] and -34.1 [-48.7; -19.6] AU, both: P < 0.001), the inferior inner (-29.9 [-44.6; -15.6] and -35.3 [-52.1; -18.5] AU, both: P < 0.001), the nasal inner (-21.5 [-35.52; -7.4] and -31.6 [-47.6; -15.6] AU, P = 0,003 and P < 0.001), and in the superior inner subfield of stage 4/5 (-25.0 [-42.0; -7.9] AU, P = 0.004).

CONCLUSIONS: The rEZR showed association with disease severity and the predilection area of MacTel. Given the current understanding of the pathophysiological concept of MacTel, these findings underscore the value of the rEZR as a potential novel biomarker for outer retinal integrity. Longitudinal studies are demanded to better characterize its value as a biomarker for early photoreceptor alterations and disease progression in MacTel.

PMID:37462978 | DOI:10.1167/iovs.64.10.21