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Assessing the stability and sporicidal efficacy of oxidizing disinfectants. J Hosp Infect 2024; 149:22-25. [PMID: 38705474 DOI: 10.1016/j.jhin.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/10/2024] [Accepted: 04/14/2024] [Indexed: 05/07/2024]
Abstract
BACKGROUND The role of the healthcare environment in the transmission of clinical pathogens is well established. EN 17126:2018 was developed to address the need for regulated sporicidal product testing and includes a realistic medical soil to enable validation of products that claim combined cleaning and disinfection efficacy. AIM To investigate the chemical stability and sporicidal efficacy of oxidizing disinfectant products in the presence of simulated clean and medical dirty conditions. METHODS Disinfectant stability and sporicidal efficacy were evaluated in like-for-like ratios of soil:product. Disinfectants were exposed to simulated test soils and free chlorine, chlorine dioxide or peracetic acid concentrations were measured using standard colorimetric methods. Efficacy of disinfectants against C. difficile R027 endospores was assessed as per EN 17126:2018. Comparisons of performance between clean and medical dirty conditions were performed using one-way analysis of variance. Correlation analysis was performed using Pearson product-moment correlation. FINDINGS Performance of chlorine-releasing agents (sodium dichloroisocyanurate, chlorine dioxide and hypochlorous acid) was concentration dependent, with 1000 ppm chlorine showing reduced stability and efficacy in dirty conditions. By contrast, peracetic acid product demonstrated stability and consistently achieved efficacy in dirty conditions. CONCLUSION These results have implications for clinical practice, as ineffective environmental decontamination may increase the risk of transmission of pathogens that can cause healthcare-associated infections.
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Occult tension pneumothorax discovered following imaging for adult trauma patients in the modern major trauma system: a multicentre observational study. BMJ Mil Health 2024; 170:123-129. [PMID: 35584853 DOI: 10.1136/bmjmilitary-2022-002126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/08/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Tension pneumothorax following trauma is a life-threatening emergency and radiological investigation is normally discouraged prior to treatment in traditional trauma doctrines such as ATLS. Some trauma patients may be physiologically stable enough for diagnostic imaging and occult tension pneumothorax is discovered radiologically. We assessed the outcomes of these patients and compared them with those with clinical diagnosis of tension pneumothorax prior to imaging. METHODS A multicentre civilian-military collaborative network of six major trauma centres in the UK collected observational data from adult patients who had a diagnosis of traumatic tension pneumothorax during a 33-month period. Patients were divided into 'radiological' (diagnosis following CT/CXR) or 'clinical' (no prior CT/CXR) groups. The effect of radiological diagnosis on survival was analysed using multivariable logistic regression that included the covariates of age, gender, comorbidities and Injury Severity Score. RESULTS There were 133 patients, with a median age of 41 (IQR 24-61); 108 (81%) were male. Survivors included 49 of 59 (83%) in the radiological group and 59 of 74 (80%) in the clinical group (p=0.487). Multivariable logistic regression showed no significant association between radiological diagnosis and survival (OR 2.40, 95% CI 0.80 to 7.95; p=0.130). There was no significant difference in mortality between the groups. CONCLUSION Radiological imaging may be appropriate for selected trauma patients at risk of tension pneumothorax if they are considered haemodynamically stable. Trauma patients may be physiologically stable enough for radiological imaging but have occult tension pneumothorax because they did not have the typical clinical presentation. The historical dogma of the 'forbidden scan' no longer applies to such patients.
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Longitudinal relationships between self-compassion and depressive symptoms in midlife women. Climacteric 2023; 26:619-624. [PMID: 37839438 DOI: 10.1080/13697137.2023.2256651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/18/2023] [Indexed: 10/17/2023]
Abstract
OBJECTIVE Women in midlife face a range of biopsychosocial stressors that increase the risk of depression, with potential negative consequences in older adulthood. Lower self-compassion is known to predict subsequent depressive symptoms, but little is known about whether depressive symptoms predict subsequent levels of self-compassion. This study examined the longitudinal and reciprocal relationships between self-compassion and depressive symptoms over a 5-year period in midlife. METHOD This longitudinal study used data from 272 women aged 40-60 years at baseline. Cross-lagged panel analysis was used to investigate reciprocal relationships between depressive symptoms and self-compassion at baseline and 5-year follow-up. RESULTS After controlling for autoregressive effects, self-compassion at baseline explained 4% of unique variance in depressive symptoms 5 years later. Baseline depressive symptoms also predicted subsequent levels of self-compassion, with 2% of unique variance explained. CONCLUSION This is the first study to report a bidirectional longitudinal relationship between self-compassion and depressive symptoms. Midlife women may experience a negative cycle whereby low self-compassion and depressive symptoms reinforce each other through midlife and into older adulthood. Clinical trials examining self-compassion interventions in midlife are indicated.
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Clinical fracture incidence in metastatic hormone-sensitive prostate cancer and risk-reduction following addition of zoledronic acid to androgen deprivation therapy with or without docetaxel: Long-term results from the STAMPEDE trial. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01237-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Targeted combination therapy based on endotypes resolves obstructive sleep apnoea. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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190P Combination of IPH5201, a blocking antibody targeting the CD39 immunosuppressive pathway, with durvalumab and chemotherapies: Preclinical rationale. IMMUNO-ONCOLOGY AND TECHNOLOGY 2022. [DOI: 10.1016/j.iotech.2022.100302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Anastomosis Groups of Rhizoctonia solani and Binucleate Rhizoctonia Associated with Potatoes in Idaho. PLANT DISEASE 2022; 106:3127-3132. [PMID: 35536211 DOI: 10.1094/pdis-12-21-2683-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A survey of the relative incidence of anastomosis groups (AGs) of Rhizoctonia spp. associated with potato disease was conducted in Idaho, the leading potato producing state in the U.S.A. In total, 169 isolates of Rhizoctonia solani and seven binucleate Rhizoctonia (BNR) isolates were recovered from diseased potato plants. The AG of each isolate was determined through real-time PCR assays for AG 3-PT and phylogenetic analysis of the internal transcribed spacer region of ribosomal DNA. AG 3-PT was the predominant AG, accounting for 85% of isolates recovered, followed by AG 2-1 (5.7%) and AG 4 HG-II (4.5%). Two different subsets of AG 2-1 isolates were recovered (subset 2 and 3). Three isolates each of AG A and AG K were recovered, as well as one isolate each of AG 5 and AG W. An experiment carried out under greenhouse conditions with representative isolates of the different AGs recovered from Idaho potatoes showed differences in aggressiveness between AGs to potato stems, with AG 3-PT being the most aggressive followed by an isolate of AG 2-1 (subset 3). The three BNR isolates representative of AG A, AG K, and AG W appeared to be less aggressive to potato stems than the R. solani isolates except for the AG 2-1 (subset 2) isolate. This is the first comprehensive study of the relative incidences of Rhizoctonia species associated with Idaho potatoes and the first study to report the presence of BNR AG W outside of China.
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LBA62 Comparison of abiraterone acetate and prednisolone (AAP) or combination enzalutamide (ENZ) + AAP for metastatic hormone sensitive prostate cancer (mHSPC) starting androgen deprivation therapy (ADT): Overall survival (OS) results of 2 randomised phase III trials from the STAMPEDE protocol. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.08.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Defining core patient descriptors for perforated peptic ulcer research: international Delphi. Br J Surg 2022; 109:603-609. [PMID: 35467718 DOI: 10.1093/bjs/znac096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/09/2022] [Accepted: 03/08/2022] [Indexed: 10/13/2023]
Abstract
BACKGROUND Perforated peptic ulcer (PPU) remains a common condition globally with significant morbidity and mortality. Previous work has demonstrated variation in reporting of patient characteristics in PPU studies, making comparison of studies and outcomes difficult. The aim of this study was to standardize the reporting of patient characteristics, by creating a core descriptor set (CDS) of important descriptors that should be consistently reported in PPU research. METHODS Candidate descriptors were identified through systematic review and stakeholder proposals. An international Delphi exercise involving three survey rounds was undertaken to obtain consensus on key patient characteristics for future research. Participants rated items on a scale of 1-9 with respect to their importance. Items meeting a predetermined threshold (rated 7-9 by over 70 per cent of stakeholders) were included in the final set and ratified at a consensus meeting. Feedback was provided between rounds to allow refinement of ratings. RESULTS Some 116 clinicians were recruited from 29 countries. A total of 63 descriptors were longlisted from the literature, and 27 were proposed by stakeholders. After three survey rounds and a consensus meeting, 27 descriptors were included in the CDS. These covered demographic variables and co-morbidities, risk factors for PPU, presentation and pathway factors, need for organ support, biochemical parameters, prognostic tools, perforation details, and surgical history. CONCLUSION This study defines the core descriptive items for PPU research, which will allow more robust synthesis of studies.
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Thickness and volume dependence of dielectric strength in advanced nanodielectric materials allowing for further size reduction of ultrahigh voltage capacitor prototypes. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:064706. [PMID: 35778040 DOI: 10.1063/5.0069682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 06/04/2022] [Indexed: 06/15/2023]
Abstract
We have developed a high dielectric, nanocomposite material, MU100, for use in pulsed power applications that include dielectric loaded antennas and ultra-high voltage capacitors. This paper presents the electrical properties of the first full-scale capacitor prototype along with sub-element modules. Additionally, refinements in the development process have sparked interest in a third-generation capacitor that would use similar dimensions as the initial small-scale samples that recorded breakdown fields of 225 kV/cm on average with peak breakdown fields of 328 kV/cm. The dielectric constant of these large-scale capacitors was 160. These capacitor prototypes have demonstrated voltage hold off of 500 kV. Similarly, thin samples that operated at 35-40 kV had lifetimes without failure in excess of 800 000 discharges at 80% of their maximum rated field strength.
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Mesenchymal Stem/Stromal Cells: SAFETY OF CORD TISSUE DERIVED MESENCHYMAL STROMAL CELLS IN COVID-19 RELATED ACUTE RESPIRATORY DISTRESS SYNDROME. Cytotherapy 2022. [PMCID: PMC9035758 DOI: 10.1016/s1465-3249(22)00181-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Online training resources to aid therapeutic radiographers in engaging in conversations about physical activity and diet: A mixed methods study. Radiography (Lond) 2022; 28:124-132. [PMID: 34583887 DOI: 10.1016/j.radi.2021.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 12/24/2022]
Abstract
INTRODUCTION This study explored changes in therapeutic radiographers' (TRs) self-reported knowledge and skills to engage in conversations about physical activity and diet with people living with and beyond cancer following completion of publicly available online courses. METHODS Participants were randomly assigned to two of five online courses that aim to support health professionals to engage in conversations about physical activity and diet in the oncology setting. Participants rated their agreement with 18 statements related to the COM-B (capability, opportunity and motivation-behaviour) model components following completion of an online course on healthy diet (n = 16) and physical activity (n = 21). Semi-structured telephone interviews (n = 21) were also conducted. Analysis of the interviews was guided by the Theoretical Domains Framework. RESULTS Overall, the online courses were acceptable and the TRs in this study self-reported improved COM to deliver advice on physical activity and diet. The inclusion of the evidence and scientific rationale on the benefits of diet and physical activity, and also guidance on how to start conversations with patients were highlighted as important features of the courses. Suggestions for adaptations to the nutrition courses included the need for content that accounts for the side effects cancer patients experience while undergoing treatment. To support the implementation of training and the delivery of advice on these topics, multi-disciplinary working, organisational support and guidance around professional role boundaries were highlighted as important. CONCLUSION Current publicly available online courses on physical activity and diet for oncology health professionals can reduce some barriers among TRs to providing advice to those living with and beyond cancer. IMPLICATIONS FOR PRACTICE Existing online training courses could be used to support TRs to deliver physical activity and dietary advice in practice. Findings show that these courses can be disseminated within radiotherapy departments. The results also highlight a number of important considerations for the implementation of brief health behaviour advice and online training interventions on physical activity and diet within cancer care.
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Non-invasive Detection of Persistent Cortical Hypoxia in Multiple Sclerosis Using Frequency Domain Near-Infrared Spectroscopy (fdNIRS). ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1395:89-93. [PMID: 36527619 DOI: 10.1007/978-3-031-14190-4_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
There may be a relationship between hypoxia and inflammation, which is important in the outcomes of a wide array of human diseases. Multiple sclerosis (MS) is one such disease. There is evidence that hypoxia may influence inflammation in MS. We showed previously that about 40% of participants with MS had hypoxia in the cortical grey matter using frequency-domain near-infrared spectroscopy (fdNIRS). In this study, we aimed to determine if hypoxia in MS persists chronically (for a year or more) by measuring at baseline and ≥12 months later. We found that hypoxia persists for at least a year in 80% of participants with MS. As more individuals remained hypoxic than returned to normoxia, the development of hypoxia may relate to disease progression.
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ReIMAGINE: a prostate cancer research consortium with added value through its patient and public involvement and engagement. RESEARCH INVOLVEMENT AND ENGAGEMENT 2021; 7:81. [PMID: 34789334 PMCID: PMC8596340 DOI: 10.1186/s40900-021-00322-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND ReIMAGINE aims to improve the current prostate specific antigen (PSA)/biopsy risk stratification for prostate cancer (PCa) and develop a new image-based method (with biomarkers) for diagnosing high/low risk PCa in men. ReIMAGINE's varied patient and public involvement (PPI) and engagement (PE) strategy maximises the impact of its scientific output by informing and shaping the different stages of research. AIMS Through including the voice of patients and the public, the ReIMAGINE Consortium aims to translate these different perspectives into the design and implementation process. This will improve the overall quality of the research by: reflecting the needs and priorities of patients and the public, ensuring methods and procedures are feasible and appropriate ensuring information is relevant and accessible to those being recruited to the study identifying dissemination channels relevant to patients/the public and developing outputs that are accessible to a lay audience With support from our patient/user groups, the ReIMAGINE Consortium aims to improve our ability to derive prognostic information and allocate men to the most appropriate and effective therapies, using a novel image-based risk stratification with investigation of non-imaging biomarkers. FINDINGS We have been working with patients and the public from initiation of the project to ensure that the research is relevant to men and their families. Our PPI Sub-Committee, led by a PCa patient, has been involved in our dissemination strategy, outreach activities, and study design recommendations. For example, the sub-committee have developed a variety of informative videos relevant and accessible to those being recruited, and organised multiple online research engagement events that are accessible to a lay audience. As quoted by one of the study participants, "the more we present the benefits and opportunities to patients and the public, the more research commitment we obtain, and the sooner critical clinical questions such as PCa diagnostics will be addressed".
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Barriers, facilitators and pathways of a lung cancer screening (LCS) programme: COBELT co-design. Eur J Public Health 2021. [DOI: 10.1093/eurpub/ckab164.707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Lung cancer (LC) is one of the most common causes of cancer death globally. Adults aged 55+, (ex)-smokers and living in areas of deprivation are at greater risk from lung cancer. Leading to a 20% decrease in mortality rates, screening with Low Dose CT (LDCT) is a promising means of detecting LC early. Autoantibody biomarker blood tests may play a role in identifying people suitable for LDCT screening, forming a national LCS programme. To increase the likelihood of the success of such a programme, suitable ways of providing the service must firstly be identified. A 2-phase co-design process, with 2 population groups. Group 1-Aged 55+, (ex)-smoker, high deprivation (N = 39). Group 2-Health and community professionals (N = 16). Phase 1: Interviews and focus groups. Conversations focussed on barriers, facilitators and potential pathways for the uptake and provision of a biomarker blood test and LCS. Phase 2: Interactive surveys (offline/online), focussing on the prioritisation of key barriers and solution generation. Qualitative data was transcribed and analysed using thematic analysis. Descriptive statistics were generated for quantitative data. Phase 1 identified key barriers, facilitators and pathways for uptake and provision. Service users indicated options for uptake and a means to embed the programme in the community as essential. From the perspective of providers, capacity and time for provision were key. Phase 2 found a home test kit was the preferred method of blood test for service users (independently or with assistance). Service providers leaned towards provision via venesection. Barriers were ranked by service users, the most dominant barrier was Fear of test result. Working in a collaborative manner has led to the identification of new knowledge and insights regarding the best means to target a future LCS programme to those who may benefit most. Future implementation of such a programme should consider the results from this study.
This is a CSO funded project.
Key messages
This process has illuminated key barriers, facilitators and pathway options that could improve the implementation of a LCS programme, using an autoantibody blood test to identify LDCT candidates. Measures to overcome barriers from both the perspective of the service users and providers are necessary to ensure the success of the LCS programme.
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174 Semi-Skeletonized Versus Pedicled Internal Mammary Artery Harvesting: A Systematic Review. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Objectives
To compare semi-skeletonized with pedicled harvesting technique of the internal mammary artery for coronary artery bypass surgery.
Method
A comprehensive literature search was performed on PubMed, Cochrane database, Embase, Google Scholar and Ovid identifying articles that compared semi-skeletonised to pedicled internal mammary artery in the use of coronary artery bypass surgery. Databases were evaluated and assessed from inception to July 2020.
Results
Only five studies fulfilled the criteria for this review. There was no reported incidence of sternal wound infection, myocardial infarction, or mortality. The length of the IMA graft was longer in the semi-skeletonized group compared to the pedicled group, 16.06cm versus 14.63cm respectively (p < 0.001). The intraoperative diastolic flow was significantly greater in the semi-skeletonized grafts than in the pedicled grafts during (p = 0.003) and after (p = 0.005) cardiopulmonary bypass. The incidence of pleural effusion (pedicled, 52.6%; semi-skeletonized, 23.6%; p = 0.002) and atelectasis (pedicled, 42.1%; semi-skeletonized, 20.0%, p = 0.015) were significantly higher in pedicled group. Post-operative chest tube drainage was significantly higher in the pedicled group (608 ± 58 mL compared to 470 ± 48 mL; p = 0.027). Additionally, FEV1 was significantly decreased in the pedicled group 6 days after surgery (pedicled:76.0% ± 1.6%; semi-skeletonized: 83.2% ± 1.6%; p = 0.020).
Conclusions
These results demonstrate that the semi-skeletonized preparation technique is associated with satisfactory outcomes during harvesting the internal mammary artery. Yet, due to limited numbers of studies, there is need for larger comparative studies to assess post-operative outcomes with a longer period of follow up.
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1609 Patient Demographics and Outcomes Following Acute Presentation with An Inguinal Hernia; A 15-Year Retrospective Cohort Study from The North of England. Br J Surg 2021. [DOI: 10.1093/bjs/znab258.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Aim
Although inguinal hernia repair is one of the most common elective procedures performed, emergency repair carries a far greater risk to patients. This study aimed to report on patient demographics and outcomes following emergency presentation with an inguinal hernia.
Method
Patients ≥18 years admitted acutely with an inguinal hernia across NHS trusts in the North of England between 2002-2016 were identified. Data were collected on demographics, investigations, and operative interventions. Outcomes including length of stay (LoS) and 30-day mortality were analysed.
Results
A total of 4698 patients presented over the 15-year study period. The cohort were predominantly male (n = 4133, 88.0%) with median age of 71 years (IQR: 56-81). Whilst no significant difference in age or gender were found across the study period, comorbidities, as measured by Charlson score, increased over time (p < 0.001). In those who underwent operative intervention (n = 2580), median length of stay was 3 days (IQR: 2-5) and 30-day inpatient mortality rate was 2.5%. Advanced age and comorbidity were associated with higher overall 30-day mortality and post-operative 30-day mortality (both p < 0.001).
Conclusions
This study highlights the frailty of patients presenting as emergency with complications secondary to inguinal hernia. Given the increased risk observed in this patient group, it is vital that perioperative care is optimised, and patients are counselled appropriately.
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1601 Trends in Investigation, Management and Patient Outcomes Following Emergency Presentation with Groin Hernia. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
Groin hernias are associated with an increased morbidity and mortality following emergency presentations. This study aimed to review current practices regarding investigation and operative management of acute admissions of groin hernias in the North of England.
Method
Patients ≥18 years admitted as an emergency with femoral or inguinal hernias, between 2002-2016, across NHS trusts in the North of England were included. Data on demographics, investigations and operative interventions was collected. Outcomes of interest included rate of bowel resection, length of stay (LoS) and 30-day postoperative mortality.
Results
A total of 6165 patients were identified over 15 years: 4698 inguinal hernias and 1467 femoral hernias. 3904 (63.3%) underwent emergency surgery. Pre-operative CT scanning increased from 1.0% (2002-2006) to 12.3% (2012-2016) (p < 0.001) and was associated with a reduced rate of surgical intervention (64.0% vs. 55.3%, p < 0.001). Bowel resection was higher amongst patients who underwent CT (16.6% vs. 6.4%, p < 0.001). Of those presenting with bowel obstruction, 11.7% required resection, 95.9% of these being small bowel. Bowel resection was associated with increased LoS (p < 0.001) and 30-day postoperative mortality (16.4% vs. 2.8%, p < 0.001). Laparoscopic repair, utilised in 177 procedures (4.5%), was associated with a shorter LoS compared to open repair (4.7 vs 5.5 days, p < 0.001) but no difference in mortality.
Conclusions
Emergency hernia repair, particularly cases requiring bowel resection, have high mortality rates. Pre-operative CT scanning is associated with reduced rates of operative intervention. Further research is required to assess the impact these changes have on surgical decision-making, and subsequent patient outcomes.
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20 The Junior Doctor Changeover Effect – Does It Exist in General Surgery? Br J Surg 2021. [DOI: 10.1093/bjs/znab258.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Junior doctor changeover has been perceived as a period of increased risk to patients. However, there is a paucity of contemporary evidence into this ‘Changeover Effect’. The aim of this study was to evaluate the presence of an adverse patient effect during periods of junior doctor changeover.
Method
Data were requested on all patients aged 18 years or older admitted acutely under General Surgery in the North England between 2005-16. This included patient characteristics, diagnoses, co-morbidities, procedure codes, mortality and length of stay. Patients were included in the study if they were admitted during the ‘changeover week’; defined as the first day of the changeover followed by the six subsequent days. For junior trainees (FY1-CT2), this is the first Wednesday of August, December and April each year. For higher surgical trainees (ST3-8) the first Wednesday and October. Another week, four weeks prior, was chosen as a historical comparator.
Results
61714 patients were included in this study. Patient characteristics did not vary between the cohorts. There was no difference in 30-day mortality between changeover and non-changeover groups (2.5% vs. 2.6%, p = 0.280) or length of stay (5.3 vs 5.2, p = 0.613). Changeover week was not a predictor of increased mortality (OR 1.06, p = 0.302) following multivariate adjustment. Further analysis of the first junior and higher specialty trainee periods, August and October respectively, showed no significant difference for measured outcomes.
Conclusions
This retrospective cohort study provides contemporary evidence that the ‘changeover effect’ does not exist in acute general surgical admissions in the UK.
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113 Ischaemic Bowel in The North of England: Trends in Management Approach And Patient Outcomes. Br J Surg 2021. [DOI: 10.1093/bjs/znab258.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
Bowel ischaemia is the third most common indication for emergency laparotomy in the UK and is associated with high rates of postoperative morbidity and mortality. This study describes changes in incidence, patient characteristics, management approach and outcomes for patients with bowel ischaemia over a fifteen-year period
Method
Data for patients admitted as an emergency, with a diagnosis of bowel ischaemia, to NHS hospitals in the North of England between 2002 and 2016 were collected. This included patient demographics and co-morbidities, operations performed and outcomes. The primary outcome of interest was in-hospital death within 30 days of admission for non-operatively managed patients and 30-day post-operative mortality for those who underwent an operative intervention.
Results
The incidence of bowel ischaemia has increased as a proportion of emergency general surgery admissions by 68% over fifteen years. More patients are undergoing computerised tomography (CT) imaging has (44.0% vs. 70.3%, p<0.001) and more operations are being performed within 48 hours of admission (p<0.001). The number of patients being managed operatively has fallen from 56.7% to 38.7%. Decreased 30-day mortality rates were observed for both operatively (37.5% to 26.7%, p<0.001) and non-operatively (45.7% to 26.8%, p<0.001) managed patients. Mean length of hospital stay has remained relatively unchanged over time.
Conclusions
Ischaemic bowel is becoming increasingly common. Increased usage of CT imaging has likely resulted in decreased rates of operative management due to its ability to accurately characterise intra-abdominal pathology. Improved mortality rates were observed for both operative and non-operative management strategies.
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HOMOZYGOUS FAMILIAL HYPERCHOLESTEROLEMIA IN CANADA. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Perspectives of Interstitial Lung Disease Patients and Carers During COVID-19. IRISH MEDICAL JOURNAL 2021; 114:410. [PMID: 34520645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Aim To gain an understanding of the impact of COVID-19 on the daily life, healthcare needs, mental wellbeing and outlook of patients with Interstitial Lung Disease (ILD) and their caregivers. Methods ILD patients and caregivers were invited to participate in a quantitative survey. Respondents could self-select to then participate in in-depth structured telephone interviews. Survey data was compared to Department of Health COVID-19 public opinion tracker findings for the comparable time period. Results There were 170 survey respones (111 patients and 59 caregivers) and 14 in-depth interview participants. 32% (n=36) of patients and 42% (n=25) of caregivers expressed extreme worry regarding COVID-19 on a 1-10 scale. 83% (n=92) of patients expressed concern about safe hospital access, 33% (n=37) had received a telephone consultation with their clinician, 43% (n=48) reported test delays, 47% (n=52) were exercising less, 23% (n=26) reported worse sleep and 15% (n=17) reported being financially worse off. Carers reported that sleep was worse for 58% (n=34), 42% (n=25) reported being worse off financially, and 40% (n=24) reported a worse diet. Worry (66%, n=39), stress (51%, n=30), anxiety (49%, n=29) were commonly reported by carers. Discussion ILD patients and caregivers reported higher levels of worry regarding COVID-19 compared to the general public. Alternative pathways for quality ILD patient care and interventions to reduce the burden of care on ILD caregivers are required.
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A Systematic Review of Online Patient Resources to Support Shared Decision Making for Laparoscopic Cholecystectomy. World J Surg 2021; 45:2719-2733. [PMID: 34232356 DOI: 10.1007/s00268-021-06189-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2021] [Indexed: 01/11/2023]
Abstract
BACKGROUND RCS Eng, the Royal College of Surgeons of England, has published much information with regard to the consenting process. A majority of patients seek health information through online resources as well as discussing with the care givers. Therefore, it is necessary that online material is both of high quality and reliable for patients. We aimed to evaluate the quality and standard of the online patient information on laparoscopic cholecystectomy to help in the consenting process. METHODS A search was carried out as per the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Sources were assessed using five validated scoring tools: Flesch-Kincaid Reading Ease Score (readability), DISCERN and IPDAS scores (quality of content) and HONcode and the Information Standard Certification (standards of accreditation). RESULTS The average readability of all websites was higher than recommended for patient literature. Less than half of the sources had received HONcode or Information Standard accreditation. On grading of quality and content, across validated scoring tools, no source achieved the minimum recommended level. CONCLUSION Online patient information related to laparoscopic cholecystectomy is of poor quality. We recommend a multidisciplinary approach to participate in publishing more readable online resources of a higher standard to help patients and clinicians in consent and shared decision making.
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127 A Student Pilot For A Feasibility Study of the Theoretical 3S Trial (SPFT3S): Patient Questionnaire and Demographics. Age Ageing 2021. [DOI: 10.1093/ageing/afab030.88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
There is conflicting evidence on the benefit of statins for primary prevention of cardiovascular disease (CVD) in non-diabetics over 75. Emerging evidence shows they may be ineffective, yet current guidance supports their use in those up to 85. The objectives of this study were to assess patients’ understanding of statins, willingness to participate in a theoretical randomised controlled trial (RCT), where they would be randomised to stop their statin and to compare the trial population with national data.
Methods
The survey took place in 8 GP practices with 4 students involved in questionnaire distribution. A patient search identified those over 75 and on a statin. Patients were excluded if they had a history of CVD or diabetes. 36 patients were identified and completed questionnaires, 5 were removed because they reported exclusion criteria. Demographic data was compared to the UK population from the 2011 census.
Results
Of 31 participants, 71% understood why they took statins, most were unconcerned about side effects and only 1 patient stopped statins due to the media. Opinions on the theoretical “stopping statins trial” were varied. 35% of people responded positively. 29% would not want to take part and 36% of people were unsure. Comparison of our trial population against the national population shows that 903,505 people would be eligible for a UK trial.
Conclusions
The purpose of this exercise was to see if patients would be willing to participate in a trial where 50% stopped taking their statin. Approximately a third said yes and only a third said no. As there are nearly a million people in this population, it suggests a fully funded, larger-scale feasibility study of this theoretical randomised control trial is warranted.
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126 A Student Pilot for A Feasibility Study of the Theoretical 3S Trial (SPFT3S): GP and Ethics Committee Members Questionnaire. Age Ageing 2021. [DOI: 10.1093/ageing/afab030.87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
Emerging research suggests that statin use for primary prevention in people without diabetes aged 75 and older has no benefit. This study aims to determine the feasibility of the theoretical Stop Statin Study (3S), a double-blind randomised controlled trial carried out in general practice, which would test this hypothesis. 50% of trial patients would stop taking statins for 5 years in an event driven study. The questionnaires aim to identify the attitudes of general practitioners (GPs) and ethics committee members (ECMs) regarding stopping statins for 5 years in patients aged 75 and older without diabetes or history of cardiovascular disease and their willingness to allow patients to participate in the 3S study.
Method
Questionnaires comprised of 6 questions were designed. 4 students distributed the questionnaire and it was completed by 19 GPs based at 8 practices in the North-East of England. 31 ECMs (12 expert and 19 lay) responded by email.
Results
95% of GPs who completed the survey would agree to their patients participating in the theoretical study with 47% of GPs indicating that their willingness to participate in the study is patient dependent. 95% of GPs would also consider stopping statins in this population group if sufficient research had been carried out or if the guidelines were changed. 42% of GPs have a negative attitude to prescribing statins in this population group. All the ECMs would approve the study, citing over-prescribing and polypharmacy as their reason.
Conclusions
The majority of GPs will participate in the theoretical 3S study, if their patients are willing to participate. There is already a negative perception amongst GPs towards the use of statins in elderly people without disease. The 3S study appears to be feasible from the GP and ethics perspective but would require a larger feasibility study.
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Water Sensitive Cities Index: A diagnostic tool to assess water sensitivity and guide management actions. WATER RESEARCH 2020; 186:116411. [PMID: 32949887 PMCID: PMC7480447 DOI: 10.1016/j.watres.2020.116411] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Cities are wrestling with the practical challenges of transitioning urban water services to become water sensitive; capable of enhancing liveability, sustainability, resilience and productivity in the face of climate change, rapid urbanisation, degraded ecosystems and ageing infrastructure. Indicators can be valuable for guiding actions for improvement, but there is not yet an established index that measures the full suite of attributes that constitute water sensitive performance. This paper therefore presents the Water Sensitive Cities (WSC) Index, a new benchmarking and diagnostic tool to assess the water sensitivity of a municipal or metropolitan city, set aspirational targets and inform management responses to improve water sensitive practices. Its 34 indicators are organised into seven goals: ensure good water sensitive governance, increase community capital, achieve equity of essential services, improve productivity and resource efficiency, improve ecological health, ensure quality urban spaces, and promote adaptive infrastructure. The WSC Index design is a quantitative framework based on qualitative rating descriptions and a participatory assessment methodology, enabling local contextual interpretations of the indicators while maintaining a robust universal framework for city comparison and benchmarking. The paper demonstrates its application on three illustrative cases. Rapid uptake of the WSC Index in Australia highlights its value in helping stakeholders develop collective commitment and evidence-based priorities for action to accelerate their city's water sensitive transition. Early testing in cities in Asia, the Pacific and South Africa has also showed the potential of the WSC Index internationally.
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SMA: REGISTRIES, BIOMARKERS & OUTCOME MEASURES. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Identification of a unique anti-Ro60 subset with restricted serological and molecular profiles. Clin Exp Immunol 2020; 203:13-21. [PMID: 32852779 DOI: 10.1111/cei.13508] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/06/2020] [Accepted: 08/14/2020] [Indexed: 12/30/2022] Open
Abstract
Anti-Ro60 is one of the most common and clinically important serum autoantibodies that has a number of diagnostic and predictive capabilities. Most diagnostic laboratories report this simply as a qualitative positive/negative result. The objective of this study was to examine the clinical and serological relevance of a novel subset of anti-Ro60 in patients who display low levels of anti-Ro60 (anti-Ro60low ). We retrospectively identified anti-Ro60 sera during a 12-month period at a major immunopathology diagnostic laboratory in Australia. These all were anti-Ro60-precipitin-positive on the diagnostic gold standard counter-immuno-electrophoresis (CIEP). Lineblot immunoassay was used to stratify patients into either anti-Ro60low or anti-Ro60high subsets. We compared the medical and laboratory parameters associated with each group. Enzyme-linked immunosorbent assay (ELISA) and mass spectrometry techniques were used to analyse the serological and molecular basis behind the two subsets. Anti-Ro60low patients displayed less serological activity than anti-Ro60high patients with less intermolecular spreading, hypergammaglobulinaemia and less tendency to undergo anti-Ro60 isotype-switching than anti-Ro60high patients. Mass spectrometric typing of the anti-Ro60low subset showed restricted variable heavy chain subfamily usage and amino acid point mutations. This subset also displayed clinical relevance, being present in a number of patients with systemic autoimmune rheumatic diseases (SARD). We identify a novel anti-Ro60low patient subset that is distinct from anti-Ro60high patients serologically and molecularly. It is not clear whether they arise from common or separate origins; however, they probably have different developmental pathways to account for the stark difference in immunological maturity. We hence demonstrate significance to anti-Ro60low and justify accurate detection in the diagnostic laboratory.
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Business Plan to Create a Registered Dietitian Nutritionist Food Pantry Manager Position at a Large Urban University. J Acad Nutr Diet 2020. [DOI: 10.1016/j.jand.2020.06.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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1080MO The value of local therapy in treatment of solitary melanoma progression upon immune checkpoint inhibition. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Water Sensitive Cities Index: A diagnostic tool to assess water sensitivity and guide management actions. WATER RESEARCH X 2020:100063. [PMID: 32875284 PMCID: PMC7451097 DOI: 10.1016/j.wroa.2020.100063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/23/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
Cities are wrestling with the practical challenges of transitioning urban water services to become water sensitive; capable of enhancing liveability, sustainability, resilience and productivity in the face of climate change, rapid urbanisation, degraded ecosystems and ageing infrastructure. Indicators can be valuable for guiding actions for improvement, but there is not yet an established index that measures the full suite of attributes that constitute water sensitive performance. This paper therefore presents the Water Sensitive Cities (WSC) Index, a new benchmarking and diagnostic tool to assess the water sensitivity of a municipal or metropolitan city, set aspirational targets and inform management responses to improve water sensitive practices. Its 34 indicators are organised into seven goals: ensure good water sensitive governance, increase community capital, achieve equity of essential services, improve productivity and resource efficiency, improve ecological health, ensure quality urban spaces, and promote adaptive infrastructure. The WSC Index design as a quantitative framework based on qualitative rating descriptions and a participatory assessment methodology enables local contextual interpretations of the indicators, while maintaining a robust universal framework for city comparison and benchmarking. The paper demonstrates its application on three illustrative cases. Rapid uptake of the WSC Index in Australia highlights its value in helping stakeholders develop collective commitment and evidence-based priorities for action to accelerate their city's water sensitive transition. Early testing in cities in Asia and the Pacific has also showed the potential of the WSC Index internationally.
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MRI index lesions in the cancerous prostate: How do they differ from false positive phenotypes? Lessons from the PROMIS study. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33748-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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063 Flibanserin: Enhanced Pharmacovigilance Study to Assess and Analyze the Risks of Adverse Events of Special Interest. J Sex Med 2020. [DOI: 10.1016/j.jsxm.2020.04.299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Which prostate cancers are overlooked by mpMRI? An analysis from PROMIS. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)32877-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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ePS5.09 CLInical Monitoring and Biomarkers to stratify severity and predict outcomes in children with cystic fibrosis (CLIMB-CF): usability results from our feasibility study. J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30328-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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WS02.4 Developing an enhanced transition pathway for young people with additional needs at the Manchester Adult Cystic Fibrosis Centre (MACFC). J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30174-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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192 Flibanserin: Enhanced Pharmacovigilance Study to Assess and Analyze the Risks of Adverse Events of Special Interest. J Sex Med 2020. [DOI: 10.1016/j.jsxm.2019.11.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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A multicentre, prospective, observational cohort study of variation in practice in perioperative analgesia strategies in elective laparoscopic colorectal surgery (the LapCoGesic study). Ann R Coll Surg Engl 2020; 102:28-35. [PMID: 31232611 PMCID: PMC6937613 DOI: 10.1308/rcsann.2019.0091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/27/2019] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION Enhanced recovery programmes are established as an essential part of laparoscopic colorectal surgery. Optimal pain management is central to the success of an enhanced recovery programme and is acknowledged to be an important patient reported outcome measure. A variety of analgesia strategies are employed in elective laparoscopic colorectal surgery ranging from patient-controlled analgesia to local anaesthetic wound infiltration catheters. However, there is little evidence regarding the optimal analgesia strategy in this cohort of patients. The LapCoGesic study aimed to explore differences in analgesia strategies employed for patients undergoing elective laparoscopic colorectal surgery and to assess whether this variation in practice has an impact on patient-reported and clinical outcomes. MATERIALS AND METHODS A prospective, multicentre, observational cohort study of consecutive patients undergoing elective laparoscopic colorectal resection was undertaken over a two-month period. The primary outcome measure was postoperative pain scores at 24 hours. Data analysis was conducted using SPSS version 22. RESULTS A total of 103 patients undergoing elective laparoscopic colorectal surgery were included in the study. Thoracic epidural was used in 4 (3.9%) patients, spinal diamorphine in 56 (54.4%) patients and patient-controlled analgesia in 77 (74.8%) patients. The use of thoracic epidural and spinal diamorphine were associated with lower pain scores on day 1 postoperatively (P < 0.05). The use of patient-controlled analgesia was associated with significantly higher postoperative pain scores and pain severity. DISCUSSION Postoperative pain is managed in a variable manner in patients undergoing elective colorectal surgery, which has an impact on patient reported outcomes of pain scores and pain severity.
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P614Comparison of echo parameters with cardiac MRI in the assessment of right ventricular function. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Systolic right ventricular (RV) function has prognostic significance both in acquired and congenital heart diseases. However accurate assessment of RV ejection fraction (EF) with transthoracic echocardiography (TTE) remains challenging due to the complex geometric shape of the RV. Magnetic resonance imaging (MRI) remains the gold standard modality for assessment of RV function; however the cost and availability limits the regular use of MRI in clinical practice. The RV strain measured by speckle tracking (RVS) is a novel method of assessing RV EF.
Purpose
The purpose of the study was to assess the accuracy of RVS compared RV fractional area change (FAC%), tricuspid annular peak systolic excursion (TAPSE) and Doppler tissue imaging-derived isovolumic acceleration and peak systolic velocity (S') at the lateral tricuspid annulus in the assessment of impaired RV EF.
Methods
We retrospectively identified patients who had a cardiac MRI between 2012- 2017 and only included patients with a TTE within 1 month of the MRI for our final analysis. Baseline characteristics, TTE and MRI parameters were extracted from chart review. RV strain was measured retrospectively using ECHOINSIGHT software. Four TTE parameters including RVS, TAPSE, S' and FAC% were tested for accuracy to identify impaired RV EF (defined as EF<45%) using receiver operator curves.
Results
The study cohort included 500 patients with mean age 55 yr ± 18 and right ventricular systolic pressure 33.7±13.6 mmHg. The proportion of female gender, diabetes, hypertension and obstructive sleep apnea were 38%, 15.6%, 43% & 19.8% respectively. The area under ROC for TAPSE, S', FAC% and RVS were 0.58 (95% confidence interval [CI] 0.51–0.65, p=0.03), 0.59 (95% CI 0.52–0.66, p=0.03), 0.67 (95% CI 0.61–0.73, p=0.03) and 0.70 (0.64–0.76, p=0.03) for assessing RV EF <45%.
Conclusion
Right ventricular strain most accurately detected impaired right ventricular ejection fraction as obtained by MRI.
Acknowledgement/Funding
None
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Systemic therapy in second-line metastatic triple negative breast cancer (mTNBC): A systematic literature review (SLR) and meta-analysis (MA) of efficacy. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz242.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Process Evaluation of the Healthy Campus Environmental Audits. J Acad Nutr Diet 2019. [DOI: 10.1016/j.jand.2019.06.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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The toxicity of organic fractions from aged oil sands process-affected water to aquatic species. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 669:702-710. [PMID: 30893625 DOI: 10.1016/j.scitotenv.2019.03.107] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 03/07/2019] [Accepted: 03/07/2019] [Indexed: 06/09/2023]
Abstract
The process of surface mining and extracting bitumen from oil sand produces large quantities of tailings and oil sands process-affected water (OSPW). The industry is currently storing OSPW on-site while investigating strategies for their detoxification. One such strategy relies on the biodegradation of organic compounds by indigenous microbes, resulting in aged tailings waters with reduced toxicity. This study assessed the toxicity of OSPW aged statically for approximately 18 years. Dissolved organics in aged OSPW were fractionated using a preparative solid-phase extraction method that generated three organic fractions (F1-F3) of increasing polarity. Eight aquatic species from different trophic levels were exposed to whole OSPW (WW) and the derived OSPW organic fractions to assess toxicity: Pimephales promelas, Oryzias latipes, Vibrio fischeri, Daphnia magna, Lampsilis cardium, Hyalella azteca, Ceriodaphnia dubia, and Hexagenia spp. Broad comparisons revealed that P. promelas and H. azteca were most sensitive to dissolved organics within aged OSPW, while WW was most toxic to L. cardium and H. azteca. Three cases of possible contaminant interactions occurred within whole OSPW treatments, as toxicity was higher than organic fractions for H. azteca and L. cardium, and lower for P. promelas. As such, the drivers of toxicity appeared to be dependent on the species exposed. Of the organic fractions assessed, F3 (most polar) was the most toxic overall while F2 (intermediate polarity) displayed little toxicity to all species evaluated. This presents strong evidence that classical mono-carboxylic naphthenic acids, mostly present in F1 (least polar), are not primarily responsible for the toxicity in aged tailings. The current study indicates that although the aged tailings source (≥18 years) did not display acute toxicity to the majority of organisms assessed, inorganic components and polyoxygenated organics may pose a persistent concern to some aquatic organisms.
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P411 An audit of patients with cystic fibrosis and additional needs, and of reasonable adjustments to care provision at the Manchester Adult Cystic Fibrosis Centre (MACFC). J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30703-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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FINAL DATA FROM THE PHASE 3 ALCANZA STUDY: BRENTUXIMAB VEDOTIN (BV) VS PHYSICIAN'S CHOICE (PC) IN PATIENTS (PTS) WITH CD30-POSITIVE (CD30+) CUTANEOUS T-CELL LYMPHOMA (CTCL). Hematol Oncol 2019. [DOI: 10.1002/hon.96_2630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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P152Assessing myocardial perfusion in heart failure - are we achieving adequate stress? Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez117.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Impact of Pre-Procedural Blood Pressure on Long-Term Outcomes Following Percutaneous Coronary Intervention. J Am Coll Cardiol 2019; 73:2846-2855. [DOI: 10.1016/j.jacc.2019.03.493] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/06/2019] [Accepted: 03/07/2019] [Indexed: 11/28/2022]
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