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Ruterbories D, Ahmad Dar Z, Akbar F, Ascencio M, Bashyal A, Bercellie A, Betancourt M, Bodek A, Bonilla J, Bravar A, Budd H, Caceres G, Cai T, Carneiro M, Díaz G, da Motta H, Felix J, Fields L, Filkins A, Fine R, Gago A, Gallagher H, Ghosh A, Gran R, Harris D, Henry S, Jena D, Jena S, Kleykamp J, Kordosky M, Last D, Le T, Lozano A, Lu XG, Maher E, Manly S, Mann W, Mauger C, McFarland K, McGowan A, Messerly B, Miller J, Morfín J, Naples D, Nelson J, Nguyen C, Norrick A, Olivier A, Paolone V, Perdue G, Plows KJ, Ramírez M, Ray H, Schellman H, Solano Salinas C, Su H, Sultana M, Syrotenko V, Valencia E, Vaughan N, Waldron A, Yaeggy B, Yang K, Zazueta L. Constraining the NuMI neutrino flux using inverse muon decay reactions in MINERvA. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.104.092010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Fadel R, Makki T, Dagher C, Malette KM, Demertzis Z, Ahluwalia G, Sallam O, Miller J, Russell C. Compression wraps as adjuvant therapy in the management of acute systolic heart failure: a pilot clinical trial. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1055] [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: 11/14/2022] Open
Abstract
Abstract
Background/Introduction
Current guidelines recommend targeting overall decongestion in management of patients with decompensated heart failure. With lower extremity edema among the most prevalent symptoms in patients admitted with decompensation, this often serves as a clinical target. Lower extremity compression wraps (LECW) are seldom used in the acute setting, with little data on efficacy in heart failure, despite serving as a cornerstone of chronic lymphedema management.
Purpose
Evaluate the efficacy of LECW as adjuvant therapy in management of HF with reduced ejection fraction (EF).
Methods
Open-label, randomized, parallel group controlled trial, with 2:1 randomization of adult patients with a history of HF and reduced EF less than 40% admitted to telemetry unit for intravenous (IV) diuretic therapy.
Results
A total of 32 patients were enrolled, with 29 patients completing the study; 19 (66%) in the control arm, and 10 (34%) in the intervention arm. There were no significant differences in baseline characteristics of the two groups. Patients in the intervention arm required less escalation of diuretic therapy (0 vs 5 patients, p=0.079), and less frequent use of continuous infusion therapy (0 vs 7 patients, p=0.027). Total days of IV diuresis was not significantly different between the two groups. Greater net reduction of edema was seen in the intervention group (1.5+ [1–2] vs 1+ [1–2], p=0.072), with fewer cases of acute kidney injury (1 vs 13, p=0.005). The intervention group scored significantly better on MLWHF (55.5 vs 65, p=0.021), including both the physical (17.5 vs 23, p<0.001) and emotional (5.5 vs 11, p<0.001) dimension scores. Overall LOS was shorter in the intervention group (3.5 [3–7] vs 6 [5–10] days, p=0.05). A Poisson regression model was used to examine the effect of intervention on LOS (IRR=0.62, 95% CI 0.44–0.86, p=0.005), suggesting an overall 38% shorter LOS.
Conclusion
In this open-label parallel group RCT, use of LECW resulted in less IV diuretic continuous infusion therapy, greater net reduction in lower extremity edema, reduced patient assessed HF burden, and shorter hospital LOS, with fewer rates of AKI. Trends toward fewer total days of IV diuresis, less escalation of diuresis, and greater reduction in edema were also observed. Larger scale clinical trials are needed to further establish LECW as efficacious adjuvant therapy in the management of acute heart failure.
Funding Acknowledgement
Type of funding sources: None.
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Burrage M, Hundertmark M, Valkovic L, Watson W, Rayner J, Sabharwal N, Ferreira V, Neubauer S, Miller J, Lewis A, Rider O. Impaired myocardial energetics limits cardiac functional reserve and leads to exercise-induced pulmonary congestion in heart failure with preserved ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0734] [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: 11/12/2022] Open
Abstract
Abstract
Background
Abnormal cardiac mitochondrial function and energetics may be a unifying feature in the pathogenesis of heart failure with preserved ejection fraction (HFpEF). Transient pulmonary congestion during exercise is emerging as an important determinant of reduced exercise capacity and symptoms in patients with HFpEF.
Purpose
We sought to determine if impaired myocardial energetics limits cardiac exercise reserve and leads to exercise-induced pulmonary congestion in HFpEF.
Methods
42 patients across the spectrum of diastolic dysfunction and HFpEF (controls n=10; type 2 diabetes (T2DM) n=9; HFpEF n=14; severe diastolic dysfunction due to cardiac amyloid n=9) (Fig. 1a) underwent assessment of cardiac energetics (myocardial phosphocreatine to adenosine triphosphate ratio, PCr/ATP) and function using cardiovascular magnetic resonance (CMR) imaging and echocardiography, and lung-water using a novel pulmonary proton-density MR sequence. Studies were performed at rest and during exercise (20W for 6 minutes) using a CMR-ergometer.
Results
Paralleling the stepwise decline in diastolic function across the groups (E/e' ratio, p<0.0001) was an increase in NT-pro BNP (p<0.0001, Fig. 1b) and reduction in PCr/ATP (control 2.00 [1.86,2.15], T2DM 1.71 [1.61,1.91], HFpEF 1.66 [1.44,1.89], amyloid 1.30 [1.16,1.53], p<0.0001, Fig. 1c). During exercise, there was progressive blunting of left ventricular (LV) diastolic filling (p<0.0001) (Fig. 2a-b), left atrial (LA) dilatation (p<0.0001), failure of RVEF augmentation (p=0.003), RV-PA uncoupling (RV stroke volume to end-systolic volume (SV/ESV) ratio, p=0.0002), and right atrial (RA) dilatation (p<0.0001) across the groups (Fig. 2b). LV diastolic filling (r 0.41, p=0.008), LA dilatation (r −0.35, p=0.03), RVEF augmentation (r 0.46, p=0.003), RV-PA uncoupling (r 0.36, p=0.02), and RA dilatation (r −0.68, p<0.001) during exercise were strongly linked with impaired myocardial energetics (Fig. 2b).
The novel pulmonary proton-density sequence provided images that scaled linearly with water content (validated using a water-doped sponge phantom; r 0.98, p<0.0001), and revealed a progressive increase in lung water signal/pulmonary congestion (Fig. 2c) post-exercise (p<0.0001) across the groups (controls: +0.25% [−1.8, 3.1], p=0.82; T2DM: +0.8% [−1.7, 1.9], p=0.82; HFpEF: +4.4% [0.5, 6.4], p=0.002; amyloid: +6.4% [3.3, 10.0], p=0.004). Pulmonary congestion was associated with impaired LV diastolic filling (r −0.32, p=0.04), RV-PA uncoupling (r −0.39, p=0.01) and RA dilatation (r 0.4, p=0.01) during exercise, and impaired myocardial energetics (r −0.36, p=0.02).
Conclusion
A gradient of myocardial energetic deficit exists across the spectrum of HFpEF. This energetic deficit is related to markedly abnormal cardiac exercise responses, which leads to transient pulmonary congestion. The findings support an energetic basis for impaired cardiac reserve and exercise-induced pulmonary congestion in HFpEF.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): British Heart Foundation Baseline clinical and CMR parametersExercise cardiopulmonary parameters
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Etu EE, Monplaisir L, Aguwa C, Arslanturk S, Masoud S, Krupp S, Shih D, Miller J. 33 Forecasting Daily Patient Arrivals during COVID-19 in Emergency Departments: A Deep Learning Approach. Ann Emerg Med 2021. [PMCID: PMC8536267 DOI: 10.1016/j.annemergmed.2021.09.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022]
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Emakhu J, Monplaisir L, Aguwa C, Arslanturk S, Masoud S, Hamam M, Nassereddine H, Jourdan D, Miller J. 203 An Ensemble Learning Approach to Predict Non-ST-Segment Elevation Myocardial Infarction in Patients With Clinical Concerns for Acute Coronary Syndrome. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.215] [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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Hagerman T, Mumby K, Brar I, Rammal JA, Miller J, Markowitz N, Manteuffel J. 289 Connecting Patients Diagnosed With HIV in the Emergency Department to Care During the COVID-19 Pandemic. Ann Emerg Med 2021. [PMCID: PMC8536283 DOI: 10.1016/j.annemergmed.2021.09.302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Beyer M, Littman H, Stokes-Buzzelli S, Miller J, Otero R, Klausner H. 29 Comparison of Risk Factors and Outcomes for Blunt Trauma Patients on Anticoagulants or Antiplatelet Agents Evaluated in Urban and Suburban Settings. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.037] [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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Yee LM, McGee P, Bailit JL, Wapner RJ, Varner MW, Thorp JM, Caritis SN, Prasad M, Tita AT, Saade GR, Sorokin Y, Rouse DJ, Blackwell SC, Tolosa JE, Mallett G, Grobman W, Ramos-Brinson M, Roy A, Stein L, Campbell P, Collins C, Jackson N, Dinsmoor M, Senka J, Paychek K, Peaceman A, Talucci M, Zylfijaj M, Reid Z, Leed R, Benson J, Forester S, Kitto C, Davis S, Falk M, Perez C, Hill K, Sowles A, Postma J, Alexander S, Andersen G, Scott V, Morby V, Jolley K, Miller J, Berg B, Dorman K, Mitchell J, Kaluta E, Clark K, Spicer K, Timlin S, Wilson K, Moseley L, Leveno K, Santillan M, Price J, Buentipo K, Bludau V, Thomas T, Fay L, Melton C, Kingsbery J, Benezue R, Simhan H, Bickus M, Fischer D, Kamon T, DeAngelis D, Mercer B, Milluzzi C, Dalton W, Dotson T, McDonald P, Brezine C, McGrail A, Latimer C, Guzzo L, Johnson F, Gerwig L, Fyffe S, Loux D, Frantz S, Cline D, Wylie S, Iams J, Wallace M, Northen A, Grant J, Colquitt C, Rouse D, Andrews W, Moss J, Salazar A, Acosta A, Hankins G, Hauff N, Palmer L, Lockhart P, Driscoll D, Wynn L, Sudz C, Dengate D, Girard C, Field S, Breault P, Smith F, Annunziata N, Allard D, Silva J, Gamage M, Hunt J, Tillinghast J, Corcoran N, Jimenez M, Ortiz F, Givens P, Rech B, Moran C, Hutchinson M, Spears Z, Carreno C, Heaps B, Zamora G, Seguin J, Rincon M, Snyder J, Farrar C, Lairson E, Bonino C, Smith W, Beach K, Van Dyke S, Butcher S, Thom E, Rice M, Zhao Y, Momirova V, Palugod R, Reamer B, Larsen M, Spong C, Tolivaisa S, VanDorsten J. Differences in obstetrical care and outcomes associated with the proportion of the obstetrician's shift completed. Am J Obstet Gynecol 2021; 225:430.e1-430.e11. [PMID: 33812810 DOI: 10.1016/j.ajog.2021.03.033] [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: 01/09/2021] [Revised: 03/14/2021] [Accepted: 03/26/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Understanding and improving obstetrical quality and safety is an important goal of professional societies, and many interventions such as checklists, safety bundles, educational interventions, or other culture changes have been implemented to improve the quality of care provided to obstetrical patients. Although many factors contribute to delivery decisions, a reduced workload has addressed how provider issues such as fatigue or behaviors surrounding impending shift changes may influence the delivery mode and outcomes. OBJECTIVE The objective was to assess whether intrapartum obstetrical interventions and adverse outcomes differ based on the temporal proximity of the delivery to the attending's shift change. STUDY DESIGN This was a secondary analysis from a multicenter obstetrical cohort in which all patients with cephalic, singleton gestations who attempted vaginal birth were eligible for inclusion. The primary exposure used to quantify the relationship between the proximity of the provider to their shift change and a delivery intervention was the ratio of time from the most recent attending shift change to vaginal delivery or decision for cesarean delivery to the total length of the shift. Ratios were used to represent the proportion of time completed in the shift by normalizing for varying shift lengths. A sensitivity analysis restricted to patients who were delivered by physicians working 12-hour shifts was performed. Outcomes chosen included cesarean delivery, episiotomy, third- or fourth-degree perineal laceration, 5-minute Apgar score of <4, and neonatal intensive care unit admission. Chi-squared tests were used to evaluate outcomes based on the proportion of the attending's shift completed. Adjusted and unadjusted logistic models fitting a cubic spline (when indicated) were used to determine whether the frequency of outcomes throughout the shift occurred in a statistically significant, nonlinear pattern RESULTS: Of the 82,851 patients eligible for inclusion, 47,262 (57%) had ratio data available and constituted the analyzable sample. Deliveries were evenly distributed throughout shifts, with 50.6% taking place in the first half of shifts. There were no statistically significant differences in the frequency of cesarean delivery, episiotomy, third- or fourth-degree perineal lacerations, or 5-minute Apgar scores of <4 based on the proportion of the shift completed. The findings were unchanged when evaluated with a cubic spline in unadjusted and adjusted logistic models. Sensitivity analyses performed on the 22.2% of patients who were delivered by a physician completing a 12-hour shift showed similar findings. There was a small increase in the frequency of neonatal intensive care unit admissions with a greater proportion of the shift completed (adjusted P=.009), but the findings did not persist in the sensitivity analysis. CONCLUSION Clinically significant differences in obstetrical interventions and outcomes do not seem to exist based on the temporal proximity to the attending physician's shift change. Future work should attempt to directly study unit culture and provider fatigue to further investigate opportunities to improve obstetrical quality of care, and additional studies are needed to corroborate these findings in community settings.
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Miller J, Lumley-Holmes J. EP12 Using electronic patient record (EPR) routine data to inform decisions about which ambulance stations should participate in randomised controlled trials. Arch Emerg Med 2021. [DOI: 10.1136/emermed-2021-999.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundTimely recruitment of patients to randomised controlled trials (RCTs) is vital to delivering high-quality, cost-effective research, but RCTs often fail to meet recruitment targets, or meet them more slowly than planned. Ambulance services using electronic patient records (EPR) may be able to use this data to better inform decisions about which sites should participate in future RCTs.MethodsWe used off-the-shelf business intelligence software to examine electronic patient records for all emergency and urgent cases within one English ambulance service for the 287 days 1st January 2020 to 13th October 2020. We adapted inclusion criteria from an upcoming RCT and applied it to this dataset: patient age; trauma mechanism; IV morphine administered. These potentially eligible cases were then displayed by ambulance station, an approximate daily rate per station calculated, and this rate applied to the RCT recruitment period of 304 days. This gave a potentially eligible patient population per station. Finally, we applied a patient conversion rate of 20% to estimate how many participants would be recruited from each station, basing this on recent experience of recruitment to another RCT. The RCT target is 111 patients per station.Results783186 records were reviewed, with 7667 of them potentially eligible for the study. When applied to the proposed study period, there is a potential population of 8121 across the 14 stations. Estimated recruitment per station varied (median 100, range 60-209) and with a 20% conversion rate, 9/14 stations would under-recruit.ConclusionsUsing retrospective data from electronic patient records could be a simple, low-cost way to optimise patient recruitment. Other study criteria could be applied easily, as well as differing conversion rates. We identified ambulance stations where patient recruitment would not be likely to reach study targets, helping inform our decisions around stations as potential study settings.
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Miller J. PP26 Stepping up: interviews with student paramedics and lecturers about a scheme to increase workforce capacity within an English ambulance service during the first wave of the COVID-19 pandemic. Arch Emerg Med 2021. [DOI: 10.1136/emermed-2021-999.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundDuring the UK’s first wave of the COVID-19 pandemic in early 2020, ambulance services acted to increase capacity rapidly. One English ambulance service recruited existing supernumerary student paramedics into a new, paid, hybrid role, working as one half of a double-crewed ambulance team.MethodsTen student paramedics and two university lecturers were interviewed remotely in one-to-one sessions with a single interviewer. Students participated from 3 of 4 partner universities, and lecturers from 2 of the 4. Their responses were transcribed and coded into a framework of the four processes of organisational entry: analysis, recruitment, selection, and induction.ResultsThe participants described barriers and facilitators to the success of the scheme in all four processes. Analysis: job descriptions and working conditions were not always clear to interviewees. Recruitment: some students described feeling under pressure to take part. Lecturers criticised communications, particularly around some of their student paramedics who had withdrawn from study. Selection: students were critical of some aspects of physical assessment being omitted for this new role, but later reinstated for subsequent paramedic recruitment events. Induction: most students praised the initial training and their induction onto ambulance stations, but many felt they should have been given driver training. Lecturers raised concerns that students at risk of failing in placement may not be supported adequately in this new role. Almost all participants praised the scheme’s intentions and overall delivery, and some suggested a similar role bears consideration for future business-as-usual university placements.ConclusionsParticipants were broadly positive about this scheme, with some suggesting that elements of this hybrid role could feature in a post-pandemic student paramedic programme. Limitations include recall bias and response bias, particularly in that students who declined to take part in the scheme also declined to take part in this interview study.
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Oh OJ, Lee KS, Miller J, Hammash M, Thompson DR, Ski CF, Cameron J, Moser DK. Patient experiences of shared decision-making are associated with implantable cardioverter defibrillator recipients" openness to discuss device deactivation at end-of-life. Eur J Cardiovasc Nurs 2021. [DOI: 10.1093/eurjcn/zvab060.097] [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]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Public Institution(s). Main funding source(s): In Australia, this study received funding from a faculty grand by Australian University Faculty of Health Sciences Research grant. In the United States, the study was funded by a research professor award from University of Kentucky.
Background. Shared decision-making is important for ICD recipients to fully contemplate and rationally decide about ICD deactivation at end-of-life. Although discussions about device deactivation at end-of-life are recommended to be held before ICD implantation and throughout the illness trajectory, such discussions rarely occur in clinical practice.
Purpose. To identify whether ICD recipients’ experiences of end-of-life discussions with clinicians are associated with openness to discussing ICD deactivation at end-of-life.
Methods. This cross-sectional study included 293 ICD recipients living in the United States, Australia, and South Korea (mean age 59, 22.5% female, mean ICD implantation 10 years). Hierarchical logistic regression was used to determine whether patients’ experiences of shared decision-making were associated with openness to discuss device deactivation at end-of-life after controlling for relevant covariates (i.e. age, gender, ICD implantation years, ICD shock experience, general ICD experience, ICD knowledge, and concerns related to the ICD).
Results. About half of the participants (57.7%) were open to discussing ICD deactivation at end-of-life with clinicians. Almost one-quarter (23.5%) had no prior experience of discussing any end-of-life issues with clinicians. Patients’ past experiences of end-of-life discussions with clinicians were significantly associated with openness to discuss device deactivation at end-of-life (OR: 1.30) after adjusting for covariates.
Conclusion. Our results highlight that clinicians’ willingness to discuss sensitive end-of-life issues such as battery replacement and deactivation of defibrillation therapy empowers patients to actively engage in end-of-life discussions.
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Miller J, Williams L, Alhurani A, Saleh Z, Bailey A, Connell A, Hammash M, Chung M, Moser D. Race matters: cardiovascular disease risk in male US prisoners. Eur J Cardiovasc Nurs 2021. [DOI: 10.1093/eurjcn/zvab060.060] [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]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): NIH/National Institute of Nursing Research, 1RC2NR011948
Introduction
Approximately 10% of the 2.2 million prisoners in the US have a diagnosis of cardiovascular disease (CVD) and in 2016, 28% of all deaths in custody were attributable to CVD. Black race, inadequate health literacy, and poor perceived control are predictors of increased cardiovascular disease (CVD) risk, which are prevalent in prisoners. However, little is known about the relationships among race, health literacy, and perceived control in CVD risk for male prisoners.
Objective
The purpose of this study was to explore the relationships among race, health literacy, perceived control, and CVD risk while controlling for well-known risk factors (education, partner status, and body mass index) in male prisoners.
Methods
We used baseline data from 349 male prisoners in a biobehavioral CVD risk reduction intervention. Health literacy was measured using the Newest Vital Sign and perceived control by the Control Attitudes Scale- Revised. CVD risk was quantified with the Framingham Risk Score (FRS). Three indirect effects of race on CVD risk were examined using serial mediation model with two sequential mediators (i.e., health literacy and perceived control) and 95% confidence intervals from 5000 bootstrap samples.
Results
Of the participants (mean age = 36 + 10 years), 64.2% were white and 35.8% were black. Mean education level was 12 years and most (85.8%) were not married or partnered. Mean BMI was 28.3 + 5.0. Mean FRS was 6.63 + 4.90, indicating risk percentages of 2.3 to 13.3% over the next ten years. Black prisoners were younger (35 + 9 versus 37 + 10, p = .047) and had lower levels of health literacy (3.84 + 1.90 versus 4.69 + 1.63, p < .001) than white prisoners. No statistically significant differences in perceived control, education, partner status, or body mass index were noted between races. All three indirect effects of race on CVD were significant while the direct effect of race was not. Compared to white prisoners, black prisoners had higher levels of CVD risk through health literacy (a1b1 = .3571, 95% CI [.0948, .7162]) and lower levels of CVD risk through perceived control (a2b2 = -.1855, 95% CI [-.4388, -.0077]). Black prisoners had higher levels of CVD risk through health literacy influenced by perceived control (a1b2d21 = .0627, 95% CI [.0028, .1409]) indicating that despite the protective effect of higher levels of perceived control in black prisoners, CVD risk remained higher compared to their white counterparts.
Conclusion
Future CVD risk reduction interventions in prisoners of all races, but specifically black male prisoners, should include goals of improving health literacy and perceived control in addition to the traditional modifiable risk factors often included in biobehavioral interventions.
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Hresko MT, Wynne J, Houle L, Miller J. Bracing for infantile scoliosis: no sedation needed. Stud Health Technol Inform 2021; 280:184-186. [PMID: 34190084 DOI: 10.3233/shti210463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Mehta casting technique applied under anesthesia is standard treatment for infantile scoliosis (IIS). However, concern has been raised about frequent anesthesia in children less than three years. The development of a customized thoracolumbar sacral orthosis (TLSO) could avoid the risks of Mehta casting. To develop a bracing technique for IIS that achieves patient compliance and scoliosis correction. Nine patients with ISS were offered a custom TLSO as an alternative to Mehta casting. One patient declined due to an insurance issue. No anesthesia was required for measurement or fitting of the TLSO. A temperature sensitive monitor recorded wear time. Brace success was determined by radiographic correction and adherence to prescription of greater than 18 hours per day. Eight patients had brace treatment with mean(range): age 19(12-44) months, curve magnitude 34° (22-44°), rib vertebral angle of greater than 20° with follow-up 17(3-28) months. In brace correction was less than 15 degrees in 6 of 8 patients. Compliance monitor recorded wear: 4 patients ≥ 18 hours, 2 patients 16-18 hours, 1 had 14 hours, and 1 monitor malfunctioned and could not be read. Brace design evolved to maximize ipsilateral abdominal relief away from the lateral apical shift of the design. Foam lining was added to prevent skin irritation through the relief opening. Average number of braces per year =2.2. A customized TLSO can achieve in brace correction comparable to Mehta casting with acceptable compliance and without the need for general anesthesia, while allowing bathing and skin care.
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Schnitzler MA, Miller J, Skeans MA, Axelrod DA, Lentine KL, Randall HB, Snyder JJ, Israni AK, Kasiske BL. OPTN/SRTR 2019 Annual Data Report: Econ. Am J Transplant 2021. [DOI: 10.1111/ajt.16727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Davis K, Tan L, Miller J, Israel M. Seeking Approval: International Higher Education Students' Experiences of Applying for Human Research Ethics Clearance in Australia. JOURNAL OF ACADEMIC ETHICS 2021; 20:421-436. [PMID: 34131418 PMCID: PMC8193590 DOI: 10.1007/s10805-021-09425-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2021] [Indexed: 11/24/2022]
Abstract
University human research ethics application procedures can be complicated and daunting, especially for international students unfamiliar with the process and the language. We conducted focus groups and interviews with four research higher degree and 21 Master’s coursework international students at an Australian university to gain their views on the human ethics application process. We found the most important influences on their experience were: the time it took to do an application; support from supervisors, peers and others; their own language skills; and their lack of familiarity with research ethics procedures. To improve the experience of international students undertaking research involving human research ethics applications, we recommend universities provide guidance on institutional ethics review processes, concepts and terminology, with translations in a range of languages, together with guidance on how to conduct research ethically within and outside the students’ own countries. We also recommend curricula be developed to further students’ understanding of the importance of ethical research practice, and that these curricula be embedded in undergraduate and postgraduate degree programs and reflected in course learning outcomes.
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Miller J, Young S, Bryan E, Ringler C. Household Water Insecurity Is Common and Associated With Higher Odds of Hunger and Lower Dietary Diversity Across Sub-Saharan Africa and Asia. Curr Dev Nutr 2021. [PMCID: PMC8195080 DOI: 10.1093/cdn/nzab045_050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Objectives Household water insecurity may exacerbate poor nutrition (e.g., via limited water to produce or prepare preferred foods) and health, but comparable quantification of water access and use has only recently become possible. We therefore aimed to assess the prevalence of household water insecurity and estimate its association with dietary diversity, hunger, and illness. Methods The International Food Policy Research Institute is conducting panel phone surveys among a random subsample of men and women in ongoing studies to understand the impacts of the COVID-19 pandemic. Surveys last 20–30 minutes and include information about respondent and household characteristics; experiences with household water insecurity [using the Household Water Insecurity Experiences Scale-4 (HWISE-4), range: 0–12], hunger, and illness in the prior 2 weeks; and 24-hour dietary recall (range: 0–10 food groups). We assessed the relationship between water insecurity and dietary diversity, hunger, and illness using random coefficient models (which account for variation by site and adjust for measured confounders) among sites with available baseline data: Senegal (interviews conducted June 2020, n = 501), Nepal (July 2020, n = 759), Ghana (September 2020, n = 543), Nigeria (September 2020, n = 501), Kenya (October 2020, n = 547), and Niger (October 2020, n = 364). Additional data from other sites and timepoints are forthcoming. Results The prevalence of water insecurity (HWISE-4 scores > 3) ranged from 8.9% of sampled households in Nepal to 47.4% in Ghana. In bivariate analyses for each site, household water insecurity did not differ by respondent sex but was consistently lower among households that had an on-premises compared to off-premises water source [e.g., mean, 2.3 vs. 3.7, p < 0.001 in Senegal]. In adjusted models across all sites, greater water insecurity was associated with lower dietary diversity (B: –0.08; 95% CI: –0.10, –0.05), and higher odds of experiencing hunger (OR: 1.10; 95% CI: 1.08, 1.14) and having an ill household member (OR: 1.04; 95% CI: 1.01, 1.07). Conclusions Water insecurity is experienced by many households and may be an important determinant of nutritional and physical well-being. Funding Sources The Bureau for Resilience and Food Security at the United States Agency for International Development.
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Rickman R, Lane C, Collins S, Miller J, Nichols A, Foster S, Young S, Widen E. Disentangling the Role of HIV Exposure on Linear Growth Among Mother-Infant Dyads in Western Kenya: A Comparison of Three Growth Models. Curr Dev Nutr 2021. [DOI: 10.1093/cdn/nzab053_080] [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
Objectives
HIV-exposed and uninfected (HEU) infants may experience altered growth compared to HIV-unexposed and uninfected (HUU) infants. Most studies to date have used analytic techniques that do not reflect the dynamic trends in infant growth patterns. We therefore sought to evaluate growth patterns using 3 different analytic methods and examine the role of HIV on growth with each method.
Methods
Repeated measures for infant anthropometrics were taken from 6 wk to 23 mo of age in the former Nyanza region, Kenya (n = 310, 52% HEU, 50% male). We used (1) Latent Class Mixed Modeling (LCMM) to identify length-for-age z-score (LAZ) trajectory classes and then multinomial logistic regression to assess how HIV exposure status predicted trajectory class membership, adjusting for covariates (e.g., maternal height, food insecurity); (2) SuperImposition by Translation and Rotation (SITAR) to estimate length in terms of size and velocity (rate of growth) differences by maternal HIV status; and (3) longitudinal regression, the conventional method for analyzing growth, to estimate differences in length and LAZ based on HIV exposure.
Results
At 6 wks of age, HEU infants had a mean LAZ score of −1.03 ± 1.85 compared to −1.10 ± 1.83 for HUU infants. LCMM identified four LAZ trajectory classes (average 5.1 measurements/infant). Across time, class one LAZ scores remained near 1; class two declined 0 to −1; class three remained near −1; and class four fluctuated between −2 and −3. In logistic regression models, HEU infants were less likely to belong to classes one (RR = 0.3; 95% CI: 0.1,0.9) and two (RR = 0.4; 95% CI: 0.2,0.7) relative to class three. Similarly, SITAR estimated that HEU infants were on average 0.62 cm shorter than HUU infants across the study (95% CI: −1.3,0.1) but there were no differences in mean linear growth velocities. Longitudinal regression models predicted that mean stature for HEU infants was 0.8 cm (95% CI: −1.5, −0.1) shorter and that mean LAZ for HEU infants was 0.4 points (95% CI: −0.7, −0.1) lower compared to HUU infants.
Conclusions
Across the 3 methods, HEU infants were shorter than HUU infants during the first 23 mo of life. Compared to longitudinal regression, advanced modeling with LCMM and SITAR allows for a more flexible assessment of the altered growth patterns HEU infants experience.
Funding Sources
NIH.
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Iqbal K, Miller J, Lai M, Charnley M, Meraj M, Thompson B. OP0078 HIGH MEDIAN NERVE LESION SECONDARY TO SEVERE GIANT CELL ARTERITIS (GCA). Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Giant cell arteritis (GCA) is a systemic vasculitis affecting large to medium-sized vessels. Cranial nerve lesions are frequently documented secondary to GCA, however peripheral nerves are rarely involved.Objectives:We present an unusual case of a GCA-associated isolated high median nerve palsy.Methods:Case report.Results:A 76 year old white British female presented in Spain with three weeks of frontotemporal headaches, mandibular claudication, photopsia and constitutional symptoms, followed by acute-onset right hand paresis and dysaesthesia. Acute-phase reactants were elevated. COVID-19 PCR was negative. Shortly after admission she developed acute bilateral anterior ischaemic optic neuropathy and tongue necrosis with autoamputation. Temporal artery ultrasound and biopsy confirmed GCA. PET-CT showed no evidence of a diffuse large-vessel vasculitis. She was repatriated to the UK for ongoing inpatient care. Upper limb neurophysiology two months later demonstrated an isolated right high median nerve lesion, with reduced median motor responses and absent sensory responses with denervation in extensor carpi radialis. Imaging excluded a central lesion. The timing of her symptoms suggested the lesion was secondary to GCA. Treatment was with tocilizumab, methotrexate and tapering corticosteroids, alongside PEG feeding and careful multi-disciplinary rehabilitation.Conclusion:We suggest there are two important learning points from this complex case. Firstly, peripheral nerve lesions can occur in GCA, although they are rare. A literature search identified a modest number of case reports of brachial plexus or lower cervical nerve lesions1,2. Neurologic manifestations in GCA are attributed to vasculitis of the vasa nervorum, or extension of inflammation from arteries to contiguous nerves1,2. The restriction of clinical involvement to the median nerve alone would appear to favour the former mechanism. Functional recovery of neurological deficits is typically partial at best.Secondly, this case highlights the difficulty faced by clinicians in recognising GCA and the importance of urgent treatment with glucocorticoids. The patient developed GCA during the ongoing COVID-19 pandemic when Spain was the second-worst affected European country (5% seroprevalence; 95% CI 4.7-5.4)3. The partial overlap in symptoms between GCA and COVID-19 (e.g. headache, pyrexia, malaise, elevated acute-phase reactants) can cause diagnostic confusion and treatment delay4. GCA should be considered in the differential diagnosis of older patients with suspected COVID-19, or the non-specifically unwell elderly patient.References:[1]Blaise S, et al. Horton’s disease revealed by brachial C5 plexopathy [French]. Rev Med Interne. 2005;26(7):578-82.[2]Merianos P, et al. Giant cell arteritis of the median nerve simulating carpal tunnel syndrome. Hand. 1983;15(3): 249-251.[3]Pollán M, et al. Prevalence of SARS-CoV-2 in Spain (ENE-COVID): a nationwide, population-based seroepidemiological study. Lancet. 2020; 396(10250): 535-544.[4]Monti S, Delvino P, et al. Impact of delayed diagnoses at the time of COVID-19: increased rate of preventable bilateral blindness in giant cell arteritis. Ann Rheum Dis. 2020;79:1658-1659.Table 1.Area/movementResultAbductor pollicis brevisGrade 2 weaknessOpponens pollicisGrade 4 weaknessPronator teres/quadratusGrade 4 weaknessFlexor pollicis longusGrade 1-2 weaknessFlexor digitorum profundus (digit 2 and 3)Grade 1-2 weaknessFinger abductionPreservedFinger extensionPreservedOther commentsDysaesthesia in distribution of median nerveDisclosure of Interests:Kundan Iqbal: None declared, James Miller Speakers bureau: Dr Miller has participated in pharmaceutical-sponsored symposiums previously but not in last five years., Consultant of: Dr Miller has participated in pharmaceutical-sponsored consultancy previously but not in last five years., Ming Lai: None declared, Mia Charnley: None declared, Muhammad Meraj: None declared, Ben Thompson Speakers bureau: Dr Thompson has participated in educational talks for Roche, Novartis, Lilly and UCB., Consultant of: Dr Thompson has participated in advisory boards for Roche, Novartis, Lilly, Gilead, Abbvie and UCB.
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McVean J, Miller J. MiniMed TM780G Insulin pump system with smartphone connectivity for the treatment of type 1 diabetes: overview of its safety and efficacy. Expert Rev Med Devices 2021; 18:499-504. [PMID: 34014794 DOI: 10.1080/17434440.2021.1926984] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction: Despite significant advances in diabetes care over the last three decades, the majority of people living with T1D are not meeting established metabolic goals. Automated insulin delivery can help achieve these metabolic goals (HbA1c and TIR).Areas covered: This review examines the new features and available data regarding safety and efficacy of the MiniMed™ 780 G, a second-generation advanced hybrid closed-loop system. Reported outcomes include time in, above and below range, HbA1c, diabetic ketoacidosis and severe hypoglycemia.Expert opinion: The initial pivotal trials of the MiniMed™ 780 G have demonstrated promising clinical and safety outcomes. Real-world data and longer-term studies are still needed. The success of AID devices moving forward hinges on their ease of use and ability to reduce and relieve the burden of living with T1D.
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Abuown A, Ellis T, Miller J, Davidson R, Kachwala Q, Medeiros M, Mejia K, Manoraj S, Sidhu M, Whittington AM, Pattani S. COVID-19 vaccination intent among London healthcare workers. Occup Med (Lond) 2021; 71:211-214. [PMID: 34002797 PMCID: PMC8194640 DOI: 10.1093/occmed/kqab057] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Background The 10-month timeline from conception to regulatory approval of the Pfizer–BioNTech vaccine against SARS-CoV-2 is unprecedented in modern medicine. However, the climate of the pandemic has also seen anti-vaccination sentiments flourish. Aims To determine the intent to accept COVID-19 vaccination among healthcare workers at a London Hospital Trust and examine variation in uptake between demographic groups. Methods We conducted a cross-sectional survey open to staff working at the trust. Staff rated on a five-point scale the likelihood of them accepting COVID-19 vaccination. Results We received 514 responses, representing 16% of the workforce. About 59% of staff intended to seek vaccination, 24% to reject and 17% were unsure. There was significantly reduced intended uptake in females, younger age groups, healthcare assistants, nurses, staff of black ethnic backgrounds and those who rejected influenza vaccination. Safety was the dominant concern. Conclusions Our study finds COVID-19 vaccinate hesitancy is prevalent among healthcare workers at a London Hospital Trust. It is particularly concerning that hesitancy was highest amongst groups most exposed to COVID-19 and most at risk of severe disease. Reasons behind disparities in uptake must be addressed to protect staff and prevent deepening inequalities within the healthcare workforce.
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Santoni S, Garel E, Gillon M, Marc V, Miller J, Babic M, Simler R, Travi Y, Leblanc M, Huneau F. Assessing the hydrogeological resilience of a groundwater-dependent Mediterranean peatland: Impact of global change and role of water management strategies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 768:144721. [PMID: 33454491 DOI: 10.1016/j.scitotenv.2020.144721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/04/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
Mediterranean peatlands remain largely under-documented, except for detailed biological data such as fauna and flora taxa lists, and yet are increasingly threatened by water withdrawal and agriculture practices. This lack of information, particularly on their hydrogeological functioning, makes it impossible to evaluate their response to changing climate conditions. A pilot study on a representative Mediterranean peatland on the island of Corsica (France) was conducted to evaluate recharge modalities in the peatland using a coupled water-level monitoring, geochemical and isotope multi-tracing approach (electric conductivity, major ions, δ18O, δ2H, 3H, 87Sr/86Sr). The goal was to understand how water budgets in peatland ecosystems were maintained throughout the year, especially during the summer. Despite the remarkable stability of the peatland water level, the recharge contributions of varied water bodies through an alluvial aquifer vary significantly from one season to another. An end-member mixing analysis (EMMA) indicates that the peatland is mainly recharged by an alluvial aquifer. During fall-winter, the alluvial aquifer on which the peatland depends is recharged by the rainfall, a river, and shallow groundwater (colluvium). During spring-summer, water supply is provided mostly by a river, shallow, and deep groundwater (fractured granite). However, this specific hydrogeological functioning is not taken into account by environmental management policies making peatlands vulnerable to anthropogenic and climatic pressures. Thus, their actual status regarding water and aquatic environment management policies is discussed to provide recommendations for better consideration and preservation.
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Perkins GD, Ji C, Achana F, Black JJ, Charlton K, Crawford J, de Paeztron A, Deakin C, Docherty M, Finn J, Fothergill RT, Gates S, Gunson I, Han K, Hennings S, Horton J, Khan K, Lamb S, Long J, Miller J, Moore F, Nolan J, O'Shea L, Petrou S, Pocock H, Quinn T, Rees N, Regan S, Rosser A, Scomparin C, Slowther A, Lall R. Adrenaline to improve survival in out-of-hospital cardiac arrest: the PARAMEDIC2 RCT. Health Technol Assess 2021; 25:1-166. [PMID: 33861194 DOI: 10.3310/hta25250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Adrenaline has been used as a treatment for cardiac arrest for many years, despite uncertainty about its effects on long-term outcomes and concerns that it may cause worse neurological outcomes. OBJECTIVES The objectives were to evaluate the effects of adrenaline on survival and neurological outcomes, and to assess the cost-effectiveness of adrenaline use. DESIGN This was a pragmatic, randomised, allocation-concealed, placebo-controlled, parallel-group superiority trial and economic evaluation. Costs are expressed in Great British pounds and reported in 2016/17 prices. SETTING This trial was set in five NHS ambulance services in England and Wales. PARTICIPANTS Adults treated for an out-of-hospital cardiac arrest were included. Patients were ineligible if they were pregnant, if they were aged < 16 years, if the cardiac arrest had been caused by anaphylaxis or life-threatening asthma, or if adrenaline had already been given. INTERVENTIONS Participants were randomised to either adrenaline (1 mg) or placebo in a 1 : 1 allocation ratio by the opening of allocation-concealed treatment packs. MAIN OUTCOME MEASURES The primary outcome was survival to 30 days. The secondary outcomes were survival to hospital admission, survival to hospital discharge, survival at 3, 6 and 12 months, neurological outcomes and health-related quality of life through to 6 months. The economic evaluation assessed the incremental cost per quality-adjusted life-year gained from the perspective of the NHS and Personal Social Services. Participants, clinical teams and those assessing patient outcomes were masked to the treatment allocation. RESULTS From December 2014 to October 2017, 8014 participants were assigned to the adrenaline (n = 4015) or to the placebo (n = 3999) arm. At 30 days, 130 out of 4012 participants (3.2%) in the adrenaline arm and 94 out of 3995 (2.4%) in the placebo arm were alive (adjusted odds ratio for survival 1.47, 95% confidence interval 1.09 to 1.97). For secondary outcomes, survival to hospital admission was higher for those receiving adrenaline than for those receiving placebo (23.6% vs. 8.0%; adjusted odds ratio 3.83, 95% confidence interval 3.30 to 4.43). The rate of favourable neurological outcome at hospital discharge was not significantly different between the arms (2.2% vs. 1.9%; adjusted odds ratio 1.19, 95% confidence interval 0.85 to 1.68). The pattern of improved survival but no significant improvement in neurological outcomes continued through to 6 months. By 12 months, survival in the adrenaline arm was 2.7%, compared with 2.0% in the placebo arm (adjusted odds ratio 1.38, 95% confidence interval 1.00 to 1.92). An adjusted subgroup analysis did not identify significant interactions. The incremental cost-effectiveness ratio for adrenaline was estimated at £1,693,003 per quality-adjusted life-year gained over the first 6 months after the cardiac arrest event and £81,070 per quality-adjusted life-year gained over the lifetime of survivors. Additional economic analyses estimated incremental cost-effectiveness ratios for adrenaline at £982,880 per percentage point increase in overall survival and £377,232 per percentage point increase in neurological outcomes over the first 6 months after the cardiac arrest. LIMITATIONS The estimate for survival with a favourable neurological outcome is imprecise because of the small numbers of patients surviving with a good outcome. CONCLUSIONS Adrenaline improved long-term survival, but there was no evidence that it significantly improved neurological outcomes. The incremental cost-effectiveness ratio per quality-adjusted life-year exceeds the threshold of £20,000-30,000 per quality-adjusted life-year usually supported by the NHS. FUTURE WORK Further research is required to better understand patients' preferences in relation to survival and neurological outcomes after out-of-hospital cardiac arrest and to aid interpretation of the trial findings from a patient and public perspective. TRIAL REGISTRATION Current Controlled Trials ISRCTN73485024 and EudraCT 2014-000792-11. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 25, No. 25. See the NIHR Journals Library website for further project information.
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Fanelli D, Miller J, Setty R, Husain E, McNeil M. A case report of dyshidrotic bullous pemphigoid developing after partial anterior circulation ischaemic stroke. Oxf Med Case Reports 2021; 2021:omaa149. [PMID: 33732478 PMCID: PMC7947271 DOI: 10.1093/omcr/omaa149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 11/13/2022] Open
Abstract
Dyshidrotic bullous pemphigoid is a rare form of bullous pemphigoid that affects predominantly a patient's hands and feet. It has been associated in the literature with neurologic, psychiatric and cerebrovascular disorders. We present an interesting case of this rare skin condition developing in a patient following a diagnosis of partial anterior circulation stroke.
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Kandaswamy R, Stock PG, Miller J, Skeans MA, White J, Wainright J, Kyaw NTT, Niederhaus S, Israni AK, Snyder JJ. OPTN/SRTR 2019 Annual Data Report: Pancreas. Am J Transplant 2021; 21 Suppl 2:138-207. [PMID: 33595197 DOI: 10.1111/ajt.16496] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The overall number of pancreas transplants decreased slightly, from 1027 in 2018 to 1015, in 2019, up from a nadir of 947 in 2015. However, the number of simultaneous pancreas-kidney transplants (SPKs) increased in 2019, with a corresponding drop in pancreas-after-kidney transplants (PAKs) and pancreas transplants alone (PTAs). New waitlist registrations increased to 1772 in 2019, from 1606 in 2018. This was predominately driven by SPK listings, and those with type 2 diabetes. Waiting time for SPK decreased by 2 months, to a median of 12 months in 2019, but PTA recipient mean waiting time remained substantially higher, at 24 months, in 2018. Both short- and long-term outcomes, including patient survival, kidney graft survival, and acute rejection-free graft survival, have shown consistent improvement over the last decade. Pancreas graft survival data with the uniform definition of allograft failure is being collected by the Organ Procurement and Transplant Network (OPTN) and will be included in a future report.
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Fuller GW, Keating S, Goodacre S, Herbert E, Perkins GD, Rosser A, Gunson I, Miller J, Ward M, Bradburn M, Thokala P, Harris T, Marsh MM, Scott AJ, Cooper C. Prehospital continuous positive airway pressure for acute respiratory failure: the ACUTE feasibility RCT. Health Technol Assess 2021; 25:1-92. [PMID: 33538686 DOI: 10.3310/hta25070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Acute respiratory failure is a life-threatening emergency. Standard prehospital management involves controlled oxygen therapy. Continuous positive airway pressure is a potentially beneficial alternative treatment; however, it is uncertain whether or not this treatment could improve outcomes in NHS ambulance services. OBJECTIVES To assess the feasibility of a large-scale pragmatic trial and to update an existing economic model to determine cost-effectiveness and the value of further research. DESIGN (1) An open-label, individual patient randomised controlled external pilot trial. (2) Cost-effectiveness and value-of-information analyses, updating an existing economic model. (3) Ancillary substudies, comprising an acute respiratory failure incidence study, an acute respiratory failure diagnostic agreement study, clinicians perceptions of a continuous positive airway pressure mixed-methods study and an investigation of allocation concealment. SETTING Four West Midlands Ambulance Service hubs, recruiting between August 2017 and July 2018. PARTICIPANTS Adults with respiratory distress and peripheral oxygen saturations below the British Thoracic Society's target levels were included. Patients with limited potential to benefit from, or with contraindications to, continuous positive airway pressure were excluded. INTERVENTIONS Prehospital continuous positive airway pressure (O-Two system, O-Two Medical Technologies Inc., Brampton, ON, Canada) was compared with standard oxygen therapy, titrated to the British Thoracic Society's peripheral oxygen saturation targets. Interventions were provided in identical sealed boxes. MAIN OUTCOME MEASURES Feasibility objectives estimated the incidence of eligible patients, the proportion recruited and allocated to treatment appropriately, adherence to allocated treatment, and retention and data completeness. The primary clinical end point was 30-day mortality. RESULTS Seventy-seven patients were enrolled (target 120 patients), including seven patients with a diagnosis for which continuous positive airway pressure could be ineffective or harmful. Continuous positive airway pressure was fully delivered to 74% of participants (target 75%). There were no major protocol violations/non-compliances. Full data were available for all key outcomes (target ≥ 90%). Thirty-day mortality was 27.3%. Of the 21 deceased participants, 14 (68%) either did not have a respiratory condition or had ceiling-of-treatment decision implemented that excluded hospital non-invasive ventilation and critical care. The base-case economic evaluation indicated that standard oxygen therapy was probably cost-effective (incremental cost-effectiveness ratio £5685 per quality-adjusted life-year), but there was considerable uncertainty (population expected value of perfect information of £16.5M). Expected value of partial perfect information analyses indicated that effectiveness of prehospital continuous positive airway pressure was the only important variable. The incidence rate of acute respiratory failure was 17.4 (95% confidence interval 16.3 to 18.5) per 100,000 persons per year. There was moderate agreement between the primary prehospital and final hospital diagnoses (Gwet's AC1 coefficient 0.56, 95% confidence interval 0.43 to 0.69). Lack of hospital awareness of the Ambulance continuous positive airway pressure (CPAP): Use, Treatment Effect and economics (ACUTE) trial, limited time to complete trial training and a desire to provide continuous positive airway pressure treatment were highlighted as key challenges by participating clinicians. LIMITATIONS During week 10 of recruitment, the continuous positive airway pressure arm equipment boxes developed a 'rattle'. After repackaging and redistribution, no further concerns were noted. A total of 41.4% of ambulance service clinicians not participating in the ACUTE trial indicated a difference between the control and the intervention arm trial boxes (115/278); of these clinician 70.4% correctly identified box contents. CONCLUSIONS Recruitment rate was below target and feasibility was not demonstrated. The economic evaluation results suggested that a definitive trial could represent value for money. However, limited compliance with continuous positive airway pressure and difficulty in identifying patients who could benefit from continuous positive airway pressure indicate that prehospital continuous positive airway pressure is unlikely to materially reduce mortality. FUTURE WORK A definitive clinical effectiveness trial of continuous positive airway pressure in the NHS is not recommended. TRIAL REGISTRATION Current Controlled Trials ISRCTN12048261. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 25, No. 7. See the NIHR Journals Library website for further project information.
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